ANALISIS BOX GIRDER
Panjang Box Girder Prestress Lebar jalur lalu lintas Jumlah box girder
50.00 7.00 2.00
m m bh
Lebar median
L B n bm
1.00
m
Lebar trotoar
bt
1.00
m
Tebal lapisan aspal
ta
0.05
m
Tebal genangan air hujan
th
0.05
m
Berat Jenis Material (RSNI T-02-2005)
$/m!
$g/m!
Beton prategang
-p
25.50
25.!
Beton bertulang
-r
25.00
25"#."2
Beton tida$ bertulang %rabat&
-
2".00
2""'."#
(spal
-a
22.00
22"2.'1
( ir
--
.#0
#.#
Baja
-s
77.00
7#".1!
1 Bet!n )utu beton box girder prestress
*uat te$an beton box girder prestress
500 , 03#! 4 * /10
)odulus elasti$ balo$ beton prestress
%-p&135 4 030"! 4 , ,
*
+
(ng$a Poisson
)odulus geser
G / 62 4 %1 &8
*oe,isien muai panjang untu$ beton
*uat te$an beton pada $eadaan a-al
, i 03#0 4 ,
Tegangan ijin beton saat s aat penari$an
Tegangan Tegangan ijin te$an 03'04 , i
Tegangan Tegangan ijin tari$ 03504 , , 2 Ba"a #rate$an$
9(T 9(T( :T;(9: <(BL + :T : T(9(; =:L >noat ateed 7 -i -ire su super st strands (:T) ( , p 15#0000 $Pa
Jenis strands Tegangan leleh strand *uat tari$ strand 9iameter nominal strands
, pu
Luas tampang nominal satu strands
1#'0000 0.0127
$Pa m %1/2?&
(st
0.0001
m2
Beban putus minimal satu strands Jumlah $a-at untaian %strands able& 9iameter selubung ideal Luas tampang strands
P bs
2!5.'1 22 #" 0.001##
$ %100@ be $a-a $a-att unt untai aiaa mm m2
Beban putus satu tendon
P b1
51#!.'2
$ %100@ be
)odulus elastis strands Tipe dong$ra$
s
1..0#
$Pa
=:L 22
I DIMENSI BOX GIRDER #RESTRESS
Lebar
Tebal
Tinggi Box Girder Tinggi dinding
b1 b2 b! b" t1 t2 t! t" t5
".00 0.75 1.75 1.25 0.50 0.50 0.#5 0.25 0.!5 A h1 A + t1 h2 h1 + t2
m m m m m m m m m 2.50 2.00 1.50
m m m
II #RO#ERTIES #ENAM#ANG BOX GIRDER
9imensi o
1 2 ! " 5 ' 7 # 10 Jumlah
Tinggi
%m&
%m&
%m2&
%m&
%m!&
5.5000 ".0000 0.#500 0.#500 1.7500 1.2500 1.7500 1.2500 0.1#75 0.1#75
0.5000 0.5000 1.5000 1.5000 0.2500 0.!500 0.2500 0.1500 0.5000 0.5000
2.7500 2.0000 1.2750 1.2750 0."!75 0."!75 0.21## 0.0!# 0.0"' 0.0"' #.5#1!
2.2500 0.2500 1.2500 1.2500 2.!750 2.!250 2.1''7 2.1000 0.!!!! 0.!!!!
'.1#75 0.5000 1.5!# 1.5!# 1.0!1 1.0172 0."7"0 0.1' 0.015' 0.015' 12.'!!!
b %(4& / ( a A + b
Men$%it&n$ '!'en inersia
1 2 ! " 5 ' 7
:tatis momen (4
Lebar
Leta$ titi$ berat C
o
Jara$ terhadap alas
Luas Tampang (
Do
(42
%m"&
%m"&
0.0572 0.0"1'7 0.2!0' 0.2!0' 0.0022# 0.00""7 0.0007'
1.''!'# 2.#755 0.0'25 0.0'25 0.!5'5# 0.!1#1# 0.10550
1."72202"# m 1.027#
m
10 Jumlah
0.000'5 0.001!0 0.5#'00'" 5.5'!#'
)omen Dnersia terhadap titi$ berat box girder C
Dx Do (42
"1.50
)Pa
!'711.2'
)Pa
0.20 152'.!'
)Pa
1.+05
/o<
!!.20
)Pa
1.2
)Pa
!.22
)Pa
+"1' grade 270
ban putus& tiap tendon
ban putus&
'.1#2"5'!! m "
#ERITNGAN SLAB LANTAI JEMBATAN I Data Sla* Lantai Je'*atan
Tebal slab lantai jembatan
0.50
Tebal lapisan aspal
h ha
m
Tinggi genangan air hujan
th
Bentang slab
s bl
0.05 ".00
m m
7.00
m
1.00 50.00
m m
0.05 m Berdasarkan RSNI T-02-2005 pasal 5.3.2, ditentukan mengenai ketebalan yang diizinkan u yaitu sebesar 50 mm.
Lebar jalur lalu lintas
bt
Lebar trotoar Panjang bentang jembatan per segmen
L
II Material Str&+t&r Berat Jenis Material (RSNI T-02-2005)
$/m!
$g/m!
Beton prategang
-p
25.50
2'00.0
Beton bertulang
-r
25.00
25".0
Beton tida$ bertulang %rabat&
-
2".00
2""7.0
(spal
-a
22.00
22"!.0
(ir
--
.#0
.0
Baja
-s
77.00
7#50.0
a) Bet!n Bert&lan$ )utu beton
*uat te$an beton )odulus elasti$ Poisson ratio )odulus Geser *oe,isien muai panjang beton
*
+
500 , 03#! 4 * /10 %-&135 4 030"! 4 ,
G / 62 4 %1 &8
"1.50 !'72".22 0.2 15!02 1.0.+05
*) Ba"a Untuk tulangan polos menggunakan mutu *uat leleh , *uat tari$ ,u
BjTP 2" 2"0 )Pa !0 )Pa
Untuk tulangan ulir menggunakan mutu *uat leleh , *uat tari$ ,u
BjT: "0 "00 )Pa 5'0 )Pa
III Analisis Be*an Sla* Lantai Je'*atan 1 Berat Sen,iri (MS) * ): Ea$tor beban ultimit C
1
9itinjau slab lantai jembatan selebar Tebal slab lantai jembatan
b h
1.00 0.50
Berat beton bertulang
- F):
25.50
Berat sendiri
F): b 4 h 4 -
12.75
)): 1/12 4 F ): 4 s2
)omen ma$simum a$ibat berat sendiri 2 Be*an Mati Ta'*a%an (MA)
Ea$tor beban ultimit C o
Jenis Beban 1 Lapisan (spal 2 (ir Aujan Beban mati tambahan C
* )( Tebal %m& 0.05 0.05
2.0 Berat Jenis %$/m!& 22.00 .#0 F)(
Beban 1. 0. 1.
)omen ma$simum a$ibat beban mati tambahan C ))( 1/12 4 F )( 4 s2
2.120
$m
Be*an Tr&+ .T. (TT)
Ea$tor beban ultimit C
* TT
1.#
Beban hidup pada lantai jembatan berupa beban roda ganda oleh tru$ %Beban T& sebesar C T 112.5 $ Ea$tor beban dinamis untu$ pembebanan tru$ diambil C 9L( 0.! PTT % 1 9L( & 4 T Beban Tru$ ?T? C 1"'.25
tul lapisan permukaan
)Pa )Pa )Pa /o<
m m $/m! $/m
17.000
'.!75 #.25
$m
%$/m& 10 " 5
$/m
$
Tiang Sandaran 1. Kolom beton Bagian a 0.15 x 0.2 Dimensi Berat Jenis 25 kN/m3 Tinggi 1.15 m Berat 0.8625 kN Posisi ari !"!ng 0.1m Bagian b Dimensi
a b t tebal #ol!me 0.00$5 m3 Berat 0.1125 kN Posisi ari !"!ng Bagian % &'i'a sanaran( Berat 'i'a 5.08 kg/m Pan"ang 'i'a 2m Berat 0.1016 kN Posisi ari !"!ng 2. Pelat sanaran 0.15 x Dimensi Berat 2.$3)5 kN Posisi ari !"!ng 0*1 m
m
0.25 m 0.35 m 0.1 m 0.15 m
0.25 m
0.0508 kN/m
0.1 m
0.65
m
*)BD(:D P)BB(( *ombinasi Beban Jenis Beban :imbol 1 2 ): Berat sendiri Beban mati tambahan
)(
Beban T
TT
Beban pejalan $a$i
TP
Pengaruh suhu
T
Beban angin
H
9imensi Jumlah
Luas Tampang %(&
Jara$ terhadap alas %&
%m2&
%m&
Lebar
Tinggi
%m&
%m&
1 2 !
#."000 ".0200
0.2250 0.2250
1.0000 1.0000
1.#00 0.0"5
2.2#75 0.1125
1."220
0.2550
2.0000
0.!'2'
2.000
"
0.!770
0.2550
2.0000
0.12!
2.0"75
5 ' 7
1.2000 1.5#!2
0.2550 0.!500
2.0000 2.0000
0.!0'0 1.10#"
2.000 1.1#50
0.2#70
0.2250
2.0000
0.122
0.!!75
#
0.000
0.2250
2.0000
0.2025
0.!000
10 Jumlah
0.000 0.000
0.2250 0.2250
2.0000 2.0000
0.020! 0.020! 5.1!5
0.!750 0.1500
o
b %(4& / (
Leta$ titi$ berat C
a A + b
o 1 2 ! " 5 ' 7 # 10 Jumlah
Do
(42
%m"&
%m"&
0.0077 1.20'5# 0.00!#2 1.7125' 0.001!1 0.1!11 0.0010" 0.0'00# 0.00111 0.11071 0.0'011 0.2"15# 0.0005" 0.17110 0.00057 0.2#'0" 0.0000' 0.02511 0.0000' 0.0!'2# 0.07'5#277 !.#122"##
".057#1
1."##5
m
0.115
m
:tatis momen %(4& %m!&
A+si/Be*an
Si'*!l
A A+si Teta
Berat sendiri
): )(
0.757
Beban mati tambahan B A+si Transien Beban lajur ?9?
0.!!7
Beban pedestrian
TP
0.'!5 1.!1!"
Gaa rem A+si Lin$+&n$an
TB
0.0"!'
Pengaruh temperatur
T
0.0'0#
Beban angin
H
0.007' 0.00!0 7.'""'
Beban gempa
F
".!2!" 0.101#
T9
a+t!r
1
3!'*inasi #e'*e*anan 2 4
5
1.20
2.00
2.00
1.#0 1.#0 1.20 1.20 1.00
Baris Tendon 1 2 ! "
Posisi Tendon di Tumpuan I1 a ! 4 d I2 a 2 4 d I! a d I" a
Ii %m&
Baris Tendon
1.#'!5 1.'1!5 1.!'!5 1.11!5
1 2 ! "
Posisi Tendon di Tengah Bentang I1 a ! 4 d I2 a 2 4 d I! a d I" a
Ii %m&
Baris Tendon
,i Ii + Ii
0."#75 0.!'25 0.2!75 0.1125
1 2 ! "
1.!7'0 1.2510 1.12'0 1.0010
", L2
, es
%L
K
1.1##5 m
L
50 m X (') +0.25 0.00 1.00 2.00 !.00 ".00 5.00 '.00 7.00 #.00 .00 10.00 11.00 12.00 1!.00 1".00 15.00 1'.00 17.00 1#.00 1.00 20.00 21.00 22.00 2!.00 2".00
(') +0.02! 0.0000 0.0!2 0.1#2' 0.2'#1 0.!" 0."27 0.5020 0.572" 0.'!# 0.7017 0.7'0' 0.#15# 0.#'71 0.1"7 0.5#" 0.#! 1.0!"5 1.0''# 1.05! 1.1200 1.1"10 1.15#1 1.171" 1.1#0 1.1#''
25.00
1.1##5
X (')
(')
X (') 2'.00 27.00 2#.00 2.00 !0.00 !1.00 !2.00 !!.00 !".00 !5.00 !'.00 !7.00 !#.00 !.00 "0.00 "1.00 "2.00 "!.00 "".00 "5.00 "'.00 "7.00 "#.00 ".00 50.00 50.25
(') 1.1#'' 1.1#0 1.171" 1.15#1 1.1"10 1.1200 1.05! 1.0''# 1.0!"5 0.#! 0.5#" 0.1"7 0.#'71 0.#15# 0.7'0' 0.7017 0.'!# 0.572" 0.5020 0."27 0.!" 0.2'#1 0.1#2' 0.0!2 0.0000 +0.02!
X (')
(')
X (')
(')
+5
0.00 1.00 2.00 !.00 ".00 5.00 '.00 7.00 #.00 .00 10.00 11.00 12.00
0.0000 0.0!2 0.1#2' 0.2'#1 0.!" 0."27 0.5020 0.572" 0.'!# 0.7017 0.7'0' 0.#15# 0.#'71
1".00 15.00 1'.00 17.00 1#.00 1.00 20.00 21.00 22.00 2!.00 2".00 25.00 2'.00
0.5#" 0.#! 1.0!"5 1.0''# 1.05! 1.1200 1.1"10 1.15#1 1.171" 1.1#0 1.1#'' 1.1##5 1.1#''
2#.00 2.00 !0.00 !1.00 !2.00 !!.00 !".00 !5.00 !'.00 !7.00 !#.00 !.00 "0.00
1.171" 1.15#1 1.1"10 1.1200 1.05! 1.0''# 1.0!"5 0.#! 0.5#" 0.1"7 0.#'71 0.#15# 0.7'0'
X (') +0.25 0.00 1.00 2.00 !.00 ".00 5.00 '.00 7.00 #.00 .00 10.00 11.00 12.00
(') +0.02! 0.0000 0.0!2 0.1#2' 0.2'#1 0.!" 0."27 0.5020 0.572" 0.'!# 0.7017 0.7'0' 0.#15# 0.#'71
X (') 1!.00 1".00 15.00 1'.00 17.00 1#.00 1.00 20.00 21.00 22.00 2!.00 2".00 25.00 2'.00
(') 0.1"7 0.5#" 0.#! 1.0!"5 1.0''# 1.05! 1.1200 1.1"10 1.15#1 1.171" 1.1#0 1.1#'' 1.1##5 1.1#''
X (') 27.00 2#.00 2.00 !0.00 !1.00 !2.00 !!.00 !".00 !5.00 !'.00 !7.00 !#.00 !.00 "0.00
(') 1.1#0 1.171" 1.15#1 1.1"10 1.1200 1.05! 1.0''# 1.0!"5 0.#! 0.5#" 0.1"7 0.#'71 0.#15# 0.7'0'
+0.250 0 0.000 0.250
Y (m)
0.500 0.)50 1.000
5
10
1.500
+
K
&
5! 1!.25
X (')
(')
"2.00 "!.00 "".00 "5.00 "'.00 "7.00 "#.00 ".00 50.00 50.25
0.'!# 0.572" 0.5020 0."27 0.!" 0.2'#1 0.1#2' 0.0!2 0.0000 +0.02!
X (') "1.00 "2.00 "!.00 "".00 "5.00 "'.00 "7.00 "#.00 ".00 50.00 50.25
(') 0.7017 0.'!# 0.572" 0.5020 0."27 0.!" 0.2'#1 0.1#2' 0.0!2 0.0000 +0.02!
Lintasan Inti Tendon 5
20
25
30
35
X (m)
$0
$5
50
L
50
N! Baris Ten,!n
J&'la% Stran,
6i (')
,/,X
1
7'
1.!7'
0.1100#
1
2 !
7' 7'
1.251 1.12'
0.1000# 0.000#
2
"
7'
1.001
0.0#00#
"
!
S&,&t An$+&r
0.10'!#57 rad
'.2#1#
0.07"7#' rad 0.0##!75! rad
5.7151 5.1"7!
0.070"# rad
".57#5
Baris Tendon 1 2 ! "
L ,o es b Jara$
Posisi Tendon di Tumpuan I1 a ! 4 I2 a 2 4 I! a d I" a
Ii %m&
Baris Tendon
1.#'!5 1.'1!5 1.!'!5 1.11!5
1 2 ! "
Posisi Tendon di Tengah I1Bentang a!4 I2 a 2 4 I! a d I" a
Ii %m& 0."#75 0.!'25 0.2!75 0.1125
50 m 1.1##5 1."##5
K
Trae Io
I1
%m& +0.25 0.00 1.00 2.00 !.00 ".00 5.00 '.00 7.00 #.00 .00 10.00 11.00 12.00 1!.00 1".00 15.00 1'.00 17.00 1#.00 1.00 20.00 21.00 22.00 2!.00 2".00 25.00
%m& 1.512" 1."##5 1.!5! 1.!05 1.220" 1.1!#' 1.0'0' 0.#'5 0.1'1 0.#"' 0.7#'# 0.727 0.'727 0.'21" 0.57!# 0.5!01 0."02 0."5"0 0."217 0.!!2 0.!'#5 0.!"75 0.!!0" 0.!171 0.!07' 0.!01 0.!000
%m& 1.##7" 1.#'!5 1.755' 1.'521 1.55!1 1."5#" 1.!'#1 1.2#2! 1.200# 1.12!# 1.0511 0.#2 0.10 0.#5' 0.#0"5 0.75! 0.7077 0.''5# 0.'2#" 0.55" 0.5''# 0.5"25 0.5227 0.507! 0."'! 0."#7 0."#75
Posisi baris tendon I2 I! %m& 1.'!7" 1.'1!5 1.515" 1."21! 1.!!1! 1.2"52 1.1'!1 1.0#51 1.0110 0."10 0.#7" 0.#12 0.75"# 0.700# 0.'507 0.'0"7 0.5'27 0.52"' 0."0' 0."'0' 0."!"' 0."125 0.!"5 0.!#05 0.!705 0.!'"5 0.!'25
%m& 1.!#7" 1.!'!5 1.2752 1.105 1.105 1.0!20 0.5#1 0.##7 0.#212 0.75#2 0.'#7 0.'"2 0.50' 0.5"20 0."' 0."555 0."177 0.!#!" 0.!52# 0.!25# 0.!02" 0.2#25 0.2''! 0.25!7 0.2""7 0.2!! 0.2!75
I" %m& 1.1!7" 1.11!5 1.0!50 0.57 0.##77 0.#1## 0.75!1 0.'07 0.'!1" 0.575" 0.5225 0."72 0."2'" 0.!#!2 0.!"!1 0.!0'! 0.2727 0.2"22 0.2150 0.110 0.1702 0.1525 0.1!#1 0.12' 0.11# 0.11"1 0.1125
+5
0
5
10
15
Baris Tendon
,i Ii + Ii
1 2 ! "
1.!7'0 1.2510 1.12'0 1.0010
Jara$ K
Trae Io
I1
%m& 2'.00 27.00 2#.00 2.00 !0.00 !1.00 !2.00 !!.00 !".00 !5.00 !'.00 !7.00 !#.00 !.00 "0.00 "1.00 "2.00 "!.00 "".00 "5.00 "'.00 "7.00 "#.00 ".00 50.00 50.25
%m& 0.!01 0.!07' 0.!171 0.!!0" 0.!"75 0.!'#5 0.!!2 0."217 0."5"0 0."02 0.5!01 0.57!# 0.'21" 0.'727 0.727 0.7#'# 0.#"' 0.1'1 0.#'5 1.0'0' 1.1!#' 1.220" 1.!05 1.!5! 1."##5 1.512"
%m& 0."#7 0."'! 0.507! 0.5227 0.5"25 0.5''# 0.55" 0.'2#" 0.''5# 0.7077 0.75! 0.#0"5 0.#5' 0.10 0.#2 1.0511 1.12!# 1.200# 1.2#2! 1.!'#1 1."5#" 1.55!1 1.'521 1.755' 1.#'!5 1.##7"
Posisi baris tendon I2 I! %m& 0.!'"5 0.!705 0.!#05 0.!"5 0."125 0."!"' 0."'0' 0."0' 0.52"' 0.5'27 0.'0"7 0.'507 0.700# 0.75"# 0.#12 0.#7" 0."10 1.0110 1.0#51 1.1'!1 1.2"52 1.!!1! 1."21! 1.515" 1.'1!5 1.'!7"
%m& 0.2!! 0.2""7 0.25!7 0.2''! 0.2#25 0.!02" 0.!25# 0.!52# 0.!#!" 0."177 0."555 0."' 0.5"20 0.50' 0.'"2 0.'#7 0.75#2 0.#212 0.##7 0.5#1 1.0!20 1.105 1.105 1.2752 1.!'!5 1.!#7"
I" %m& 0.11"1 0.11# 0.12' 0.1!#1 0.1525 0.1702 0.110 0.2150 0.2"22 0.2727 0.!0'! 0.!"!1 0.!#!2 0."2'" 0."72 0.5225 0.575" 0.'!1" 0.'07 0.75!1 0.#1## 0.##77 0.57 1.0!50 1.11!5 1.1!7"
20
25
30
35
$0
Tenon 1 Tenon 2 Tenon 3 Tenon $
$5
50
55
K %m& 0 2 " ' # 10 12 1" 1' 1# 20 22 2" 2' 2# !0 !2 !" !' !# "0 "2 "" "' "# 50
K %m& 0 2 " ' # 10 12 1" 1'
*ombinasi ! )omen ) Geser = %$m& %$& +1#557.# +7"2.7! +""15.2! +'!'.#7 ##17.720 +'!25.5' 211"0.#'5 +5711.0' !1!0.12 +521#.2 "1''5.#1 +"'0'.1' 50"1."! +!2." 5727.!' +!".5! '"1'5.72 +2##'.755 '"!.# +227!.7!1 7!57'.51 +17#0.#'' 7'!17."5 +11'7.!5! 7#11'.2' +!7.!#1 7#752.2" '25.#'2 7''21 1!22.0"" 7!"1".5! 1!!.'027 '250.5 2"2'."'7" '!"5'.!' !0"1."51! 5'752.5! !'52.5" "1!#.5 "2'7.!!!5 !"!."2 "7'0.1#! 27"2.2#2 5!71.' 1#'!1.1"5 5#'.000" '0#2.2"2 '"7#.#'51 +7'1'.15 701.!# +1#5#.52 7"71.722
*ombinasi ! )omen ) Geser = %$m& %$& +1#557.# 7"2.7! +""15.2! '!'.#7 ##17.720 '!25.5' 211"0.#'5 5711.0' !1!0.12 521#.2 "1''5.#1 "'0'.1' 50"1."! !2." 5727.!' !".5! '"1'5.72 2##'.755
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