6 Jembatan Komposit_1

8/9/2019 6 Jembatan Komposit_1

1/18

JEMBATAN KOMPOSIT

profil IWFdiafragma

trotoir beton K-300 t = 0.20 maspal tebal 0.05 m

1,200,75 1,20 1,20 1,20 1,20 1,20 1,20 0,75

POTONGAN MELINTANG

bo bo bo bo bo bo bo

D E N A H

diafragma

IWF-900.300.15.23

8.4

0m

9.4

0m

1.20

1.20

1.20

1.20

1.20

1.20

trotoir

trotoir

B

diafragma sambngan

POTONGAN MEMANJANG

18.00 m

-3 8

L


2/18


3/18

nk

AcAce

.=

Ac : luas beton

Ace : luas beton ekivalen

As : luas profl baja

n : EsEck : !aktor pe"bebanan

k" # $ k% # &

Ac # be ' tc

At # As ( Ace

)t # )s ( )c

GARI* NETRAL K+,-+*IT

ds = dt dc

Yc = dc + tc Ys = ds +

Momen Inersia Komposit :

It = Ie!s"# $o%&os"tIs = Ie!s"# &!o' b##

dtAt

Asdc =

22.

.. dcAce

nk

IcdsAsIsIt +++=


4/18

ANALI*A BEBAN

&. /EA/ L+A/

a. -ri"er1* e!#t sed"!" &!o'/,e#,#!/b#o-2* e!#t beto/#t#" -ed#!##.* e!#t s#%b,# d (d"#%b" +0 be!#t ,e#,#!)

b. *ekun)er

Satuan (kg/m)

1* 3o%e %#-s"%%4 (tengah bentang)2* 5 %#-s"%%4 (tumpuan)

1*e!#t &e!-e!#s#/#s (teb# +7%)2* e!#t #"! h# (teb# +8%).* L#"92 (b"# #d#)

Satuan (kg/m)

1* 3o%e %#-s"%%4 (tengah bentang)

2* 5 %#-s"%%4 (tumpuan)


5/18


6/18

$. BEBAN ANGIN

a b b b perletakan

h2

h1

Beban angin W = 100 kg/m2

Tinggi bidang angin untuk lalulintas diasumsikan sebesar 2,00 m daripermukaan trotoir


7/18

R = R1+ R2h# = 2 + h1

..2/1!2 2

haRXi

Xiqa

=

1*3o%e %#-s"%%4 (tengah bentang)2*5 %#-s"%%4 (tumpuan)

eb# #," d# ,e#,#! te!#!:

h#

2%

h1

x1

b bR1

R2

R

6a

b

x2

x.


8/18

TEGANGAN GE*ERTEGANGAN GE*ER

Ixt

SxD

.

.=

*ebelu" Ko"posit(3#t": beto b##)

*etela% Ko"posit(3#t" : As #"! h#)

*etela% Ko"posit(eb# h"d& LL : P < ;)


9/18

7N-R+--E/7N-R+--E/*ebelu" Ko"posit(3#t": beto b##)

*etela% Ko"posit(3#t" : As #"! h#)

*etela% Ko"posit(eb# h"d& LL : P < ;)

gms

gmp

A B

+9

,%&L

,%&L

+

9 ,%sL

,%sL

-q

+9

; L

P+ ; L

-q

X L-X


10/18

7N-R+--E/7N-R+--E/

1. "emasangan gelagar pro#il ba$a A BT

M1= 1/8 gs. L2s

SW

M11 = 01 = L

+

gnc

gnkmgns

gnkh=

+

+

2. Beton lantai kendaraan

M2= 1/8 g. L2

A BT

02 =

s

SW

M2

2 =

%. Lapisan perkerasanA B

TM!= 1/8 ga. L

2

k"

S"S

I

#M .%

%=

k""

"

Ink

#M

..

.%

% =

+

&. Beban lalu lintas kendaraan, muatan '

M$= 1/8 q . L2% 1/$ . &.L

A BT

kh

ShS

I#M .&& =

khh

h

Ink#M...&& =

+ =


11/18

1. "ro#il ba$a ( beton lantai kendaraan !keras

( perkerasan dipikul komposit mati

-R+--E/-R+--E/

M1= 1/8 'gs % gc% ga( . L2

k"

S"S

I

#M .11 =

k""

"

Ink

#M

..

.1

1 =

A BT

gnc

gnkmgns

gnkh=

+

9

2. Beban lalu lintas kendaraan, muatan '

M2= 1/8 q . L2% 1/$ . &.L

A BT

kh

ShS

I

#M .2

2 =khh

h

Ink

#M

..

.2

2 =

+

+

9

=

+


12/18

G#># ,ese! ho!"sot# >#, t"%b #t#!# t(slab) beto d# b#o- b## h#!s d"t#h# #,#!&e#%, -o%&os"t be-e!# sec#!# %oo"t*

?t- %e#%" #d#># e-#t# #t#!# s#bbeto d# b#o- b## %#-# h#!s d"s#, ##t&e>#%b, ,ese! (shear connector) d"#t#sb#o- b## >#, be!hb,# de,# s#b

beto*5"s#%&", "t f,s" d#!" shear connector

#d##h t- %e#h#/ %e,h"d#!"te!#,-#t># s#b beto -et"-# d"beb#"*

ALAT -EN8A,B7NG GE*ER

(SHEAR CONNECTOR)


13/18

9ENI* -EN8A,B7NG GE*ER9ENI* -EN8A,B7NG GE*ER

a/ )ngker diagonal

b/ *tud/ paku

+/ "asak kanal

d/ *piral


14/18

d ) = A . t

Dengan*

) = ga+a gese, ik ntk 1'sat( anke, 'kg(

A = as ena"ang anke, 'c"2(

t = tegangan i0in ta,ik anke, 'kg/c"2(

hd

....&,0 2

12d) =

Dengan*

) = ga+a gese, ik ntk 1'sat( std '3s(d = dia"ete, std 'inch(

h = tinggi std 'inch(

4c = kat tekan 3et5n 'si(

c = "5ds eastisitas 3et5n 'si(

a/ Angker diagonal

b/ Stud/ paku


15/18

hd

c/ Pasak kanal = 3/t) ...%0

Dengan*

) = ga+a gese, ik ntk asak 'kg(

t = te3a ,5i kana 'c"(

3= tegangan i0in 3et5n 'kg/c"2(

h = 67 d = 97 ) = 1:;2< t5nh = $7 d = 7 ) = 8;:< t5n

h = !7 d = !/87 ) = 6;


16/18


17/18

diafragma sambngan

POTONGAN MEMANJANG

18.00 m

-3 8

L

p r o f i l I W Fd i a f r a g m a

t r o t o i r b e t o n K - 3 0 0 t = 0 . 2 0 ma s p a l t e b a l 0 . 0 5 m

1 , 2 00 , 7 5 1 , 2 0

1 , 2 0 1 , 2 0 1 , 2 0

1 , 2 0 1 , 2 0 0 , 7 5

e

N OZ

e

bo


18/18

6 Jembatan Komposit_1

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