Hitungan Siltfence
4
1. DEBIT RUNOFF Area Silt Fence c = 0.3 p = i = 5.95833333 mm/day l = A = 4500000 mm2 A = Q = 8043750 mm3/day A = Q = 0.00804375 m3/day A = Q = 2.93596875 m3/tahun Q = 2.93596875 m3/area siltfence 2. DEBIT TANAH TEREROSI Faktor Erosivitas R = 1544.47621 unit/bulan K = 0.3 L = 12 (Rain)m (Rain)m S = C = 1 P = 1 mm/day cm/day A = 5560.11436 ton/Ha/tahun 11.8 1.18 A = 5560114.36 kg/ha/tahun 3 0.3 A = 2502.05146 kg/area Silt Fence 3.4 0.34 A = 1.25102573 m3/Area Silt Fence 175.2 17.52 185.2 18.52 451.4 45.14 256 25.6 225.2 22.52 284.2 28.42 252.2 25.22 222.8 22.28 98 9.8 Rm = 2,21 (Rain)m 1,36
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Transcript of Hitungan Siltfence
HITUNGAN SEDIMENTASI DAN EROSI
1. DEBIT RUNOFF Area Silt Fencec = 0.3 p = 1000i = 5.958333333 mm/day l = 4500A = 4500000 mm2 A = 4500000Q = 8043750 mm3/day A = 4.5Q = 0.00804375 m3/day A = 0.00045Q = 2.93596875 m3/tahunQ = 2.93596875 m3/area siltfence
2. DEBIT TANAH TEREROSI Faktor Erosivitas
R = 1544.476211 unit/bulanK = 0.3L = 12
(Rain)m (Rain)mS =C = 1P = 1 mm/day cm/day
A = 5560.114359 ton/Ha/tahun 11.8 1.18 1.2524474992A = 5560114.359 kg/ha/tahun 3 0.3 0.1944844605A = 2502.051462 kg/area Silt Fence 3.4 0.34 0.2305745274A = 1.251025731 m3/Area Silt Fence 175.2 17.52 49.114121299
185.2 18.52 52.965336524451.4 45.14 177.9113743
256 25.6 82.263342721225.2 22.52 69.102379961284.2 28.42 94.826285765252.2 25.22 80.607102786222.8 22.28 68.102750705
98 9.8 22.287813394
Rm = 2,21 (Rain)m1,36
(Rain)m1,36
HITUNGAN SEDIMENTASI DAN EROSI
Intensitas Hujan Faktor Erodibilitas tanahmmmmmm2
Bulan im2Ha
mm/day
Juli 0.4Agustus 0.1September 0.1Oktober 5.7
November 6.2Desember 14.6
Rm
Januari 8.3Februari 8Maret 9.2April 8.4Mei 7.2
2.7679089733 Juni 3.30.4298106576 Rata-rata 5.9583330.5095697056108.54220807 Faktor Panjang Lereng (L) dan Kemiringan Lereng (S) 117.05339372
393.1841372181.80198741152.71625971209.56609154178.14169716150.5070790649.2560676011544.4762108
HITUNGAN SEDIMENTASI DAN EROSI
Faktor Panjang Lereng (L) dan Kemiringan Lereng (S)
