acc perhitungan beban atap
DESCRIPTION
GeoteknikTRANSCRIPT
Berat Rangka Kuda-kuda I
Berat Rangka Kuda-kuda I
Berat *) = Volume x BJ Kayu
Kayu yang dipakai Kayu Semantok (Bj) = 980 Kg/cm3
Nama PanjangUkuranLuasVolumeBerat *)
Batang(m)(cm)(m)(m)(kg)
A00,36/120,00720,00222,117
A12,66/120,00720,018718,346
A21,86/120,00720,013012,701
A32,46/120,00720,017316,934
A42,46/120,00720,017316,934
A51,86/120,00720,013012,701
A62,66/120,00720,018718,346
A70,36/120,00720,00222,117
B12,12 x 6/120,01440,030229,635
B21,52 x 6/120,01440,021621,168
B322 x 6/120,01440,028828,224
B422 x 6/120,01440,028828,224
B51,52 x 6/120,01440,021621,168
B62,12 x 6/120,01440,030229,635
V11,56/120,00720,010810,584
V22,56/120,00720,018017,640
V33,96/120,00720,028127,518
V42,56/120,00720,018017,640
V51,56/120,00720,010810,584
D12,16/120,00720,015114,818
D23,26/120,00720,023022,579
D33,26/120,00720,023022,579
D42,16/120,00720,015114,818
G122 x 4/120,00480,00969,408
G222 x 4/120,00480,00969,408
Jumlah435,826
Berat Atap I
Beban mati (WD)
Berat : Volume x Bj atap genteng (50 kg/m2)
Berat Rangka Kuda-kuda = 435,826 x 2 = 871,652 kg
Berat gording :
Nama PanjangUkuranLuasVolumeBerat *)
Batang(m)(cm)(m)(m)(kg)
G136/120,00720,021621,168
G24,96/120,00720,035334,574
G36,96/120,00720,049748,686
G46,46/120,00720,046145,158
G56,46/120,00720,046145,158
G66,46/120,00720,046145,158
G71,56/120,00720,010810,584
G83,56/120,00720,025224,696
G95,56/120,00720,039638,808
G106,46/120,00720,046145,158
G116,46/120,00720,046145,158
G126,46/120,00720,046145,158
Jumlah449,464
Karena simetris maka berat Gording = 449,464 x 2 = 898,928 kg
Berat ikatan angin = 2 x 3 x 0,06 x 0,10 x 980 = 35,28 kg
Berat penutup atap genteng keramik :
Bentuk trapesium = {(1,4+14)x6,2}/2 + [{(2,8+6,8)x2,3}/2] = 58,78 mMaka total luas atap = 58,78 x 2
= 117,56 m
Berat penutup atap = 117,56 x 50
= 5878 kg
WD = 871,652 + 898,928 + 35,28 + 5878
= 7683,86 kg
Berat Beban Angin Tekan
t = (0,02 0,4) x 40 dimana = 35
= 12 kg/m2Titik A = B= (( (A1) + A0)x 12 x 117,56
= (( (2,6) + 0,3)x 12 x 117,56 = 2257,152 kg
Titik H = L= (( (A1 + A2))x 12 x 117,56
= (( (2,6 + 1,8))x 12 x 117,56 = 3103,584 kg
Titik I = K= (( (A2 + A3))x 12 x 117,56
= (( (1,8 + 2,4))x 12 x 117,56 = 2962,512 kg
Titik J
= (( (A3 + A4))x 12 x 117,56
= (( (2,4 + 2,4))x 12 x 117,56 = 3385,728 kg
Berat Beban Angin Hisap
t = ( 0,4) x 40 dimana = 35
= 16 kg/m2Titik A = B= (( (A1) + A0))x (16) x 117,56
= (( (2,6) + 0,3))x (16) x 117,56 = 3009,536 kg
Titik H = L= (( (A1 + A2))x (16) x 117,56
= (( (2,6 + 1,8))x (16) x 117,56 = 4138,112 kg
Titik I = K= (( (A2 + A3))x (16) x 117,56
= (( (1,8 + 2,4))x (16) x 117,56 = 3950,016 kg
Titik J
= (( (A3 + A4))x (16) x 117,56
= (( (2,4 + 2,4))x (16) x 117,56 = 4514,304 kg
Tabel 3.3 Rekapitulasi beban angin pada tiap-tiap titik buhul
TITIKANGINANGINTOTAL
TEKANHISAP
A2257,152 -3009,536-752,384
B2257,152 -3009,536-752,384
H3103,584-4138,112-1034,528
I2962,512-3950,016-987,504
J3385,728 -4514,304-1128,576
K2962,512 -3950,016-987,504
L3103,584 -4138,112-1034,528
TOTAL-6677,408
Beban Hujan (WL)Wah = 40 0,8 dimana = 35
= 12 kg/m2Titik A = B= (( (A1) + A0))x 12 x 117,56
= (( (2,6) + 0,3))x 12 x 117,56 = 2257,152 kg
Titik H = L= (( (A1 + A2))x 12 x 117,56
= (( (2,6 + 1,8))x 12 x 117,56 = 3103,584 kg
Titik I = K= (( (A2 + A3))x 12 x 117,56
= (( (1,8 + 2,4))x 12 x 117,56 = 2962,512 kg
Titik J
= (( (A3 + A4))x 12 x 117,56
= (( (2,4 + 2,4))x 12 x 117,56 = 3385,728 kg
Beban Ultimit (Wu)
Wu = 1,2WD+1,6WL + WA =1,2(7683,86) + 1,6(20032,224) - 6677,408 = 34558,7824 kg
Beban ultimit ini akan dilimpahkan pada 10 kolom bangunan, yang masing-masing beratnya adalah;
R = x WU = x 34558,7824 = 3455,88 kg
Kemudian beban R tersebut dilimpahkan kekolom C2, H2, D3, G3, E3, F3, E4, F4, D5, G5.
Berat Rangka Kuda-kuda II
Nama PanjangUkuranLuasVolumeBerat *)
Batang(m)(cm)(m)(m)(kg)
A01,16/120,00720,007927,7616
A126/120,00720,014414,112
A23,16/120,00720,0223221,8736
A33,16/120,00720,0223221,8736
A426/120,00720,014414,112
A51,16/120,00720,007927,7616
B11,42 x 6/120,01440,0201619,7568
B22,22 x 6/120,01440,0316831,0464
B32,22 x 6/120,01440,0316831,0464
B41,42 x 6/120,01440,0201619,7568
V11,46/120,00720,010089,8784
V23,66/120,00720,0259225,4016
V31,46/120,00720,010089,8784
D12,66/120,00720,0187218,3456
D22,66/120,00720,0187218,3456
Jumlah270,950
Berat Atap II
Beban mati (WD)
Berat Rangka Kuda-kuda = 270,950 x 2 = 541,9 kg
Berat gording :
Nama PanjangUkuranLuasVolumeBerat *)
Batang(m)(cm)(m)(m)(kg)
G131,46/120,00720,01019,878
G143,46/120,00720,024523,990
G155,46/120,00720,038938,102
G167,36/120,00720,052651,509
G172,76/120,00720,019419,051
G182,76/120,00720,019419,051
G192,76/120,00720,019419,051
G202,76/120,00720,019419,051
G212,76/120,00720,019419,051
G222,76/120,00720,019419,051
G232,76/120,00720,019419,051
G242,76/120,00720,019419,051
Jumlah275,890
Berat gording (simetris)= 275,890x2 = 551,78 kg
Berat ikatan angin
= 2 x 3 x 0,06 x 0,10 x 980 = 35,28 kg
Berat penutup atap genteng keramik
Bentuk jajar genjang = (6x3) + (6x3)
= 36 mBentuk segitiga = {1/2(8,7)x4,2}
= 18,27 mMaka total luas atap = 36 + 18,27
= 54,27 m
Berat penutup atap = 54,27 x 50
= 2713,5 kg
WD = 541,90 + 551,78 + 35,28 + 2713,5 = 3842,46 kg
Berat Beban Angin Tekan
t = (0,02 0,4) x 40 dimana = 45
= 20 kg/m2Titik A = B= (( (A1) + A0)x 20 x 54,27
= (( (2,0) + 1,1)x 20 x 54,27 = 2279,34 kg
Titik F = H= (( (A1 + A2))x 20 x 54,27
= (( (2,0 + 3,1))x 20 x 54,27 = 2767,77 kg
Titik G = (( (A2 + A3))x 20 x 54,27
= (( (3,1 + 3,1))x 20 x 54,27 = 3364,74 kg
Berat Beban Angin Hisap
t = ( 0,4) x 40 dimana = 45
= 16 kg/m2Titik A = B= (( (A1) + A0)x (16) x 54,27
= (( (2,0) + 1,1)x (16) x 54,27 = 1823,472 kg
Titik F = H= (( (A1 + A2))x (16) x 54,27
= (( (2,0 + 3,1))x (16) x 54,27 = 2214,216 kg
Titik G = (( (A2 + A3))x (16) x 54,27
= (( (3,1 + 3,1))x (16) x 54,27 = 2691,792 kg
Tabel 3.6 Rekapitulasi beban angina pada tiap-tiap titik buhul
TITIKANGINANGINTOTAL
TEKANHISAP
A2279,34 1823,472 455,868
B2279,34 1823,472 455,868
F2767,772214,216553,554
G3364,742691,792672,948
H2767,772214,216553,554
TOTAL2691,792
Beban Hujan (WL)Wah = 40 0,8 dimana = 45
= 4 kg/m2Titik A = B= (( (A1) + A0)x 4 x 54,27
= (( (2,0) + 1,1)x 4 x 54,27 = 455,868 kg
Titik F = H= (( (A1 + A2))x 4 x 54,27
= (( (2,0 + 3,1))x 4 x 54,27 = 553,554 kg
Titik G = (( (A2 + A3))x 4 x 54,27
= (( (3,1 + 3,1))x 4 x 54,27 = 672,948 kg
Beban Ultimit (Wu)
Wu = 1,2WD + 1,6WL + WA = 1,2(3842,46) + 1,6(2691,792) + 2691,792 = 11609,611 kg
Beban ultimit ini akan dilimpahkan pada 4 kolom bangunan, yang masing-masing beratnya adalah;
R = x WU = x 11609,611 = 2902,4 kg
Kemudian beban R tersebut dilimpahkan kekolom A3, B3, A5, B5, karena simetris beban yang sama juga dilimpahkan ke kolom I3, J3, I5, J5.Berat Rangka Kuda-kuda III
Nama PanjangUkuranLuasVolumeBerat *)
Batang(m)(cm)(m)(m)(kg)
A01,16/120,00720,007927,7616
A12,86/120,00720,0201619,7568
A22,86/120,00720,0201619,7568
A31,16/120,00720,007927,7616
B122 x 6/120,01440,028828,224
B222 x 6/120,01440,028828,224
V126/120,00720,014414,112
Jumlah125,597
Berat Atap III
Beban mati (WD)
Berat Rangka Kuda-kuda = 125,597x2 = 251,194 kg
Berat gording :
Nama PanjangUkuranLuasVolumeBerat *)
Batang(m)(cm)(m)(m)(kg)
G250,46/120,00720,00292,822
G262,46/120,00720,017316,934
G274,46/120,00720,031731,046
G280,86/120,00720,00585,645
G290,86/120,00720,00585,645
G300,86/120,00720,00585,645
G310,86/120,00720,00585,645
G320,86/120,00720,00585,645
G330,86/120,00720,00585,645
Jumlah84,672
Berat gording (simetris)= 84,672 x 2
= 169,344 kgBerat ikatan angin
= 2 x 3 x 0,06 x 0,10 x 980 = 35,28 kg
Berat penutup atap genteng keramikBentuk jajar genjang = (3,8x0,9) + (3,8x0,9)
= 6,84 mBentuk segitiga = {1/2(5,7)x2,7)}
= 7,695 mMaka total luas atap = 6,84 + 7,695
= 14,535 m
Berat penutup atap = 14,535 x 50
= 726,75 kg
WD = 251,194 + 169,344 + 35,28 + 726,75 = 1182,568 kg
Berat Beban Angin Tekan
t = (0,02 0,4) x 40 dimana = 45
= 20 kg/m2Titik A = B= (( (A1) + A0)x 20 x 14,535
= (( (2,8) + 1,1)x 20 x 14,535 = 726,75 kg
Titik D = (( (A1 + A2))x 20 x 14,535
= (( (2,8 + 2,8))x 20 x 14,535 = 813,96 kg
Berat Beban Angin Hisap
t = ( 0,4) x 40 dimana = 45
= 16 kg/m2Titik A = B= (( (A1) + A0)x (16) x 14,535
= (( (2,8) + 1,1)x (16) x 14,535 = 581,4 kg
Titik D = (( (A1 + A2))x (16) x 14,535
= (( (2,8 + 2,8))x (16) x 14,535 = 651,168 kg
Tabel 3.9 Rekapitulasi beban angin pada tiap-tiap titik buhul
TITIKANGINANGINTOTAL
TEKANHISAP
A726,75-581,4145,35
B726,75-581,4145,35
D813,96-651,168162,79
TOTAL453,492
Beban Hidup (WL)
WL = (Pa + Pd +Pb)
= (200 + 100 + 200) = 500 kgBeban Ultimit (Wu)
Wu = 1,2 WD + 1,6 WL + WA = 1,2(1182,568) + 1,6(500) + 453,492 = 2672,5736 kg
Beban ultimit ini akan dilimpahkan pada 4 kolom bangunan, yang masing-masing beratnya adalah;
R = x WU = x 2672,5736 = 668,1434 kg
Kemudian beban R tersebut dilimpahkan kekolom E1, F1, E2, F2, karena simetris beban yang juga dilimpahkan ke kolom E5, F5, E6, F6
Tabel 3.10 PELIMPAHAN BEBAN KE KOLOMNO.TitikBebanBebanBebanBebanTotalPembulatan
kolomlantai Ilantai IIatapgempa(kg)(ton)
1A39,620.5419,531.122,902.405,769.7337,823.7937.82
2A59,620.5419,531.122,902.405,769.7337,823.7937.82
3B35,117.3021,591.292,902.405,329.9834,940.9734.94
4B55,117.3021,231.292,902.405,265.1834,516.1734.52
5C29,150.0015,647.263,455.885,085.5733,338.7133.34
6D315,578.4034,521.863,455.889,640.1163,196.2563.20
7D511,621.1022,412.723,455.886,748.1544,237.8544.24
8E112,606.243,812.876,681.434,158.1027,258.6427.26
9E210,641.4826,696.746,681.437,923.5451,943.1951.94
10E32,886.0019,819.503,455.884,709.0530,870.4330.87
11E417,341.5017,566.803,455.886,905.5545,269.7345.27
12E515,913.0022,673.046,681.438,148.1553,415.6253.42
13E67,090.564,228.956,681.433,240.1721,241.1121.24
14F112,606.243,812.876,681.434,158.1027,258.6427.26
15F214,925.8426,696.746,681.438,694.7256,998.7457.00
16F32,886.0019,819.503,455.884,709.0530,870.4330.87
17F417,341.5017,566.803,455.886,905.5545,269.7345.27
18F517,203.2022,673.046,681.438,380.3854,938.0654.94
19F67,090.564,228.956,681.433,240.1721,241.1121.24
20G316,859.4034,521.863,455.889,870.6964,707.8364.71
21G512,911.4022,412.723,455.886,980.4045,760.4045.76
22H28,130.0015,647.263,455.884,901.9732,135.1132.14
23I35,117.3021,591.292,902.405,329.9834,940.9734.94
24I55,117.3021,231.292,902.405,265.1834,516.1734.52
25J39,620.5419,531.122,902.405,769.7337,823.7937.82
26J59,620.5419,531.122,902.405,769.7337,823.7937.82
Total271,733.78498,529.12111,229.47158,668.631,040,161.001,040.16
EMBED Visio.Drawing.11
EMBED Visio.Drawing.11
EMBED Visio.Drawing.11
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