4. SNYDER CIPERO.xls

Tabel nilai Y untuk berbagai nilai X dan

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

X (t/Tp) 0.1 0.2 0.3 0. 0 .4 0. 0 .5 0. 0 .6 0. 0 .7 0. 0 .8 0. 0 .9 1. 1 .0 1.1 1. 1 .2 1. 1 .3 1. 1 .4 1. 1 .5 1. 1 .6 1. 1 .7 1. 1 .8 19

l

l

0.5 0.00 0.03 0.18 0.39 0.59 0.75 0.87 0.95 0.99 1.00 0.99 0.96 0.93 0.89 0.84 0.79 0.74 0.60 0 64

0.6 0.00 0.001 0.01 0.28 0.49 0.69 0.83 0.93 0.98 1.00 0.99 0.95 0.91 0.85 0.79 0.73 0.66 0.60 0 50

0.7 0.000 0.003 0.03 0.10 0.40 0.61 0.79 0.91 0.98 1.00 0.98 0.94 0.88 0.81 0.71 0.66 0.59 0.52 0 46

0.8

0.9

1.0

1.1

1.2

0.000 0.02 0.10 0.31 0.54 0.69 0.89 0.93 1.00 0.98 0.92 0.85 0.77 0.68 0.59 0.54 0.44 0 37

0.000 0.01 0.08 0.24 0.47 0.60 0.87 0.87 1.00 0.97 0.91 0.82 0.72 0.62 0.52 0.44 0.30 0 29

0.000 0.003 0.04 0.18 0.39 0.61 0.84 0.96 1.00 0.97 0.89 0.78 0.67 0.57 0.46 0.37 0.29 0 28

0.000 0.003 0.02 0.13 0.33 0.59 0.81 0.96 1.00 0.96 0.87 0.70 0.62 0.50 0.30 0.30 0.23 0 47

0.000 0.01 0.01 0.27 0.51 0.78 0.95 1.00 0.96 0.85 0.71 0.57 0.44 0.34 0.25 0.18 0 13

i!tribu!i "u#an gr$!! (%%) t 2 5 10 20 50 100

t

&t 79.68 106.96 125.03 142.35 164.78 181.59

k$e'i!ien 

2 5 10 20 50 100

0.75

0.5500

0.1400

0.1000

0.0800

0.0700

0.0600

43.82 58.83 68.76 78.29 90.63 99.87

11.16 14.97 17.50 19.93 23.07 25.42

7.97 10.70 12.50 14.24 16.48 18.16

6.37 8.56 10.00 11.39 13.18 14.53

5.58 7.49 8.75 9.96 11.53 12.71

4.78 6.42 7.50 8.54 9.89 10.90

i!tribu!i "u#an nett$ (%) 0.5500

0.1400

0.1000

0.0800

0.0700

0.0600

32.84 44.08 51.53 58.67 67.91 74.84

8.36 11.22 13.12 14.93 17.29 19.05

5.97 8.02 9.37 10.67 12.35 13.61

4.78 6.41 7.50 8.53 9.88 10.89

4.18 5.61 6.56 7.47 8.64 9.53

3.58 4.81 5.62 6.40 7.41 8.16

*

Unit Hidrograf Satuan Metode Snyder Aleksejev

Perhitungan Hidrograf Satuan Metode Snyder Alexsejev Daerah Aliran Sungai (DAS) Bendung Cipero

t Luas Daerah Aliran Sungai

=

115.60 %m*

Panjang sungai uama (L)

=

!".#$ %m

Panjang sungai dari &agian hilir %e ii% &era (L')

=

1!.!6 %m

X

Y

(jam) 0

Qt (m!2d2mm)

0.000

0.000

0.000

oeisien n

=

0.!0

1

0.1#6

0.*5#

1.!#5

oeisien C (0+$5 , !+00)

=

0.$5

*

0.!$*

0.66#

!.5"0

oeisien Cp (0+" , 1+-)

=

0."0

!

0.55#

0.#$5

-.$0-

 &ase lo/

=

-

0.$-!

0."6$

5.1"#

5

0."*"

0.""#

5.!65

6

1.115

0.""5

5.!5*

$

1.!01

0."$-

5.*!5

*6.01 m!2de

1. enghiung /a%u dari ii% &era hujan %e de&i pun'a% ime lag

p = C . (L . L')

=

n

-."! jam

*. enghiung durasi sandar dari hujan ee%i

r = p25+5

=

0."0 jam

#

1.-#$

0."-1

5.060

"

1.6$!

0."0*

-.#50

!. enghiung /a%u unu% men'apai pun'a% (p)

10

1.#5"

0.#60

-.6*!

a

11

*.0-5

0.#16

-.!##

& '

3i%a

e = r 4 1 jam

ma%a %ore%si

p = p 0.*57(e , r)

=

-."1 jam

1*

*.*!0

0.$$*

-.15!

ime rise o pea%

p = p  0+5

=

5.-1 jam

1!

*.-16

0.$*"

!."*1

3i%a

e = r 8 1 jam

1-

*.60*

0.6#$

!.6"-


p = p  0+5 r

=

5.!# jam

15

*.$##

0.6-$

!.-$6

3i%a

e = r

16

*."$-

0.60#

!.*66

=

-."! jam

1$

!.160

0.5$0

!.066

1#

!.!-6

0.5!5

*.#$6

1"

!.5!*

0.50*

*.6"6

*0

!.$1$

0.-$0

*.5*6


Digunakan T !

p = p

"#$% ja&

-. De&i ma%simum hidrogra sauan

Tabel Perhitungan Hidrograf +er"itungan ,idr$gra' -atuan et$de -nder le!e#e aera" liran -ungai (-) endung iper$ +eri$de ulang aktu

,

2 t" 1

(#a%)

%3/det

32.84

0 1 2 3 4 5 6 7 8 9 10 11

0.00 1.39 3.59 4.70 5.20 5.37 5.35 5.24 5.06 4.85 4.62 4.39

0.00 45.49 117.89 154.48 170.70 176.18 175.75 171.93 166.15 159.28 151.82 144.11

2 8.36 0.00 11.58 30.01 39.32 43.45 44.85 44.74 43.76 42.29 40.54 38.64

3 5.97

0.00 8.27 21.44 28.09 31.04 32.03 31.95 31.26 30.21 28.96

4 4.78

0.00 6.62 17.15 22.47 24.83 25.63 25.56 25.01 24.17

5 4.18

0.00 5.79 15.00 19.66 21.73 22.42 22.37 21.88

6 3.58

0.00 4.96 12.86 16.85 18.62 19.22 19.17

  26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008

%3/det 26.008 71.496 155.480 218.772 264.083 296.668 320.074 332.055 332.084 325.446 315.175 302.948


,

 t" 1

(#a%)

%3/det

44.08

0 1 2 3 4 5 6 7 8 9 10 11 12

0.00 1.39 3.59 4.70 5.20 5.37 5.35 5.24 5.06 4.85 4.62 4.39 4 15

0.00 61.06 158.26 207.38 229.15 236.51 235.92 230.80 223.05 213.81 203.80 193.46 183 07

2 11.22 0.00 15.54 40.28 52.79 58.33 60.20 60.05 58.75 56.78 54.43 51.88 49 24

3 8.02

0.00 11.10 28.77 37.71 41.66 43.00 42.89 41.96 40.55 38.88 37 06

4 6.41

0.00 8.88 23.02 30.16 33.33 34.40 34.32 33.57 32.44 31 10

5 5.61

0.00 7.77 20.14 26.39 29.16 30.10 30.03 29.37 28 39

6 4.81

0.00 6.66 17.26 22.62 25.00 25.80 25.74 25 18

  26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26 008

%3/det 26.008 87.071 199.812 284.776 345.602 389.344 420.765 436.847 436.886 427.976 414.189 397.774 380 046


,

$0 t" 1

(#a%)

%3/det

51.53

0 1 2 3 4 5 6 7 8 9 10 11

0.00 1.39 3.59 4.70 5.20 5.37 5.35 5.24 5.06 4.85 4.62 4.39

0.00 71.38 184.99 242.40 267.85 276.45 275.76 269.77 260.71 249.92 238.22 226.13

2 13.12 0.00 18.17 47.09 61.70 68.18 70.37 70.19 68.67 66.36 63.62 60.64

3 9.37

0.00 12.98 33.63 44.07 48.70 50.26 50.14 49.05 47.40 45.44

4 7.50

0.00 10.38 26.91 35.26 38.96 40.21 40.11 39.24 37.92

5 6.56

0.00 9.08 23.54 30.85 34.09 35.18 35.10 34.33

6 5.62

0.00 7.79 20.18 26.44 29.22 30.16 30.08

  26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008

%3/det 26.008 97.384 229.163 328.477 399.575 450.703 487.431 506.229 506.275 495.860 479.744 460.558

Tabel Perhitungan Hidrograf +er"itungan ,idr$gra' -atuan et$de -nder le!e#e aera" liran -ungai (-) endung iper$ +eri$de ulang

20 t"

aktu

,

1

2

3

4

5

6

(#a%)

%3/det

58.67

14.93

10.67

8.53

7.47

6.40

0 1 2 3 4 5 6 7 8 9 10 11 12

0.00 1.39 3.59 4.70 5.20 5.37 5.35 5.24 5.06 4.85 4.62 4.39 4 15

0.00 81.27 210.62 276.00 304.97 314.76 313.98 307.16 296.85 284.56 271.24 257.47 243 65

0.00 20.69 53.61 70.25 77.63 80.12 79.92 78.19 75.56 72.43 69.04 65 54

0.00 14.78 38.30 50.18 55.45 57.23 57.09 55.85 53.97 51.74 49 32

0.00 11.82 30.64 40.15 44.36 45.78 45.67 44.68 43.18 41 39

0.00 10.34 26.81 35.13 38.81 40.06 39.96 39.09 37 78

0.00 8.87 22.98 30.11 33.27 34.34 34.25 33 51

 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26 008

 %3/det 26.008 107.276 257.318 370.395 451.346 509.561 551.378 572.782 572.834 560.976 542.626 520.781 497 186


0 t"

aktu

,

1

2

3

4

5

6

(#a%)

%3/det

67.91

17.29

12.35

9.88

8.64

7.41

0 1 2 3 4 5 6 7 8 9 10 11 12

0.00 1.39 3.59 4.70 5.20 5.37 5.35 5.24 5.06 4.85 4.62 4.39 4.15

0.00 94.07 243.81 319.48 353.02 364.36 363.45 355.55 343.62 329.39 313.97 298.04 282.03

0.00 23.95 62.06 81.32 89.86 92.75 92.51 90.50 87.47 83.85 79.92 75.86

0.00 17.10 44.33 58.09 64.18 66.25 66.08 64.65 62.48 59.89 57.09

0.00 13.68 35.46 46.47 51.35 53.00 52.87 51.72 49.98 47.91

0.00 11.97 31.03 40.66 44.93 46.37 46.26 45.25 43.73

0.00 10.26 26.60 34.85 38.51 39.75 39.65 38.79

 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008

 %3/det 26.008 120.079 293.762 424.654 518.360 585.746 634.152 658.928 658.988 645.262 624.021 598.734 571.422


$00 t"

aktu

,

1

2

3

4

5

6

(#a%)

%3/det

74.84

19.05

13.61

10.89

9.53

8.16

0 1 2 3 4 5 6 7 8 9 10 11 12

0.00 1.39 3.59 4.70 5.20 5.37 5.35 5.24 5.06 4.85 4.62 4.39 4.15

0.00 103.67 268.68 352.07 389.02 401.52 400.52 391.82 378.66 362.99 345.99 328.43 310.80

0.00 26.39 68.39 89.62 99.02 102.20 101.95 99.74 96.39 92.40 88.07 83.60

0.00 18.85 48.85 64.01 70.73 73.00 72.82 71.24 68.85 66.00 62.91

0.00 15.08 39.08 51.21 56.59 58.40 58.26 56.99 55.08 52.80

0.00 13.19 34.20 44.81 49.51 51.10 50.98 49.87 48.19

0.00 11.31 29.31 38.41 42.44 43.80 43.69 42.74

 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008 26.008

 %3/det 26.008 129.674 321.071 465.314 568.577 642.836 696.179 723.483 723.549 708.422 685.015 657.149 627.051

Tabel Hasil Perhitungan Hidrograf Perhitungan Hidrograf &atuan 'etode &n(der )le*seje+ aera" liran -ungai (-) endung iper$ ,)' -

2 thn

 thn

-ala lang $0 thn 20 thn

0 thn

0

26.01

26.01

26.01

26.01

26.01

26.01

1

71.50

87.07

97.38

107.28

120.08

129.67

2

155.48

199.81

229.16

257.32

293.76

321.07

3

218.77

284.78

328.48

370.40

424.65

465.31

4

264.08

345.60

399.57

451.35

518.36

568.58

5

296.67

389.34

450.70

509.56

585.75

642.84

6

320.07

420.76

487.43

551.38

634.15

696.18

7

332.05

436.85

506.23

572.78

658.93

723.48

8

332.08

436.89

506.28

572.83

658.99

723.55

9

325.45

427.98

495.86

560.98

645.26

708.42

10

315.18

414.19

479.74

542.63

624.02

685.02

$00 thn

11

302.95

397.77

460.56

520.78

598.73

657.15

12

289.74

380.05

439.84

497.19

571.42

627.05

13

276.15

361.80

418.51

472.91

543.32

596.08

14

262.55

343.55

397.17

448.61

515.19

565.09

15

249.18

325.60

376.19

424.72

487.54

534.61

16

236.19

308.16

355.81

401.51

460.67

505.01

17

223.67

291.35

336.17

379.15

434.79

476.48

18

211.69

275.26

317.36

357.74

410.00

449.17

19

200.26

259.93

299.43

337.32

386.37

423.13

20

189.41

245.36

282.40

317.94

363.93

398.40

21

179.13

231.56

266.28

299.57

342.68

374.97

22

169.42

218.52

251.04

282.22

322.59

352.84

23

160.26

206.22

236.66

265.85

303.64

331.96

24

151.63

194.64

223.12

250.44

285.80

312.29

25

143.51

183.74

210.38

235.93

269.01

293.79

26

135.88

173.50

198.41

222.31

253.23

276.41

27

128.72

163.89

187.17

209.51

238.42

260.09

28

122.00

154.87

176.63

197.51

224.53

244.77

29

115.70

146.41

166.75

186.25

211.50

230.42

30

109.80

138.49

157.48

175.71

199.29

216.97

31

104.27

131.07

148.81

165.83

187.86

204.37

32

99.10

124.12

140.69

156.58

177.16

192.57

33

94.25

117.62

133.09

147.93

167.14

181.54

34

89.72

111.54

125.98

139.84

157.77

171.21

35

85.49

105.85

119.33

132.27

149.01

161.56

36

81.52

100.53

113.12

125.19

140.82

152.53

Hidrograf &atuan 'etode &n(der )le*seje+ D)& endung 1iero 800.00

ala  lang 2 Ta"un

700.00




kala lang 50 ta"un

600.00 ) t e d / 3 % ( t i b e 


500.00

400.00

300.00

200.00

100.00

4. SNYDER CIPERO.xls

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