drainase runway baru

7/21/2019 Drainase Runway Baru

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NAMA : KHAMIM JAZULI

NIM : 201312021

a. Menentukan rumus yang sesuai untuk data berdasarkan nilai deviasi.

DATA

lama curah hujan t (menit ! 10 1! 20 "! #0 $0 120

Inten%ita% curah hujan I (mm&jam 2!0 22! 200 1'! 1!0 12! 100 '!

1.Formula Tabolt

t I I.t N

! 2!0 #2!00 12!0 312!00

11

10 22! !0#2! 22!0 !0#2!0

1! 200 "0000 3000 #00000

20 1'! 30#2! 3!00 #12!00

"! 1!0 22!00 #'!0 1012!00

#0 12! 1!#2! '!00 $3'!00

$0 100 10000 $000 $00000

120 '! !#2! $000 #'!000

10 !0 2!00 $000 "!0000

3#0 2! #2! $000 22!000

'20 10 100 '200 '2000

∑I ∑I² ∑(I.t) ∑(I².t)13! 2"0'2! #'"!0 #3032!0

a ) #'"!0 * 2"0'2! + #3032!0 * 13!

11 * 2"0'2! + 13! * 13!

a ) 102#,$"'!!

- ) 13! * #'"!0 + 11 * #3032!0

11 * 2"0'2! + 13! * 13!

- ) 33,00102''"$


Inten%ita% curah hujan I (mm&jam 2'1 23$ 21" 1$" 132 111 " #'

I² I².t

bt

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DATA



2.Formula Serman

t I log I log t (log t)² log t . log I N

! 2!0 2,3$'$" 0,#$$' 0,"!!$1 1,#'#0133

11

10 22! 2,3!21 1 1 2,3!212!11

1! 200 2,30103 1,1'#0$1 1,331$0# 2,'0#2212#"'

20 1'! 2,2"30" 1,30103 1,#$2#'$ 2,$12!$'2

"! 1!0 2,1'#0$ 1,#!3213 2,'33111# 3,!$'!"1300#

#0 12! 2,0$#$1 1,''1!1 3,1#121$ 3,'2#231#1#

$0 100 2 1,$!"2"3 3,1$0#3 3,$0"!01$

120 '! 1,'!0# 2,0'$11 ",322$$"' 3,$!$221"

10 !0 1,#$$' 2,2!!2'3 !,0#2!"1 3,31#"033'

3#0 2! 1,3$'$" 2,!!#303 #,!3"#2! 3,!'3!!'!"01

'20 10 1 2,!'332 ,1#"3"$ 2,!'332"$#"

∑log I ∑log t ∑(log t)² ∑ (log t . !og I

21,!3$2 1$,30$'$ 3,3#'0# 3!,0"!23''3

l./ a ) 21,!3$1# * 3,3#' + 3!,0"!2" * 1$,30$'$

11 * 3,3#' + 1$,30$'# * 1$,30$'$

l./ a ) 3,030'2'2""

a ) 10$1,#2311'

n ) 21,!3$1# * 1$,30$ + 11 * 3!,0"!2

11 * 3,3#' + 1$,30$'$ * 1$,30$'$

n ) 0,#1!2132'"!


Inten%ita% curah hujan I (mm&jam "0# 2#! 20# 1'3 10! ',$ #$ !'

nt

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DATA



".Formula Isiguro

t I I #t I²#t N

! 2!0 !!$,01' #2!00 13$'!",2!

11

10 22! '11,!12 !0#2! 1#00$0,31

1! 200 ''",!$' "0000 1!"$1$,33

20 1'! '2,#2" 30#2! 13#$!$,1#

"! 1!0 100#,23 22!00 1!0$3",!$

#0 12! $#,2"# 1!#2! 121030,'3

$0 100 $",#3 10000 $"#,33

120 '! 21,!" !#2! #1#1,'

10 !0 #'0,2 2!00 33!"1,02

3#0 2! "'",3"2 #2! 11!,!"1

'20 10 2#,32 100 2#3,21#

∑ I ∑ I #t ∑ I² ∑ I²#t13! '$# 2"0'2! 10#2!

a ) '$!,$" * 2"0'2! + 10#2!,330#! * 13!

11 * 2"0'2! + 13! * 13!

a ) #0#,$03$201!3'

- ) 13! * '$# + 11 * 10#2!

11 * 2"0'2! + 13! * 13!

- ) +0,$"!''###"


Inten%ita% curah hujan I (mm&jam "'0 2'" 20' 1'2 10! $,2 '1 #1

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t I N t I I

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2



$I%&'%M NI!%I $I%SI '*M*S INTNSIT%S +*,%N

-era%aran nilai eia%i iata% maa rumu% inten%ita% hujan an/ %e%uai aala

b. Mengitung dimensi saluran drainase run-ay

Men/hitun/ 5atu .n%entra%i (Tc

.e6%ien ham-atan (n

L07 a%8al ) 2! m n (a%8al ) 0,

L07 rum8ut ) 12! m n (rum8ut ) 0,

i% a%8al ) 0,003

jara titi terjauh e 7a%ilita% raina%e (L07

emirin/an %aluran memanjan/ (i%

10

#0

110

1#0

210

2#0

310

3#0

"10

"#0

0

100

200

300

"00

!00

#00

'00

00

Inten%ita

Inten%ita

Inten%ita

Inten%ita

Intensitas .ura u/an (mm0/am)

lamanya .ura u/an (menit)



i% rum8ut ) 0,013

T a%8al )(

2* 3,2 * l.7

n

0,1#'

3

)

(

2

* 3,2 * 2!

0,013

0,1#'

3 0,0!"''2

) 1,!3"2233!

T um8ut )(

2* 3,2 * l.7

n

0,1#'

3

)(

2* 3,2 * 12!

0,02

0,1#'

3 11,103"

) 0,'3'#02

) T A%8al ; T um8ut

) 1,!3"2233"$$; 0,'3'#02

) 2,"21!$$3#'1 menit

ece8atan aliran air an/ ijinan untu material -et.n ) 1,! m&et

) L

#0 < =

) 1200

#0 < 1,!

) 13,33333 menit

Tc ) ;

) 2,"21!$$ ; 13,3333

) 1!,'!"$3

>r ) 1?IA

3,#

>r ) 1?IA

3,#

>r ) 1

< 2

< ? < A3,# Tc ; 3

@i%

@i%

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T7

T07 T7



? < A ) ( ?a%8al < Le-ar a%8al < anjan/ un5a ;

?rum8ut < Le-ar um8ut < anjan/ um8

) 0,3 < 2! < 1200 ; 0,33 < 12! < 12

) !!00

>r ) I

< 2

< ? < A Tc ; 3

>r ) 1

< 2

< !!003#00000 1# ; 3

>r ) 0,001'32''!

lua% 8enam8an/ -a%ah (B

> ) B < =

0,001'3 ) B < 1,!

B ) 0,001'33

1,!

B ) 0,0011!!2!1# ( Lua% 8enam8an/ %aluran

* ) le-ar %aluran ) le-ar %aluran

C ) 2 <

B ) < < C

B ) < < 2<

B )

0,0011#)

) 0,0011!!2!1#

2

) 0,000!''#2!

< ) 0,02"

3# < 10E

mF&et

mG

2<G

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<G

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10 3#0 '20

!0 2! 10

10 3#0 '20

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10 3#0 '20

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10 3#0 '20

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rumu% ari 4Ta-.lt4

13

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% curah hujan (ata

% curah hujan (Ta-.lt

% curah hujan (9herman

% curah hujan (I%hi/ur.



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