បេតុងពង្រឹងដោយដែក 14 xiv-retaining-walls

8/11/2019 14 xiv-retaining-walls

1/31

T.Chhay NPIC

CBaaMgTb; 315

XIV. CBaaMgTb;Retaining Wall

1> esckIepIm IntroductionCBaaMgTb;CaeRKOgbg MEdlRtUv)aneRbIedIm,Ipl;lMnwgdl;dI bsMParepSgeTot nigedIm,IkarBarva

BICMralFm Catirbs;va. kgnyenH CBaaMgTb;rkSadIEdlmankMritkMBs;xusKaedaypTaMgBIrrbs;va. sMParEdlRtUv)anTb;enAnIv: Ux1

- Gravity walls CaTUeTArYmmanebtugsuT b\d edayGaRsyeTAelITMgn;pal;rbs;vaedIm,I pl;lMnwgRbqaMgkarrujnsMParEdlRtUvTb;. CBaaMgenHmanTMhMFMEdlkugRtaMgTajminekItmanenAk gebtug b\dbNalmkBIkMlaMgrujelICBaaMgeT. kMBs;sMrab;Gnuvtk ggravity walls minRtUvFMCagm3 .

- Semigravity walls Cagravity walls Edlman)atFMedIm,Ipl;lTPaBlMnwgrbs;CBaaMg nigedIm,IkarBarkarekIteLIgnkugRtaMgTajenAelI)at. brimaNEdkdtictYcRtUveRbIenAk g)at b enAk gCBaaMgenAeBlxH edIm,Ikat;bnymuxkat;dFMrbs;CBaaMg.

- Cantilever retaining wall CaCBaaMgebtugGarem:EdlCaTUeTARtUv)aneRbIEdlmankMBs;BI m4.2 eTAm6 . vaCaRbePTFm tabMputneRKagsMNg;Tb; edaysarlkNesdkic nig

lkNsamBarbs;va. CBaaMgcantilever retaining wall CaeRcInRbePTRtUv)anbgajk grUb14>1.

- Counterfort retaining walls mankMBs;x


2/31

Department of Civil Engineering viTasanCatiBhubeckeTskm1h .

- Buttressed retaining wall manTMrg;RsedogKanwgnounterfort wall Edrb: uEnkgkrNIenHCBaaMgTTwgmanTItaMgs itenAmuxmageTotEdleyIgemIleXIj ehIyCBaaMgTTwgenHmannaTIGgt;rgkarsgt; rUbTI 14>1i . CBaaMgEbbenHmanlkNesdkicenAeBlEdlvamankBs; x


3/31


4/31

Department of Civil Engineering viTasanCatiBhubeckeTskm@whC P p p = !$>#

Edl aC nig pC CaemKuNnsMBaFskm nigsMBaFGkm erogKa.

4> sMBaFdIGkm nigsMBaFdIskm Active and Passive Soil PressuresRTws IdsamBaCaeKBIrEdlRtUv)aneRbICaTUeTAk gkarKNnasMBaFdIKW Rankine nigCoulomb .

a. sMrab;viFIrbs; Rankine CBaaMgTb;RtUv)ansn t;fayield RKb;RKan;edIm,Ibeg ItnUvsanPaBlM nwg)asic enAk gdM udIenApCaBaaMg. dIEdlenAes menArkSak gsanPaBeGLasic. RTws IenHGnuvtCacMbgcMeBaHdIK anPaBs it (cohesiveless) / dIEdlminGacsgt;)an(incompressible) /dIEdlmanlkNsac;mYy (homogeneous) nigminKitnUvkMlaMgkkitrvagdI nigCBaaMg. sMBaFdIskm enACMerAh manGMeBIelICBaaMgTb;edayQrelIRTws IRankine RtUv)ankMNt;dUcxageRkam

+==

sin1sin1

whwhC P aa !$>$


5/31

T.Chhay NPIC

CBaaMgTb; 319

Edl

+=

sin1sin1

aC = mM ukkitkgrbs;dI tarag !$>!

sMBaFskm srub

+=

sin1sin1

2

2wh H a !$>%

tarag !$>! tM ln w ni g RbePTdIcakbMeBj TMgn maD 3/ mkg mMkkitkg

Soft clay 19201440 oo 150 Medium clay 19201600 oo 3015 Dry loose silt 19201600 oo 3027 Dry dense silt 19201760 oo 3530

Loose sand and gravel 21001600 oo 4030 Dense sand and gravel 21001920 oo 3525 Dry loose sand, graded 21001840 oo 3533 Dry dense sand, graded 21001920 oo 4642

kMlaMgpb a H GnuvtGMeBIenAkMBs; 3/h BI)at rUbTI !$>@. enAeBlEdldIrgbn kbEnmedaymMu Edlp MCamYyGkSedk enaH


6/31

Department of Civil Engineering viTasanCatiBhubeckeTskm^

whC P aa = nig 22

whC H aa = kMlaMgpb a H eFV IGMeBIenAkMBs;3/h nigeRTtedaymMu eTAnwgbnat;edk rUbTI 14>3. tM l aC EdlsMEdgedaysmIkar !$>^ sMrab;tMlepSgn nig RtUv)anbgajenAk gtarag !$>@.

tarag !$>@ tM lrbs; aC mMkkitkg

o28 o30 o32 o34 o36 o38 o40 o0 361.0 333.0 307.0 283.0 260.0 238.0 217.0 o10 380.0 350.0 321.0 294.0 270.0 246.0 225.0 o20 461.0 414.0 374.0 338.0 306.0 277.0 250.0 o25 573.0 494.0 434.0 385.0 343.0 307.0 275.0 o30

.0 866.0 574.0 478.0 411.0 358.0 315.0

sMBaFdIGkm ekItmanenAeBlEdlCBaaMgTb;rMkil nigsgt;dI. sMBaFdIGkm enAkMBs;'h enAelICBaaMgTb;CamYynwgdIcak;bMeBjtamTisedkRtUv)ankMNt;dUcxageRkam

+==

sin1sin1

whwhC P p p !$>&

Edla

p C C

1sin1sin1 =

+=

sMBaFGkm srubKW

+=

sin1

sin1

2

2wh H

p !$>*kMlaMgpb p H manGMeBIenA3/'h BI)at rUbTI 14>2. enAeBldIrgnUvbnkbEnmedaymM u eTAnwgbnat;edk enaH

+=

22

22

coscoscos

coscoscoscos pC !$>(

whC P p p = nig 22wh

C H p p = p H manGMeBIenA3/'h ehIyeRTtedaymM u eTAnwgbnat;edk rUbTI 14>4. tMl pC Edl

sMEdgedaysmIkar !$>( sMrab;tMlepSgn nig RtUv)anbgajenAk gtarag !$>#.


7/31

T.Chhay NPIC

CBaaMgTb; 321

tMln nigw ERbRbYleTAtamRbePTdIcak;bMeBj. tamkarENnaM tMlFm tarbs; nigw RtUv)aneGay enAkgtarag !$>!.

tarag !$># tM lrbs; pC mMkkitkg

o28 o30 o32 o34 o36 o38 o40 o0 77.2 00.3 25.3 54.3 85.3 20.4 60.4 o10 55.2 78.2 02.3 30.3 60.3 94.3 32.4 o20 92.1 13.2 36.2 61.2 89.2 19.3 53.3 o25 43.1 66.1 90.1 14.2 40.2 68.2 00.3 o30 .0 87.0 31.1 57.1 83.1 10.2 38.2

b. sMrab;RTwsIrbs;Coulomb / sMBaFdIskm RtUv)ansn t;faCalTplndM udI (wedge of soil) rGilRbqaMgmkelIpCBaaMgTb;. dUcenHRTws ICoulomb KWsMedAeTARTws I wedge . enAeBlEdlkMlaMgkkitRtUv)anKitenAk gCBaaMgTb; eK)ansn t;faprGilCabgerobes I EtkarBitvamanlkNekagbn ic. kMhusenAk gkarsn t;enHRtUv)anecalenAk gkarKNnasMBaFdIskm .smIkarCoulomb edIm,IKNnasMBaFdIskm nigsMBaFdIGkm mandUcxageRkam

sMBaFdIskm KW

whC Paa

=


8/31

Department of Civil Engineering viTasanCatiBhubeckeTskm!0a

Edl = mM ukkitk grbs;dI = mM unpsMBaFdImkGkSQr= mMukkittambeNaypCBaaMg mM urvagdInigebtug= mM unbn kbEnm(surcharge) eTAGkSedk

sMBaFdIskm srubKW22

2 hP

whC H

aaa ==

enAeBlEdlpCBaaMgmanlkNbBarRtg; enaH o0= nigRbsinebI = enaHaC enAkgsmIkar !$>!0a kayeTACasmIkar !$>^ rbs; Rankine .sMBaFdIGkm KW whC P p p = Edl ( )

( ) ( ) ( )( ) ( )

22

2

coscossinsin

1coscos

cos

+++

+=

pC !$>!0a

tMlrbs; nigw ERbRbYleTAtamRbePTdIcak;bMeBj. tamkarENnaM tMlFm tarbs; nigw RtUv)aneGay enAk gtarag !$>!.

c. enAeBlEdldIEqtTwk rnes \TiBlnbnkbEnmEffect of SurchargebnkepSgnbnkRtUv)andak;enAelIpndIcak;bMeBjBIxageRkayCBaaMgTb;. RbsinebIbn k

Cabn kBRgayes I kMBs;smmUlrbs;dI sh RtUv)ansn t;famanGMeBIeTAelICBaaMgedIm,Ibeg InsMBaF.sMrab;CBaaMgdUcbgajenAk grUbTI 14>5 sMBaFedkEdlbNalBIbn kbEnmmantMlefreBjkMBs;rbs; CBaaMgTb;.


9/31

T.Chhay NPIC

CBaaMgTb; 323

w

wh ss = !$>!!

Edl =sh kMBs;smmUlrbs;dI =sw sMBaFbn kelIs

=w TMgn;maDdI sMBaFsrubKW

+=+= saaaa hh

hwC H H H

2

2

21 !$>!@

enAk gkrNIbnkBRgayes IedayEpkmanGMeBIenAcMgaymYyBICBaaMgTb; enaHvamanEtsMBaFnbn kbEnmsrubmYyEpkman\T iBleTAelICBaaMg rUbTI !$>^.

vaCakarGnuvtn_TUeTAedaysn t;fakMBs;RbsiTPaBnbn kbEnmKW'h Edlvas;BIcMnuc B eTA)atrbs;CBaaMgTb;. bnat; AB p MmM u o45 CamYyGkSedk.

k gkrNIbn kkg;LanmanGMeBIenAcMgaymYyCBaaMg bn kRtUv)anBRgayelIpkMNt;mYy

EdlCaTUeTAkMNt;edayspecification

EdleKTTYlsal;dUcCaAASHTO

nigAREA

.


10/31

Department of Civil Engineering viTasanCatiBhubeckeTskm kMlaMgkkitenAelI atCBaaMgTb;Friction on the Retaining Wall Basebg MkMlaMgtamTisedknkMlaMgTaMgGs;manGMeBIelICBaaMgTb;)anrujCBaaMgtamTisedAedk.

)atCBaaMgTb;RtUvEtFMRKb;RKan;edIm,ITb;nwgkarrGilrbs;CBaaMg. emKuNkMlaMgkkitEdlRtUv)aneRbIKWCaemKuNkMlaMgkkitndIenAelICBaaMgsMrab;coarse granular soils nigCaersIusg;kMlaMgkat;TTwgndIs it.emKuNkMlaMgkkit EdlGacTTYlyksMrab;RbePTdIepSgmandUcxageRkam

- Coarse-grained soils without silt, 55.0= - Coarse-grained soils with silt, 45.0= - Silt, 35.0=

-

Sound rock, 60.0= kMlaMgkkitsrubF enAelI)atedIm,ITb;nwgkarrGilKW p H RF += !$>!#

Edl = emKuNkMlaMgkkit= R kMlaMgbBarmanGMeBIelI)at

= p H kMlaMgTb;Gkm emKuNsuvt iPaBRbqaMgnwgkarrGilKW

emKuNsuvt iPaB 5.1+

==ah

p

ah H

H R

H F !$>!$

Edl ah H Cabg MkMlaMgedknsMBaFskm a H . emKuNsuvt iPaBRbqaMgnwgkarrGilminKYrtUcCag5.1 RbsinebIkMlaMgTb;Gkm p H RtUv)anecal nigminKYrtUcCag0.2 RbsinebI p H RtUv)anykmkKitBicarNakgkarKNna.7> sanPaBlMnwgRbqaMgnwgkarRkLab;Stability against Overturning

bg MkMlaMgedknsMBaFskm a H nwgeFV IeGayCBaaMgTb;RkLab;eFobcMnuc0 rUbTI 14>7. m: U m:g;eFV IeGayRkLab; (overturning moment) 3/0 h H M a= . TMgn;rbs;ebtug nigdIbeg ItCam: Um:g;EdleFVIeGaymanlMnwg(balancing moment or rightening moment) edIm,ITb;Tl;nwgm: Um:g;eFV IeGayRkLab;. m:Um:g;eFV IeGaymanlMnwgsMrab;krNICBaaMgdUcbgajk grUbTI 14>7 KW

=++= wx xw xw xw M b 332211 emKuNsuvt iPaBRbqaMgnwgkarRkLab;KW


11/31

T.Chhay NPIC

CBaaMgTb; 325

emKuNsuvt iPaB 0.23

0

== h H

ws

M

M

a

b !$>!%

emKuNsuvt iPaBenHminRtUvKYrtUcCag0.2 eT.kMlaMgpbnkMlaMgTaMgGs;manGMeBIelICBaaMgTb; A R RbsBVenA)atCBaaMgTb;Rtg;cMnuc C rUb

TI 14>7. CaTUeTA cMnuc C minRtYtsI uKaCamYyGkSrbs;)atCBaaMg dUcenHvabegIt)anCakMlaMgcakp itenAelIeCIgtag. vaCakarRbesIredayrkSacMnuc C enAkgEpkkNalnRbEvgmYyPaKbIn)atCBaaMgedIm,IeFV IeGay)atCBaaMgTaMgmUls iteRkamsMBaFdI. krNIeCIgtageRkambnkcakpitRtUv)anBnl;k gemeronTI 13.


12/31

Department of Civil Engineering viTasanCatiBhubeckeTskm smamaRtnCBaaMgTb;Proportions of Retaining WallskarKNnaCBaaMgTb;cab;ep ImCamYynwgkarmuxkat;sakl,gEdlmanTMhMRbhak;RbEhl.

bnab;mkmuxkat;sn t;enaHRtUv)anep gpat;sanPaBlMnwg nigPaBRKb;RKan;rbs;eRKOgbg M. xageRkamCac,ab;EdlGaceRbIedIm,IkMNt;xatRbhak;RbEhlnEpkepSrbs;CBaaMgTb; cantilever

a. kM Bs; rbs;CBaaM g kMBs;srubrbs;CBaaMges InwgPaBxusKankMritkMBs;bUknwgmm900 eTAmm1200 EdlCakarKNnaCMerAnCMrabTwkkk(frost penetration depth) sMrab;rdPaKxag

eCIgrbs;RbeTsGaemrik. b. kM ras; CBaaMg GaMgtg;sI uetnsMBaFekIneLIgeTAtamCMerArbs;CBaaMg ehIytMlGtibrmarbs;

vas itenA)atCBaaMg. dUcenH m: Um:g;Bt;Gtibrma nigkMlaMgkat;TTwgGtibrmaenAk gCBaaMgekItmanenAnwg)atrbs;va. kMras;CBaaMgenA)atRtUv)ankMNt;es Inwg12/1 eTA10/1 nkMBs;CBaaMgh . kMras;rbs;CBaaMgenAkMBUlRtUv)ansn t; mm200 nig mm300 . edaysarCBaaMgTb;RtUvKNnasMrab;Tb;sMBaFdIskm edIm,IeFVIeGaymanPaBdabrbs;CBaaMgtUc vaCakarRbesIredIm,Ipl;nUvpCBaaMgmanCMralGb,brmak gkMrit mm25 k gkMBs; m1 . sMrab;CBaaMgTabEdlmankMBs; m3 eKGacykkMras;CBaaMgefr)at.

c. RbEvgeCIgtag karkMNt;dMbUgsMrab;RbEvg)ates Inwg5/2 eTA3/2 nkMBs;CBaaMg h .


13/31

T.Chhay NPIC

CBaaMgTb; 327

d. kM ras;rbs; )at kMras;)atxageRkamRtUv)ankMNt;es IkMras;CBaaMgenA)at Edles Inwg 12/1 eTA10/1 nkMBs;CBaaMg. kMras;Gb,brmaRtUv)ankMNt;RbEhl mm300 . )atCBaaMgGacmankM-

ras;es I bs cenAcugTaMgsgag Edlmanm: Um:g;Bt;sUn. smamaRtrbs;CBaaMgcantilever retaining wall RtUv)anbgajenAkgrUbTI 14>8.9> tMrUvkarsMrab;KNnaDesign Requirement

ACI Code, Chapter 14 pl;nUvviFIsaRssMrab;KNnalTPaBRTRTg;rbs;CBaaMg. tMrUvkarcMbgdUcxageRkam

a. kMras;Gb,brmanCBaaMgKW 25/1 nkMBs; bnRbEvgCBaaMg ykmYyNaEdltUcCageK b: uEn minRtUvtUcCagmm100 .

b. RkLapGb,brmanEdkedkenAkgCBaaMgKW bh0025.0 Edlbh CaRkLapebtugCBatMlenHRtUv)ankat;bnyRtwm bh002.0 RbsinebIeKeRbIEdk16 DB bEdkEdlmanmuxkat; tUcCagenH nigman MPa f y 400 . sMrab;EdksMNaj;pSar EdkmUl bEdkfaMgGMeBA RkLapEdkGb,brmaKWbh002.0 .

c. RkLapGb,brmanEdkQrKW bh0015.0 b: uEnvaRtUv)ankat;bnyRtwm bh0012.0 RbsinebI Edk 16 DB bEdkEdlmanGgt;pittUcCagenHCamYynwg MPa f y 400 RtUv)aneRbI. sMrab;EdksMNaj;pSar EdkmUl bEdkfaMgGMeBA brimaNEdkGb,brmaKW bh0012.0 .

d. KMlatGtibrmanEdkbBar nigEdkedkKWtMltUcCageKk gcMeNammm450 bkMras;CBaaMgbIdg.

e. RbsinkMras;CBaaMgFMCag mm250 enaHEdkbBar nigEdkedkKYrEtdak;BIrRsTab;RsbKanwgp xagk g nigxageRkA dUcxageRkam sMrab;pCBaaMgxageRkA y:agtic 2/1 nbrimaNEdks A b:uEnminRtUveRcInCag 3/2 s A KYrmankMras;karBarEdkGb,brmamm50 b: uEnminRtUvFMCag3/1 nkMras;CBaaMg. enHedaysarpCBaaMgxageRkARbQmnwglkxNGakasFatuepSgKa nigbMErbMrYlsItuNPaB.sMrab;pCBaaMgxagkg EdktMrUvkarenAk gTisedAnImYyKYrmankMras;karBarEdkGb,brma

mm20 b: uEnminRtUvFMCag3/1 nkMras;CBaaMg.EdkGb,brmaenAk geCIgtagCBaaMg eyagtamACI Code, Section 10.5.3 KWfaEdktMrUvkarsM rab;EdkrYmmaD nigEdksItuNPaB Edlfa bh0018.0 enAeBl MPa f y 400= nig bh0020.0


14/31

Department of Civil Engineering viTasanCatiBhubeckeTskm


15/31


16/31

Department of Civil Engineering viTasanCatiBhubeckeTskm m: Um:g;eFV IeGayRkLab;(overturning moment) KW mkN M .6.281.1260 == 3> KNnam: Um:g;eFV IeGaymanlMnwg(balancing moment) b M edayKiteFobcMnuc 0 rUbTI

14>10 TMgn; )(kN dXas; )(m m: Um:g; ).( mkN

6.212433.01 ==w 4.0 64.8 ( ) 27243.005.13

21

2 ==w 8.0 6.21 52.11246.13.03 ==w 8.0

22.9

( ) 8.196.173.005.1321

4 ==w 05.1 79.20 84.156.1733.05 ==w 45.1 23

kN Rw 76.95== == kN M M b 25.83 4> emKuNsuvt iPaBRbqaMgnwgkarRkLab;KW 0.291.26.28/25.83 >= 5> kMlaMgRbqaMgkarrGil kN RF 88.4776.955.0 ===

emKuNsuvt iPaBTb;nwgkarrGilKW 5.184.126/88.47/ >==

a H F 6> KNnasMBaFdIeRkam)ata. cMgayrbs;kMlaMgp bBIcMnuc 0

m R

M M x b 57.0

76.956.2825.830 ===

cMNakpitKW me 23.057.08.0 == . kMlaMgpb RmanGMeBIenAk gEpkkNalnmYyPaKbI RbEvgeCIgtag nigmancMNakp it

me 23.0= BIGkSrbs;)at rUbTI 14>10. b. sMrab;eCIgtagRbEvgm1 nigRbEvgeCIgtagRbsiTPaB m6.1

m:Um:g;niclPaB 43 34.012/6.11 m I == / RkLap 26.1 m A = c. sMBaFdIenAcugTaMgBIrrbs;eCIgtagKW I Mc A Rqq //, 21 = .

m:Um:g; M KW mkN e R .2223.076.95 == nig mc 8.0= kN q 6.111

34.08.022

6.176.95

1 =+=

kN q 1.834.0

8.0226.176.95

2 ==


17/31

T.Chhay NPIC

CBaaMgTb; 331

7> RtYtBinitkugRtaMgBt;enAk gebtugRtg;cMnuc A a. sMBaFdIRtg;cMnuc ABIFrNImaRtKW

( ) kN q A 4.951.86.1116.135.11.8 = += b. m:Um:g; A M RtUv)anKNnaenARtg; AbNalmkBIkugRtaMgctuekaNEkg nigkugRtaMg

RtIekaNmkN M A .32.33

225.0

225.02.16

225.04.95 2 =

+=

c. kugRtaMgBt;enAkgebtugKW MPa I

Mc221.0101025.2

15.032.3 33 =

=

Edl mhc 15.023.0

2=== nig 433 1025.212/3.01 m I ==

d. m:UDuldac;rbs;ebtug(modulus of rupture of concrete) KW MPa MPa f c 221.08.2'623.0 >=

emKuNsuvt iPaBRbqaMgnwgkareRbHKW 67.12221.08.2 = . dUcenH

muxkat;manlkNRKb;RKan;. eKmincaM)ac;es InUvmuxkat;epSgeTotedIm,IRtYtBiniteT.]TahrN_ 4>2KNnaCBaaMgTb;cantilever edIm,ITb;dIRcaMgkMBs; m5 . enAelIdIEdlTb;manbn kbEnm 2/25.9 mkN . eKeGay TMgn;maDdIcak;bMeBj 3/5.18 mkN / mMukkitk g o35= / emKuNkkitrvagebtug nigdI 5.0= / emKuNkkitrvagRsTab;dI 7.0= / lTPaBRTdIGnuBaat 2/200 mkN /

MPa f c 20' = nig MPa f y 400= .dMeNaHRsay

1> kMNt;TMhMrbs;CBaaMgTb;edayeRbITMnak;TMngRbhak;RbEhlEdl)anbgajenAkgrUbTI 14>8a. kMBs;CBaaMg edaybgb;CBaaMgTb; mm900 enaHkMBs;rbs;CBaaMgTb; mh 9.59.05 =+=

b. kMras;)at sn t;kMras;)ates I mh 472.09.508.008.0 == yk m45.0 . kMBs;rbs;tYCBaaMg m45.5

c. RbEvgeCIgtag RbEvgeCIgtagERbRbYlcenaH h4.0 nig h67.0 . edaysn t;yktMlmFm enaHRbEvgeCIgtages I mh 127.39.553.053.0 == yk m2.3 .


18/31

Department of Civil Engineering viTasanCatiBhubeckeTskm11.

2> tamsmIkarRankine 271.0

574.01574.01

sin1sin1 =

+=

+=

aC

3> emKuNsuvt iPaBRbqaMgnwgkarRkLab;GacRtUv)ankMNt;dUcxageRkama. KNnakMlaMgK anemKuNBitR)akdEdlmanGMeBIelICBaaMgTb;. dMbUg kMNt;nUvral;kMlaMg

EdleFV IeGayCBaaMgRkLab;


19/31


20/31

Department of Civil Engineering viTasanCatiBhubeckeTskm=

4> KNnasMBaFdIeRkameCIgtag. Kitm:Um:g;eFobcMnuc

0

rUbTI 14>12 edIm,IkMNt;TItaMgkMlaMgp b R nkMlaMgbBar

5.2634.215541goverturnin balancing ==

=

R M M

R

Hy M x

mm 066.132.3

236.1 =>=

cMNakp itKW me 364.0236.12/2.3 == . kMlaMgp b R manGMeBIenAk gEpkkNalnRbEvgmYyPaKbIneCIgtag nigmancMNakp it me 476.0= BIGkSrbs;eCIgtag. sMrab; RbEvgbeNay m1 rbs;eCIgtagRkLap 22.32.31 m== m: Um:g;niclPaB 4

373.2

122.3

1 m I == 22

1 /200/56.13873.26.1364.05.263

2.35.263

mkN mkN I

C e R A R

q KNnaemKuNsuvt iPaBRbqaMgnwgkarrGil. emKuNsuvt iPaBGb,brmaRtUves I 5.1 .

kMlaMgeFVIeGayrGil kN H H aa 10226.8775.1421 =+=+= kMlaMgTb;kM ueGayrGil kN R 75.1265.2535.0 === emKuNsuvt iPaBRbqaMgnwgkarrGil 5.124.1102

75.126


21/31

T.Chhay NPIC

CBaaMgTb; 335

eGayrGil. tYnaTIepSgeTotrbs; key KWpl;nUvRbEvgbgb;RKb;RKan;sMrab;Edkdowel rbs;tYCBaaMg. dUcenHkey RtUv)andak;enATItaMgEdlpxagmuxrbs;vamancMgay mm150 BIpxageRkayrbs;CBaaMg rUbTI14>13. enAkgkarKNnasMBaFGkm dIenABIelIeCIgtagEpkxagmuxRtUv)anecalk gkMBs; mm300 . dUcenHenAkg]TahrN_enHkMBs;dIKItBI)ateCIgtages I

mm600 . sn t; key mankMBs; mmt 450= nigTTwg mmb 450= .69.3

271.011

sin1sin1 ===

+=

a p C

C ( ) ( ) kN t hwC H p p 63.3745.06.05.1869.32

1'

21 22 =+=+=

\LvkarrGilGacnwgekItmanenAelIp AC

/CD

nig EF

rUbTI14>13. prGil AC

CaprGilrvagRsTab;dInigRsTab;dIEdlmanemKuNkMlaMgkkitk g 7.035tantan === o .

cMENkprGilCD nig EF CaprGilrvagebtugnigRsTab;dIEdlmanemKuNkMlaMgkkitk ges I 5.0 dUcEdl)aneGayenAk gsm tikm rbs;]TahrN_.


22/31



23/31

T.Chhay NPIC

CBaaMgTb; 337

26.224438710000058.0 mm As == eRbI 25 DB KMlat mm200 24.2454 mm As = . EdkbBarGb,brmas A eyagtamACI Code, Section 14.3 KW

22 4.245467510004500015.0 mmmm As ==

eRbIEdk 12 DB KMlat mm200 25.565 mm As = . b. EdksItuNPaB nigEdkrYmmaD EdkedkGb,brmaenA)atCBaaMgGaRsynwgACI Code,

Section 14.3 KW 2

min 9004501000002.0 mm As == sMrab;mYyPaKbIBI)at/ edaysn t;eRbIEdk16 DB btUcCagenH.

2min 8004001000002.0 mm As ==


24/31



25/31

T.Chhay NPIC

CBaaMgTb; 339

CaTUeTAmuxkat;eRKaHfak;sMrab;kMlaMgkat;TTwgs itenAcMgayd BIpCBaaMgenAeBlEdlkMlaMgRbtikm begItkMlaMgsgt;enAtMbn;xagcugrbs;Ggt;. k gkrNIenH muxkat;eRKaHfak;RtUv)anKitfaekItmanenAnwgpCBaaMg edaysarEtkMlaMgTaj minEmnkMlaMgsgt;ekItmanenAkgebtug.

kN V u 3.261= kN kN bd f V cc 3.2614.2021036210002012

275.0'

122 3 13 Epkxagmuxrbs;eCIgtagrgnUvsMBaFeLIgelIedaysardI nigsMBaFcuHeRkamedaysarbn kpal;rbs;kMraleCIgtagEpkxagmux.


26/31


27/31

T.Chhay NPIC

CBaaMgTb; 341

EdkGb,brmasItuNPaB nigrYmmaD 2100856010000018.0 mm As == EdkGb,brmargkarBt; 26.155747210000033.0 mm As == eRbIEdk 20 DB manKMlat mm200 dUcKanwgEpkxagmuxCBaaMg. RbEvgEdkbgb;sMrab;Edk

20 DB es Inwgmm650 . bg sEdkcUleTAk gEpkxageRkayCBaaMgRbEvgmm650 . bg;srsEdklMGitRtUv)anbgajenAk grUbTI 14>14.

9> Shear keyway rvagCBaaMg nigeCIgtag enAk gkarsagsg;CBaaMgTb; eCIgtagRtUv)ancak;munbnab;mkeTIbEpkxagelIRtUv)ancak;bn.Construction joint RtUv)aneRbIenA)atCBaaMg. p tMNrRtUv)anykmanragCakeyway dUcbgajenAkgrUbTI 14>15 bRtUvTukeGaymanlkNKeRKIm rUbTI 14>14. tMNrRtUvmanlTPaBbBa nkMlaMgkat;TTwgBItYCBaaMgeTAeCIgtag.

10> enAk gkarKNnaenH eKcaM)ac;RtUvdak;RbBn bgrTwkBIdIcak;bMeBjeGay)anRtwmRtUv BIeRBaHsM BaFdIEdleRbIKWsMrab;dIcak;bMeBjEdlbgrTwkecj.Weep holes KYrRtUv)andak;enAk gCBaaMgEdlmanGgt;pit mm100 manKMlat m5.1 tamTisedAedk nigTisedAbBar.

11> CBaaMgCan;eRkamdIBasement WallsCBaaMgCan;eRkamdIRtUv)aneKsn t;fas itenAcenaHkMralxNCan;eRkamdI nigkMralxN Can;pal;dI.

eKmanBIrkrNIk gkarKNnaCBaaMgCan;eRkamdI.TImYy enAeBlEdlCBaaMgRtUv)ansg;enABIelIkMralxN Can;eRkamdI CBaaMgnwgrgnUvsMBaFdItam

Tisedk nigminrgbn kbBareRkABIbn kpal;xn. k gkrNIenH CBaaMgmannaTICacantilever ehIybri-maNEdkRKb;RKan;KYrRtUv)andak;sMrab;karKNnaCBaaMgcantilever . krNIenHGaceCosvag)anedatMeLIgkMralxN Can;eRkamdI nigkMralxN Can;TImYymuxnwgcak;bMeBjdI.

TIBIr enAeBlEdlkMralxNCan;TImYy nigkMralxN Can;epSgeTotRtUv)ansg; ehIysMNg; RtUv)andak;bn keBj enaHCBaaMgCan;eRkamdImannaTICaCBaaMg propped cantilever EdlrgnUvsMBaFdI kdUcCasMBaFbBar.

sMrab;mM ukkitk g o35= enaHemKuNsMBaFskm 271.0=aC . sMBaFsIedkenAnwg)atKW whC P aa = . sMrab; 3/6.17 mkN w = nigCBaaMgmankMBs;mFm mh 3= enaH

2/31.1436.17271.0 mkN Pa == mkN H a /46.21

2

36.17271.0

2== nCBaaMg


28/31

Department of Civil Engineering viTasanCatiBhubeckeTskm3kMNt;kMras; nigbrimaNEdkcaM)ac;sMrab;CBaaMgTb;Can;eRkamdIdUcbgajk grUbTI 14>16. eKeGay TMgn;maDdIcak;bMeBj 3/6.17 mkN / mM ukkitk g o35= / MPa f c 20' = nig

MPa f y 400= .dMeNaHRsay


29/31

T.Chhay NPIC

CBaaMgTb; 343

1> CBaaMgmanElVgtamTisQr nigRtUv)ancat;TukfamanTMrbgb;enA)at nigTMr propped enAkMBUl. edaycat;TukRbEvgElVg m L 925.2= dUcbgajk grUbTI 14>16. sMBaFxagepSgEdlmanGMeBIelICBaaMgk gRbEvgm1 mandUcteTAsMBaFEdlekItBIsMBaFdI mkN Pa /31.14= nig kN H a 46.21= sMBaFEdlekItBIsMBaFTwk mkN Pw /15= nig kN H w 5.22= sMBaFEdlekItBIbnkelIs mkN Ps /62.2= nig kN H s 86.7=

a H nig w H KWbNalmkBIbn kBRgayrayRtIekaN b:uEn s H )anBIbnkBRgayes I. BI rUbTI 14>16 nigedayeRbIemKuNm: Um:g;nF wm propped EdlrgbnkRtIekaN nigbn kBRgayes I CamYynwgemKuNbn k 6.1= (ACI Code, Appendix C)

( )8

6.15.7

6.1 L

H L

H H M swau ++= ( ) mkN .03.32

8925.2

86.76.15.7

925.25.2246.216.1 =++=

kN R B 78.18925.203.32

286.7

35.2246.21

6.1 =

++= ( ) kN R A 13.6478.1886.75.2246.216.1 =++=

m: Um:g;viCmanGtibrmaEdlekItmanenAmuxkat;EdlmankMlaMgkat;sUn( ) 0

2925.21531.14

6.162.26.178.182

=

+= x xV u

m x 291.1= mkN M c .153

291.1294.12

291.1262.2

6.1291.178.182

2 =

+=

2> edaysn t; 01.0= enaH MPa Ru 3= mm

b R M d

u

u 10010003

1003.30 6 =

== kMras;srub mm146640100 =++= . eRbIkMras; mm190 dUcenH mmd 144=

MPabd

M R uu 45.1

1441000

1003.302

6

2 =

== PaKryEdk0045.0= nig 264814410000045.0 mm As ==

s A Gb,brma 228519010000015.00015.0 mmbh === s A Gb,brmargkarBt; 22.47514410000033.0 mm==


30/31

Department of Civil Engineering viTasanCatiBhubeckeTskm sMrab;m:Um:g;viCman mkN M c .15=

MPa Ru 72.01441000

10152

6=

= 0022.0=

22 6708.31614410000022.0 mmmm As m: Um:g;sUnekItmanenAcMgay m288.2 BIkMBUl nig m637.0 BI)at. RbEvgRCYsrbs;Edk16 DB KWmm360 tMbn;sgt;. dUcenH dak;Edkem16 DB RbEvg mmmm 360637 +

mm997= b mm1000 BI)at rYcbnab;mkeRbIEdk12 DB KMlatmm300 enApxageRkA.sMrab;pxagk g eRbIEdk 12 DB KMlat mm250 .


31/31

T.Chhay NPIC

5> brimaNEdkbeNay eRbIPaKryEdkGb,brma002.0= ACI Code, Section 14.3 b 23801901000002.0 mm As == . eRbI12 DB KMlat mm300 enApTaMgsgag.

6> RbsinebIm:Um:g;Bt;enA)atnCBaaMgmantMlFM enaHeKcaM)ac;RtUvkarkMras;kMralxNCBaaMgFM ]TahrN_mm300 bFMCagenH. enAk gkrNIxHeKGaceRbI haunch dUcbgajk grUbTI 14>17. eKeFV IEbbenHedIm,Ikat;bnykMras;CBaaMg edaysarEtm: Um:g;RtUv)anKNnaen muxkat;BIelI haunch Etmg.

7> kMralxN Can;eRkamdIGacmankMras;FMCagkMras;CBaaMg nigGacRtUv)anBntecjeRkAhYspCBaaMgRbEhlmm250 bFMCagenHRbsinebIcaM)ac;.

បេតុងពង្រឹងដោយដែក 14 xiv-retaining-walls

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