Exercise Hidrologi

7/24/2019 Exercise Hidrologi

1/73

Hitung Parameter Statistik Data Tesebut

Hitung hujan rancangan dengan distribusi hujan mengikuti distribusi Gumbe

kala ulang 5 tahun dan 20 tahun (Ganjil)

kala ulang 10 tahun dan 50 tahun (Genap)

No TahunTinggi Hujan Tinggi Hujan

(mm) (mm)

1 2

1 1!!! 11"#10 1$%"12#&1

2 2000 '$#'0 "%022#&&

$ 2001 101#0 10%$22#5

& 2002 '#00 &%2

5 200$ '"#"0 "%!1#2!

200& 11'#20 1$%!"1#2&

" 2005 10'#00 11%

' 200 1$2#10 1"%&50#&1

! 200' 1$!#00 1!%$21#0010 200! "$#00 5%$2!#00

11 2010 0#20 $%2&

12 2011 '#50 "%&'2#25

1,175.20 122,214.64

1%1"5#20

12#00

122%21&

12#00

0#00 10%1'7

n 12#00

1#00&

1

*

a *+

2

,rata-rata

(,rata-rata

)2

(102#&$)

2

*

*+


2/73

#

"!$

$$#1

1

a

2$#00

dr Tabel

dr Tabel

dr Tabel

dr Tabel

dr Tabel

,T

T5

.T

T20

.T

T10

.T

T50

.T

T100 .T


3/73

ll untuk

!"#!$

10%&!1#!0

10%1'7

- 10%&!1#!0 2$#11

% . 0#&&'

2$#11

2$#001#00&


4/73

# #

0#&5

/ b

/ $$#1

0#2!$5 2$#00 0#2!$5 /

0#&!$$ 2$#00 0#&!$$ /

0#&2"1 2$#00 0#&2"1 /

$#!01! 2$#00 $#!01! /

2$#00 /

,T

.T


5/73


6/73

$$#1 &0#$ mm2&jam

$$#1 &! mm2&jam

$$#1 &$#&& mm2&jam

$$#1 12$#$" mm2&jam

$$#1 1$!#&& mm2&jam


7/73

Diketahui 110 mm

120 mm

3 10! mm

D $01 mm

Ditan+a

SD

4

nalisa Perhitungan

Prata-rata

Prata-rata

2

36

( )

10

4,25

176744100.100

)(.1

1800

3

221800

22

22

222

=

=

==

=

+==

+==

E

CN

pC

ppn

n

n

pp

n

pp

v

v


8/73

7P

4

1%'00#00

1%"#"

$%2&0%000#00

$%25%#"

SD $#00

2#00

1#$$

1#$$

1#$$

1'0%"&0#"&

&25#1&

100#00

Prata-rata

Prata-rata

2

36


9/73

2

4 2

10#00

2#&0&$10025

5#"!0!101!"


10/73

2

= EC

N

v

47,6

4,25

449)1767667.256.3.(2

3

667.256.33

13002200

176713000

5.05.0

22

=

=

=

=

=+

=+

mm


11/73

2%200#00 1%$00#00

2#00

&%'&0%000#00 1%!0%000#00

2#00

( $%25%#" -

( $%25%#" -

$%25%#" $%121%111#11

1$5%555#5

, &25#1&

1%"#"


12/73


13/73


14/73

1%"#" ) 0#5

1%"#" ) 0#5


15/73


16/73

Pada sebuah DS terdapat " stasiun pengukur curah hujan% dengan curah

hujan masing-masing adalah

1.00 2.00 3.00 4.00 5.00

0#00 52#00 &'#00 50#00

STALuas

1 #5 "#$&

2 0#00 10#52 11#0$$ 52#00 '#02 "#2!

& &'#00 !#0' "#2

5 50#00 #$2 5#52

&0#00 "#&2 5#1!

" $#00 !#2' 5#'&

57.20 49.84

STALuas

1-2 2#00 #5 '#&!

2-$ 5#00 10#52 12#2!

$-& 50#00 '#02 '#$"

&-5 &!#00 !#0' !#2'

5- &5#00 #$2 5#!$

-" $'#00 "#&2 5#''

47.92 50.25

1-2 55 1"#!& 2'#''

2-$ &5 1#22 21#$"

$ 50.25

u!ah Hujan(mm)

"o#um$ H(mm%&m2)(&m2)

u!ah Hujan

(mm)

"o#um$ H

(mm%&m2

)(&m2)


17/73

6.00 7.00'aa!aa H

(mm)

&0#00 $#00 50#00


18/73

Diketahui 110 mm

120 mm

3 10! mm

D $01 mm

Ditan+a

SD

4

nalisa Perhitungan

7P

4

110#00 120#00

10#00

12%100#00 1&%&00#00

$2%2&5#50

SD

($#00

1#$$ (

&2%"'0#" 0#50

Prata-rata

Prata-rata

2

36

Prata-rata

Prata-rata

2


19/73

20#'$

100#00 ,

10#00

12!#2"

4 12!#2"

10#00

12#!2"1"!'

1"#111!"!2

36


20/73

10!#00 888

11%''1#00 !0%01#00

$2%2&5#50 - 10#00 ) 0#5

$2%0'5#50 ) 0#50


21/73

20#'$


22/73

Pada sebuah DS terdapat " (tujuh) stasiun pengukur curah hujan% dengan cur

1#00 2#00 $#00 2 $

Sasiun H (mm)

Sta 1#00 #5 &1!#'&

Sta 2#00 0#00 10#52 $1#20

Sta $#00 52#00 '#02 &1"#0&Sta &'#00 !#0' &$5#'&

Sta 5#00 50#00 #$2 $1#00

Sta #00 &0#00 "#&2 2!#'0

Sta "#00 $#00 !#2' $$'

57.20 2,850.80

49.84 mm

1-2 0#00 1"#!& 1%0"#&02-$

$-&50#00 1#22 '11#00

&-5

5-0#00 22#& 1%$5'#&0

-"

56.80 3,245.80 57.14 mm

A (&m2) H. 'aa2


23/73

ah hujan masing-masing adalah

12!#!0

'$!#"0 0#15 2$#20

150#00

0#1'


24/73

*A+'AHS-H+T L/ASAN ANTA'A 2 '+'ATA *A' 2

mm S-H+T S-H+T

1 2 $ &

1

15#00

1 1"#50

20#00

50#00 22#50

2

25#00

!5#00 2"#50

$0#00

111#00 $2#50

$

$5#00

1&0#00 $"#50

&0#00

"0#00 &2#50

&

&5#00

/LAH 480.00


25/73

L/ASAN '+'ATA 9ata-9ata 3urah Hujan

5$& $0#00 5$#00

2&5#00

1%125#00

2%12#50

$%0"#50

5%250#00

2%!"5#00

15,815.00 32.95 mm

757$


26/73

&2#00 1 "0#00 55#00 15#00 2"!#00

$!#'mm


27/73

:s;h+et


28/73

Hitung Parameter Statistik Data Tesebut

Hitung hujan rancangan dengan distribusi hujan mengikuti distribusi Gumbell unt

kala ulang 5 tahun dan 20 tahun (Ganjil)

kala ulang 10 tahun dan 50 tahun (Genap)

No TahunTinggi Hujan Tinggi Hujan

(mm) (mm)

1 2

1 1!!! 11"#10 1$%"12#&1

2 2000 '$#'0 "%022#&&

$ 2001 101#0 10%$22#5

& 2002 '#00 &%2

5 200$ '"#"0 "%!1#2!

200& 11'#20 1$%!"1#2&

" 2005 10'#00 11%

' 200 1$2#10 1"%&50#&1

! 200' 1$!#00 1!%$21#0010 200! "$#00 5%$2!#00

11 2010 0#20 $%2&

12 2011 '#50 "%&'2#25

1,175.20 122,214.64

1%1"5#20

12#00

122%21&

12#00

0#00 10%1'7 -

n 12#00 %

1#00&

1

*

a *+

2

,rata-rata

(,rata-rata

)2

(102#&$)

2

*

*+


29/73

#

"!$

$$#1

1

a

2$#00

dr Tabel

dr Tabel

dr Tabel

dr Tabel

dr Tabel

,T

,T

.T

T5

.T

T20

.T

T10

.T

T50

.T

T100 .T


30/73

k

!"#!$

10%&!1#!0

10%1'7

10%&!1#!0 2$#11

. 0#&&'

2$#11 2$#00

1#00&


31/73

# #

0#&5

/ b

/ $$#1

0#2!$5 2$#00 0#2!$5 / $$#1

0#&!$$ 2$#00 0#&!$$ / $$#1

0#&2"1 2$#00 0#&2"1 / $$#1

$#!01! 2$#00 $#!01! / $$#1

2$#00 / $$#1


32/73


33/73

&0#$ mm2&jam

&! mm2&jam

&$#&& mm2&jam

12$#$" mm2&jam

1$!#&& mm2&jam


34/73

nalisis =rekuensi hujan dengan >et;de Distribusi 4;rmal

4; Tahun 4;# ?rut , Tr (Tahun)

1 2001 10#00 5 11!#00

2 2002 $#00 '2#&0 !$0$ 200$ 5#00 "#00 '2#&0

& 200& "#00 "0#20 '1#00

5 2005 '1#00 "#00

200 2#00 !$0 "

" 200" '#00 !#50 "0#20

' 200' !#00 "#'0 !#50

! 200! #00 " "#'0

10 2010 1#00 11!#00 5

788.20

@umlah data n 10#00

4ilai 9ata-rata "'#'2

Standard DeAiasi 1"#& 1#2'

,urut

S


35/73

1#"


36/73

Tahun i (mm) Log i (Log iLog )

1!!1 &'#!2 1#'!&! 0#0115 0#0001$

1!!2 &"#"1 1#"'1 0#022&& 0#00050

1!!$ 51#2 1#"12'2 -0#011"" 0#0001&

1!!& &0 1#52 0#0$&5$ 0#0011!

1!!5 &!#' 1#!1' 0#00&'" 0#000021!! &"#"5 1#"'!" 0#0220' 0#000&!

1!!" 52#'& 1#"22! -0#021!1 0#000&'

1!!' 50#0! 1#!!"5 0#001$0 0#00000

1!!! 52#1 1#"1"$& -0#012! 0#0002"

2000 &'#5& 1#'10 0#01&!5 0#00022

2001 5"#5& 1#"5!!" -0#05'!2 0#00$&"

2002 50#5" 1#"0$'! -0#002'& 0#00001

603.82 20.41260 0.00693

Aerage 1#"0105 9erata

SD 0#02510 Standard DeAiasi3S 1#05&1! B;eC#Bepencengan (Skenes)

Simpangan aku SD 0#02510 Simpangan aku (Standart DeAiati;n)

Tabel Harga =akt;r =rekuensi B adalah sebagai berikut

Bala ?lang T

0#0002!!&2

s 100 1#05&2-1#0

1#00 $#02$ 1#20-1#0

1#20 $#1&!

1#05&2 $#05" in$!o#asi 0#2"1


37/73

0#2"1

0#05&2 1#5!!!&0#2 1#5

0#2"1 1#

0#00

2#5&

2%500#00

12%500#00

2#50

$1!#&&

1!%1#" 10#00

0#"0 "#$0

0#!' 10#&5

0#00 $#15

10#00

1%000%000#00

1$#$&


38/73

Tahun

0#00000 1#00000 1

0#00001 2#00000 2

0#00000 $#00000 $

0#0000& &

0#00000 5#00000 50#00001 #00000

-0#00001 "#00000 "

0#00000 '#00000 '

0#00000 !#00000 !

0#00000 10#00000 10

-0#00020 11#00000 11

0#00000 12#00000 12

0.00015 1$

1&

151

1"

1'

1!

$#05"1& 20

21

B#$#02$ 22

$#1&!-$#02$ 2$

2&

$#02$#B 25

0#12 2

SD B 2"

2'

0#02510 $#05"00 2!

$0

0#0""$ $1

$2

$$

$&

$5$

$"

$'

$!

&0

(Log iLog )3

$#02$

B

1#20


39/73

0#0!!!&0#1

0#!!!&

-0#2&0

-0#25& Sc

-0#01& 2#00

1"#1&2'5"1&2! 1#$0

0#000

-0#01$!!1

-0#25$!!1

0#"0 0#!' 10#00 1%000#00

0#00

1#50

1%500#00

"%500#00

&%000#00

%#"

1&%1#"

2$#11


40/73

i (mm) Log i (Log iLog )

5'#'0 1#"!$' -0#025 0#000 -0#00002

&0#0 1#0'5$ 0#1$51! 0#01'2' 0#002&"

&5#&0 1#5"0 0#0' 0#00"51 0#0005

&0#50 1#0"& 0#1$2 0#01'5" 0#0025$

&0 1#'0''! -0#051" 0#00&25 -0#0002'&'#10 1#'215 0#015" 0#00$"! 0#0002$

5$#&0 1#"2"5& 0#011' 0#0002 0#00000

52#"0 1#"21'1 0#021!1 0#000&' 0#00001

$#20 1#'00"2 -0#05"00 0#00$25 -0#0001!

1$$#0 2#125'1 -0#$'20! 0#1&5!! -0#055"'

5'#50 1#""1 -0#02$&& 0#00055 -0#00001

"0 1#'10!0 -0#0"1! 0#00&51 -0#000$0

5#20 1#'1&25 -0#0"05$ 0#00&!" -0#000$5

5#10 1#"&'! -0#0052& 0#0000$ 0#00000

55#"0 1#"&5' -0#0021& 0#00000 0#00000&!#$0 1#!2'5 0#050'" 0#0025! 0#0001$

"&0 1#'"15" -0#12"'5 0#01$5 -0#0020!

&'#20 1#'$05 0#00" 0#00$' 0#00022

!#20 1#'&011 -0#0!$! 0#00!2! -0#000!0

50#20 1#"00"0 0#0&$02 0#001'5 0#0000'

&!#"0 1#!$ 0#0&"$ 0#0022& 0#00011

&2#"" 1#$11& 0#1125' 0#012" 0#001&$

"2#0 1#'0!& -0#11"22 0#01$"& -0#0011

"#0 1#'2!!5 -0#0'2$ 0#00"&& -0#000&

$0 1#55' 0#0"'1& 0#0011 0#000&'

&'#0 1#'& 0#05"0' 0#00$2 0#0001!

0#50 1#"'1" -0#0$'0& 0#001&5 -0#0000

$#50 1#'02"" -0#05!05 0#00$&! -0#00021

&1#$0 1#15!5 0#12""" 0#01$2 0#0020!

&5#&0 1#5"0 0#0' 0#00"51 0#0005

50#$0 1#"015" 0#0&215 0#001"' 0#0000"

52#!0 1#"2$& 0#0202 0#000&1 0#00001

"0 1#!$2 0#0"&&0 0#0055& 0#000&1

&'#'0 1#''&2 0#055$0 0#00$0 0#0001"

"0 1#!$2 0#0"&&0 0#0055& 0#000&1&'#$0 1#'$!5 0#05!"" 0#00$5" 0#00021

&"#'0 1#"!&$ 0#0&2! 0#00&1$ 0#0002"

1#'102$ -0#051 0#00&&2 -0#0002!

5$0 1#"$&'0 0#00'!2 0#0000' 0#00000

!2 1#!"5&$ -0#2$1"1 0#05$! -0#012&&

2,285.37 69.74877 0.40330 0.06234

9erata 1.74372

SD 0#101!

(Log iLog )2 (Log iLog )3


41/73

3s 1#5!!!&

6c 0#010$&

9erata 5"#1$& 9ata-rata

SD 1#5'0 Standard DeAiati;n

3A 0#2!0 6ariati;n 3;eEcient

Sc 2#'"0 Skeness 3;eEcient3k 11#2'"Burt;sis

35.261Burt;sis

2 5 10 20 50

-0#1!5 0#"$$ 1#$&0 1#!10 2#2

-0#210 0#"1! 1#$$! 1#!25 2#"

2#'"0

1 1%000%000#00

&%&&&&

1$%$$$#$$

1"%"""#""

2!#$0


42/73

Tahun i (mm)

1 $#$0

2 "2#00

$ !$#$0

& &!#10

5 52 '0

" 52#&0

' 1#"0

! 2

10 '2#0

11 5#00

12 !0

1$ &'#'0

1& 10#'0

15 ''#!01 10"#"0

1" 50#$0

1' 110#"0

1! !5#0

20 51#!0

21 202#$0

22 1&0#0

2$ 52#50

2& "5#'0

25 !#'0

2 51#50

2" 1&'#50

2' '#20

2! ''#!0

$0 !$#'0

$1 &'#20

$2 120#20

$$ 10&0

$& 10"#0

$5 15#&0$ 12#$0

$" !#$0

$' 2#&0

$! !0#$0

&0 '5#"0

3,465.50

'$!aa 86.638

S* 35.315


43/73

0.408

S 1.232

1.851

100

$#1&!

$#211


44/73

nalisis =rekuensi hujan dengan >et;de Distribusi Pears;n t+pe :::

4; Tahun , /

1 2001 5 "'#'20 /

2 2002 '2#&0 "'#'20 /

$ 200$ "#00 "5#1'

& 200& "0#20 3s 2 5 105 2005 '1#00 1#20 -0#1!5 0#"$$ 1#$&0

200 !$0 1#$0 -0#210 0#"1! 1#$$!

" 200" !#50 1#2"5 -0#20 0#"22 1#$$!

' 200' "#'0

! 200! "

10 2010 11!#00

Sum 788.200 1#20

A$!ag$ 78.820 1#$0

S* 17.643 1#2'

S 1.275 0#"5 -0#1!5 0#"$$ 1#$&0 0.224 -0#01500 -0#01&00 -0#00100

-0#0112" -0#01052 -0#000"5

d -0#202" 0#"22&' 1#$$!25

,T

,i


45/73

SD

-0#20 1"#&$

-$#$&

20 50 1001#!10 2#2 $#1&!

1#!25 2#" $#211

1#!21 2#5" $#1!

1#!10 2#2 $#1&!0#01500 0#0&100 0#0200

0#0112" 0#0$0'2 0#0&0

1#!212" 2#5'2 $#1!50

BT


46/73

4; Tahun , (mm)

1 1!'0 1&0#00 1!%00#00

2 1!'1 150#00 22%500#00

$ 1!'2 10#00 25%00#00

& 1!'$ 1&0#00 1!%00#00

5 1!'& 1"0#00 2'%!00#00

1!'5 10#00 25%00#00

" 1!' 1"0#00 2'%!00#00

' 1!'" 1&0#00 1!%00#00

! 1!'' 1$0#00 1%!00#00

10 1!'! 120#00 1&%&00#00

11 1!!0 1'0#00 $2%&00#00

12 1!!1 1"0#00 2'%!00#00

1$ 1!!2 1'0#00 $2%&00#00

1& 1!!$ 10#00 25%00#00

15 1!!& 10#00 25%00#00

2,330.00 366,500.00

155.33 24,433.33

18.07 24,433.33

0.44

0.12

-0#105!""2

, (mm)2


47/73

2&%12'#&&

$0'!

1"#&

1#'$


48/73

4F P(mm)

1 $#$0 &%00#'!

2 "2#00 5%1'

$ !$#$0 '%"0'!

& &!#10 2%&10#'1

5 52 2%!"0#25 '0 &%1!!#0&

" 52#&0 2%"&5#"

' 1#"0 $%'0#'!

! 2 &%10#25

10 '2#0 %'22#"

11 5#00 $%1$#00

12 !0 2%1!!#1

1$ &'#'0 2%$'1#&&

1& 10#'0 11%&0#2&

15 ''#!0 "%!0$#211 10"#"0 11%5!!#2!

1" 50#$0 2%5$0#0!

1' 110#"0 12%25&!

1! !5#0 !%1$!#$

20 51#!0 2%!$#1

21 202#$0 &0%!25#2!

22 1&0#0 1!%"'#$

2$ 52#50 2%"5#25

2& "5#'0 5%"&5#& 1#2$ 1#20

25 !#'0 !%$"0#2& 1#$0 1#202 51#50 2%52#25

2" 1&'#50 22%052#25 5#'2

2' '#20 "%&$0#&& #15

2! ''#!0 "%!0$#21 0#$$

$0 !$#'0 '%"!'#&&

$1 &'#20 2%$2$#2&

$2 120#20 1&%&&'#0&

$$ 10&0 10%'!!#$

$& 10"#0 11%5""#"

$5 15#&0 2"%$5"#1

$ 12#$0 15%!51#!

$" !#$0 !%2"$#!

$' 2#&0 $%'!$#"

$! !0#$0 '%15!

&0 '5#"0 "%$&&!

3,465.50 $&'%''0#5$

'#&Aerage

$5#$1SD

P(mm)2


49/73

1.23164Sc

0#&0"2 3A

"#02&2


50/73

0#0$

0#100#$0

0#10

5#!152


51/73


52/73

4; P (mm)

1 1#'0'5'

2 $ 1#5$2"5&

$ 5"#$0 1#"5'155

& 5#$0 1#"5050'

5 $0 1#'0'211

"0 1#'10!0&" $!#&0 1#5!5&!

' 5#"0 1#"5$5'$

! &!#10 1#!10'1

10 &2#20 1#25$12

11 11'#50 2#0"$"1'

12 !0#!0 1#!5'5&

1$ "$0 1#'"0!'!

1& $"#20 1#5"05&$

15 !2#&0 1#!5"2

1 11#!0 2#0"'15

1" 5$#"0 1#"2!!"&

1' 1#'0 1#"!0!''

1! '2#10 1#!1&$&$

20 102#!0 2#012&15

21 5#!0 1#"55112

22 5!#50 1#""&51"

2$ &2#"0 1#$0&2'

2& "5#"0 1#'"!0!

25 &2#0 1#2!&1

2 &$#&0 1#$"&!

2" 55#&0 1#"&$51

2' $'0 1#5&15"!

2! '#0 1#'$$2&

$0 2#&0 1#"!51'5

$1 !2#0 1#!11

$2 $#$0 1#'01&0&

$$ &!0 1#522&

$& $"#10 1#5!$"&

$5 !"#&0 1#!''55!

$ 5 1#"$$!!!

$" 5#'0 1#'1'22

$' $#00 1#"!!$&1

2%&1!#20 "#&

$# 1#"'

22#0'1!5 0#1&&!5

0#!01!2" 0#22500


53/73

1 $#$0

2 "2#00

$ !$#$0

& &!#10

5 52

'0

" 52#&0' 1#"0

! 2

10 '2#0

11 5#00

12 !0

1$ &'#'0

1& 10#'0

15 ''#!0

1 10"#"0

1" 50#$01' 110#"0

1! !5#0

20 51#!0

21 202#$0

22 1&0#0

2$ 52#50

2& "5#'0

25 !#'0

2 51#50

2" 1&'#50

2' '#20

2! ''#!0

$0 !$#'0

$1 &'#20

$2 120#20

$$ 10&0

$& 10"#0

$5 15#&0

$ 12#$0

$" !#$0

$' 2#&0

$! !0#$0

&0 '5#"0

$%&5#500

'#$'9ata-rata

$5#$15SD

0#&0' 3A

1#2$2 3s


54/73

Sc 2 5 10 20 50 100

1#200 1#200 1#5&2 2#0'2 2#!! &!0 5#'15

1#$00 1#222 1#5'0 2#1$$ $#0"2 "11 #1&!

1#2$2 1#20"

1#2$2 - 1#200

B 1#200

1#$00 - 1#200 1#222 1#200

0#0$2

1#200B

0#100 0#022

0#$1$!"

1#200B

0#022

B 0#$1$!" 0#022

1#20!1


55/73


56/73

/ SD

'#& 1#21 $5#$1

$%102#21

/ 1#200

,T

,i

BT


57/73

Hitung esaran intensitas hujan pada suatu daerah aliran apabila diketahui da

harian dengan kala ulang 2 tahun dan 9&2 mm% aktu k;nsentrasi pada dae

Tc 1#2 @am#

'umus onono$

: 9

( 2&

)2& Tc '0#!1

2&

&2

( 2&

) $#$"125

2& 1#2

0#" 1#"5( 20 ) &1#"'5$

1#"5( "#$'0)

12.894mm%am 0#002"'

0#&5

&1#"!

20

1#0&55'

2$

2$


58/73

ta hujan

ah aliran tersebut

2 0#"

0#55

&$#&

12#$!

3,000.00

2#50

$#5

10500


59/73

Suatu Daerah Pusat Perniagaan dengan suatu bentuk titik sebagai titik

saluran drainase berada di tengah-tengah areal dengan kemiringan salura

kecepatan aliran diatas permukaan tanah diperkirakan sebesar 0#15 mde

jika terjadi hujan merata pada daerah aliran tersebut dengan intensitas se

tentukan besarn+a debit maksimum untuk merancang dimensi saluran dr

I

P

G

$ Bm

nalisa Perhitungan

sumsi arah aliran IG :

B;eJsien daerah pengaliran untuk daerah perniagaan pada tab

K 0#!

Laktu k;nsentrasi Tc t; / td

t; Becepatan di atas tanah A; 0#15 mdet

IP 1000 m

t; IPA;

t; 1%000#00

0#15

%#"

td Bemiringan saluran & % menurut tabel

Ad 0#! mdet

P $000 mtd PAd

$%000#00

enurut tabel k;eJsien pen+ebaran hujan M 0#!!2


60/73

0#!0

$%$$$#$$

t; / td

%#" /

10%000#00 det

1#" menit2#"' @am

Debit aliran >aimum menurut met;de rasi;nal terjadi apabila

hujan +ang terjadi lebih besar atau sama dengan aktu k;nsen

artin+a akumulasi air hujan seluruh daerah pengaliran secara b

sama meleati titik k;ntr;l

; < = > ?

< 0.9 > 0.992

< 14.88

Laktu k;nsentrasi Tc

m3%@$


61/73

;ntr;l keluaran

n sebesar &

#

besar 10 mm@am%

inasen+a

=

1 Bm

;

1 Bm

H

;

l

det


62/73

det

$%$$$#$$

lama

rasi%

rsama

> > A

> 2.78 > 6


63/73

120 1

1$0 1#0"

1&0 1#15

150 1#5

10 1#

1"0 $

1'0 "#5

"#5 1'0

$ 1"0

1# 10

1#5 150

1#15 1&0

1#0" 1$0

1 120

2 '#!

5 '

10 #5

20 "

$0 $#

0 1#'

!0 1#2

150 0#'5

210 0#'2

2"0 0#'

0 50 100 150 2

0

1

2

$

&

5

"

'

!

10

10#00

12#00

0 1 2 $

0

20

&0

0

'0

100

120

1&0

10

1'0

200

3;lu

m

m

%

2

4

j

a

m


64/73

1 2 3 4 5 6 7 8

Hujan (mm) : 3 6 15 10 5 3

Hasil pengukuran debit limpasan permukaan adalah sebagai berikut

1#00 2#00 $#00 5#00 #00 "#00 '#00

$#00 #00 15#00 10#00 5#00 $#00 2#00 1#00

'#00 "#00 #00 5#00 $#00 2#00 1#00

$#00 #00 15#00 10#00 5#00 $#00 2#00 1#00

'#00 "#00 #00 5#00 $#00 2#00 1#00

1

'#00

0#50

5#00

201%00#00

20#1

$ '

"

15

10 5

5 &

$ $2 2

1 1

0#00 2#00 #

0#00

2#00

#00

'#00

&

'

10

12

1&

1

$

15

10

'"

5


65/73

1 2 $ &0

3;lumn


66/73

00 250 $00

3;lumn

& 5 " '

mn 3


67/73

2 1

0#00

0#00

201%00#00

10#00 Bm

1%000%000#00

10%000%000#00

0#02

20%10#00

00 '#00 10#00 12#00

3;lumn

0#00 2#00 #00 '#00 10#00

0#00

1#00

2#00

$#00

5#00

#00

"#00

'#00

!#00

A>is Ti#$

A>is Ti#$

5$

2

&$

2


68/73

5 " '

3;lumn 3


69/73

5

1

&

0#'

0#1

1#'$25'1

-0#05"2

0#22$1&&

1#&!!!&


70/73

12#001#00

9; "0


71/73


72/73

:ntensitas Hujan @am-jaman (mmjam) untuk berbagai peri;de ulang

&a#a /#ang (Tahun)

($ni) 2 5 10 15 20 25 30

5 2$0#05 2""#&" $02#$" $1"$ $22#!0 $2'#!0 $$$#2

10 1&!2 1"'0 1!0#&' 1!'#2 20$#&2 20"#1! 210#1"

15 110#0 1$$#&0 1&5#$ 151#$0 155#2& 15'#12 10#$!20 !1#2! 110#12 120#00 12!0 12'#1& 1$0#52 1$2#&0

&5 5$#1" $ !#'' "2#"& "$ "#02 ""#11

0 &$#'! 52#!& 5"#! 0#05 1#1 2#"5 5#5

120 2"#5 $$#$5 $#$& $"#'$ $'#'1 $!#5$ &0#10

1'0 21#10 25#&5 2"#"$ 2'#'" 2!#2 $0#1" $0#0

$0 1$#2! 1#0$ 1"#&" 1'#1' 1'# 1!#00 1!#2'

"20 '#$" 10#10 11#01 11#& 11#"5 11#!" 12#1&

0 100 200 $00 &

0#00

50#00

100#00

150#00

200#00

250#00


73/73

40 50 100

$&0#"1 $&5#!' $1#&$

21$ 21"#!5 22"#'

1$#'0 1#$$ 1"$#"1$5#21 1$"#$0 1&$#&$

"'#"5 "!#! '$#5$

5#00 #01 '#!5

&0#!5 &1#5' &$#&&

$1#25 $1#"$ $$#15

1!#! 1!#!! 20#''

12#&0 12#5! 1$#1

0 500 00 "00 '00

3;lumn

3;lumn

3;lumn

3;lumn

3;lumn

Documents

Exercise Hidrologi