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Berat Rangka Kuda-kuda I Berat *) = Volume x BJ Kayu Kayu yang dipakai Kayu Semantok (Bj) = 980 Kg/cm 3 Nama Panjang Ukuran Luas Volume Berat *) Batang (m) (cm) (m²) (m³) (kg) A0 0,3 6/12 0,0072 0,0022 2,117 A1 2,6 6/12 0,0072 0,0187 18,346 A2 1,8 6/12 0,0072 0,0130 12,701 A3 2,4 6/12 0,0072 0,0173 16,934 A4 2,4 6/12 0,0072 0,0173 16,934 A5 1,8 6/12 0,0072 0,0130 12,701 A6 2,6 6/12 0,0072 0,0187 18,346 A7 0,3 6/12 0,0072 0,0022 2,117 B1 2,1 2 x 6/12 0,0144 0,0302 29,635 B2 1,5 2 x 6/12 0,0144 0,0216 21,168 B3 2 2 x 6/12 0,0144 0,0288 28,224 B4 2 2 x 6/12 0,0144 0,0288 28,224 B5 1,5 2 x 6/12 0,0144 0,0216 21,168 B6 2,1 2 x 6/12 0,0144 0,0302 29,635 V1 1,5 6/12 0,0072 0,0108 10,584 V2 2,5 6/12 0,0072 0,0180 17,640 V3 3,9 6/12 0,0072 0,0281 27,518

ACC Perhitungan Beban Atap

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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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