ung dung phan mem geoslope de tinh on dinh cho dap dat bang
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MC LC GII THIU V TI................................................................................................... 2 NI DUNG TI........................................................................................................... 3 CHNG I : T VN .............................................................................................. 3
1.1. S cn thit ca ti .............................................................................................. 3 1.2. Mc tiu ca ti ................................................................................................... 5 1.3.Phng php nghin cu ca ti .......................................................................... 5 1.4. Phm vi nghin cu ca ti ................................................................................. 5
CHNG II: GII THIU V PHN MM GEO - SLOVE.......................................... 6 2.1 Gii thiu tng quan v STEEP................................................................................ 6
2.1.1 Gii thiu v m hnh v mi trng lm vic.................................................. 6 2.1.2 Kh nng ca STEEP......................................................................................... 6
2.2 Gii thiu tng quan v SLOVE............................................................................... 9 2.2.1 Gii thiu v m hnh v mi trng lm vic.................................................. 9 2.2.2 Kh nng ca SLOVE........................................................................................ 9 2.2.3. Phng php tnh ton n nh trong m hnh ................................................. 9
2.3. Cu trc m hnh.................................................................................................... 10 2.3.1. Khung giao din.............................................................................................. 10 2.3.2.Cu trc ca lnh DEFINE .............................................................................. 11
CHNG III: NG DNG M HNH TNH N NH CHO P T CA H EADIE............................................................................................................................... 13
3.1. Gii thiu v khu vc nghin cu.......................................................................... 13 3.1.1. V tr a l ca khu vc .................................................................................. 13 3.1.2 a hnh, a mo............................................................................................. 15 3.1.3 a cht cng trnh khu vc kho st............................................................... 15 3.1.4 a cht thy vn khu vc kho st ................................................................. 18 3.1.5 Thy vn khu vc kho st ............................................................................. 18 3.1.6. c im kh tng......................................................................................... 19
3.2.Nhp s liu ............................................................................................................ 21 3.2.1. Lp phm vi lm vic...................................................................................... 22 3.2.2. Lp t l .......................................................................................................... 22 3.2.3.Lp trc ............................................................................................................ 22 3.2.4. Nhp cc im................................................................................................. 23
3.3 Chy m hnh......................................................................................................... 24 3.1.1. Trng hp chng thm bng tng nghing + sn ph ................................ 24 3.1.2. Trng hp chng thm bng tng nghing + chn rng............................. 30 3.1.3. Trng hp chng thm bng tng li + chn rng ..................................... 34
3.4 Phn tch kt qu tnh thm..................................................................................... 37 3.5.Tnh n nh............................................................................................................ 38
3.5.1.Phng php tng nghing + sn ph ........................................................... 38 3.5.2.Phng php tng nghing + chn rng ........................................................ 41 3.5.3.Phng php tng li + chn rng................................................................. 42
KT LUN V KIN NGH .......................................................................................... 44 Kt lun......................................................................................................................... 44 Kin Ngh...................................................................................................................... 44
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GII THIU V TI 1.Tn ti: ng dng phn mm GeoSlove tnh n nh cho p t bng cc phng php khc nhau so snh tm ra phng php ti u nht
2.Mc tiu yu cu Nghin cu khoa hc
Mc tiu: - Nhm p ng yu cu o to, tng kh nng ng dng cc phn mm
hin i phc v qu trnh hc tp trong trng cng nh sau khi tt nghip ra trng.
- To cho sinh vin c k nng c bn v lm ti khoa hc - Pht huy c tnh sang to ca sinh vin Yu cu:
Yu cu sinh vin tp trung nghin cu l thuyt, hnh thnh phng php nghin cu tng hp vn dng cng ngh phn mm trong phm vi nghin cu gii quyt vn t ra.Sinh vin th hin thnh qu bng mt bn thuyt minh bo co v 45 n 60 bo co thuyt trnh bo v trc hi ng.
1. Gio vin hng dn:
- Th.S Nguyn Thanh Tuyn
-K.S. Triu nh Ngc
2. Sinh vin thc hin:
- Nguyn Th Hng
Lp S6_45N - Trng i Hc Thu Li C S II
3. Thi gian thc hin: 1.5 thng t 25/03/2008 n 10/05/20083
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NI DUNG TI
CHNG I : T VN 1.1. S cn thit ca ti
nc ta hu ht cc p ngn nc u lm bng vt liu l t ng cht. Khi mc nc h dng ln, h xung xung tht thng th s lm mt n nh mi p gy ra trt, ln, xi mn cc b Chnh v vy m vic tnh ton ch n nh cho p t l rt quan trng v cn thit.
Mt s nh chp s c trt
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Trong thc t thng gp cc loi p t trn nn thm nc, t nn v t p p cng gm nhiu lp khc nhau. Nhng bi ton thuc loi ny kh phc tp, v phi cp n mi trng nhiu lp v cc iu kin bin phc tp. Cc cch gii bi ton thm hc ch gn ng v n gin.
Ngay nay vi s pht trin mnh m ca cc phng php s v cng c my tnh ni chung c th gii c bi ton thm vi bin bt k cho bi ton phng v bi ton khng gian, thm n nh v khng n nh Chnh v th ti ng dng phn mm STEEP/W, SLOVE/W a vo tnh thm v tnh n nh cho p t EaDie. 1.2. Mc tiu ca ti
Nhm nng cao nng lc nghin cu khoa hc trong sinh vin to iu kin cho sinh vin c c hi tip cn cc vn khoa hc, bit vn dng, b sung, nng cao cc kin thc c hc trong nh trng.
Nhm ng dng phn mm vo vic tnh thm, tnh n nh cho p t mt cch nhanh chng v chnh xc. 1.3.Phng php nghin cu ca ti
Ln lt a ra 3 bin php chng thm hin nay cho p t nh l: tng nghing + sn ph, tng li + chn rng, tng nghing + chn rng. Tnh thm qua p t bng phng php phn t hu hn c kt hp s dng phn mm STEEP/W sau dung phn mm SLOVE/W tnh n nh cho p t t xc nh ra h s an ton v kim tra xem vi tr s p c n nh khng.
So snh, la chn trong s cc bin php mt bin php chng thm tt nht, an ton nht v kinh t nht 1.4. Phm vi nghin cu ca ti
Trong phm vi ca ti ny, chng ti ch tp trung nghin cu ng dng phn mm GEO - SLOVE tnh n nh cho p t khi c nhiu phng n chng thm khc nhau
Ch xt p t trn nn thm nc khi nn thm l hu hn.
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CHNG II: GII THIU V PHN MM GEO - SLOVE 2.1 Gii thiu tng quan v STEEP 2.1.1 Gii thiu v m hnh v mi trng lm vic
STEEP/W l mt trong 6 phn mm a k thut trong b GEO-SLOPE Officeb ca GEO-SLOPE International- Canada.
STEEP/W l phn mm giao din ha, 32 bt c th chy trong h iu hnh Win 95/98/NT/2000 v XP, dng m hnh ha chuyn ng ca nc v phn b p lc nc l rng trong mi trng t theo PTHH. 2.1.2 Kh nng ca STEEP
STEEP/W c th phn tch bi ton: dng thm c p, khng p, ngm do ma, thm t bn cha nc nh hng ti mc nc ngm, p lc nc l rng d v thm n nh v khng n nh.
STEEP/W ghp i vi SLOVE/W phn tch n nh mi dc trong iu kin c p lc nc l rng phc tp( khi h cha bt u dng hoc rt nc)
STEEP/W ghp i vi CTRAN/W phn tch lan truyn vt nhim trong t .
STEEP/W ghp i vi SIGMA/W gii quyt bi ton c kt thm Do c th p dng STEEP/W vo vic tnh ton- thit k cc cng trnh
xy dng, a k thut, khai thc m c lin quan. Ngoi ra, SEEP/W cn s dng hm thm, th hin mi quan h gia h s
thm v p lc nc l rng, hm lng cha nc th tch vi p lc nc l rng trong t.
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2.1.3. Phng php tnh ton thm trong m hnh 2.1.3.1. Mc ch v nhim v ca vic tnh ton thm
Mc ch : Cn phi tnh ton thm qua thn p, nn p lm c s tnh ton n nh mi, kt cu chng thm, kt cu cc b phn tiu nc hp l v kinh t nht.
Trong tnh ton thm, cn phi xc nh cc thng s ca dng thm thn p, nn p v b p sau y :
- Xc nh lu lng thm qua thn p v qua nn. Trn c s tm lng nc tn tht ca h do thm gy ra v c bin php phng chng thm thch hp.
- Xc nh v tr ng bo ha, t s tm c p lc thm dung trong tnh ton n nh ca mi p.
- Xc nh gradient thm ( hoc lu tc thm) ca dng chy trong thn p, nn p nht l ch dng thm thot ra h lu kim tra xi ngm, y tri t v xc nh kch thc cu to ca tng lc ngc. 2.1.3.2.Phng php tnh ton thm a. C s l lun ca STEEP/W
Dng thm trong t bo ha v khng bo ha tun theo nh lut thm Darcy
q = kj hoc c th vit di dng v = kj Trong : q = lu lng thm n v v = lu tc thm trung bnh k = h s thm j = gradient ca dng thm. Lu lng vo v ra khi phn t t bin thin theo m th tch Trng hp thm n nh Qvo Qra ==0
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b. Phng trnh thm Tnh ton thm theo phng php phn t hu hn da trn phn mm
SEEP/W ca hng GEO-SLOPE International Ltd ca Canada. Cc phng trnh c bn sau y c s dng tnh ton thm trong SEEP/W nh sau : Phng trnh vi phn tng qut
+ Trng hp dng n nh
tQ
yHk
yxHk
x yx =+
+
+ Trng hp dng khng n nh
tHmQ
yHk
yxHk
x wwyx =+
+
..
Trong : H = tng ct nc kx = h s thm theo phng x ky = h s thm theo phng y Q = lu lng bin p t cho phn t. q = lng cha nc th tch t = thi gian n = trng lng n v ca nc mw = h s gc ca ng cong lng cha nc vi p lc l rng. Ngoi ra, SEEP/W cn s dng hm thm, th hin mi quan h gia h s
thm v p lc nc l rng, hm lng cha nc th tch vi p lc nc l rng trong t. Lu lng thm qua p tnh gn ng theo cng thc sau : Q = q.Ltb 2.1.3.3. Trng hp tnh ton
Cc tnh ton v thm c tin hnh vi mc nc c trng thng v h lu sau y :
TH : thng lu l mc nc dng bnh thng l 448.60m, h lu l MNHLBT = 438.6m.
Cc h s thm ca cc lp t dng cho vic tnh ton thm ly nh sau : Lp t p p chnh thng lu k = 2,0x10-5 cm/s Lp t nn 1: k = 8,0x10-3 cm/s Lp t nn 2: k = 5,0x10-4 cm/s Lp t nn 3: k = 6,0x10-5 cm/s Lp t nn 4: k = 3,0x10-4 cm/s
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2.2 Gii thiu tng quan v SLOVE 2.2.1 Gii thiu v m hnh v mi trng lm vic
SLOVE/W l mt trong 6 phn mm a k thut trong b GEO-SLOPE Officeb ca GEO-SLOPE International- Canada.
SLOVE/W l phn mm giao din ha, 32 bt c th chy trong h iu hnh Win 95/98/NT/2000 v XP 2.2.2 Kh nng ca SLOVE
SLOVE/W phn tch n nh mi t theo phng php cn bng gii hn khi trong t bo ha v khng bo ha nh:
+ Mi dc ng nht, khng ng nht trn nn + Mi dc chu ti trng ngoi v c ct gia c + Tch hp vi STEEP/W phn tch n nh mi dc trong iu kin p lc
nc l rng phc tp + Tch hp vi SIGMA/W phn tch n nh theo phn t hu hn + Phn tch n nh mi dc theo xc xut
2.2.3. Phng php tnh ton n nh trong m hnh 2.2.3.1. .Mc ch v nhim v ca vic tnh tn nh
Xc nh h s n nh nh nht ca mi p, t chn h s mi, kch thc p hp l v k thut v thi cng. 2.2.3.2.Phng php tnh ton n nh
Phn mm SLOPE/W ca hng GEO-SLOPE International Ltd ca Canada cho php tnh ton theo rt nhiu phng php khc nhau nh phng php Morgenstern, PP GLE, PP BISHOP, JANBU, PP SNIP 2.06.05-84.. Trong cng trnh ny, tnh ton n nh mi p c la chn theo phng php GLE.
Phng php GLE + Ga thit: Dng mt hm ty xc nh phng ca tng lc gia cc
thi. Phn trm ca hm , , cn tha mn iu kin cn bng m men v cn bng lc c tnh bng cch m giao im trn ng quan h h s an ton.
S gi thit v xc nh h s an ton mt trt tr trn
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2.2.3.3. Trng hp tnh ton Tnh ton n nh mi p tin hnh i vi mt mt ct ngang ln nht
gia lng sng cho trng hp sau y : thng lu l mc nc dng bnh thng l 448.10m, h lu l
MNHLBT 438.6m Qua th nghim t p, t nn v kinh nghim p p, chn cc ch tiu
khng ct dng trong tnh ton n nh mi p theo bng sau : Thng s t dng trong phn tch n nh
Lp t Ch tiu khng ct Dung trng t p p C =3 T/m2, =25 o = 1.97 T/m3 t nn lp 1 C =2.4 T/m2, =23 = 1.82T/m3 t nn lp 2 C =2 T/m2, =15 o = 1.90T/m3 t nn lp 3 C =2.5 T/m2, =13 o = 1.99T/m3 t nn lp 4 C =2.3 T/m2, =14 o = 2.01T/m3 C =0 T/m2, =32 o = 2.5T/m3
2.3. Cu trc m hnh 2.3.1. Khung giao din
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2.3.2.Cu trc ca lnh DEFINE STEEP/W dng thanh v cc thanh cng c u khin: Thanh thc n bung ( Menu Bar): File, Edit, Set, View, KeyIn, Draw,
Sketch, Modify, Tool, Help; Thanh cng c( Tool bar) gm 5 loi: - Thanh cng c chnh ( Standard Toolbar): gm cc nt thao tc tp, in,
sao chp .
- Thanh cng c ch ( Mode Toolbar): Gm cc nt nhp cc ch thao tc hin th v son tho i tng vn bn v th.
- Thanh cng c xem u tin( View Prerences Toolbar): Gm nhng nt hin tt nhng u tin hin th
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Thanh cng c li( Gird Toolbar) :iu khin, hin th li
Thanh cng c Zoom: iu khin phng to thu nh
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CHNG III: NG DNG M HNH TNH N NH CHO P T CA H EADIE
3.1. Gii thiu v khu vc nghin cu Khu vc EaDie trc kia thuc phm vi hnh chnh x Krng Buk, huyn
Krng Pach, nay c tch ra thnh mt x mi, x V Bn. Nhng nm qua dn di c t do t cc tnh pha bc nh : H Bc, Lng Sn, Thanh Ha..., gm nhiu thnh phn khc nhau, di c t do n vng t mi ny lp nghip. Nhng do iu kin di c t do, khng c t chc qun l v h tr u t ban u ca Nh Nc, nn i sng ca ngi dn trong vng gp nhiu kh khn, thiu thn, pht sinh nhiu vn x hi phc tp. Trong ng ch l tnh trng bao chim t ai, khai thc ti nguyn ba bi, ph rng.
Cho n nay din tch canh tc t c 2438 ha, trong la 1658 ha, u ng sn cc loi 550 ha, cy cng nghip 310 ha. Canh tc cy hng nm ch yu da vo nc ma, ma kh ngun nc ly t sng Ea Krng Pach rt hn ch. c ti bng bm nh (cng sut t 10 n 12 CV).
Trn a bn khu vc nghin cu c 11.956 nhn khu . Ngi Kinh ngi dn tc sng xen k nhau , s h dn tc chim 1/3 trn tng s h ton x . Lao ng nng nghip chim 89 % , bnh qun t nng nghip 0,8 ha / h , ngun thu nhp ca ngi dn ch yu da vo ngh nng .Sn xut nng nghip theo phng thc qun canh qun c . Din tch canh tc tu thuc vo nc tri . Ma ma c nc th sn xut , ma kh th khng c nc ti .i sng kinh t ca ngi dn nhiu kh khn, sn xut nng nghip ph thuc
t nng nghip hin nay ch lm c mt v vi nng sut thp , vic lm khng n nh d sinh ra ph rng v cc tn ti x hi khc
gii quyt cn bn nhng kh khn trn cn c bin php thy li to nn ngun nc ti n nh cho pht trin nng nghip n nh lng thc, khai thc tim nng t ai thch hp vi cy trng la, mu , c ph. Tng thu nhp , nng cao i sng nng dn trn khu vc d n tin n gim h i ngho xung 5% theo mc tiu ra
Qua phn tch, nh gi cc phng n ra th phng php kh thi nht l xy dng h cha vi cng trnh u mi l p t EaDie, trn x l, h thng knh chnh 3.1.1. V tr a l ca khu vc
Cng trnh h cha nc EaDie thuc huyn Krng Pach, cch Th x Bun Ma Thut khong 60 km v pha ng l khu vc vng ni Ty Nguyn cao vng d n 430 460m. D n nm pha ng ng 495 (ng trc chnh x ).
- Pha Bc gip x Ea Kly - Pha ng gip huyn E Eka - Pha Nam gip sui,rng
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- Pha ty gip Ho Phong , K rng Bng V tr cng trnh u mi d kin khong 11o39 V Bc v
108o27 Kinh ng
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3.1.2 a hnh, a mo Khu vc nghin cu c c im vng Ty Nguyn gm nhiu i p bt
cao khong 450m thp dn t Bc xung Nam, t ng sang Ty, thp dn v pha sng Krng Pach. 3.1.3 a cht cng trnh khu vc kho st a) Vng h
Bao quanh vng h l a hnh i bt p vi dc rt thoi. Tng ph l t st nh - st c ngun gc ch yu l Aluvi, Eluvi, Deluvi.Cc loi t ny c tnh thm nh v vy theo nh gi th lng nc thm t h chnh ra cc thung lng k cn khng ng k. Cc hin tng ti to b h kh c kh nng xy ra. b) Tuyn p
Tuyn p ct qua cc lp t khc nhau nh: + Lp 1a: st nng st mu vng, xm vng. Trng thi do cng na cng, kt
cu cht va. Lp ny ch gp VB2, 4 v 5 vi b dy thay i 1.6 2.1m. Kt qu th nghim thm cho thy lp c h s thm K = 6.2x10-5 3.1x10-4cm/s.
+ Lp 1b: st nh ct mu xm vng, xm xanh, vng nht, hng nht. Trong
tng i ch c cha mt t sn si nh thch anh. Kt cu km cht. Lp ny ch gp VB2, 4 v 5 vi b dy thay i 3.2 3.7m. Kt qu th nghim thm cho thy lp c h s thm K = 4.3x10-3 5.7x10-3cm/s.
+ Lp 1: st nh trung mu xm en, xm vng, vng nht. Kt cu km cht.
Lp ny phn b trn mt, c mt phn ln dc tuyn vi b dy thay i 0.2 1.3m. Kt qu th nghim thm cho thy lp c h s thm K = 6.8x10-4 8.0x10-3cm/s.
+ Lp 2: st nng trung, mt s v tr trong tng l st mu xm vng nht, vng
nht loang l xm trng. Trong tng i ch c cha mt t sn si nh vn kt. Trng thi na cng cng, kt cu cht va. Lp ny ch phn b ch yu mt pha vai p vi b dy thay i 0.6 3.2m. Kt qu th nghim thm cho thy lp c h s thm K = 5.5x10-5 7.8x10-4cm/s.
+ Lp 2a: Hn hp st v sn si, dm sn laterit mu nu , xm vng, m trng,
i ch trong tng gp khi tng laterit. Trng thi cng, kt cu cht. Lp 2a phn b cc b dc tuyn vi b dy thay i 0.2 0.8m. Lp ny c tnh thm ln, ti l khoan 1 mt nc hon ton khi khoan vo tng ny.
+ Lp 3:
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St st nng mu xm vng, nu loang l m trng xanh. Trong tng i ch c cha sn si vn kt cng chc. Trng thi na cng cng, kt cu cht va. Lp ny c mt phn ln dc tuyn vi b dy thay i 0.2 3.2m. Kt qu th nghim thm cho thy lp c h s thm K = 1.6x10-6 6.7x10-5cm/s.
+ Lp 4: Tn tch ct bt kt: st nng st, mt s v tr trong tng st trung
mu xm vng nht, xm trng, xm xanh nht. Trong tng i ch c cha nhiu dm vn b ct bt kt, hm lng dm tng dn theo chiu su ca tng, mt s v tr l hn hp st v dm mm yu ct bt kt. Trng thi na cng cng, kt cu cht va. Lp 4 c mt dc tuyn kho st vi b dy thay i 0.8 3.5m. Kt qu th nghim thm cho thy lp c h s thm K = 4.9x10-5 2.4x10-4cm/s.
+ Lp 5: ct bt kt phong ha mnh rt mnh mu xm vng, xm xanh nht,
xm xanh en, xm en. Trong tng i ch v ang phong ha thnh st cha dm sn. nt n mnh, trong tng c nhiu h thng khe nt khc nhau, mt khe nt g gh, chiu rng khe nt 0.5 1.0mm, mt s khe nt rng 2.0 - 4.0mm, cc khe nt c lp nht mt phn bi oxt st, canxt v cc mch thch anh. Nn khoan a phn v vn, t thi ngn, mm yu. B dy lp thay i 0.4 7.7m. Lp c tnh thm trung bnh, theo kt qu th nghim p nc ti thc a th lp c q = 0.37l/p/m.
+ Lp 6: ct bt kt phong ha va mu xm trng, xm xanh, m nu vng,
xanh en, xm en. nt n va - mnh, mt khe nt g gh, chiu rng khe nt 0.5-4.0mm, cc khe nt c lp nht mt phn bi oxyt st, canxit v thch anh, khe nt h l ch yu. Nn khoan thnh dm cc, thi ngn. B dy lp thay i 1.6 5.7m.
+ Lp 7: ct bt kt phong ha nh ti mu xm trng, xm xanh, m nu
vng, xm xanh en, xm en. t nt n, tuy nhin trong tng mt s v tr c nt n va, cc khe nt kn, c trm oxyt st, canxit v thch anh, mt s khe nt h. Nn khoan a phn thnh thi di, t v vn thnh dm cc. B dy lp cha xc nh, khoan vo 3.5 9.0m.
Bng 1: Ga tr th nghim trung bnh cc lp t Cc thng s Lp 1a Lp 1b Lp 1 Lp 2
Phn tch thnh phn ht: St % 29 13 15 25 Bi % 21 7 11 13 Ct % 50 79 74 61 Si, sn % 1 1
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Cui % ATTERBERG LIMITS: Gii hn chy Wt% 35 26 25 31 Gii hn ln Wp % 19 15 13 17 Ch s do Wn % 16 11 12 14 st B 0.23 0.17 0.18 -0.09 m t nhin W% 22.6 16.9 15.2 15.8 Dung trng t w T/m3 1.85 2.04 1.82 1.90 Dung trng kh k T/m3 1.51 1.75 1.58 1.64 T trng 2.66 2.68 2.68 2.67 k h n% 43.2 34.7 41.0 38.6 T l k h eo 0.761 0.531 0.695 0.629 bo ha G% 79.0 85.3 58.6 67.1 Lc dnh kt c kg/cm2 0.29 0.09 0.15 0.26 Gc ni ma st o 13017 25030 20054 16023 H s nn ln a0-0.5(cm2/kg) 0.050 0.039 0.045 0.072 Moun TBD. E0-0.5(kg/cm2) 16.72 19.11 18.67 11.62 H s thm K cm/s 1.9x10-4 5.1x10-3 3.3x10-3 4.0x10-4
Bng 1: Ga tr th nghim trung bnh cc lp t Cc thng s Lp 2a Lp 3 Lp 4
Phn tch thnh phn ht: St % 14 40 27 Bi % 8 16 16 Ct % 31 44 55 Si, sn % 43 2 Cui % 4 ATTERBERG LIMITS: Gii hn chy Wt% 43 35 Gii hn ln Wp % 23 19 Ch s do Wn % 20 16 st B -0.05 -0.04 m t nhin W% 18.8 22.1 18.4 Dung trng t w T/m3 2.11 1.99 2.01 Dung trng kh k T/m3 1.78 1.63 1.70 T trng 2.83 2.72 2.71 k h n% 37.1 40.1 37.3 T l k h eo 0.590 0.669 0.595 bo ha G% 90.2 89.9 83.8 Lc dnh kt c kg/cm2 0.31 0.27
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Gc ni ma st o 15029 16010 H s nn ln a0-0.5(cm2/kg) 0.036 0.048 Moun TBD. E0-0.5(kg/cm2) 18.28 16.75 H s thm K cm/s 4.4x10-5 8.7x10-5
3.1.4 a cht thy vn khu vc kho st 3.1.4.1. Nc mt
Mng sng sui trong khu vc phn ln ch yu chy theo hng Bc - Nam v hng Ty Bc ng Nam. y v ma kh hu nh cc nhnh sui u kh. 3.1.4.2. Nc ngm
Nc ngm ch yu c tng tr trong lp 1b, trong tng ct cui si lng sng, trong lp tn tch ct bt kt c thnh phn st nh ct, trong cc khe nt v i nt n ca ct bt kt. Lp 1b c h c h s thm thay i t 4.0x10-3 ~ 5.7x10-3 cm/s. Cao trnh n nh ca mc nc ngm ph thuc theo ma. Trong qu trnh kho st thi tit rt nng v kh, tuy nhin ti mt s h o ca dn thy mc nc xut hin nng.
Nhn chung mc nc ngm hon ton ph thuc vo iu kin a hnh tng ni, xu hng chung l thp dn v pha mng sng sui v thp dn t thng lu xung h lu.
Trong khu vc nc ngm v nc mt c quan h trc tip vi nhau v thng xuyn b xung, h tr cho nhau theo ma. 3.1.4.3. Kin to v ng t
Khu vc nghin cu nm phn ng Bc i Lt. i ny l mt khi v lc a Tin Cambri b st ln trong Jura sm gia v phn ln din tch b hot ha magma kin to mnh m trong Mesozoi mun v Kainozoi.
Theo t Bn Kh c s hiu D 49 XXXI do Cc a cht v Khong sn Vit Nam xut bn ti H Ni nm 1998 th trong khu vc c hai t gy; mt t gy chy theo hng ng Bc Ty Nam v mt t gy chy theo phng kinh tuyn. Tuy nhin trong qu trnh kho st chng ti cha pht hin c du hiu no ca t gy. V mt ng t, theo cc ti liu cho thy cng trnh nm trong vng c kh nng xy ra ng t n cp VII, do cn phi c cc bin php khng chn khi thit k cng trnh. 3.1.5 Thy vn khu vc kho st
Sui Ea Di thuc loi lu vc nh ca vng Ty Nguyn, tuy nhin hng nm lng nc tng i di do do nm vng c lng ma trung bnh t 1800 n 2000mm; mt khc Sui Ea Di c v tr thun li cho khai thc ngun nc
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Cc thng s lu vc Ea Di Gi tr Thng s n v
Tuyn 1 Tuyn 2 Din tch lu vc km2 13.75 15.34 di sng chnh Km 4.43 4.93 Tng di sng nhnh Km 5.97 7.97 Mt li sng (sui) km/km2 0.756 0.841 rng bnh qun lu vc Km 3.104 3.112 dc bnh qun lu vc %o 65.17 62.68 dc lng sng chnh %o 1.92 1.60
3.1.6. c im kh tng Kh hu khu vc Tnh akLak ni chung v khu vc V Bn ni ring l
kh hu nhit i gi ma, mang hnh thi cao nguyn. Trong nm phn ha r rt thnh ma kh v ma ma. akLak c lng ma c nm kh di do song do phn b rt khng u trong nm, ch tp trung vo cc thng ma ma (thng V n thng X) nn thc t ma kh l thiu nc sinh hot v ti cho cy trng, c bit lm cho kh hu tr nn khc nghit, thi tit rt nng v kh 3.1.6.1.Nhit khng kh
Nhit nm bnh qun l Ttb = 23.7oC. Tr s ny kh n nh trong lit thng k nhiu nm( dao ng khong 3 4oC). Nhng s bin ng trong ngy kh su sc (8 10oC). Nhit cc tr T max=39.4oC( nm 1937) v gi tr thp cc tr T min = 7.4oC( nm 1955)
c im ng lu l nu xt trong thi gian di nh gia cc thng trong nm th nhit bnh qun kh n nh; song nu xt trong thi on ngn nh trong 1 ngy m th nhit li dao ng vi bin kh ln, ti 8 10oC. 3.1.6.2. m khng kh
S dao ng ca c trng ny thch ng vi bin trnh ma trong nm. Ma ma m ln v ngc li vo ma kh. m bnh qun nhiu nm Ubq= 81.5%. m thp nht tuyt i Umin = 11% o c thng III nm 1930. 3.1.6.3. Gi gn mt t
Gi ma ma ng: Trong cc thng t 11 n thng 4, hng gi thnh hnh l hng ng v ng Bc. Tc gi trung bnh 4.77m/s ti Bun Ma Thut v 1.78 m/s ti MDrak. y l hu qu s xm ln ca khi khng kh cc i lc a Chu , c c im l kh hanh v lnh.
Gi ma ma H: Hng gi thnh hnh trong cc thng 5 n thng 10 l hng Ty. Tc gi trung bnh trong ma l 2.92 m/s ti Bun Ma Thut v 1.93m/s ti MDrak. y l ma ma, ging t v hot ng ca di hi t nhit i nn thng c gi mnh.
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Xt trong c nm, hng gi thnh hnh l hng ng v Ty , tc gi bnh qun l 3.8m/s ti BMT v 1.86 m/s ti MDrak. 3.1.6.4. Bc hi
Lng bc hi trung bnh nm quan trc c l 1180mm ti BMT v 1240mm ti MDrak. Tuy nhin phn phi lng bc hi trong nm gia 2 v tr c s khc bit nhau 3.1.6.5. Nng
Khu vc nghin c c s gio nng vo loi trung bnh ca Min ng Nam B.Tr s bnh qun nm t 6.6 gi/ngy 3.1.6.6. Ma nm
Qua s liu nhiu nm ca 2 trm Krng Kmar v MDrak cho thy vng KRng Pk c din bin ma theo khng gian v thi gian kh phc tp. KRng Kmar ma ma bt u v kt thc kh u n hng nm v ko di 6-7 thng: bt u thng V (hoc VI) v kt thc thng XI. Cn MDrak ma ma ngn (4-5 thng) v chm hn: thng bt u khng ng nht qua cc nm v thng thng VIII, IX mi thc s vo ma ma, n thng XII mi kt thc ma ma (c nm kt thc sm vo thng XI).
Trong nm, lng ma tuy kh di do, song phn b khng u, lng ma tp trung ch yu vo cc thng ma ma, chim t l 89% (KRng Kmar) tng lng ma nm. Thng ma nhiu nht l IX, X. Ma kh, ma t nht vo thng I, II, III, lng ma ch trn di 30mm.
Bng 1 -1 c trng kh tng vng nghin cu
Thng Nhit (toC)
m(%)
Tc gi(m/s)
Gi chiu sng( h/ngy)
Bc hi(mm) Ma(mm)
1 21.1 77.9 5.4 7.6 127 3.9 2 22.3 74.0 5.4 8.5 154 3.7 3 24.5 71.3 4.5 8.4 183 19.5 4 25.7 72.9 3.6 8.4 162 84.4 5 25.3 80.9 3.2 6.9 93 229 6 24.5 85.2 2.9 6.2 63 247 7 24.0 87.0 3.0 5.5 55.8 252 8 23.0 87.5 2.9 5.2 52.7 310 9 23.6 88.1 2.7 5.1 45.0 282 10 23.1 87.1 3.4 5.5 65.1 210 11 22.2 84.7 4.4 6.0 81 83.4 12 20.0 81.8 5.2 6.3 96.1 25.7
TBnm 23.3 81.5 3.9 2409 1178.4 1750.6
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3.2.Nhp s liu - Cao trnh y tng thm l 423.3m - Chiu dy tng thm l T = 12m - Cao trnh y p l 436.3m - Cao trnh nh p l 451.5m - Cao trnh nh lng tr l 440m - Cao trnh MNDBT = 448.6m - Cao trnh MNHL l 438.6m - Chiu di trc p l L1=50m - Chiu di sau p l L2=40m - Chiu rng nh lng tr l b =3m - Chiu rng nh p l B = 5m - H s mi thng lu l m1=3.5 - H s mi h lu l m2 = 3 - H s mi thng lu lng tr l m1=1.5 - H s mi h lu l m2 = 2 - H s thm ca t p p l K = 2 510 cm/s
Lp t nn 1: k = 8,0x10-3 cm/s Lp t nn 2: k = 5,0x10-4 cm/s Lp t nn 3: k = 6,0x10-5 cm/s Lp t nn 4: k = 3,0x10-4 cm/s
Chiu dy mi lp nn l t = 3m - H s thm ca vt liu chng thm bng t st K = 2 710 cm/s - Chiu dy tng nghing + sn ph l t=1m - Chiu dy tng nghing + chn rng l 1m, 3m, 2m. - Chiu dy tng li + chn rng l 1m, 3m, 2m. - Chiu di sn ph l L = L1=50m.
Thng s t dng trong phn tch n nh Lp t Ch tiu khng ct Dung trng t p p C =3 T/m2, =25 o = 1.97 T/m3 t nn lp 1 C =0.4 T/m2, =23 o = 1.82T/m3 t nn lp 2 C =2 T/m2, =15 o = 1.90T/m3 t nn lp 3 C =2.5 T/m2, =13 o = 1.99T/m3 t nn lp 4 C =2.3 T/m2, = 14 o = 2.01T/m3 C =0 T/m2, = 32 o = 2.5T/m3
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3.2.1. Lp phm vi lm vic
Vo set/page, chn kh giy A4 v nhp cc gi tr nh trong hnh
3.2.2. Lp t l
Vo set/scale v nhp s liu nh trong bng
3.2.3.Lp trc
Vo set/Axes
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3.2.4. Nhp cc im
KeyIn/point
Khi nhp xong tng im phi chn copy v mun hin im th phi nhn
apply Sau khi nhp xong dung lnh Sketch/lines phc ha p Dng lnh Sketch/Text ghi ch
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12 3
4 5
6 7
89 1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8 1 9
2 02 1 M N H L
m1=
3.5
M N D B T
m2=
3
m'1
=1.5
m'2
=2
K h o a n g c a c h ( m )0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 1 1 0 1 2 0 1 3 0 1 4 0 1 5 0 1 6 0 1 7 0 1 8 0 1 9 0 2 0 0 2 1 0
Cao
do(
m)
4 2 0
4 2 5
4 3 0
4 3 5
4 4 0
4 4 5
4 5 0
4 5 5
3.3 Chy m hnh 3.1.1. Trng hp chng thm bng tng nghing + sn ph
S :
1
2 3
4 5
6 7
89 1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8 1 9
2 02 1
2 2 2 3
2 4
M N H L
m1=
3.5
M N D B T
m2=
3
m'1
=1.5
m'2
=2
K h o a n g c a c h ( m )0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 1 1 0 1 2 0 1 3 0 1 4 0 1 5 0 1 6 0 1 7 0 1 8 0 1 9 0 2 0 0 2 1 0
Cao
do(
m)
4 2 0
4 2 5
4 3 0
4 3 5
4 4 0
4 4 5
4 5 0
4 5 5
4 6 0
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a.Xc nh hm thm cho tng lp nn v cho p, thit b thot nc, thit b chng thm
Vo KeyIn/hydraulic Funtion/ Hydraulic Conductivity t tn cho tng lp v nhp h s th
Chon view hin th hm thm
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Lm tng t cho cc vt liu tip theo Ring vt liu p th vo KeyIn/hydraulic Funtion/ Vol. Water Content
nhp h s rng n=0.35 sau mii vo KeyIn/hydraulic Funtion/ Hydraulic Conductivity v nhp ging trn cho ta hm thm l
b. Xc nh tnh cht vt liu
Vo KeyIn/Material Properties th t nhp cc s vo ring p th ct W.C.Fn nhp s 1
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Ta cc phn t hu hn: Vo Draw/Regions
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 0
3 1
3 2
3 3
3 4
3 5
3 6
3 7
3 8
3 9
4 0
4 1
4 2
4 3
4 4
4 5
4 6
4 7
4 8
4 9
5 0
5 1
5 2
5 3
5 4
5 5
5 6
5 7
5 8
5 9
6 0
6 1
6 2
6 3
6 4
6 5
6 6
6 7
6 8
6 9
7 0
7 1
7 2
7 3
7 4
7 5
7 6
7 7
7 8
7 9
8 0
8 1
8 2
8 3
8 4
8 5
8 6
8 7
8 8
8 9
9 0
9 1
9 2
9 3
9 4
9 5
9 6
9 7
9 8
9 9
1 0 0
1 0 1
1 0 2
1 0 3
1 0 4
1 0 5
1 0 6
1 0 7
1 0 8
1 0 9
1 1 0
1 1 1
1 1 2
1 1 3
1 1 4
1 1 5
1 1 6
1 1 7
1 1 8
1 1 9
1 2 0
1 2 1
1 2 2
1 2 3
1 2 4
1 2 5
1 2 6
1 2 7
1 2 8
1 2 9
1 3 0
1 3 1
1 3 2
1 3 3
1 3 4
1 3 5
1 3 6
1 3 7
1 3 8
1 3 9
1 4 0
1 4 1
1 4 2
1 4 3
1 4 4
1 4 5
1 4 6
1 4 7
1 4 8
1 4 9
1 5 0
1 5 1
1 5 2
1 5 3
1 5 4
1 5 5
1 5 6
1 5 7
1 5 8
1 5 9
1 6 0
1 6 1
1 6 2
1 6 3
1 6 4
1 6 5
1 6 6
1 6 7
1 6 8
1 6 9
1 7 0
1 7 1
1 7 2
1 7 3
1 7 4
1 7 5
1 7 6
1 7 7
1 7 8
1 7 9
1 8 0
1 8 1
1 8 2
1 8 3
1 8 4
1 8 5
1 8 6
1 8 7
1 8 8
1 8 9
1 9 0
1 9 1
1 9 2
1 9 31 9 4
1 9 5
1 9 6
1 9 71 9 8
1 9 9
2 0 0
2 0 1
2 0 2
2 0 3
2 0 4
2 0 5
2 0 6
2 0 72 0 8
2 0 92 1 0
2 1 1
2 1 2
2 1 32 1 4
2 1 52 1 6
2 1 72 1 82 1 92 2 02 2 12 2 22 2 32 2 42 2 52 2 6
2 2 72 2 82 2 9
2 3 0
2 3 12 3 2
2 3 3
2 3 42 3 5
2 3 6
2 3 7
2 3 8
2 3 9
2 4 0
2 4 1
2 4 2
2 4 3
2 4 4
2 4 5
2 4 62 4 7
2 4 82 4 9
2 5 02 5 1
2 5 2
2 5 3
2 5 4
2 5 5
2 5 6
2 5 7
2 5 8
2 5 9
2 6 0
2 6 1
2 6 2
2 6 3
2 6 4
2 6 5
2 6 6
2 6 7
2 6 8
2 6 9
2 7 0
2 7 1
2 7 2
2 7 3
2 7 4
2 7 5
2 7 6
2 7 7
2 7 8
2 7 9
2 8 0
2 8 1
2 8 2
2 8 3
2 8 4
2 8 5
2 8 6
2 8 7
2 8 8
2 8 9
2 9 0
2 9 1
1
2
3
4
5
6
71
2 3
4 5
6 7
89 1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8 1 9
2 02 1
2 2 2 3
2 4
2 5
M N H L
m1=
3.5
M N D B T
m2=
3
m'1
=1.5
m'2
=2
K h o a n g c a c h ( m )0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 1 1 0 1 2 0 1 3 0 1 4 0 1 5 0 1 6 0 1 7 0 1 8 0 1 9 0 2 0 0
Cao
do(m
)
4 2 0
4 2 5
4 3 0
4 3 5
4 4 0
4 4 5
4 5 0
4 5 5
Xc nh cc iu kin bin ca nt: chn Boundary Conditions t thc
n Draw + iu kin bin thng lu:
+ iu kin bin h lu:
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V cc mt ct thm: Vo Flux Section t thc n Draw
12
3
4
5
6
7
89
1 01 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 92 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 82 9
3 0
3 1
3 2
3 3
3 4
3 5
3 6
3 7
3 83 9
4 04 1
4 2
4 3
4 4
4 5
4 6
4 7
4 8
4 95 0
5 1
5 2
5 3
5 4
5 5
5 6
5 75 85 9
6 0
6 1
6 2
6 3
6 4
6 5
6 6
6 7
6 8
6 9
7 0
7 1
7 2
7 3
7 4
7 5
7 6
7 7
7 8
7 9
8 0
8 1
8 2
8 3
8 4
8 5
8 6
8 7
8 8
8 9
9 0
9 1
9 2
9 3
9 4
9 5
9 6
9 7
9 8
9 9
1 0 0
1 0 1
1 0 2
1 0 3
1 0 4
1 0 5
1 0 6
1 0 7
1 0 8
1 0 9
1 1 0
1 1 1
1 1 2
1 1 3
1 1 4
1 1 5
1 1 6
1 1 7
1 1 8
1 1 9
1 2 0
1 2 1
1 2 2
1 2 3
1 2 4
1 2 5
1 2 6
1 2 7
1 2 8
1 2 9
1 3 0
1 3 1
1 3 2
1 3 3
1 3 4
1 3 5
1 3 6
1 3 7
1 3 8
1 3 9
1 4 0
1 4 1
1 4 2
1 4 3
1 4 4
1 4 5
1 4 6
1 4 7
1 4 8
1 4 9
1 5 0
1 5 1
1 5 2
1 5 3
1 5 4
1 5 5
1 5 6
1 5 7
1 5 8
1 5 91 6 0
1 6 1
1 6 2
1 6 3
1 6 4
1 6 5
1 6 6
1 6 7
1 6 8
1 6 9
1 7 0
1 7 1
1 7 2
1 7 3
1 7 4
1 7 5
1 7 6
1 7 7
1 7 8
1 7 9
1 8 0
1 8 1
1 8 2
1 8 3
1 8 4
1 8 5
1 8 6
1 8 7
1 8 8
1 8 9
1 9 0
1 9 1
1 9 2
1 9 31 9 4
1 9 5
1 9 6
1 9 71 9 8
1 9 9
2 0 0
2 0 1
2 0 2
2 0 3
2 0 4
2 0 5
2 0 6
2 0 72 0 82 0 92 1 0
2 1 1
2 1 2
2 1 32 1 42 1 52 1 6
2 1 72 1 82 1 92 2 02 2 12 2 22 2 32 2 42 2 52 2 62 2 72 2 82 2 9
2 3 0
2 3 12 3 2
2 3 3
2 3 42 3 5
2 3 6
2 3 7
2 3 8
2 3 9
2 4 0
2 4 1
2 4 2
2 4 3
2 4 42 4 5
2 4 62 4 72 4 82 4 92 5 02 5 12 5 2
2 5 3
2 5 4
2 5 5
2 5 6
2 5 7
2 5 8
2 5 9
2 6 0
2 6 1
2 6 2
2 6 3
2 6 4
2 6 5
2 6 6
2 6 7
2 6 8
2 6 9
2 7 0
2 7 1
2 7 2
2 7 3
2 7 4
2 7 5
2 7 6
2 7 7
2 7 8
2 7 9
2 8 0
2 8 1
2 8 2
2 8 3
2 8 4
2 8 5
2 8 6
2 8 7
2 8 8
2 8 9
2 9 0
2 9 1
1
2
3
4
5
6
71
2 3
4 5
6 7
89 1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8 1 9
2 02 1
2 2 2 3
2 4
2 5
m1=
3.5
M N H L 4 3 8 . 6
m2=
3
m'1
=1.5
m'2
=2
C a o t r n h 4 5 1 . 5M N D B T 4 4 8 . 6
K h o a n g c a c h ( m )0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 1 1 0 1 2 0 1 3 0 1 4 0 1 5 0 1 6 0 1 7 0 1 8 0 1 9 0 2 0 0
Cao
do(
m)
4 2 0
4 2 5
4 3 0
4 3 5
4 4 0
4 4 5
4 5 0
4 5 5
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Cho chy kt qu ta c bng kt qu sau
S min thm
a t n e n 4
m1=
3.5
M N H L 4 3 8 . 6
m2=
3
m'1
=1.5
m'2
=2
C a o t r n h 4 5 1 . 5M N D B T 4 4 8 . 6
a t n e n 3
a t n e n 2
a t n e n 1
a p 0.5
3.5
1.8
5 83e
-00 6
1. 6
1 86e
-006
1 .8 3 25 e -0 0 6 1.2
4 02e
-008
1.8
318e
-00 6
Kt qu tnh ton thm cho p
Cc thng s v thm Gradient thm ln nht trong thn p Jthn 3.5 Gradient thm ln nht trong nn p Jnn 1 Gradient thm ln nht ti ca ra Jcara 0.5 Lu lng thm n v qua p & nn p q (m/s.m) 1.8583x10-6 Tng lu lng thm qua thn & nn p Q (m/ngym), L=752m 120.73
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3.1.2. Trng hp chng thm bng tng nghing + chn rng S
1
2 3
4 5
6 7
89 1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8 1 9
2 02 1
2 2
2 3
2 42 5
M N H L
m1=
3.5
M N D B T
m2=
3
m'1
=1.5
m'2
=2
K h o a n g c a c h ( m )0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 1 1 0 1 2 0 1 3 0 1 4 0 1 5 0 1 6 0 1 7 0 1 8 0 1 9 0 2
Cao
do(
m)
4 2 0
4 2 5
4 3 0
4 3 5
4 4 0
4 4 5
4 5 0
4 5 5
: a.Xc nh hm thm cho tng lp nn v cho p, thit b thot nc, thit b chng thm
Lm tng t cc bc trn Ta cc phn t hu hn: Vo Draw/Regions
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 0
3 1
3 2
3 3
3 4
3 5
3 6
3 7
3 8
3 9
4 0
4 1
4 2
4 3
4 4
4 5
4 6
4 7
4 8
4 9
5 0
5 1
5 2
5 3
5 4
5 5
5 6
5 7
5 8
5 9
6 0
6 1
6 2
6 3
6 4
6 5
6 6
6 7
6 8
6 9
7 0
7 1
7 2
7 3
7 4
7 5
7 6
7 7
7 8
7 9
8 0
8 1
8 2
8 3
8 4
8 5
8 6
8 7
8 8
8 9
9 0
9 1
9 2
9 3
9 4
9 5
9 6
9 7
9 8
9 9
1 0 0
1 0 1
1 0 2
1 0 3
1 0 4
1 0 5
1 0 6
1 0 7
1 0 8
1 0 9
1 1 0
1 1 1
1 1 2
1 1 3
1 1 4
1 1 5
1 1 6
1 1 7
1 1 8
1 1 9
1 2 0
1 2 1
1 2 2
1 2 3
1 2 4
1 2 5
1 2 6
1 2 7
1 2 8
1 2 9
1 3 0
1 3 1
1 3 2
1 3 3
1 3 4
1 3 5
1 3 6
1 3 7
1 3 8
1 3 9
1 4 0
1 4 1
1 4 2
1 4 3
1 4 4
1 4 5
1 4 6
1 4 7
1 4 8
1 4 9
1 5 0
1 5 1
1 5 2
1 5 3
1 5 4
1 5 5
1 5 6
1 5 7
1 5 8
1 5 9
1 6 0
1 6 1
1 6 2
1 6 3
1 6 4
1 6 5
1 6 6
1 6 7
1 6 8
1 6 9
1 7 0
1 7 1
1 7 2
1 7 3
1 7 4
1 7 5
1 7 6
1 7 7
1 7 8
1 7 9
1 8 0
1 8 1
1 8 2
1 8 3
1 8 4
1 8 5
1 8 6
1 8 7
1 8 8
1 8 9
1 9 0
1 9 1
1 9 2
1 9 3
1 9 4
1 9 5
1 9 6
1 9 7
1 9 8
1 9 9
2 0 0
2 0 1
2 0 2
2 0 3
2 0 4
2 0 5
2 0 6
2 0 7
2 0 8
2 0 9
2 1 0
2 1 1
2 1 2
2 1 3
2 1 4
2 1 5
2 1 6
2 1 7
2 1 8
2 1 9
2 2 0
2 2 1
2 2 2
2 2 3
2 2 4
2 2 5
2 2 6
2 2 7
2 2 8
2 2 9
2 3 0
2 3 1
2 3 2
2 3 3
2 3 42 3 5
2 3 6
2 3 7
2 3 8
2 3 9
2 4 0
2 4 1
2 4 2
2 4 3
2 4 4
2 4 5
2 4 6
2 4 7
2 4 8
2 4 9
2 5 0
2 5 12 5 2
2 5 3
2 5 4
2 5 5
2 5 6
2 5 7
2 5 8
2 5 9
2 6 0
2 6 1
2 6 2
2 6 3
2 6 4
2 6 52 6 6
2 6 72 6 8
2 6 9
2 7 02 7 1
2 7 2
2 7 32 7 42 7 5
2 7 6
2 7 7
2 7 8
2 7 9
2 8 0
2 8 1
2 8 2
2 8 32 8 42 8 52 8 62 8 7
2 8 8
2 8 92 9 02 9 12 9 2
2 9 3
2 9 4
2 9 5
2 9 62 9 7
2 9 8
2 9 9
3 0 03 0 13 0 2
3 0 3
3 0 4
3 0 5
3 0 6
3 0 7
3 0 8
3 0 9
3 1 0
3 1 13 1 2
3 1 3
3 1 4
3 1 5
3 1 6
3 1 7
3 1 8
3 1 9
3 2 0
3 2 1
3 2 2
3 2 3
3 2 4
3 2 5
3 2 6
3 2 7
3 2 8
3 2 9
3 3 0
3 3 1
3 3 2
3 3 3
3 3 4
3 3 5
3 3 6
3 3 7
3 3 8
3 3 9
3 4 0
3 4 1
3 4 2
3 4 3
3 4 4
3 4 5
3 4 6
3 4 7
3 4 8
3 4 9
3 5 0
3 5 1
3 5 2
3 5 3
3 5 4
3 5 5
3 5 6
3 5 7
3 5 8
3 5 9
3 6 0
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
C a o t r n h n h 4 5 1 . 5
m1=
3.5
M N H L 4 3 8 . 6
m2=
3
m'1
=1.5
m'2
=2
M N D B T 4 4 8 . 6
K h o a n g c a c h ( m )0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 1 1 0 1 2 0 1 3 0 1 4 0 1 5 0 1 6 0 1 7 0 1 8 0 1 9 0
Cao
do(
m)
4 2 0
4 2 5
4 3 0
4 3 5
4 4 0
4 4 5
4 5 0
4 5 5
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-
Xc nh cc iu kin bin ca nt: chn Boundary Conditions t thc n
Draw + iu kin bin thng lu:
+ iu kin bin h lu:
V cc mt ct thm: Vo Flux Section t thc n Draw
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-
12
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 0
3 1
3 2
3 3
3 4
3 5
3 6
3 7
3 8
3 9
4 0
4 1
4 2
4 3
4 4
4 5
4 6
4 7
4 8
4 9
5 0
5 1
5 2
5 3
5 4
5 5
5 6
5 7
5 8
5 9
6 0
6 1
6 2
6 3
6 4
6 5
6 6
6 7
6 8
6 9
7 0
7 1
7 2
7 3
7 4
7 5
7 6
7 7
7 8
7 9
8 0
8 1
8 2
8 3
8 4
8 5
8 6
8 7
8 8
8 9
9 0
9 1
9 2
9 3
9 4
9 5
9 6
9 7
9 8
9 9
1 0 0
1 0 1
1 0 2
1 0 3
1 0 4
1 0 5
1 0 6
1 0 7
1 0 8
1 0 9
1 1 0
1 1 1
1 1 2
1 1 3
1 1 4
1 1 5
1 1 6
1 1 7
1 1 8
1 1 9
1 2 0
1 2 1
1 2 2
1 2 3
1 2 4
1 2 5
1 2 6
1 2 7
1 2 8
1 2 9
1 3 0
1 3 1
1 3 2
1 3 3
1 3 4
1 3 5
1 3 6
1 3 7
1 3 8
1 3 9
1 4 0
1 4 1
1 4 2
1 4 3
1 4 4
1 4 5
1 4 6
1 4 7
1 4 8
1 4 9
1 5 0
1 5 1
1 5 2
1 5 3
1 5 4
1 5 5
1 5 6
1 5 7
1 5 8
1 5 9
1 6 0
1 6 1
1 6 2
1 6 3
1 6 4
1 6 5
1 6 6
1 6 7
1 6 8
1 6 9
1 7 0
1 7 1
1 7 2
1 7 3
1 7 4
1 7 5
1 7 6
1 7 7
1 7 8
1 7 9
1 8 0
1 8 1
1 8 2
1 8 3
1 8 4
1 8 5
1 8 6
1 8 7
1 8 8
1 8 9
1 9 0
1 9 1
1 9 2
1 9 3
1 9 4
1 9 5
1 9 6
1 9 7
1 9 8
1 9 9
2 0 0
2 0 1
2 0 2
2 0 3
2 0 4
2 0 5
2 0 6
2 0 7
2 0 8
2 0 9
2 1 0
2 1 1
2 1 2
2 1 3
2 1 4
2 1 5
2 1 6
2 1 7
2 1 8
2 1 9
2 2 0
2 2 1
2 2 2
2 2 3
2 2 4
2 2 5
2 2 6
2 2 7
2 2 8
2 2 9
2 3 0
2 3 1
2 3 2
2 3 3
2 3 42 3 5
2 3 6
2 3 7
2 3 8
2 3 9
2 4 0
2 4 1
2 4 2
2 4 3
2 4 4
2 4 5
2 4 6
2 4 7
2 4 8
2 4 9
2 5 0
2 5 12 5 2
2 5 3
2 5 4
2 5 5
2 5 6
2 5 7
2 5 8
2 5 9
2 6 0
2 6 1
2 6 2
2 6 3
2 6 4
2 6 52 6 6
2 6 72 6 8
2 6 9
2 7 02 7 1
2 7 2
2 7 32 7 42 7 5
2 7 6
2 7 7
2 7 8
2 7 9
2 8 0
2 8 1
2 8 2
2 8 32 8 42 8 52 8 62 8 7
2 8 8
2 8 92 9 02 9 12 9 2
2 9 3
2 9 4
2 9 5
2 9 62 9 7
2 9 8
2 9 9
3 0 03 0 13 0 2
3 0 3
3 0 4
3 0 5
3 0 6
3 0 7
3 0 8
3 0 9
3 1 0
3 1 13 1 2
3 1 3
3 1 4
3 1 5
3 1 6
3 1 7
3 1 8
3 1 9
3 2 0
3 2 1
3 2 2
3 2 3
3 2 4
3 2 5
3 2 6
3 2 7
3 2 8
3 2 9
3 3 0
3 3 1
3 3 2
3 3 3
3 3 4
3 3 5
3 3 6
3 3 7
3 3 8
3 3 9
3 4 0
3 4 1
3 4 2
3 4 3
3 4 4
3 4 5
3 4 6
3 4 7
3 4 8
3 4 9
3 5 0
3 5 1
3 5 2
3 5 3
3 5 4
3 5 5
3 5 6
3 5 7
3 5 8
3 5 9
3 6 0
C a o t r n h n h 4 5 1 . 5
m1=
3.5
M N H L 4 3 8 . 6
m2=
3
m'1
=1.5
m'2
=2
M N D B T 4 4 8 . 6
1. 1930 e-0 06
1.2 032 e-0 06
3. 96 0 9e -0 07
Cho chy kt qu ta c bng kt qu sau
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-
S min thm
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 0
3 1
3 2
3 3
3 4
3 5
3 6
3 7
3 8
3 9
4 0
4 1
4 2
4 3
4 4
4 5
4 6
4 7
4 8
4 9
5 0
5 1
5 2
5 3
5 4
5 5
5 6
5 7
5 8
5 9
6 0
6 1
6 2
6 3
6 4
6 5
6 6
6 7
6 8
6 9
7 0
7 1
7 2
7 3
7 4
7 5
7 6
7 7
7 8
7 9
8 0
8 1
8 2
8 3
8 4
8 5
8 6
8 7
8 8
8 9
9 0
9 1
9 2
9 3
9 4
9 5
9 6
9 7
9 8
9 9
1 0 0
1 0 1
1 0 2
1 0 3
1 0 4
1 0 5
1 0 6
1 0 7
1 0 8
1 0 9
1 1 0
1 1 1
1 1 2
1 1 3
1 1 4
1 1 5
1 1 6
1 1 7
1 1 8
1 1 9
1 2 0
1 2 1
1 2 2
1 2 3
1 2 4
1 2 5
1 2 6
1 2 7
1 2 8
1 2 9
1 3 0
1 3 1
1 3 2
1 3 3
1 3 4
1 3 5
1 3 6
1 3 7
1 3 8
1 3 9
1 4 0
1 4 1
1 4 2
1 4 3
1 4 4
1 4 5
1 4 6
1 4 7
1 4 8
1 4 9
1 5 0
1 5 1
1 5 2
1 5 3
1 5 4
1 5 5
1 5 6
1 5 7
1 5 8
1 5 9
1 6 0
1 6 1
1 6 2
1 6 3
1 6 4
1 6 5
1 6 6
1 6 7
1 6 8
1 6 9
1 7 0
1 7 1
1 7 2
1 7 3
1 7 4
1 7 5
1 7 6
1 7 7
1 7 8
1 7 9
1 8 0
1 8 1
1 8 2
1 8 3
1 8 4
1 8 5
1 8 6
1 8 7
1 8 8
1 8 9
1 9 0
1 9 1
1 9 2
1 9 3
1 9 4
1 9 5
1 9 6
1 9 7
1 9 8
1 9 9
2 0 0
2 0 1
2 0 2
2 0 3
2 0 4
2 0 5
2 0 6
2 0 7
2 0 8
2 0 9
2 1 0
2 1 1
2 1 2
2 1 3
2 1 4
2 1 5
2 1 6
2 1 7
2 1 8
2 1 9
2 2 0
2 2 1
2 2 2
2 2 3
2 2 4
2 2 5
2 2 6
2 2 7
2 2 8
2 2 9
2 3 0
2 3 1
2 3 2
2 3 3
2 3 42 3 5
2 3 6
2 3 7
2 3 8
2 3 9
2 4 0
2 4 1
2 4 2
2 4 3
2 4 4
2 4 5
2 4 6
2 4 7
2 4 8
2 4 9
2 5 0
2 5 12 5 2
2 5 3
2 5 4
2 5 5
2 5 6
2 5 7
2 5 8
2 5 9
2 6 0
2 6 1
2 6 2
2 6 3
2 6 4
2 6 52 6 6
2 6 72 6 8
2 6 9
2 7 02 7 1
2 7 2
2 7 32 7 42 7 5
2 7 6
2 7 7
2 7 8
2 7 9
2 8 0
2 8 1
2 8 2
2 8 32 8 42 8 52 8 62 8 7
2 8 8
2 8 92 9 02 9 12 9 2
2 9 3
2 9 4
2 9 5
2 9 62 9 7
2 9 8
2 9 9
3 0 03 0 13 0 2
3 0 3
3 0 4
3 0 5
3 0 6
3 0 7
3 0 8
3 0 9
3 1 0
3 1 13 1 2
3 1 3
3 1 4
3 1 5
3 1 6
3 1 7
3 1 8
3 1 9
3 2 0
3 2 1
3 2 2
3 2 3
3 2 4
3 2 5
3 2 6
3 2 7
3 2 8
3 2 9
3 3 0
3 3 1
3 3 2
3 3 3
3 3 4
3 3 5
3 3 6
3 3 7
3 3 8
3 3 9
3 4 0
3 4 1
3 4 2
3 4 3
3 4 4
3 4 5
3 4 6
3 4 7
3 4 8
3 4 9
3 5 0
3 5 1
3 5 2
3 5 3
3 5 4
3 5 5
3 5 6
3 5 7
3 5 8
3 5 9
3 6 0
C a o t r n h n h 4 5 1 . 5
m1=
3.5
M N H L 4 3 8 . 6
m2=
3
m'1
=1.5
m'2
=2
M N D B T 4 4 8 . 6
0.5
0.5
2
4
1.1930 e-0 06
1.2 032 e-0 06
3. 96 0 9e -0 07
Cho chy kt qu ta c bng kt qu sau: Kt qu tnh ton thm cho p
Cc thng s v thm Gradient thm ln nht trong thn p Jthn 4 Gradient thm ln nht trong nn p Jnn 2 Gradient thm ln nht ti ca ra Jcara 0.5 Lu lng thm n v qua p & nn p q (m/s.m) 1.2032x10-6 Tng lu lng thm qua thn & nn p Q (m/ngym), L=752m 78.17
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-
3.1.3. Trng hp chng thm bng tng li + chn rng
1
2 3
4 5
6 7
89 1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8 1 9
2 02 1
2 22 3
2 42 5
2 62 7
M N H L
m1=
3.5
M N D B T
m2=
3
m'1
=1.5
m'2
=2
K h o a n g c a c h ( m )0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 1 1 0 1 2 0 1 3 0 1 4 0 1 5 0 1 6 0 1 7 0 1 8 0 1 9 0 2 0 0
Cao
do(
m)
4 2 0
4 2 5
4 3 0
4 3 5
4 4 0
4 4 5
4 5 0
4 5 5
: a.Xc nh hm thm cho tng lp nn v cho p, thit b thot nc, thit b chng thm
Vo KeyIn/hydraulic Funtion/ Hydraulic Conductivity t tn cho tng lp v nhp h s thm
Ta cc phn t hu hn: Vo Draw/Regions
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 0
3 1
3 2
3 3
3 4
3 5
3 6
3 7
3 8
3 9
4 0
4 1
4 2
4 3
4 4
4 5
4 6
4 7
4 8
4 9
5 0
5 1
5 2
5 3
5 4
5 5
5 6
5 7
5 8
5 9
6 0
6 1
6 2
6 3
6 4
6 5
6 6
6 7
6 8
6 9
7 0
7 1
7 2
7 3
7 4
7 5
7 6
7 7
7 8
7 9
8 0
8 1
8 2
8 3
8 4
8 5
8 6
8 7
8 8
8 9
9 0
9 1
9 2
9 3
9 4
9 5
9 6
9 7
9 8
9 9
1 0 0
1 0 1
1 0 2
1 0 3
1 0 4
1 0 5
1 0 6
1 0 7
1 0 8
1 0 9
1 1 0
1 1 1
1 1 2
1 1 3
1 1 4
1 1 5
1 1 6
1 1 7
1 1 8
1 1 9
1 2 0
1 2 1
1 2 2
1 2 3
1 2 4
1 2 5
1 2 6
1 2 7
1 2 8
1 2 9
1 3 0
1 3 1
1 3 2
1 3 3
1 3 4
1 3 5
1 3 6
1 3 7
1 3 8
1 3 9
1 4 0
1 4 1
1 4 2
1 4 3
1 4 4
1 4 5
1 4 6
1 4 7
1 4 8
1 4 9
1 5 0
1 5 1
1 5 2
1 5 3
1 5 4
1 5 5
1 5 6
1 5 7
1 5 8
1 5 9
1 6 0
1 6 1
1 6 2
1 6 3
1 6 4
1 6 5
1 6 6
1 6 7
1 6 8
1 6 9
1 7 0
1 7 1
1 7 2
1 7 3
1 7 4
1 7 5
1 7 6
1 7 7
1 7 8
1 7 9
1 8 0
1 8 1
1 8 2
1 8 3
1 8 4
1 8 5
1 8 6
1 8 7
1 8 8
1 8 9
1 9 0
1 9 1
1 9 2
1 9 3
1 9 4
1 9 5
1 9 6
1 9 7
1 9 8
1 9 9
2 0 0
2 0 1
2 0 2
2 0 3
2 0 4
2 0 5
2 0 6
2 0 7
2 0 8
2 0 9
2 1 0
2 1 1
2 1 2
2 1 3
2 1 4
2 1 5
2 1 6
2 1 7
2 1 8
2 1 9
2 2 0
2 2 1
2 2 2
2 2 3
2 2 4
2 2 5
2 2 6
2 2 7
2 2 8
2 2 9
2 3 0
2 3 1
2 3 2
2 3 32 3 4
2 3 5
2 3 62 3 7
2 3 8
2 3 9
2 4 0
2 4 1
2 4 2
2 4 3
2 4 4
2 4 5
2 4 6
2 4 7
2 4 8
2 4 92 5 02 5 1
2 5 2
2 5 32 5 42 5 52 5 62 5 7
2 5 82 5 9
2 6 0
2 6 12 6 22 6 32 6 42 6 52 6 6
2 6 7
2 6 8
2 6 9
2 7 0
2 7 1
2 7 2
2 7 3
2 7 4
2 7 52 7 6
2 7 7
2 7 82 7 92 8 0
2 8 1
2 8 22 8 3
2 8 42 8 5
2 8 6
2 8 72 8 8
2 8 9
2 9 0
2 9 1
2 9 2
2 9 3
2 9 4
2 9 5
2 9 62 9 7
2 9 8
2 9 9
3 0 0
3 0 1
3 0 2
3 0 3
3 0 4
3 0 5
3 0 6
3 0 7
3 0 8
3 0 9
3 1 0
3 1 1
3 1 2
3 1 3
3 1 4
3 1 5
3 1 6
3 1 7
3 1 8
3 1 9
3 2 0
3 2 1
3 2 2
3 2 3
3 2 4
3 2 5
3 2 6
3 2 7
3 2 8
3 2 9
3 3 0
3 3 1
3 3 2
3 3 3
3 3 4
3 3 5
3 3 6
3 3 7
3 3 8
3 3 9
3 4 0
3 4 1
3 4 2
3 4 3
3 4 4
3 4 5
3 4 6
3 4 7
3 4 8
3 4 9
3 5 0
3 5 1
3 5 2
1
2
3 4
5
6
7
8
9
1 0
1 11 2
M N H L
m1=
3.5
M N H L 4 4 8 . 6
m2=
3
m'1
=1.5
m'2
=2
M N D B T 4 4 8 . 6 C a o t r n h n h 4 5 1 . 5
a t n e n 1
a t n e n 2
a t n e n 3
a t n e n 4
a t n e n 1
Khoang c ach( m)0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 1 1 0 1 2 0 1 3 0 1 4 0 1 5 0 1 6 0 1 7 0 1 8 0 1 9 0 2 0 0
Cao
do(
m)
4 2 0
4 2 5
4 3 0
4 3 5
4 4 0
4 4 5
4 5 0
4 5 5
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-
Xc nh cc iu kin bin ca nt: chn Boundary Conditions t thc n Draw
+ iu kin bin thng lu:
+ iu kin bin h lu:
www.tainguyennuoc.vn
-
V cc mt ct thm: Vo Flux Section t thc n Draw
M N H L
m1=
3.5
M N H L 4 4 8 . 6
m2=
3
m'1
=1.5
m'2
=2
M N D B T 4 4 8 . 6 C a o t r n h n h 4 5 1 . 5
a t n e n 1
a t n e n 2
a t n e n 3
a t n e n 4
a t n e n 1
2. 2
416e
-00 7
3.8
8 14 e
- 01 0
2.2
968e
-007
1.9
199 e
-007
Cho chy kt qu ta c bng kt qu sau:
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-
S min thm
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 0
3 1
3 2
3 3
3 4
3 5
3 6
3 7
3 8
3 9
4 0
4 1
4 2
4 3
4 4
4 5
4 6
4 7
4 8
4 9
5 0
5 1
5 2
5 3
5 4
5 5
5 6
5 7
5 8
5 9
6 0
6 1
6 2
6 3
6 4
6 5
6 6
6 7
6 8
6 9
7 0
7 1
7 2
7 3
7 4
7 5
7 6
7 7
7 8
7 9
8 0
8 1
8 2
8 3
8 4
8 5
8 6
8 7
8 8
8 9
9 0
9 1
9 2
9 3
9 4
9 5
9 6
9 7
9 8
9 9
1 0 0
1 0 1
1 0 2
1 0 3
1 0 4
1 0 5
1 0 6
1 0 7
1 0 8
1 0 9
1 1 0
1 1 1
1 1 2
1 1 3
1 1 4
1 1 5
1 1 6
1 1 7
1 1 8
1 1 9
1 2 0
1 2 1
1 2 2
1 2 3
1 2 4
1 2 5
1 2 6
1 2 7
1 2 8
1 2 9
1 3 0
1 3 1
1 3 2
1 3 3
1 3 4
1 3 5
1 3 6
1 3 7
1 3 8
1 3 9
1 4 0
1 4 1
1 4 2
1 4 3
1 4 4
1 4 5
1 4 6
1 4 7
1 4 8
1 4 9
1 5 0
1 5 1
1 5 2
1 5 3
1 5 4
1 5 5
1 5 6
1 5 7
1 5 8
1 5 9
1 6 0
1 6 1
1 6 2
1 6 3
1 6 4
1 6 5
1 6 6
1 6 7
1 6 8
1 6 9
1 7 0
1 7 1
1 7 2
1 7 3
1 7 4
1 7 5
1 7 6
1 7 7
1 7 8
1 7 9
1 8 0
1 8 1
1 8 2
1 8 3
1 8 4
1 8 5
1 8 6
1 8 7
1 8 8
1 8 9
1 9 0
1 9 1
1 9 2
1 9 3
1 9 4
1 9 5
1 9 6
1 9 7
1 9 8
1 9 9
2 0 0
2 0 12 0 22 0 32 0 42 0 52 0 62 0 7
2 0 8
2 0 9
2 1 0
2 1 1
2 1 2
2 1 3
2 1 4
2 1 5
2 1 6
2 1 72 1 8
2 1 9
2 2 02 2 12 2 22 2 32 2 4
2 2 5
2 2 6
2 2 7
2 2 8
2 2 9
2 3 0
2 3 1
2 3 2
2 3 32 3 4
2 3 5
2 3 62 3 72 3 8
2 3 9
2 4 0
2 4 1
2 4 2
2 4 3
2 4 4
2 4 5
2 4 6
2 4 7
2 4 8
2 4 92 5 02 5 1
2 5 2
2 5 32 5 42 5 52 5 6
2 5 7
2 5 82 5 9
2 6 0
2 6 12 6 22 6 32 6 42 6 52 6 6
2 6 7
2 6 8
2 6 9
2 7 0
2 7 1
2 7 2
2 7 3
2 7 4
2 7 52 7 62 7 7
2 7 82 7 92 8 0
2 8 1
2 8 22 8 3
2 8 42 8 5
2 8 6
2 8 72 8 8
2 8 9
2 9 0
2 9 1
2 9 2
2 9 3
2 9 4
2 9 5
2 9 62 9 7
2 9 8
2 9 9
3 0 0
3 0 1
3 0 2
3 0 3
3 0 4
3 0 5
3 0 6
3 0 7
3 0 8
3 0 9
3 1 0
3 1 1
3 1 2
3 1 3
3 1 4
3 1 5
3 1 6
3 1 7
3 1 8
3 1 9
3 2 0
3 2 1
3 2 2
3 2 3
3 2 4
3 2 5
3 2 6
3 2 7
3 2 8
3 2 9
3 3 0
3 3 1
3 3 2
3 3 3
3 3 4
3 3 5
3 3 6
3 3 7
3 3 8
3 3 9
3 4 0
3 4 1
3 4 2
3 4 3
3 4 4
3 4 5
3 4 6
3 4 7
3 4 8
3 4 9
3 5 0
3 5 1
3 5 2
M N H L
m1=
3.5
M N H L 4 4 8 . 6
m2=
3
m'1
=1.5
m'2
=2
M N D B T 4 4 8 . 6 C a o t r n h n h 4 5 1 . 5
0.2
2.4 2
.4
Kt qu tnh ton thm cho p
Cc thng s v thm Gradient thm ln nht trong thn p Jthn 2.4 Gradient thm ln nht trong nn p Jnn 2.4 Gradient thm ln nht ti ca ra Jcara 0.2 Lu lng thm n v qua p & nn p q (m/s.m) 2.2968x10-7 Tng lu lng thm qua thn & nn p Q (m/ngym), L=742m 16.53
3.4 Phn tch kt qu tnh thm Tham kho cc ti liu nh : S tay k thut thy li tp 3, Thy cng tp
II, Cm nang thy cng v mt s ti liu khc th gradient thm cho php i vi cng trnh cp IV, t p l st : [J] = 0,9.
m bo iu kin v thm Jtt < [J]. Trong mt s trng hp, Gradient thm ti v tr tip gip vi thit b tiu nc ln hn tr s cho php v vy cn phi thit k tng lc ngc ti cc v tr dng thm thot ra trnh s mt n nh v thm.
Cu to tng lc ngc theo nh tnh ton Gradient thm cho php i vi t dnh khi c tng lc ngc [JLN] = 3,7.
So snh 3 phng php chng thm trn cho thy c 3 phng php ng bo ha u h thp t ngt khi i qua vt liu chng thm.
+ PP 1 : lu lng n v ti mt ct ln nht xy xa ti im chnh gia ca thn p, tng lu lng thm trong 1 ngy m l ln (120.73 m/ngym), J max =3.5
-
+PP 2 : lu lng thm n v ti mt ct ln nht xy xa ti im chnh gia ca thn p, tng lu lng thm trong 1 ngy m l ln (78.17 m/ngym), J max =4 >[J] nn khng m bo iu kin chng thm.
+ PP3 th lu lng gi tr lu lng n v ln nht ti mt ct trc tng li + chn rng chng thm. Ga tr lu lng thm qua p trong 1 ngy m l nh nht = 16.53(m/ngym), tc thm ti thn p l ln nhng vn tha mn iu kin thm.
Kt lun : trong tt c 3 trng hp tnh ton th PP 3 c Jmax
-
V bn knh tm trut: vo Draw slip surface Radius
V li tm trt: vo Draw slip surface Gid
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Cho chy kt qu ta c bng kt qu sau:
1
2
3
4
5
6
7
12
3
4
5
6
7
8
9
1 01 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 92 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 82 9
3 0
3 1
3 2
3 3
3 4
3 5
3 6
3 7
3 83 9
4 04 1
4 2
4 3
4 4
4 5
4 6
4 7
4 8
4 95 0
5 1
5 2
5 3
5 4
5 5
5 6
5 75 85 9
6 0
6 1
6 2
6 3
6 4
6 5
6 6
6 7
6 8
6 9
7 0
7 1
7 2
7 3
7 4
7 5
7 6
7 7
7 8
7 9
8 0
8 1
8 2
8 3
8 4
8 5
8 6
8 7
8 8
8 9
9 0
9 1
9 2
9 3
9 4
9 5
9 6
9 7
9 8
9 9
1 0 0
1 0 1
1 0 2
1 0 3
1 0 4
1 0 5
1 0 6
1 0 7
1 0 8
1 0 9
1 1 0
1 1 1
1 1 2
1 1 3
1 1 4
1 1 5
1 1 6
1 1 7
1 1 8
1 1 9
1 2 0
1 2 1
1 2 2
1 2 3
1 2 4
1 2 5
1 2 6
1 2 7
1 2 8
1 2 9
1 3 0
1 3 1
1 3 2
1 3 3
1 3 4
1 3 5
1 3 6
1 3 7
1 3 8
1 3 9
1 4 0
1 4 1
1 4 2
1 4 3
1 4 4
1 4 5
1 4 6
1 4 7
1 4 8
1 4 9
1 5 0
1 5 1
1 5 2
1 5 3
1 5 4
1 5 5
1 5 6
1 5 7
1 5 8
1 5 91 6 0
1 6 1
1 6 2
1 6 3
1 6 4
1 6 5
1 6 6
1 6 7
1 6 8
1 6 9
1 7 0
1 7 1
1 7 2
1 7 3
1 7 4
1 7 5
1 7 6
1 7 7
1 7 8
1 7 9
1 8 0
1 8 1
1 8 2
1 8 3
1 8 4
1 8 5
1 8 6
1 8 7
1 8 8
1 8 9
1 9 0
1 9 1
1 9 2
1 9 31 9 4
1 9 5
1 9 6
1 9 71 9 8
1 9 9
2 0 0
2 0 1
2 0 2
2 0 3
2 0 4
2 0 5
2 0 6
2 0 72 0 82 0 92 1 0
2 1 1
2 1 2
2 1 32 1 42 1 52 1 6
2 1 72 1 82 1 92 2 02 2 12 2 22 2 32 2 42 2 52 2 62 2 72 2 82 2 9
2 3 0
2 3 12 3 2
2 3 3
2 3 42 3 5
2 3 6
2 3 7
2 3 8
2 3 9
2 4 0
2 4 1
2 4 2
2 4 3
2 4 42 4 5
2 4 62 4 72 4 82 4 92 5 02 5 12 5 2
2 5 3
2 5 4
2 5 5
2 5 6
2 5 7
2 5 8
2 5 9
2 6 0
2 6 1
2 6 2
2 6 3
2 6 4
2 6 5
2 6 6
2 6 7
2 6 8
2 6 9
2 7 0
2 7 1
2 7 2
2 7 3
2 7 4
2 7 5
2 7 6
2 7 7
2 7 8
2 7 9
2 8 0
2 8 1
2 8 2
2 8 3
2 8 4
2 8 5
2 8 6
2 8 7
2 8 8
2 8 9
2 9 0
2 9 1
1 . 2 3 1
a t n e n 4
m1=
3.5
M N H L 4 3 8 . 6
m2=
3
m'1=
1.5
m'2=
2
C a o t r n h 4 5 1 . 5M N D B T 4 4 8 . 6
a t n e n 3
a t n e n 2
a t n e n 1
a p
M a t t r t
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Kt qu tnh ton n nh mi p H s n nh mi h lu, Kh
H s n nh cho php [K]
1,231 1,15 3.5.2.Phng php tng nghing + chn rng
Lm tng t ta c kt qu sau
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12
3
4
5
6
7
8
9
1 0
1 1
1 2
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 0
3 1
3 2
3 3
3 4
3 5
3 6
3 7
3 8
3 9
4 0
4 1
4 2
4 3
4 4
4 5
4 6
4 7
4 8
4 9
5 0
5 1
5 2
5 3
5 4
5 5
5 6
5 7
5 8
5 9
6 0
6 1
6 2
6 3
6 4
6 5
6 6
6 7
6 8
6 9
7 0
7 1
7 2
7 3
7 4
7 5
7 6
7 7
7 8
7 9
8 0
8 1
8 2
8 3
8 4
8 5
8 6
8 7
8 8
8 9
9 0
9 1
9 2
9 3
9 4
9 5
9 6
9 7
9 8
9 9
1 0 0
1 0 1
1 0 2
1 0 3
1 0 4
1 0 5
1 0 6
1 0 7
1 0 8
1 0 9
1 1 0
1 1 1
1 1 2
1 1 3
1 1 4
1 1 5
1 1 6
1 1 7
1 1 8
1 1 9
1 2 0
1 2 1
1 2 2
1 2 3
1 2 4
1 2 5
1 2 6
1 2 7
1 2 8
1 2 9
1 3 0
1 3 1
1 3 2
1 3 3
1 3 4
1 3 5
1 3 6
1 3 7
1 3 8
1 3 9
1 4 0
1 4 1
1 4 2
1 4 3
1 4 4
1 4 5
1 4 6
1 4 7
1 4 8
1 4 9
1 5 0
1 5 1
1 5 2
1 5 3
1 5 4
1 5 5
1 5 6
1 5 7
1 5 8
1 5 9
1 6 0
1 6 1
1 6 2
1 6 3
1 6 4
1 6 5
1 6 6
1 6 7
1 6 8
1 6 9
1 7 0
1 7 1
1 7 2
1 7 3
1 7 4
1 7 5
1 7 6
1 7 7
1 7 8
1 7 9
1 8 0
1 8 1
1 8 2
1 8 3
1 8 4
1 8 5
1 8 6
1 8 7
1 8 8
1 8 9
1 9 0
1 9 1
1 9 2
1 9 3
1 9 4
1 9 5
1 9 6
1 9 7
1 9 8
1 9 9
2 0 0
2 0 1
2 0 2
2 0 3
2 0 4
2 0 5
2 0 6
2 0 7
2 0 8
2 0 9
2 1 0
2 1 1
2 1 2
2 1 3
2 1 4
2 1 5
2 1 6
2 1 7
2 1 8
2 1 9
2 2 0
2 2 1
2 2 2
2 2 3
2 2 4
2 2 5
2 2 6
2 2 7
2 2 8
2 2 9
2 3 0
2 3 1
2 3 2
2 3 3
2 3 42 3 5
2 3 6
2 3 7
2 3 8
2 3 9
2 4 0
2 4 1
2 4 2
2 4 3
2 4 4
2 4 5
2 4 6
2 4 7
2 4 8
2 4 9
2 5 0
2 5 12 5 2
2 5 3
2 5 4
2 5 5
2 5 6
2 5 7
2 5 8
2 5 9
2 6 0
2 6 1
2 6 2
2 6 3
2 6 4
2 6 52 6 6
2 6 72 6 8
2 6 9
2 7 02 7 1
2 7 2
2 7 32 7 42 7 5
2 7 6
2 7 7
2 7 8
2 7 9
2 8 0
2 8 1
2 8 2
2 8 32 8 42 8 52 8 62 8 7
2 8 8
2 8 92 9 02 9 12 9 2
2 9 3
2 9 4
2 9 5
2 9 62 9 7
2 9 8
2 9 9
3 0 03 0 13 0 2
3 0 3
3 0 4
3 0 5
3 0 6
3 0 7
3 0 8
3 0 9
3 1 0
3 1 13 1 2
3 1 3
3 1 4
3 1 5
3 1 6
3 1 7
3 1 8
3 1 9
3 2 0
3 2 1
3 2 2
3 2 3
3 2 4
3 2 5
3 2 6
3 2 7
3 2 8
3 2 9
3 3 0
3 3 1
3 3 2
3 3 3
3 3 4
3 3 5
3 3 6
3 3 7
3 3 8
3 3 9
3 4 0
3 4 1
3 4 2
3 4 3
3 4 4
3 4 5
3 4 6
3 4 7
3 4 8
3 4 9
3 5 0
3 5 1
3 5 2
3 5 3
3 5 4
3 5 5
3 5 6
3 5 7
3 5 8
3 5 9
3 6 0
1 . 2 9 3
C a o t r n h n h 4 5 1 .5
m1=
3.5
M N H L 4 3 8 .6
m2=
3
m'1
=1.5
m'2
=2
M N D B T 4 4 8 .6
Kt qu tnh ton n nh mi p H s n nh mi h lu, Kh
H s n nh cho php [K]
1,293 1,15 3.5.3.Phng php tng li + chn rng
Lm tng t ta c kt qu sau
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12
3 4
5
6
7
8
9
1 0
1 11 2
1 . 2 8 7
M N H L
m1=
3.5
M N H L 4 4 8 . 6
m2=
3
m'1=
1.5
m'2=
2
M N D B T 4 4 8 . 6 C a o t r n h n h 4 5 1 . 5
a t n e n 1
a t n e n 2
a t n e n 3
a t n e n 4
a t n e n 1
M a t t r t
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Kt qu tnh ton n nh mi p H s n nh mi h lu, Kh
H s n nh cho php [K]
1,287 1,15 t nn p gia lng sng l phong ha t mnh n va nn
vic chn c ch tiu khng ct tnh ton cho t nn hu nh khng nh hng ti n nh mi p do cc ch tiu ny tng i cao, cung trt khng ct qua nn.
H s n nh cho php [K] ly theo Quy phm thit k p t m nn. Kt lun : H s n nh K > [K] trong tt c cc trng hp tnh ton nn
mi p m bo iu kin n nh. Nh vy trng c 3 phng n so snh c v iu kin chng thm v iu
kin n nh th ta thy phng php chng thm bng tng nghing v sn ph l phng n tt nht v va m bo lu lng thm nh va m bo iu kin n nh mi h lu khng gy ra st l.
KT LUN V KIN NGH Kt lun
Qua cc kt qu nghin cu phn tch tnh ton, cho php ta rt ra cc kt lun c th sau khi s dng phn mm Geo - slove
u im : - S dng phn mm ny cho php ta kt qu nhanh, tnh c chnh
xc gi tr h s an ton nh nht ca cung trt trong khi nu lm bng tay phi mt rt nhiu thi gian thm ch cn tm khng ra.
- Cng mt lc tnh n nh cho nhiu phng n h s mi p h lu khc nhau hoc cc phng n chng thm khc nhau so snh kt qu
- a bi ton p t vi nhiu h s thm khc nhau v n gin Nhc im : - Kt qu tnh ton khng chnh xc m ch tng i
Kin Ngh ng dng ca GEO SLOVE l nhiu nhng thi gian c hn nn trong
ti ny em ch cp n vic tnh tnh thm v n nh cho p t trong trng hp a ra nhiu phng n chng thm khc nhau.
Do trnh v thi gian c hn nn trong ti khng th trnh khi nhng tn ti hn ch, em rt mong nhn c mi kin ng gp, trao i chn thnh ti c hon thin hn. Em cng mong mun nhng vn cn tn ti cha nghin cu s c pht trin mc nghin cu su hn.
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