Hidrograf Satuan
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Tabel Hitungan Hidrograf Satuan t (jam)
QH
QHLL
U3(t)
0 1 2 3 4 5 6 7 8 9
5.0 11.0 27.0 47.0 56.5 48.5 33.5 18.5 8.0 5.0
0.0 6.0 22.0 42.0 51.5 43.5 28.5 13.5 3.0 0.0
0.0 6.0 12.0 18.0 13.5 9.0 4.5 0.0
Jumlah
260.0
210.0
Base Flow = P1 efektif = P2 efektif = P3 efektif =
5 3 5 2
mm. mm. mm. mm.
63.0
U5(t-1) U2(t-2) UH=U1(t) 0.0 10.0 20.0 30.0 22.5 15.0 7.5 0.0 105.0 210.0
0.0 4.0 8.0 12.0 9.0 6.0 3.0 0.0 42.0
0.0 2.0 4.0 6.0 4.5 3.0 1.5 0.0 0.0 0.0 21.0
Tabel Hitungan Hidrograf Satuan t (jam)
QH
QHLL
U3(t)
0 1 2 3 4 5 6 7 8 9
5.0 11.0 27.0 47.0 56.5 48.5 33.5 18.5 8.0 5.0
0.0 6.0 22.0 42.0 51.5 43.5 28.5 13.5 3.0 0.0
0.0 6.0 12.0 18.0 13.5 9.0 4.5 0.0
Jumlah
260.0
210.0
Base Flow P1 efektip P2 efektip P3 efektip Index
5
13 - 10 = 15 - 10 = 12 - 10 =
3 5 2
10
63.0
U5(t-1) U2(t-2) UH=U1(t) 0.0 10.0 20.0 30.0 22.5 15.0 7.5 0.0 105.0 210.0
0.0 4.0 8.0 12.0 9.0 6.0 3.0 0.0 42.0
0.0 2.0 4.0 6.0 4.5 3.0 1.5 0.0
5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0
21.0
mm. mm. mm. mm. mm.
QH - QBase Flow = QHLL 56,5 - 5 = 51,5 dan seterusnya. Perhatikan perbandingan 3:5:2 dan yang diberi warna sama secara diagonal! 6:10:4 = 3:5:2 12:20:8 = 3:5:2 dan seterusnya.
U3 (t) = QHLL - ( U5(t-1) + U2(t-2) ) U3(5) = 43,5 - (22,5 + 12,0) = 9,0 dan seterusnya. UH = U1(t) = U3(t)/P1 efektip U1(6) = 4,5/3 = 1,5 dan seterusnya.
57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 30.0 27.5 25.0 22.5 20.0 17.5 15.0 12.5 10.0 7.5 5.0 2.5 0.0
Column C Column D Column E Column F Column G Column H Column I
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
6.5
7
7.5
8
8.5
9
lumn C lumn D lumn E lumn F lumn G lumn H lumn I
HIDROGRAF QHLL 60.0 55.0 50.0
Q (m3/detik)
45.0 40.0 35.0 30.0 25.0 20.0 15.0 10.0 5.0 0.0 0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
t (jam) Column C
Column D
Column I
6.5
7
7.5
8
8.5
9
7.5
8
8.5
9
Q (m3/detik)
HIDROGRAF U3(t) 18.0 17.0 16.0 15.0 14.0 13.0 12.0 11.0 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
t (jam) Column E
5
5.5
6
6.5
7
7.5
8
8.5
9
HIDROGRAF U5(t-1) 30.0 27.5 25.0
Q (m3/detik)
22.5 20.0 17.5 15.0 12.5 10.0 7.5 5.0 2.5 0.0 0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
t (jam) Column F
5
5.5
6
6.5
7
7.5
8
8.5
9
7.5
8
8.5
9
HIDROGRAF U2(t-2) 12.0 11.0 10.0
Q (m3/detik)
9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
t (jam) Column G
5
5.5
6
6.5
7
7.5
8
8.5
9
8.5
9
HIDROGRAF SATUAN (UH) = U1(t) 6.0 5.5 5.0 4.5
Q (m3/detik)
4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
t (jam) Column H
5
5.5
6
6.5
7
7.5
8
8.5
9
7.5
8
8.5
9
Tabel Hitungan Hidrograf Banjir t (jam) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
U1(t) 0.0 1.5 3.0 4.5 6.0 5.0 4.0 3.0 2.0 1.0 0.0
Jumlah
30.0
U30(t) 0.0 45.0 90.0 135.0 180.0 150.0 120.0 90.0 60.0 30.0 0.0
U60(t-1) 0.0 90.0 180.0 270.0 360.0 300.0 240.0 180.0 120.0 60.0 0.0
U40 (t-2) 0.0 60.0 120.0 180.0 240.0 200.0 160.0 120.0 80.0 40.0 0.0
900.0
1,800.0
1,200.0 4,800.0
U20(t-3) 0.0 30.0 60.0 90.0 120.0 100.0 80.0 60.0 40.0 20.0 0.0 600.0
U10(t-4) 0.0 15.0 30.0 45.0 60.0 50.0 40.0 30.0 20.0 10.0 0.0 300.0
QHLL 10.000 0.0 45.0 180.0 375.0 600.0 765.0 780.0 695.0 560.0 400.0 240.0 110.0 40.0 10.0 0.0
QBF 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0
Q10.000 10.0 55.0 190.0 385.0 610.0 775.0 790.0 705.0 570.0 410.0 250.0 120.0 50.0 20.0 10.0
4,800.0
150.0
4,950.0
17280000
17820000 540000 17820000
HIDROGRAF SATUAN (UH) = U1(t) 6.0 5.5 5.0 4.5
Q (m3/detik)
4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
t (jam) Column C
5.5
6
6.5
7
7.5
8
8.5
9
9.5
10
8.5
9
9.5
10
Q (m3/detik)
HIDROGRAF SATUAN (UH) = U30(t) 180.0 170.0 160.0 150.0 140.0 130.0 120.0 110.0 100.0 90.0 80.0 70.0 60.0 50.0 40.0 30.0 20.0 10.0 0.0 0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
t (jam) Column D
6
6.5
7
7.5
8
8.5
9
9.5
10
8.5
9
9.5
10
HIDROGRAF SATUAN (UH) = U60(t-1) 375.0 350.0 325.0 300.0 275.0
Q (m3/detik)
250.0 225.0 200.0 175.0 150.0 125.0 100.0 75.0 50.0 25.0 0.0 Row 4
Row 5
Row 6
Row 7
Row 8
Row 9
t (jam) Column E
Row 10
Row 11
Row 12
Row 13
Row 14
2
Row 13
Row 14
HIDROGRAF SATUAN (UH) = U40(t-2) 240.0 220.0 200.0 180.0
Q (m3/detik)
160.0 140.0 120.0 100.0 80.0 60.0 40.0 20.0 0.0 Row 5
Row 6
Row 7
Row 8
Row 9
Row 10
t (jam) Column F
Row 11
Row 12
Row 13
Row 14
Row 15
3
Row 14
Row 15
HIDROGRAF SATUAN (UH) = U20(t-3) 120.0 110.0 100.0 90.0
Q (m3/detik)
80.0 70.0 60.0 50.0 40.0 30.0 20.0 10.0 0.0 Row 6
Row 7
Row 8
Row 9
Row 10
Row 11
t (jam) Column G
Row 12
Row 13
Row 14
Row 15
Row 16
4
Row 15
Row 16
HIDROGRAF SATUAN (UH) = U10(t-4) 60.0 55.0 50.0 45.0
Q (m3/detik)
40.0 35.0 30.0 25.0 20.0 15.0 10.0 5.0 0.0 Row 7
Row 8
Row 9
Row 10
Row 11
Row 12
t (jam) Column H
Row 13
Row 14
Row 15
Row 16
Row 17
Row 16
Row 17
800.0 750.0 700.0 650.0 600.0
Q (m3/detik)
550.0 500.0 450.0 400.0
Column I
350.0
Column J Column K
300.0 250.0 200.0 150.0 100.0 50.0 0.0 0
1
2
3
4
5
6
7
t (jam)
8
9
10
11
12
13
14
Column I Column J Column K
14
QH
QHLL
U3(t)
0 1 2 3 4 5 6 7 8 9
5.0 11.0 27.0 47.0 56.5 48.5 33.5 18.5 8.0 5.0
0.0 6.0 22.0 42.0 51.5 43.5 28.5 13.5 3.0 0.0
0.0 6.0 12.0 18.0 13.5 9.0 4.5 0.0
Jumlah
260.0
210.0
Base Flow = P1 efektif = P2 efektif = P3 efektif =
5 3 5 2
mm. mm. mm. mm.
63.0
U5(t-1) U2(t-2) UH=U1(t) 0.0 10.0 20.0 30.0 22.5 15.0 7.5 0.0 105.0 210.0
0.0 4.0 8.0 12.0 9.0 6.0 3.0 0.0 42.0
0.0 2.0 4.0 6.0 4.5 3.0 1.5 0.0 0.0 0.0 21.0
Tabel Hitungan Hidrograf Satuan t (jam)
QH
QHLL
U3(t)
0 1 2 3 4 5 6 7 8 9
5.0 11.0 27.0 47.0 56.5 48.5 33.5 18.5 8.0 5.0
0.0 6.0 22.0 42.0 51.5 43.5 28.5 13.5 3.0 0.0
0.0 6.0 12.0 18.0 13.5 9.0 4.5 0.0
Jumlah
260.0
210.0
Base Flow P1 efektip P2 efektip P3 efektip Index
5
13 - 10 = 15 - 10 = 12 - 10 =
3 5 2
10
63.0
U5(t-1) U2(t-2) UH=U1(t) 0.0 10.0 20.0 30.0 22.5 15.0 7.5 0.0 105.0 210.0
0.0 4.0 8.0 12.0 9.0 6.0 3.0 0.0 42.0
0.0 2.0 4.0 6.0 4.5 3.0 1.5 0.0
5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0
21.0
mm. mm. mm. mm. mm.
QH - QBase Flow = QHLL 56,5 - 5 = 51,5 dan seterusnya. Perhatikan perbandingan 3:5:2 dan yang diberi warna sama secara diagonal! 6:10:4 = 3:5:2 12:20:8 = 3:5:2 dan seterusnya.
U3 (t) = QHLL - ( U5(t-1) + U2(t-2) ) U3(5) = 43,5 - (22,5 + 12,0) = 9,0 dan seterusnya. UH = U1(t) = U3(t)/P1 efektip U1(6) = 4,5/3 = 1,5 dan seterusnya.
57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 30.0 27.5 25.0 22.5 20.0 17.5 15.0 12.5 10.0 7.5 5.0 2.5 0.0
Column C Column D Column E Column F Column G Column H Column I
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
6.5
7
7.5
8
8.5
9
lumn C lumn D lumn E lumn F lumn G lumn H lumn I
HIDROGRAF QHLL 60.0 55.0 50.0
Q (m3/detik)
45.0 40.0 35.0 30.0 25.0 20.0 15.0 10.0 5.0 0.0 0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
t (jam) Column C
Column D
Column I
6.5
7
7.5
8
8.5
9
7.5
8
8.5
9
Q (m3/detik)
HIDROGRAF U3(t) 18.0 17.0 16.0 15.0 14.0 13.0 12.0 11.0 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
t (jam) Column E
5
5.5
6
6.5
7
7.5
8
8.5
9
HIDROGRAF U5(t-1) 30.0 27.5 25.0
Q (m3/detik)
22.5 20.0 17.5 15.0 12.5 10.0 7.5 5.0 2.5 0.0 0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
t (jam) Column F
5
5.5
6
6.5
7
7.5
8
8.5
9
7.5
8
8.5
9
HIDROGRAF U2(t-2) 12.0 11.0 10.0
Q (m3/detik)
9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
t (jam) Column G
5
5.5
6
6.5
7
7.5
8
8.5
9
8.5
9
HIDROGRAF SATUAN (UH) = U1(t) 6.0 5.5 5.0 4.5
Q (m3/detik)
4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
t (jam) Column H
5
5.5
6
6.5
7
7.5
8
8.5
9
7.5
8
8.5
9
Tabel Hitungan Hidrograf Banjir t (jam) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
U1(t) 0.0 1.5 3.0 4.5 6.0 5.0 4.0 3.0 2.0 1.0 0.0
Jumlah
30.0
U30(t) 0.0 45.0 90.0 135.0 180.0 150.0 120.0 90.0 60.0 30.0 0.0
U60(t-1) 0.0 90.0 180.0 270.0 360.0 300.0 240.0 180.0 120.0 60.0 0.0
U40 (t-2) 0.0 60.0 120.0 180.0 240.0 200.0 160.0 120.0 80.0 40.0 0.0
900.0
1,800.0
1,200.0 4,800.0
U20(t-3) 0.0 30.0 60.0 90.0 120.0 100.0 80.0 60.0 40.0 20.0 0.0 600.0
U10(t-4) 0.0 15.0 30.0 45.0 60.0 50.0 40.0 30.0 20.0 10.0 0.0 300.0
QHLL 10.000 0.0 45.0 180.0 375.0 600.0 765.0 780.0 695.0 560.0 400.0 240.0 110.0 40.0 10.0 0.0
QBF 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0
Q10.000 10.0 55.0 190.0 385.0 610.0 775.0 790.0 705.0 570.0 410.0 250.0 120.0 50.0 20.0 10.0
4,800.0
150.0
4,950.0
17280000
17820000 540000 17820000
HIDROGRAF SATUAN (UH) = U1(t) 6.0 5.5 5.0 4.5
Q (m3/detik)
4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
t (jam) Column C
5.5
6
6.5
7
7.5
8
8.5
9
9.5
10
8.5
9
9.5
10
Q (m3/detik)
HIDROGRAF SATUAN (UH) = U30(t) 180.0 170.0 160.0 150.0 140.0 130.0 120.0 110.0 100.0 90.0 80.0 70.0 60.0 50.0 40.0 30.0 20.0 10.0 0.0 0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
t (jam) Column D
6
6.5
7
7.5
8
8.5
9
9.5
10
8.5
9
9.5
10
HIDROGRAF SATUAN (UH) = U60(t-1) 375.0 350.0 325.0 300.0 275.0
Q (m3/detik)
250.0 225.0 200.0 175.0 150.0 125.0 100.0 75.0 50.0 25.0 0.0 Row 4
Row 5
Row 6
Row 7
Row 8
Row 9
t (jam) Column E
Row 10
Row 11
Row 12
Row 13
Row 14
2
Row 13
Row 14
HIDROGRAF SATUAN (UH) = U40(t-2) 240.0 220.0 200.0 180.0
Q (m3/detik)
160.0 140.0 120.0 100.0 80.0 60.0 40.0 20.0 0.0 Row 5
Row 6
Row 7
Row 8
Row 9
Row 10
t (jam) Column F
Row 11
Row 12
Row 13
Row 14
Row 15
3
Row 14
Row 15
HIDROGRAF SATUAN (UH) = U20(t-3) 120.0 110.0 100.0 90.0
Q (m3/detik)
80.0 70.0 60.0 50.0 40.0 30.0 20.0 10.0 0.0 Row 6
Row 7
Row 8
Row 9
Row 10
Row 11
t (jam) Column G
Row 12
Row 13
Row 14
Row 15
Row 16
4
Row 15
Row 16
HIDROGRAF SATUAN (UH) = U10(t-4) 60.0 55.0 50.0 45.0
Q (m3/detik)
40.0 35.0 30.0 25.0 20.0 15.0 10.0 5.0 0.0 Row 7
Row 8
Row 9
Row 10
Row 11
Row 12
t (jam) Column H
Row 13
Row 14
Row 15
Row 16
Row 17
Row 16
Row 17
800.0 750.0 700.0 650.0 600.0
Q (m3/detik)
550.0 500.0 450.0 400.0
Column I
350.0
Column J Column K
300.0 250.0 200.0 150.0 100.0 50.0 0.0 0
1
2
3
4
5
6
7
t (jam)
8
9
10
11
12
13
14
Column I Column J Column K
14
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