pba kelompok 7b ref 1.xlsx

TahunSta Sta Dukuh Sta CH

Margasari Waringin Kalibakung wilayah (Xn)

1 151 183 130 154.6672 128 124 109 120.3333 109 135 202 148.6674 142 129 130 133.6675 253 213 125 197.0006 215 245 125 195.0007 155 157 155 155.6678 163 188 101 150.6679 177 159 107 147.66710 157 171 106 144.66711 153 148 127 142.66712 187 143 108 146.00013 167 183 129 159.66714 152 176 195 174.33315 168 156 170 164.667

Jumlah 2335.333Rata-rata (X) 155.689

Std.Deviasi (Sx) 20.626Skewnes (Cs) 0.734Kurtosis (Ck) 4.147

KT 3.138R100 (Gumbel) 220.418

1.045 -1.068 1.0921250.015 -44194.986 1562538.27249.312 -346.277 2431.634484.978 -10680.299 235203.9241706.608 70501.869 2912510.5291545.363 60749.955 2388148.2140.000 0.000 0.00025.223 -126.674 636.18564.356 -516.279 4141.701121.489 -1339.083 14759.670169.578 -2208.286 28756.79093.875 -909.540 8812.43415.823 62.939 250.358347.615 6481.094 120836.40380.600 723.613 6496.440

5955.881 78196.978 7285523.646

(Xn-X)2 (Xn-X)3 (Xn-X)4

L = 11 km t = 4.21304 jamA = 40 Rn = 174.16541i = 0.0023 α = 0.51000R 215.505 β = 0.85208

qn = 11.48322Q100 = 199.60569

L = 11 km t = 4.21304208 jamA = 40 km² Rn = 165.534122i = 0.0023 α = 0.51R 204.825 β = 0.85207755

qn = 10.9141327 m³/s/km²Q50 = 189.713624 m³/s

L = 11 km t = 4.21304208 jamA = 40 km² Rn = 156.791302i = 0.0023 α = 0.51R 194.007 β = 0.85207755

qn = 10.3376939 m³/s/km²Q25 = 179.693743 m³/s

km²

m³/s/km²m³/s

Kemiringan (i)i1 = 0.001516i2 = 0.006765i = 0.004141

cara lain

= 0.51 → tabel ketentuan

= 109.9076 mmL = 11 km tg(tc) = 1.125108A = 40 tr = 0.7 → 0.5 - 1

α = 0.51 Tp = 1.685108 jamR 215.51 α = 1.913229 → 2

= 2.250216 jamQp100 = 226.0038

Ccibatarua= 0.51 → tabel ketentuanR0 = 104.4608 mm

L = 11 km tg(tc) = 1.125108A = 40 km² tr = 0.7 → 0.5 - 1α = 0.51 Tp = 1.685108 jamR 204.83 α = 1.913229 → 2

T0.3 = 2.250216 jamQp50 = 214.8035 m³/s

Ccibatar= 0.51 → tabel ketentuanR0 = 98.94357 mm

L = 11 km tg(tc) = 1.125108A = 40 km² tr = 0.7 → 0.5 - 1α = 0.51 Tp = 1.685108 jamR 194.01 α = 1.913229 → 2

T0.3 = 2.250216 jamQp25 = 203.4584 m³/s

Ccibatarua

R0

km²

T0.3

m³/s

tabel ketentuan

tabel ketentuan

tabel ketentuan

R100 220.418 mmtc 4.213042 jam

= 0.51I = 29.29405 mm/jamA = 40Q100 = 166.0129

αhaspers

km²m³/s

n i m h B b A P0.025 0.00233 1 1.50 30 27.00 42.75 31.24

0.025 0.00233 1 1.52 30 26.96 43.29 31.260.025 0.00233 1 1.54 30 26.92 43.83 31.280.025 0.00233 1 1.56 30 26.88 44.37 31.290.025 0.00233 1 1.58 30 26.84 44.90 31.310.025 0.00233 1 1.60 30 26.80 45.44 31.330.025 0.00233 1 1.62 30 26.76 45.98 31.340.025 0.00233 1 1.64 30 26.72 46.51 31.360.025 0.00233 1 1.66 30 26.68 47.04 31.380.025 0.00233 1 1.68 30 26.64 47.58 31.390.025 0.00233 1 1.70 30 26.60 48.11 31.410.025 0.00233 1 1.72 30 26.56 48.64 31.420.025 0.00233 1 1.74 30 26.52 49.17 31.440.025 0.00233 1 1.76 30 26.48 49.70 31.460.025 0.00233 1 1.78 30 26.44 50.23 31.470.025 0.00233 1 1.80 30 26.40 50.76 31.490.025 0.00233 1 1.82 30 26.36 51.29 31.510.025 0.00233 1 1.84 30 26.32 51.81 31.520.025 0.00233 1 1.86 30 26.28 52.34 31.540.025 0.00233 1 1.88 30 26.24 52.87 31.560.025 0.00233 1 1.90 30 26.20 53.39 31.570.025 0.00233 1 1.92 30 26.16 53.91 31.590.025 0.00233 1 1.94 30 26.12 54.44 31.610.025 0.00233 1 1.96 30 26.08 54.96 31.620.025 0.00233 1 1.98 30 26.04 55.48 31.640.025 0.00233 1 2.00 31 27.00 58.00 32.660.025 0.00233 1 2.02 32 27.96 60.56 33.670.025 0.00233 1 2.04 33 28.92 63.16 34.690.025 0.00233 1 2.06 34 29.88 65.80 35.710.025 0.00233 1 2.08 35 30.84 68.47 36.720.025 0.00233 1 2.10 36 31.80 71.19 37.740.025 0.00233 1 2.12 37 32.76 73.95 38.760.025 0.00233 1 2.14 38 33.72 76.74 39.770.025 0.00233 1 2.16 39 34.68 79.57 40.790.025 0.00233 1 2.18 40 35.64 82.45 41.810.025 0.00233 1 2.20 41 36.60 85.36 42.820.025 0.00233 1 2.22 42 37.56 88.31 43.840.025 0.00233 1 2.24 43 38.52 91.30 44.860.025 0.00233 1 2.26 44 39.48 94.33 45.870.025 0.00233 1 2.28 45 40.44 97.40 46.890.025 0.00233 1 2.30 46 41.40 100.51 47.910.025 0.00233 1 2.32 47 42.36 103.66 48.92

0.025 0.00233 1 2.34 48 43.32 106.84 49.940.025 0.00233 1 2.36 49 44.28 110.07 50.960.025 0.00233 1 2.38 50 45.24 113.34 51.970.025 0.00233 1 2.40 51 46.20 116.64 52.990.025 0.00233 1 2.42 52 47.16 119.98 54.000.025 0.00233 1 2.44 53 48.12 123.37 55.020.025 0.00233 1 2.46 54 49.08 126.79 56.040.025 0.00233 1 2.48 55 50.04 130.25 57.050.025 0.00233 1 2.50 56 51.00 133.75 58.070.025 0.00233 1 2.52 57 51.96 137.29 59.090.025 0.00233 1 2.54 58 52.92 140.87 60.10

1.50 30.00 27.00 42.75 31.242.00 31.00 27.00 58.00 32.662.50 56.00 51.00 133.75 58.072.54 58.00 52.92 140.87 60.10

R V Q1.37 2.3797438243 101.734048489 Q Nakayashu *1.2

1.38 2.3988789977 103.8465122579 Q =1.40 2.4178885788 105.97218778731.42 2.4367744188 108.11090857451.43 2.4555383157 110.26251031331.45 2.4741820167 112.42683083741.47 2.49270722 114.60371006461.48 2.5111155773 116.79298994531.50 2.529408695 118.9945144111.52 2.5475881366 121.20812932591.53 2.5656554238 123.43368244031.55 2.5836120388 125.67102334521.56 2.601459425 127.92000342921.58 2.6191989891 130.18047583661.60 2.6368321022 132.4522954271.61 2.6543601012 134.73531873641.63 2.6717842898 137.02940393991.64 2.68910594 139.33441081561.66 2.7063262931 141.65020070921.68 2.7234465607 143.97663650081.69 2.740467926 146.31358257171.71 2.7573915445 148.66090477351.72 2.7742185449 151.01847039711.74 2.7909500303 153.38614814351.75 2.8075870788 155.76380809511.78 2.831655281 164.23600629631.80 2.8554097733 172.92247370831.82 2.8788734238 181.82503925211.84 2.9020665428 190.94553107381.86 2.9250072392 200.28577569091.89 2.9477117193 209.84759729481.91 2.9701945373 219.63281717881.93 2.9924688074 229.64325327021.95 3.0145463836 239.88071974631.97 3.036438013 250.34702672031.99 3.0581534675 261.04397998512.01 3.0797016565 271.97338080452.04 3.1010907243 283.1370257452.06 3.1223281348 294.53670654012.08 3.1434207445 306.17420998342.10 3.1643748666 318.05131784482.12 3.1851963272 330.1698068065

2.14 3.2058905138 342.53144841622.16 3.2264624191 355.13800905412.18 3.2469166785 367.99124991142.20 3.2672576044 381.09292698062.22 3.2874892156 394.44479105252.24 3.3076152641 408.04858772182.26 3.3276392588 421.90605739882.28 3.3475644864 436.01893532562.30 3.3673940306 450.38895159772.32 3.3871307891 465.01783118932.34 3.4067774886 479.9072939809

1.37 2.38 101.731.78 2.83 164.242.30 3.37 450.392.34 3.41 479.91

100.00 150.00 200.00 250.00 300.00 350.00 400.00 450.001.50

1.70

1.90

2.10

2.30

2.50

2.70

GRAFIK LENGKUNG DEBIT SEBELUM ADA BENDUNG

Debit (Q) m³/det

Tinggi Muka Aair (h) m

Q Nakayashu *1.2

444 m3/s

B

b

100.00 150.00 200.00 250.00 300.00 350.00 400.00 450.001.50

1.70

1.90

2.10

2.30

2.50

2.70

GRAFIK LENGKUNG DEBIT SEBELUM ADA BENDUNG

Debit (Q) m³/det

Tinggi Muka Aair (h) m

n i m h B0.025 0.00233 1 1.5 30

0.025 0.00233 1 1.52 300.025 0.00233 1 1.54 300.025 0.00233 1 1.56 300.025 0.00233 1 1.58 300.025 0.00233 1 1.6 300.025 0.00233 1 1.62 300.025 0.00233 1 1.64 300.025 0.00233 1 1.66 300.025 0.00233 1 1.68 300.025 0.00233 1 1.7 300.025 0.00233 1 1.72 300.025 0.00233 1 1.74 300.025 0.00233 1 1.76 300.025 0.00233 1 1.78 300.025 0.00233 1 1.8 300.025 0.00233 1 1.82 300.025 0.00233 1 1.84 300.025 0.00233 1 1.86 300.025 0.00233 1 1.88 300.025 0.00233 1 1.9 300.025 0.00233 1 1.92 300.025 0.00233 1 1.94 300.025 0.00233 1 1.96 300.025 0.00233 1 1.98 300.025 0.00233 1 2 310.025 0.00233 1 2.02 320.025 0.00233 1 2.04 330.025 0.00233 1 2.06 340.025 0.00233 1 2.08 350.025 0.00233 1 2.1 360.025 0.00233 1 2.12 370.025 0.00233 1 2.14 380.025 0.00233 1 2.16 390.025 0.00233 1 2.18 400.025 0.00233 1 2.2 410.025 0.00233 1 2.22 420.025 0.00233 1 2.24 430.025 0.00233 1 2.26 440.025 0.00233 1 2.28 45

0.025 0.00233 1 2.3 460.025 0.00233 1 2.32 47

0.025 0.00233 1 2.34 480.025 0.00233 1 2.36 490.025 0.00233 1 2.38 500.025 0.00233 1 2.4 51

h 0.025 0.00233 1 2.42 520.025 0.00233 1 2.44 530.025 0.00233 1 2.46 540.025 0.00233 1 2.48 550.025 0.00233 1 2.5 560.025 0.00233 1 2.52 57

0.025 0.00233 1 2.54 580.025 0.00233 1 2.56 590.025 0.00233 1 2.58 600.025 0.00233 1 2.6 610.025 0.00233 1 2.62 620.025 0.00233 1 2.64 630.025 0.00233 1 2.66 640.025 0.00233 1 2.68 650.025 0.00233 1 2.7 660.025 0.00233 1 2.72 670.025 0.00233 1 2.74 680.025 0.00233 1 2.76 690.025 0.00233 1 2.78 700.025 0.00233 1 2.8 710.025 0.00233 1 2.82 720.025 0.00233 1 2.84 730.025 0.00233 1 2.86 740.025 0.00233 1 2.88 750.025 0.00233 1 2.9 760.025 0.00233 1 2.92 770.025 0.00233 1 2.94 780.025 0.00233 1 2.96 790.025 0.00233 1 2.98 800.025 0.00233 1 3 810.025 0.00233 1 3.02 820.025 0.00233 1 3.04 830.025 0.00233 1 3.06 840.025 0.00233 1 1.88 85

b A P R V Q27 42.75 31.24264 1.368322 2.379744 101.734

26.96 43.2896 31.25921 1.384859 2.398879 103.846526.92 43.8284 31.27578 1.401353 2.417889 105.972226.88 44.3664 31.29235 1.417804 2.436774 108.110926.84 44.9036 31.30891 1.434211 2.455538 110.2625

26.8 45.44 31.32548 1.450576 2.474182 112.426826.76 45.9756 31.34205 1.466898 2.492707 114.603726.72 46.5104 31.35862 1.483177 2.511116 116.79326.68 47.0444 31.37519 1.499414 2.529409 118.994526.64 47.5776 31.39176 1.515608 2.547588 121.2081

26.6 48.11 31.40833 1.531759 2.565655 123.433726.56 48.6416 31.42489 1.547868 2.583612 125.67126.52 49.1724 31.44146 1.563935 2.601459 127.9226.48 49.7024 31.45803 1.579959 2.619199 130.180526.44 50.2316 31.4746 1.595941 2.636832 132.4523

26.4 50.76 31.49117 1.61188 2.65436 134.735326.36 51.2876 31.50774 1.627778 2.671784 137.029426.32 51.8144 31.52431 1.643633 2.689106 139.334426.28 52.3404 31.54087 1.659447 2.706326 141.650226.24 52.8656 31.55744 1.675218 2.723447 143.9766

26.2 53.39 31.57401 1.690948 2.740468 146.313626.16 53.9136 31.59058 1.706635 2.757392 148.660926.12 54.4364 31.60715 1.722281 2.774219 151.018526.08 54.9584 31.62372 1.737886 2.79095 153.386126.04 55.4796 31.64029 1.753448 2.807587 155.7638

27 58 32.65685 1.776044 2.831655 164.23627.96 60.5596 33.67342 1.798439 2.85541 172.922528.92 63.1584 34.68999 1.820652 2.878873 181.82529.88 65.7964 35.70656 1.842698 2.902067 190.945530.84 68.4736 36.72313 1.864591 2.925007 200.2858

31.8 71.19 37.7397 1.886343 2.947712 209.847632.76 73.9456 38.75627 1.907965 2.970195 219.632833.72 76.7404 39.77283 1.929468 2.992469 229.643334.68 79.5744 40.7894 1.95086 3.014546 239.880735.64 82.4476 41.80597 1.972149 3.036438 250.347

36.6 85.36 42.82254 1.993343 3.058153 261.04437.56 88.3116 43.83911 2.014448 3.079702 271.973438.52 91.3024 44.85568 2.03547 3.101091 283.13739.48 94.3324 45.87225 2.056416 3.122328 294.536740.44 97.4016 46.88881 2.077289 3.143421 306.1742

41.4 100.51 47.90538 2.098094 3.164375 318.051342.36 103.6576 48.92195 2.118836 3.185196 330.1698

43.32 106.8444 49.93852 2.139519 3.205891 342.531444.28 110.0704 50.95509 2.160145 3.226462 355.13845.24 113.3356 51.97166 2.180719 3.246917 367.9912

46.2 116.64 52.98823 2.201244 3.267258 381.092947.16 119.9836 54.00479 2.221721 3.287489 394.444848.12 123.3664 55.02136 2.242155 3.307615 408.048649.08 126.7884 56.03793 2.262546 3.327639 421.906150.04 130.2496 57.0545 2.282898 3.347564 436.0189

51 133.75 58.07107 2.303212 3.367394 450.38951.96 137.2896 59.08764 2.323491 3.387131 465.017852.92 140.8684 60.1042 2.343736 3.406777 479.907353.88 144.4864 61.12077 2.363949 3.426337 495.059154.84 148.1436 62.13734 2.384132 3.445811 510.4748

55.8 151.84 63.15391 2.404285 3.465202 526.156356.76 155.5756 64.17048 2.424411 3.484513 542.105257.72 159.3504 65.18705 2.44451 3.503745 558.323258.68 163.1644 66.20362 2.464584 3.522901 574.81259.64 167.0176 67.22018 2.484635 3.541982 591.5733

60.6 170.91 68.23675 2.504662 3.56099 608.608761.56 174.8416 69.25332 2.524667 3.579926 625.9262.52 178.8124 70.26989 2.544652 3.598793 643.508863.48 182.8224 71.28646 2.564616 3.617592 661.376864.44 186.8716 72.30303 2.584561 3.636323 679.5256

65.4 190.96 73.3196 2.604488 3.65499 697.956966.36 195.0876 74.33616 2.624397 3.673592 716.672367.32 199.2544 75.35273 2.644289 3.692132 735.673668.28 203.4604 76.3693 2.664165 3.71061 754.962269.24 207.7056 77.38587 2.684025 3.729028 774.54

70.2 211.99 78.40244 2.70387 3.747386 794.408571.16 216.3136 79.41901 2.723701 3.765687 814.569372.12 220.6764 80.43558 2.743517 3.78393 835.024173.08 225.0784 81.45214 2.763321 3.802117 855.774474.04 229.5196 82.46871 2.783111 3.820249 876.822

75 234 83.48528 2.802889 3.838326 898.168475.96 238.5196 84.50185 2.822655 3.856351 919.815276.92 243.0784 85.51842 2.84241 3.874322 941.764177.88 247.6764 86.53499 2.862153 3.892242 964.016681.24 156.2656 86.55744 1.80534 2.862709 447.343

Perencanaan Elevasi Mercu Bendung

elevasi sawah tertinggi1 Kehilangan tinggi tekan pada alat ukur2 Kehilangan tinggi tekan ketinggian saluran3 Kehilangan tinggi tekan dari sungai ke saluran primer4 Kehilangan tinggi tekan karena eksploitasi5 Kehilangan tinggi tekan untuk bangunan lain

Total kehilangan tinggi tekan

P = (Elevasi Peil Mercu - Elevasi Dasar Bendung)P = 3.52 m

157.5040.40 m 1554040.15 m0.20 m0.10 m0.25 m

= 158.604 m h=1,92 m

= 158,604-155,084

320 155084155.084

t = 1.5Bt = 83B = 80 mn = 2 buah

= 0.01

= 0

= 1.855 m

= 79.9258 m

Kp

Ka

He

Be

g = 9.8 m/det2P = 2.3 mC = 1.7 - 2.2L = 79.93 m

= 1.8543 m

Qd = 444

q = 5.5552

V = 1.3372

= 0.0912 m

= 1.4657 m

= 1.7631 m

He

m3/det

m3/det/m

m2/detHa

Hc

Hd

Contoh Perhitungan

catatan

L = Be

Contoh Perhitungan

Tabel Kemiringan Upstream Face Untuk Downstream Maka dy/dx = 1/1 = 1

Y =

dy/dx =

=

=Rumus lengkung mercu ogee X =

= 3.115022 Y Y =

Y =3.115022

XKoordinatnya menjadi sbb : 0

X Y 0.10 0 0.2

2.4556 1.337 0.30.5 0.072 0.41 0.257 0.5

1.5 0.541 0.62 0.918 0.7

2.5 1.382 0.83 1.932 0.9

3.5 2.564 14 3.276 1.1

4.5 4.067 1.25 4.935 1.3

5.5 5.878 1.46 6.897 1.5

6.5 7.988 1.67 9.153 1.7

7.5 10.39 1.88 11.7 1.9

22.12.22.3

1.836X0.836

X0.836

X1.836

X1.836

Untuk Downstream Maka dy/dx = 1/1 = 1

3.115022

3.115022

2.11922.4556

1.34

Y Yurut0 1.481396

0.004683 1.3652960.01672 1.253527

0.035199 1.146120.059693 1.0431110.089918 0.9445380.125668 0.8504390.166778 0.7608570.213114 0.6758380.264562 0.5954290.321025 0.5196830.382416 0.4486580.448658 0.3824160.519683 0.3210250.595429 0.2645620.675838 0.2131140.760857 0.1667780.850439 0.1256680.944538 0.0899181.043111 0.0596931.14612 0.035199

1.253527 0.016721.365296 0.0046831.481396 0

X1.836

(1.836X0.836)/(3.890949) = 1

0 0.5 1 1.5 2 2.50

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

Lengkung Bendung

0 0.5 1 1.5 2 2.50

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

Lengkung Bendung

Perencanaan Kolam Olak Tipe Vlughter

Ele. dasar = 195.084 m p = 2.3Ele. dasar hilir = 194.854 m he = 1.855Ele. Hilir = 196.77 melv. Mercu = 197.384Ruang Olak Tipe VlughterZ = 2.47 mZ/He = 1.3288409704 <4/3D=L=R = 5.306 ma = 0.3218380623 m

1.333333

Pintu Intakeluas daerah irigasi (A) = 2000kebuuhan air normal (a) = 1.5koef reduksi lengkung C = 0.8

Q = 2400 2.4

g = 9.81π = 0.9

0.385*π*b*akar2*g*h = 1.535 h^2/5a = 1.196

Ym = 1.763079 mYn = 2.18 mSo = 0.004141

L = -201.3865 m

No Titik LV LH Keadaan NormalA1 A1-A2 2.4 ΔHNA2 A2-A3 1A3 A3-A4 1.4A4 A4-A5 2 Lw perluA5 A5-A6 1.4A6 A6-A7 1A7 A7-A8 1.4 LwA8 A8-A9 2A9 A9-A10 1.4A10 A10-A11 1A11 A11-A12 1.4A12 A12-A13 3 Keadaan BanjirA13 A13-A14 3 ΔHNA14 A14-A15 1.04A15 A15-A16 2.5A16 A16-A17 1A17 A17-A18 1 Lw perluA18 A18-A19 1A19 A19-A20 1A20 A20-A21 1 LwA21 A21-A22 1A22 A22-A23 1A23 A23-A24 1A24 A24-A25 2.77A25 A25-A26 2.494

Σ 21.394 17.81

Keadaan Normal CL Lempung Lunak= Ele. Mercu - Ele. Dasar Sungai= 4.306

= CL . ΔHN Lw =6,34 > 6 OK= 25.836 ΔHN

= Σ Lv + (1/3ΣLH)27.3306666667 > Lw perlu oke

6.3471125561

Keadaan Banjir= Ele m.a udik - Ele m.a hilir= 4.156

Lw =6,57> 6 OK= CL . ΔHN ΔHN= 24.936

= Σ Lv + (1/3ΣLH)27.3306666667 > Lw perlu oke 6.5761950594

6

0.4676

Akibat Berat Sendiri

Segmen Berat (ton) Jarak Ke Titik Px (m)

1 4.16 1 2.4 9.984 7.292 0.24 1 2.4 0.576 7.493 0.8 1 2.4 1.92 7.054 2.96 1 2.4 7.104 6.275 3.48 1 2.4 8.352 5.276 3.48 1 2.4 8.352 4.277 3.48 1 2.4 8.352 3.278 9.66 1 2.4 23.184 1.359 0.08 1 2.4 0.192 7.15

10 0.17 1 2.4 0.408 6.8511 0.55 1 2.4 1.32 6.4512 0.17 1 2.4 0.408 6.0613 0.18 1 2.4 0.432 5.6514 0.25 1 2.4 0.6 5.5115 0.11 1 2.4 0.264 5.0916 0.5 1 2.4 1.2 4.4417 0.49 1 2.4 1.176 3.4418 0.93 1 2.4 2.232 2.09

76.056 Σ M

Luas (m2) Panjang (m)

ϒ (ton/m3)

Akibat Berat Sendiri Akibat Gempa

Momen Segmen Berat (ton) fMx (tonm)72.78336 1 4.16 1 2.4 9.984 0.24.31424 2 0.24 1 2.4 0.576 0.213.536 3 0.8 1 2.4 1.92 0.2

44.54208 4 2.96 1 2.4 7.104 0.244.01504 5 3.48 1 2.4 8.352 0.235.66304 6 3.48 1 2.4 8.352 0.227.31104 7 3.48 1 2.4 8.352 0.231.2984 8 9.66 1 2.4 23.184 0.21.3728 9 0.08 1 2.4 0.192 0.22.7948 10 0.17 1 2.4 0.408 0.28.514 11 0.55 1 2.4 1.32 0.2

2.47248 12 0.17 1 2.4 0.408 0.22.4408 13 0.18 1 2.4 0.432 0.23.306 14 0.25 1 2.4 0.6 0.2

1.34376 15 0.11 1 2.4 0.264 0.25.328 16 0.5 1 2.4 1.2 0.2

4.04544 17 0.49 1 2.4 1.176 0.24.66488 18 0.93 1 2.4 2.232 0.2

309.74616 76.056

Luas (m2) Panjang (m)

ϒ (ton/m3)

Akibat Gempa

Jarak Ke Titik P Momeny (m) My (tonm)0.01 0.0199682.5 0.288

2.74 1.052161.98 2.8131841.25 2.0880.25 0.4176-0.74 -1.236096-1.75 -8.11443.66 0.1405443.66 0.298656 3.97 1.048083.66 0.2986563.66 0.3162243.23 0.38763.15 0.166322.27 0.54481.34 0.3151680.31 0.138384Σ M 0.982848

Air Normal∑L = 27.3306666667ΔH = 4.306

Titik Hx (m) Lx (m) Ux (m) Bidang BA13 6.7093 10 5.1338

A13-A 1.1747A 6.7093 11.1747 4.9487

A-B 1B 5.7093 11.6718 3.8704

B-D 0.8282D 5.7093 12.5 3.7399

D-C 1C 6.7093 12.5 4.7399

C-F 1F 6.7093 13.5 4.5823

F-E 1E 7.7093 13.5 5.5823

E-H 1H 7.7093 14.5 5.4248

H-G 1G 8.7093 14.5 6.4248

G-J 1J 8.7093 15.5 6.2672

J-I 1I 9.7093 15.5 7.2672

I-K 1.5K 9.8 17 7.1216

K-L 1.8L 7.8893 18.387 4.9924

Air Banjir∑L = 27.3306666667ΔH = 4.156Hd = 1.7630792806

Titik Hx (m) Lx (m) Ux (m) Bidang BA13 8.4723793 10 6.8969

A13-A 1.1747A 8.4723793 11.1747 6.7118

A-B 1B 7.4723793 11.6718 5.6335

B-D 0.8282D 7.4723793 12.5 5.5030

D-C 1C 8.4723793 12.5 6.5030

C-F 1F 8.4723793 13.5 6.3454

F-E 1E 9.4723793 13.5 7.3454

E-H 1H 9.4723793 14.5 7.1879

H-G 1G 10.472379 14.5 8.1879

G-J 1J 10.472379 15.5 8.0303

J-I 1I 11.472379 15.5 9.0303

I-K 1.5K 11.563079 17 8.8847

K-L 1.8L 9.6523793 18.387 6.7555

Resume Gaya-gaya yang Bekerja

No. Gaya2 yg bekerjaVertikal (ton) Horisontal (ton)

1 Berat Sendiri 76.0562 Gaya Gempa3 Gaya Hidrostatis

m.a normal 1.044983 3.645m.a banjir 4.7551 4.041

4 Gaya Lumpur 0.9254 3.2285 Gaya Uplift

m.a normal 36.3757 6.5810m.a banjir 47.8409 8.6614

Kontrol Stabilitas Bendung

m.a normal= 41.6507 t

= 1.7572 t

= 309.74616 tm

= 199.6901886882 tm

a. Eksentrisitas

a =

a = 2.642358876 mB = 8.3963

e = | a - B/2 |e = 1.555791124

B/6 = 1.399383333

e < B/6 => 1.555791124 < 1.3993833

b. Guling

FK guling =

= 1.551133594 > 1.5

c. Geserf = 0.6

FK geser = fΣ H

= 14.22169302 > 1.5

d. Daya Dukung Tanah

σt max = (1 + 6e/B)B

Σ V

Σ H

Σ MR

Σ MG

Σ MR -Σ MGΣ V

Σ MRΣ MG

Σ V

Σ V

= 10.47563334 t/m2= 1.047563334 kg/cm2 < σt ijin

Gaya Uplift (t) Jarak Ke titik P (m) Momen (tonm)

5.9219 7.8979 46.7709477752

4.4095 0.5687 2.5077080227 -

3.1514 6.37015 20.0750135041

4.2399 0.5967 2.529948656

4.6611 5.4703 25.4977497257

5.0823 0.4033 2.0497111864 -

5.5036 4.4703 24.6026206473

5.9248 1.4033 8.3142671162 -

6.3460 3.4703 22.0225954814

6.7672 1.9868 13.4451617253 -

10.7916 2.262 24.4107034001

11.0237 2.0617 22.7276614985

188.6372406882

Σ VΣ HΣ M

Σ M

Gaya Uplift (t) Jarak Ke titik P (m) Momen (tonm)

7.9930 7.8979 63.1282034122

6.1726 0.5687 3.5103712096 -

4.6116 6.37015 29.3765935289

6.0030 0.5967 3.5819780628

6.4242 5.4703 35.1423223144

6.8454 0.4033 2.7607610603 -

7.2667 4.4703 32.4841139554

7.6879 1.4033 10.7883962707 -

8.1091 3.4703 28.1410095089

8.5303 1.9868 16.94804764 -

13.4363 2.262 30.3928313992

14.2326 2.0617 29.3432533047

251.5903054865

Horisontal (ton) Momen (tonm)

309.7461615.2112 0.982848

10.070116.9358.9167

188.6372406882251.5903054865

Σ VΣ HΣ M

Σ M

Kontrol Stabilitas Bendung

m.a banjir

a.

TIDAK OKE

b.

OKE

c.

OKE

d.

Σ V

Σ H

Σ MR

Σ MG

1.7 kg/cm2 OKE

= 36.3757 ton= 6.5810 ton= 188.637241 tonm

negatif

= 47.8409 ton= 8.6614 ton= 251.590305 tonm

Kontrol Stabilitas Bendung

m.a banjir= 33.8956 t

= 0.7192 t

= 309.74616 tm

= 269.508153 tm

Eksentrisitas

a =

a = 1.1871144795 mB = 8.3963

e = | a - B/2 |e = 3.0110355205

B/6 = 1.3993833333

e < B/6 => 3.0110355205 < 1.399383 TIDAK OKE

Guling

FK guling =

= 1.1493016296 > 1.5 TIDAK OKE

Geserf = 0.6

FK geser = fΣ H

= 28.276558275 > 1.5 OKE

Daya Dukung Tanah

σt max = (1 + 6e/B)B

Σ MR -Σ MGΣ V

Σ MRΣ MG

Σ V

Σ V

= 12.7232788555 t/m2= 1.2723278856 kg/cm2 < σt ijin 1.7

kg/cm2 OKE