BAB 3 BAB 3
DATA-DATA YANG DIKETAHUI DATA-DATA YANG DIKETAHUI Data yang diperlukan dalam
Data yang diperlukan dalam perencanaan Kepala Jembatan (Abutment) adalah sebagai perencanaan Kepala Jembatan (Abutment) adalah sebagai berikut:berikut:
aa11 == 00..77 mm hh11 == 00..!! mm aa"" == 00..## mm hh"" == 00..!! mm bb11 == 00..$$ mm hh## == 11..%% mm bb"" == 00..!! mm hh$$ == 11..$$ mm bb## == 00..!! mm hh!! == 11..!! mm bb$$ == "" mm hh%% == 11..!! mm &
& ''aannaanng g AAbbuuttmmeenntt (()) == 11** mm &
& ++eebbaal l DDiinnddiinng g ''eenn,,ppaanngg ((tt)) == 00..$$!! mm &
& JJaarraak k AAnnttaar r DDiinnddiinng g ''eenn,,ppaanngg ((11)) == $$ mm (("")) == $$..7777!! mm &
& ++iinnggggi i AAbbuuttmmeenntt ((hh)) == $$ mm &
& eebbaar r DDaassaarr ((bb)) == ##..$$ mm &
& --eebbaan n aatti i / / --eebbaan n iidduup p (()) == %%000 t0 t22mm &
& --eebbaan n eerraattaa ((33)) == ""1100 tt22mm44 &
& 55uudduut t KKeemmiirriinnggaan n ((66nnkklliinnaassii)) (()) == ##00 88 &
& --J J --eett,,nn ((99bb)) == ""..$$ tt22mm asil 5,ndir ;,. 666-< pada
asil 5,ndir ;,. 666-< pada kedalaman $ m dari kedalaman $ m dari 'eil +'eil +anahanah == 00..00"" >> + +?? == 1100 kkgg22ccmm ??ss == 00..11 kkgg22ccmm"" 33cc == !! kkgg22ccmm"" asil ab,rat,rium ;,. " asil ab,rat,rium ;,. " &
& aaccaam m ++aannaahh == eemmppuunng g hhiittaam m / / kkuulliit t kkeerraanngg< < ssaannggaat t lluunnaak k ((@@eerry y ss,, &
& ,,ll,,s s ssaarriinnggaan n ;;,,mm,,r r ""0000 == **.. >> &
& --eerraat t 66ssii ((99)) == 11..##!! tt22mm &
& --eerraat t JJeenniiss ((BB)) == ""..##77 &
& KKaaddaar r AAiirr ((CC)) == 77**..%% >> & Angka Atterberg :
& Angka Atterberg : --aattaas s aaiirr (()) == **$$ >> --aattaas s ''llaassttiiss (('')) == ##77 >> 66nnddeekks s ''llaassttiissiittaass ((''66)) == $$77 >> &
& EEnncc,,nnFFiinneedd ((33uu)) == 11..""!! tt22mm44 & Direct 5hear :
& Direct 5hear :
55uudduut t BBeesseer r DDaallaamm ((GG)) == ""00 HH K
K,,hheessii (()) == ""..!! tt22mm44
& akt,r Daya Dukung menurut +erIaghi (dengan 5udut Beser G = "0H) & akt,r Daya Dukung menurut +erIaghi (dengan 5udut Beser G = "0H)
G G == ""00 HH ; ;cc == 1111..** ; ;33 == ##.. ; ;99 == 11..77 ; ;3322;;cc == 00..####00!!11 ttaannGG == 00..##%%$$ &
& --eerraat t 66ssii ((99)) == 11..##!! tt22mm## &
& eebbaar r DDaassaar r AAbbuuttmmeenntt ((bb)) == ##..$$ mm &
& KKeeddaallaammaan n '',,nnddaassii ((dd)) == 11 mm &
?t) ?t)
BAB 4 BAB 4 TINJAU
TINJAUAN TEORAN TEORITISITIS -erdasar
-erdasarkan kan data&data data&data yg yg telah telah diketahui diketahui dari dari bab bab sebelumnysebelumnya< a< maka maka untuk untuk merencanakmerencanakanan struktur kepala embatan (Abutment) dengan dinding
struktur kepala embatan (Abutment) dengan dinding pen,pang berupa bet,n digunakan suatupen,pang berupa bet,n digunakan suatu rumus&rumus perhitungan berdasark
rumus&rumus perhitungan berdasarkan catatan an catatan pekuliahan ekayasa ',ndasi 1< sebagai pekuliahan ekayasa ',ndasi 1< sebagai berikut :berikut : 1. Kapasitas Daya Dukun
1. Kapasitas Daya Dukun A. Kapasitas Da
A. Kapasitas Daya Dukya Dukun U!ti"at# $ %& 'un U!ti"at# $ %& '
Kapasitas Daya Dukung Eltimate dideFinisikan sebagai
Kapasitas Daya Dukung Eltimate dideFinisikan sebagai tekanan terkecil yg dapat tekanan terkecil yg dapat menyebabk
menyebabkan keruntuhan geser pada an keruntuhan geser pada tanah pendukung tepat di tanah pendukung tepat di baCah danbaCah dan di sekeliling p,ndasi.
di sekeliling p,ndasi.
Kapasitas Daya Dukung Ultimate pada pondasi
Kapasitas Daya Dukung Ultimate pada pondasi jalur dangkal (menurut Terzaghi):jalur dangkal (menurut Terzaghi): 3?
3? = = "2# . "2# . 1.# 1.# . ;c / . ;c / 9 . D 9 . D . ;3 . ;3 / 0.$ / 0.$ 9 . - 9 . - . ;9. ;9 B. Kapasitas Daya Dukun U!ti"at# N#tt( $ %n& '
B. Kapasitas Daya Dukun U!ti"at# N#tt( $ %n& ' 3n?
3n? = = "2# . 1"2# . 12# . 2# . ;c / ;c / 9 . D 9 . D (;3 & 1(;3 & 1) / 0.$ ) / 0.$ 9 . - 9 . - . ;9. ;9 ). Kapasitas Daya Dukun A"an $ %s '
). Kapasitas Daya Dukun A"an $ %s ' 3s
3s == 3n? 3n? / 9 . D/ 9 . D
D. B#*an +aksi"u" yan A"an $ %a!! ' D. B#*an +aksi"u" yan A"an $ %a!! '
3all
3all = = - - . . . . 3s3s Keterangan :
Keterangan :
-- == eebbaar r DDaassaar r '',,nnddaassi i ((mm)) D
D == KKeeddaallaammaan n DDaassaar r '',,nnddaassi i ((mm))
==
99 ==
33 ==
== aakktt,,r r KKeeaammaannaann ;
;cc< < ;;33< ;< ;99 == aakktt,,r r DDaayya Da Duukkuunng g yyaanng g ddiippeennggaarruuhhi i 55uudduut Bt Baayya Ba Beesseerr Dalam (G)
Dalam (G) ,. Daya Dukun Tana yan Diiinkan ,. Daya Dukun Tana yan Diiinkan A. Aki*at T
A. Aki*at Tana Akti& ana Akti&
+ekanan +anah Akti? adalah tanah urugan bergerak l,ngs,r menekan dinding. +ekanan +anah Akti? adalah tanah urugan bergerak l,ngs,r menekan dinding. 1. +ekanan +anah Akti?
1. +ekanan +anah Akti? Ka Ka == GG )) "" ''aa11 == 33. . KKaa ''aa"" == 9 9 . . KKaa. . ''aa == 33. . . . KKa a / / 1122" " . . . . "" ". +ekanan +anah Akti? +,tal
". +ekanan +anah Akti? +,tal
''aa == 33. . . . KKa a / / 1122" " . . . . " " . . KKaa ''hh == ''a a . . cc,,s s
''@@ == ''a a . . ssiin n Keterangan :
Keterangan :
''aa == ++eekkaannaan n ++aannaah h AAkkttii? ? K
Kaa == KK,,eeFFiissiieen n ++eekkaannaan n ++aannaah h AAkkttii? ? #. 'a esultant
#. 'a esultant
''aarr == ''aa1 1 / / ''aa"" +inggi 'a1
+inggi 'a1
K,hesi (t2m K,hesi (t2m²²))
-erat 6si +anah (t2m -erat 6si +anah (t2m³³)) 9 . D (t2m
9 . D (t2m²²))
tan
''aa11 == 1122" " . . +inggi 'a"
+inggi 'a"
''aa"" == 1122# # . . +itiik K,,rdinat 'ar
+itiik K,,rdinat 'ar
''aar r (()) == ((''aa1 1 . . 1122" " ) ) / / ((''aa" " . . 1122# # )) B. Aki*at Tana /asi&
B. Aki*at Tana /asi&
+ekanan +anah 'asi? adalah gaya dinding mend,r,ng dinding penahan ke arah +ekanan +anah 'asi? adalah gaya dinding mend,r,ng dinding penahan ke arah 1. K,eFisien +ekanan +anah 'asi?
1. K,eFisien +ekanan +anah 'asi? Kp
Kp == GG ))
cc ". 6ntensitas +ekanan +anah 'asi?
". 6ntensitas +ekanan +anah 'asi? 'p
'p ==
#. encari 'p
#. encari 'p esultant esultant
''pp11 == + +iinnggggi i ''pp11 == 1122" " . . ''pp"" == + +iinnggggi i ''pp"" == 1122# # . . Keterangan : Keterangan :
''pp == ++eekkaannaan n ++aannaah h ''aassii? ? K
Kpp == KK,,eeFFiissiieen n ++eekkaannaan n ++aannaah h ''aassii? ? ). Ru"us K(n0(! T#0aap G#!in2i0
). Ru"us K(n0(! T#0aap G#!in2i0
ss == mm. . @@ h h dimana< s L 1.!
dimana< s L 1.!
D. Ru"us K(nt0(! T#0aap Gu!in D. Ru"us K(nt0(! T#0aap Gu!in
,, == MMrr NN MMCC..-
-M
M ,, M M p p . . AA dimana<
dimana< , , berkisar berkisar antara antara 1.! 1.! & & ".0".0 E. Ru"us K(nt0(! T#0aap Kapasitas Daya Dukun E. Ru"us K(nt0(! T#0aap Kapasitas Daya Dukun
O O PP 33aallll luas luas 33mmaa == @@ QQ11// %%..ee RR -- - -33mmiinn == @@ QQ11&& %%..ee RR -- - -33mmaa PP 33aallll (tan (tan²² $! $! 12" . . 12" . . ²² . Kp . Kp 12" . . Kp . 12" . . Kp . ²² 12# . . Kp . 12# . . Kp . ²²
aa11 == 00..77 mm hh11 == 00..!! aa"" == 00..## mm hh"" == 00..!! bb11 == 00..$$ mm hh## == 11..%% bb"" == 00..!! mm hh$$ == 11..$$ bb## == 00..!! mm hh!! == 11..!! bb$$ == "" mm hh%% == 11..!! bbSStt,,ttaallTT == ##..$$ mm hhSStt,,ttaallTT == $$ 33 == ""1100 tt22mm44 dd == 11 == %%0000 tt22mm hh77 == 11..11!!$$770011 BAB BAB /EREN)ANAAN /EREN)ANAAN .1 A*ut"#nt .1 A*ut"#nt .1.1 A*ut"#nt D#nan
.1.1 A*ut"#nt D#nan )(unt#0&(0t )(unt#0&(0t
1. encari uas 'enampang ',ndasi Dengan ,unter?,urt 1. encari uas 'enampang ',ndasi Dengan ,unter?,urt
A1 = A1 = h1 bh1 b == 0<! #<$0<! #<$ == 1.71.700 m4m4 A" = A" = (h" / h#) b"(h" / h#) b" == (0<! / 1<%) 0<!(0<! / 1<%) 0<! == 1.01.0!! m4m4 A# = A# = h" (b# / b$ & 0<!)h" (b# / b$ & 0<!) == 0<! (0<! / " & 0<!)0<! (0<! / " & 0<!) == 1.01.000 m4m4 A$ = A$ = 0<! 0<! h"0<! 0<! h" == 0<! 0<! 0<!0<! 0<! 0<! == 0.10.1## m4m4 A! = A! = 0<! 1<! h!0<! 1<! h! == 0<! 10<! 1<! 1<<! 1<!! == 1.11.1## m4m4 A% = A% = 0<! b# h!0<! b# h! == 0<! 00<! 0<! 1<<! 1<!! == 0.#0.#** m4m4 A7 = A7 = 0<! b# h!0<! b# h! == 0<! 00<! 0<! 1<<! 1<!! == 0.#0.#** m4m4 A* = A* = (h# & h!) b#(h# & h!) b# == (1<% & (1<% & 1<! ) 1<! ) 0<!0<! == 0.00.0!! m4m4 A =
A = h$ h$ a"a" == 1<$ 1<$ 0< 0<## == 00..$$"" mm44 A +
A +,t,tal al == A1 A1 / A/ A" / A" / A# / A# / A$ / A$ / A! / A! / A% / A% / A7 / A7 / A* / A* / A
== 1<7 / 1<0! / 1 /0<1# /11<7 / 1<0! / 1 /0<1# /1<1# / 0<#* / 0<#* / 0<0<1# / 0<#* / 0<#* / 0<0! / 0<$! / 0<$ == %%.."""" mm44
". 5tatis ,men +erhadap 5umbu U ". 5tatis ,men +erhadap 5umbu U
55 A A ((mm44)) y y ((mm)) AA..y y ((mm)) 11 11..7700 00..""!! 00..$$""!! "" 11..00!! 11..!!!! 11..%%""77!! ## 11..0000 00..77!! 00..77!! $$ 00..11## 00..**################## 00..1100$$11%%%%77 !! 11..11## "" ""..""!! %% 00..##** 11..!! 00..!!%%""!! 77 00..##** "" 00..77!! ** 00..00!! ""..!!!! 00..11""77!! 00..$$"" ##..## 11..##**%% M M %%..!!%%%%%%%%77 #. 5tatis ,men +erhadap 5umbu V
#. 5tatis ,men +erhadap 5umbu V
55 A A ((mm44)) ((mm)) AA.. ((mm)) 11 11..7700 11..77 ""..** "" 11..00!! 00..%%!! 00..%%**""!! ## 11..0000 11.. 11.. $$ 00..11## ##..00%%%%%%%%%%%%%%%%77 00..##**########## !! 11..11## 11.. ""..11##77!! %% 00..##** 11..""################## 00..$$%%""!! 77 00..##** 11..00%%%%%%%%%%%%%%%%77 00..$$ ** 00..00!! 11..11!! 00..00!!77!! 00..$$"" 11..""!! 00..!!""!! M M ..$$##**######## $. +itik -erat +erhadap 5umbu U
$. +itik -erat +erhadap 5umbu U
UU1 1 == 55ttaattiis s ,,mmeen n ++eerrhhaaddaap p 55uummbbu u VV == ..$$##**###### uuaass++,,ttaall %%.."""" !!. . ++iittiik k --eerraat t ++eerrhhaaddaap p 55uummbbu u VV == %%..!!%%%%%%77
VV1 1 == 55ttaattiis s ,,mmeen n ++eerrhhaaddaap p 55uummbbu u UU %%.."""" uas +,tal
uas +,tal
%. W,lume Abutment Dengan ,unter?,rt (! Dinding 'enahan) %. W,lume Abutment Dengan ,unter?,rt (! Dinding 'enahan)
W1 =
W1 = (uas +(uas +,tal +,tal +ebal Dinding Jumlah Dinding 'en,pang)ebal Dinding Jumlah Dinding 'en,pang) == (%<"" (%<"" 0<$! !0<$! !))
== 11##..! m! m
7. -erat Abutment Dengan ,unter?,urt 7. -erat Abutment Dengan ,unter?,urt
O1 =
O1 = (uas +(uas +,tal +,tal +ebal Dinding -J -et,n Jumlah Dinding 'en,pang) / O"ebal Dinding -J -et,n Jumlah Dinding 'en,pang) / O" == (%<"" 0<(%<"" 0<$! "<$ !$! "<$ !))
== ####..!!*** +* +
Atau Atau O1 =
O1 = WW,lume Abutment -J -et,n,lume Abutment -J -et,n == 1$ 1$ "<$"<$
== ####..!!*** +* +
.1., A*ut"#nt Tanpa )(unt#0&(0t .1., A*ut"#nt Tanpa )(unt#0&(0t 1. encari
1. encari uas 'enampang ',ndasi +anpa ,unter?,urt uas 'enampang ',ndasi +anpa ,unter?,urt A1 =
== 0<! #<$0<! #<$ == 1.71.700 m4m4 A" = A" = (h" / h#) b"(h" / h#) b" == (0<! / 1<%) 0<!(0<! / 1<%) 0<! == 1.01.0!! m4m4 A# = A# = 0<! b# h!0<! b# h! == 0<! 00<! 0<! 1<<! 1<!! == 0.#0.#** m4m4 A$ = A$ = (h# & h!) b#(h# & h!) b# == (1<% & (1<% & 1<! ) 1<! ) 0<!0<! == 0.00.0!! m4m4 A! = A! = h$ h$ a"a" == 1<$ 1<$ 0< 0<## == 00..$$"" mm44 A
A ++,t,tal al == A1 A1 / / A" A" / / A# A# / / A$ A$ / A/ A!! == 1<7 / 1<0! / 0<#* / 0<01<7 / 1<0! / 0<#* / 0<0! / 0<$! / 0<$ == ##..%%00 mm44
". 5tatis ,men +erhadap 5umbu U ". 5tatis ,men +erhadap 5umbu U
55 A A ((mm44)) y y ((mm)) AA..y y ((mm)) 11 11..7700 00..""!! 00..$$""!! "" 11..00!! 11..!!!! 11..%%""77!! ## 00..##** "" 00..77!! $$ 00..00!! ""..!!!! 00..11""77!! !! 00..$$"" ##..## 11..##**%% M M $$..##11%%
#. 5tatis ,men +erhadap 5umbu V #. 5tatis ,men +erhadap 5umbu V
55 A A ((mm44)) ((mm)) AA.. ((mm)) 11 11..7700 11..77 ""..** "" 11..00!! 00..%%!! 00..%%**""!! ## 00..##** 11..00%%%%%%%%%%%%%%%%77 00..$$ $$ 00..00!! 11..11!! 00..00!!77!! !! 00..$$"" 11..""!! 00..!!""!! M M $$..!!!!!!
$. +itik -erat +erhadap 5umbu U $. +itik -erat +erhadap 5umbu U
UU" " == 55ttaattiis s ,,mmeen n ++eerrhhaaddaap p 55uummbbu u VV == $$..!!!!!!
uuaass++,,ttaall ##..%%00
!. +itik -erat +erhadap 5umbu V !. +itik -erat +erhadap 5umbu V
VV" " == 55ttaattiis s ,,mmeen n ++eerrhhaaddaap p 55uummbbu u UU == $$..##11%%
uuaass++,,ttaall ##..%%00
%. W,lume Abutment +anpa ,unter?,rt (! Dinding 'enahan) %. W,lume Abutment +anpa ,unter?,rt (! Dinding 'enahan)
W1 =
W1 = uas +uas +,tal (1 & t) Jumlah -entang Abutment ,tal (1 & t) Jumlah -entang Abutment == #<% ($ & 0#<% ($ & 0<$!) "<$!) "
== ""!!..!!""$$!! mm W" =
== #<% ($<7#<% ($<77! & 0<$!7! & 0<$!) ") " == ##11..00%%** mm W" W" == W1 W1 / / W"W" == "! / "! / #1#1 == !!%%..%%""11## mm 7. -erat Abutment
7. -erat Abutment ++anpa ,unter?,urt anpa ,unter?,urt O" =
O" = uas +uas +,tal 'anang Abutment tanpa ,unter?,rt -J -et,n,tal 'anang Abutment tanpa ,unter?,rt -J -et,n == #<% (1* & (0<$#<% (1* & (0<$! !)) "<$! !)) "<$
== 11##!!..**11 ++
Atau Atau O" =
O" = WW,lume Abutment +,lume Abutment +anpa ,unter?,urt -J -et,nanpa ,unter?,urt -J -et,n == %"% %"% "< "<$$ == 11##!!..**11 ++ ., Tana /#nisi ., Tana /#nisi .,.1 Tana Akti& .,.1 Tana Akti& h7 = h7 = tan tan b$ b$ == tan tan #0 "#0 " == 11..11!!$$7 m7 m 1. encari uas +anah Akti? 1. encari uas +anah Akti?
A1 = A1 = 0<! h0<! h! b#! b# == 0<! 10<! 1<! 0<<! 0<!! == 00..##77!! mm44 A" = A" = h" h" (b# (b# / b/ b$)$) == 0<! (0<! (0<! / "0<! / ")) == 11..""!! mm44 A# = A# = (h# / h(h# / h$) b$) b$$ == (1<(1<% / 1<$) "% / 1<$) " == %% mm44 A$ = A$ = 0<! h0<! h7 b$7 b$ == 0<! 10<! 1<1! "<1! " == 11..11!!$$7 m7 m44 A +
A +,tal =,tal = A1 / A" / A# / A$A1 / A" / A# / A$ == 0<#* / 1<"0<#* / 1<"!/ % / 1<1!!/ % / 1<1! == **..77777 m7 m44
". 5tatis ,men +erhadap 5umbu U ". 5tatis ,men +erhadap 5umbu U
55 A A ((mm44)) y y ((mm)) AA..y y ((mm)) 11 00..##** 11..!! 00..!!%%""!! "" 11..""!! 00..77!! 00..##77!! ## %%..0000 ""..!! 11!! $$ 11..11!! $$..##**$$00001177!! !!..00%%##""$$%%%% M M ""11..!!%%##""$$77 #. 5tatis ,men +erhadap 5umbu V
#. 5tatis ,men +erhadap 5umbu V
55 A A ((mm44)) ((mm)) AA.. ((mm)) 11 00..##** 11..""################## 00..$$%%""!!
"" 11..""!! ""..11!! ""..%%**77!!
## %%..0000 ""..$$ 11$$..$$
$$ 11..11!! ""..77################## ##..11!!%%11**11!! M
M ""00..7700%%11**11 $. +itik -erat +erhadap 5umbu U
$. +itik -erat +erhadap 5umbu U
UU# # == 55ttaattiis s ,,mmeen n ++eerrhhaaddaap p 55uummbbu u VV == ""00..7700%%11**
uuaass++,,ttaall **..77**
!. +itik -erat +erhadap 5umbu V !. +itik -erat +erhadap 5umbu V
VV# # == 55ttaattiis s ,,mmeen n ++eerrhhaaddaap p 55uummbbu u UU == ""11..!!%%##""!!
uuaass++,,ttaall **..77**
%. W,lume +anah Akti? %. W,lume +anah Akti?
Wa =
Wa = uas +uas +,tal +,tal +anah 'anang Abutment anah 'anang Abutment == *<7* *<7* 1* 1*
== 11!!**..00##!! mm 7. uas ,unter?,rt 7. uas ,unter?,rt
Ac =
Ac = uas 'enampang Dengan ,unter?,rt & uas 'enampang +uas 'enampang Dengan ,unter?,rt & uas 'enampang +anpa ,unter?,rt anpa ,unter?,rt == %<"" %<"" & #<%& #<%
== ""..%%## mm44 *. W,lume ,unter?,rt *. W,lume ,unter?,rt
W
Wc =c = uas ,unter?,rt +uas ,unter?,rt +ebal Dinding Jumlah Dinding 'en,pangebal Dinding Jumlah Dinding 'en,pang == "<%# "<%# 0<$ 0<$! !! !
== !!..00%%""!! mm . W,lume +,tal +anah Akti? . W,lume +,tal +anah Akti?
W# =
W# = WW,lume +anah Akti? & W,lume +anah Akti? & W,lume ,unter?,rt ,lume ,unter?,rt == 1!* & 1!* & !<1!<1
== 11!!""..11""** mm 10. -erat +,tal +anah Akti? 10. -erat +,tal +anah Akti?
O# =
O# = WW,lume +,tal +,lume +,tal +anah Akti? anah Akti? -J +anah-J +anah == 1!" 1!" 1<#!1<#!
== ""00!!..##77## ++ .,., Tana /asi& .,., Tana /asi& 1. uas +anah 'asi? 1. uas +anah 'asi?
A =
A = h" h" b1b1 == 0<! 0<! 0< 0<$$ == 00.."" mm44 ". W,lume +anah 'asi? ". W,lume +anah 'asi?
W% =
W% = uas +uas +anah 'asi? 'anah 'asi? 'anang Abutment anang Abutment == 0<" 0<" 1* 1*
== ##..%% mm #. -erat +anah 'asi? #. -erat +anah 'asi?
O% =
O% = WW,lume +anah ',lume +anah 'asi? -J +anahasi? -J +anah == #<% #<% 1<#!1<#!
== $$..**%% ++
$. +itik -erat terhadap 5umbu U $. +itik -erat terhadap 5umbu U
U% =
U% = 0<! 0<! b1b1 == 0<! 0<! 0< 0<$$ == 00.."" mm
!. +itik -erat terhadap 5umbu V !. +itik -erat terhadap 5umbu V
V% = V% = (0<! h") (0<! h") / h1/ h1 == (0<! (0<! 0<!) / 0<!) / 0<!0<! == 00..77!! .3 B#*an +#0ata .3 B#*an +#0ata 1. -erat -eban erata 1. -erat -eban erata
O$ =
O$ = 3 sin 3 sin b$ b$ == "10 sin #"10 sin #0 " 1*0 " 1* == ##77**00 ++
". +itik -erat +erhadap 5umbu U ". +itik -erat +erhadap 5umbu U
U$ =
U$ = (0<! b$) / b(0<! b$) / b# / b" / b1# / b" / b1 == (0<! ") (0<! ") / 0<! / 0<! / / 0<! / 0<! / 0<$0<$ == ""..$$ mm
#. +itik -erat +erhadap 5umbu V #. +itik -erat +erhadap 5umbu V
V$ =
V$ = (0<! (0<! h7) / hh7) / h == (0<! (0<! 1<1!) / 1<1!) / $$ == $$..!!7777##!! mm
.4 B#*an Hiup an B#*an +ati .4 B#*an Hiup an B#*an +ati 1. -erat -eban idup dan -eban ati 1. -erat -eban idup dan -eban ati
O! =
O! = (-eban idup dan -eban ati) '(-eban idup dan -eban ati) 'anang Abutment anang Abutment == %00 %00 1* 1*
== 1100**0000 ++
". +itik -erat +erhadap 5umbu U ". +itik -erat +erhadap 5umbu U
U! =
U! = (0<! a1(0<! a1) / b1) / b1 == (0<! (0<! 0<7) / 0<7) / 0<$0<$ == 00..77!! mm
#. +itik -erat +erhadap 5umbu V #. +itik -erat +erhadap 5umbu V
V! =
V! = h & hh & h$$ == $ & 1$ & 1<$<$ == ""..%% mm
. T#kanan Tana Akti& Dan Tana /asi& . T#kanan Tana Akti& Dan Tana /asi& ..1 T#kanan Tana Akti&
1. K,eFisien +anah Akti? 1. K,eFisien +anah Akti?
K Kaa== ttaann44 $$!! && GG "" == ttaann44 $$!! && "0"0 "" == 00..$$00"" ". 6ntensitas
". 6ntensitas ++ekanan +anah Akti? ekanan +anah Akti? = = h1 / h" / h# / h$ / (h7 tan )h1 / h" / h# / h$ / (h7 tan ) == 0<! / 0<! / 1<% / 1<$ / (1<10<! / 0<! / 1<% / 1<$ / (1<1! tan #08)! tan #08) == $$..%%%%%%%%77 mm 'a 1 = 'a 1 = 3 Ka b3 Ka b == "10 0<$ "10 0<$ $<7 #<$ $<7 #<$ == 11%%####..%%!! ++ 'a " = 'a " = 0<! 9 Ka 0<! 9 Ka 4 b 4 b == 0<! 1<#! 0<$ $<70<! 1<#! 0<$ $<74 #<$4 #<$ == ""$$..!!00$$77 ++
#. enentukan 'a esultan (' ar) #. enentukan 'a esultan (' ar)
' ar = ' ar = 'a 1 / ''a 1 / 'a "a " == 1%## 1%## / "$/ "$ == 11%%!!**..11!! ++ 'ah = 'ah = ' ar c,s ' ar c,s == 1%!* c1%!* c,s #0,s #0 == 11$$##%% ++ 'a
'a@ =@ = ' ar sin ' ar sin == 1%!* 1%!* sin # sin #00 == **""..0077%% ++
$. enentukan +itik K,,rdinat ' ar $. enentukan +itik K,,rdinat ' ar
'
' ar ar . . V1 V1 = = S S 'a 'a 1 1 12" 12" T T / / S S 'a 'a " " 12# 12# TT V1 =
V1 = S(1%## 0<! $<7) / ("! 12# $<7)T 2 1%!*S(1%## 0<! $<7) / ("! 12# $<7)T 2 1%!* == ""..##""11**$$ mm
..,T#kanan Tana /asi& ..,T#kanan Tana /asi& 1. K,eFisien +anah 'asi? 1. K,eFisien +anah 'asi?
K Kpp== ttaann44 $$!! // GG "" == ttaann44 $$!! // #0#0 "" == ##
". 6ntensitas +ekanan +anah 'asi? ". 6ntensitas +ekanan +anah 'asi?
=h" =h" == 00..!! mm 'p 1 = 'p 1 = 12" Kp 9 12" Kp 9 4 b 4 b = = 12" 12" # # 1<#! 1<#! 0<!4 0<!4 #<$ #<$ == 11..77""11""!! ++ #. enentukan 'p esultan (' pr) #. enentukan 'p esultan (' pr) ' pr ' pr == ''''11 == 11..77""11""!! ++
$. enentukan +itik K,,rdinat ' pr $. enentukan +itik K,,rdinat ' pr
' pr ' pr . V" . V" = = S 'p S 'p 1 1 12" 12" T T V" = V" = (S1<7" 0<! 0<!(S1<7" 0<! 0<!T) 2 1<7" +T) 2 1<7" + == 00..$$##00##11 mm . R#su!tan Gaya . R#su!tan Gaya
..1 R#su!tant# Titik B#0at T(ta! 5A ..1 R#su!tant# Titik B#0at T(ta! 5A
esultante Baya +
esultante Baya +,tal pada ,tal pada Abutment dengan Abutment dengan ,unter?,rt ,unter?,rt
--eerraatt((OO11)) == ####..!!****
ppaadda a ttiittiik k bbeerraat t ( ( UU11<<VV11)) = = (( 11..!!1177$$1177 uuaass((AA++,,ttaall)) == %%.."""" 55ttaattiis s ,,mmeen n tteerrhhaaddaap p 55uummbbu u UU == %%.."""" 55ttaattiis s ,,mmeen n tteerrhhaaddaap p 55uummbbu u VV == %%.."""" esultante Baya +
esultante Baya +,tal pada ,tal pada Abutment tanpa Abutment tanpa ,unter?,rt ,unter?,rt
--eerraatt((OO"")) == 11##!!..**11
ppaadda a ttiittiik k bbeerraat t ( ( UU""<<VV"")) = = (( 11..""%%7700##**
uuaass((AA++,,ttaall)) == ##..%%00
55ttaattiis s ,,mmeen n tteerrhhaaddaap p 55uummbbu u UU == ##..%%00 55ttaattiis s ,,mmeen n tteerrhhaaddaap p 55uummbbu u VV == ##..%%00 M
M--eerraattOOAA == ####..!!****
M
Muuaass == %%..""""
M
M 55ttaattiis s ,,mmeen n tteerrhhaaddaap p 55uummbbu u UU == %%..!!%%%%%%77 M
M 55ttaattiis s ,,mmeen n tteerrhhaaddaap p 55uummbbu u VV == ..$$##**###### 1. esultante +itik -erat
1. esultante +itik -erat ++,tal (O,tal (OA) terhadap 5umA) terhadap 5umbu Ubu U U
U == 11##..#### :: ..**11!! == 11..$$""!!7711 mm ". esultante +itik -erat
". esultante +itik -erat ++,tal (O,tal (OA) terhadap 5umA) terhadap 5umbu Vbu V V
V == 1100..11""77 :: ..**11!! == 11..111111**$$ mm #. +itik -erat OA teradi pada K,,rdinat (U<V)
#. +itik -erat OA teradi pada K,,rdinat (U<V)
== (( 11..$$""!!7700**$$** << 11..111111**##!!%%""!!77 )) .., R#su!tant# Titik B#0at Tana /#nisi 5T
esultante Baya +
esultante Baya +,tal pada ,tal pada ++anah 'engisi (sisi anah 'engisi (sisi belakang Abutment)belakang Abutment)
--eerraat t ++aannaah h ''eennggiissi i ((OO##)) == ""00!!..##77#### ppaadda a ttiittiik k bbeerraat t ( ( UU##<<VV##)) = = (( ""..##!!**$$11!!
uuaass((AA++,,ttaall)) == **..77**
55ttaattiis s ,,mmeen n tteerrhhaaddaap p 55uummbbu u UU == **..77** 55ttaattiis s ,,mmeen n tteerrhhaaddaap p 55uummbbu u VV == **..77** esultante Baya +
esultante Baya +,tal pada ,tal pada ++anah 'engisi (sisi anah 'engisi (sisi depan Abutment)depan Abutment)
--eerraat t ++aannaah h ''eennggiissi i ((OO%%)) == $$..**%% ppaadda a ttiittiik k bbeerraat t ( ( UU%%<<VV%%)) = = (( 00..""
uuaass((AA++,,ttaall)) == 00..""00
55ttaattiis s ,,mmeen n tteerrhhaaddaap p 55uummbbu u UU == 00..""00 55ttaattiis s ,,mmeen n tteerrhhaaddaap p 55uummbbu u VV == 00..""00 M
M--eerraattOO++ == ""00!!..##77####
M
Muuaass == **..77**
M
M 55ttaattiis s ,,mmeen n tteerrhhaaddaap p 55uummbbu u UU == ""11..!!%%##""!! M
M 55ttaattiis s ,,mmeen n tteerrhhaaddaap p 55uummbbu u VV == ""00..7700%%11** 1. esultante +itik -erat
1. esultante +itik -erat ++,tal (O,tal (OA) terhadap 5umA) terhadap 5umbu Ubu U U
U = "= "00..77$$%%"" :: **..77770000!! == ""..##1100##$$ mm ". esultante +itik -erat
". esultante +itik -erat ++,tal (O,tal (OA) terhadap 5umA) terhadap 5umbu Vbu V V
V = "= "11..7711##"" :: **..77770000!! == ""..$$11**00$$ mm #. +itik -erat OA teradi pada K,,rdinat (U<V)
#. +itik -erat OA teradi pada K,,rdinat (U<V)
== (( ""..##1100##$$""""$$1177 << ""..$$11**00##%%**""7711 )) ..3 R#su!tant# Gaya 6#0tika! R7
..3 R#su!tant# Gaya 6#0tika! R7 @
@ == / / OOA A / / O+ O+ / / 3 3 sin sin / / 'a@'a@ == 10*00 / 1% / "10 / #710*00 / 1% / "10 / #7*0 / *"*0 / *" == 11!!77****..** ++
-esar masing&masin
-esar masing&masing Baya Wertikal dan K,,rdinatnyag Baya Wertikal dan K,,rdinatnya == 1100**0000 ((UU<<VV)) == O OAA== 11%%..$$77 ((UU<<VV)) == O O++== ""1100..""#### ((UU<<VV)) == 3 3== ##77**00 ((UU<<VV)) == ''aa@@ == **""..0077%% ((UU<<VV)) == @ @. . U U == . . U U / / OOA A . . U U / / O+ O+ . . U U / / 3 3 . . U U / / 'a@ 'a@ . . UU U = U = ((10*00 0<7!) / (1% 1<$) / ("10 "<#1) / ((10*00 0<7!) / (1% 1<$) / ("10 "<#1) / (#7*0 "<$) / (*" "<#!))21!7*(#7*0 "<$) / (*" "<#!))21!7* == 11..""!!77!!"" mm
..4 R#su!tant# Gaya H(0i(nta! R ..4 R#su!tant# Gaya H(0i(nta! R
h =
h = 'a'ah / 3hh / 3h
== 1$#% / (3 c,s b1$#% / (3 c,s b$ )$ ) == 1$#% / "10 c,s #1$#% / "10 c,s #0 b$ 0 b$ == 77**##..11!! ++
-esar masing&masing
-esar masing&masing Baya ,riI,ntal dan K,,rdinatnyaBaya ,riI,ntal dan K,,rdinatnya
''aahh == 11$$##%% ((UU<<VV)) == 33hh== %%!!$$77..11!! ((UU<<VV)) == h h . V . V == 3h 3h . V . V / / 'ah 'ah . V. V V = V = ((%!$7 $<!) / (1$#((%!$7 $<!) / (1$#% "<$!))27*% "<$!))27*## == $$..117711%%## mm
... R#su!tant# $R' Da0i Gaya 6#0tika! $R7' an Gaya H(0i(nta! $R' ... R#su!tant# $R' Da0i Gaya 6#0tika! $R7' an Gaya H(0i(nta! $R'
== X X (@(@4) 4) / / (h4)(h4) == X X (( 11!!77**4 4 / / 77**##44 )) == 1177%%""..## ++ .8. K(nt0(! T#0aap G#s#0 .8. K(nt0(! T#0aap G#s#0
YYb b == S S 1122" " Z Z ""22# # T T GG DDiiaammbbiil l nniillaai i mmaakkssiimmuum m sseebbaaggaai i nnii = = "2"2# G# G = = "2"2# "# "00 == 11##..######## O = O = O1 / O" / O# / O$ / O! / O%O1 / O" / O# / O$ / O! / O% == #$ / 1#! / "0! / #7*0 / 10*#$ / 1#! / "0! / #7*0 / 10*00 / $.*%00 / $.*% == 11$$!!..77 ++ ['h
['h == 'ah & 'pr'ah & 'pr == 1$#% 1$#% & 1<7& 1<7 == 11$$##$$..""** ++ gs = gs = O tan Yb / cd -O tan Yb / cd -['h ['h == 1$! tan 1#<## / (#<$ "<!)1$! tan 1#<## / (#<$ "<!) 1$#$."*1#%$"#%* 1$#$."*1#%$"#%* == ""..$$777711 \\ 11..!! (( OK OK .9 K(nt0(! T#0aap Gu!in .9 K(nt0(! T#0aap Gu!in
+abel perhitungan Baya Wertikal dan ,men +abel perhitungan Baya Wertikal dan ,men B
Baayya a WWeerrttiikkaall JJaarraakk ,,mmeenn ( (++)) ((mm)) ((++mm)) O O11 ####..!!**** 11..!!1177$$11%%##$$%% !!00..%%77 O O"" 11##!!..**11 11..""%%7700##77!!!!"""" 1177""..1177 O O## ""00!!..##77##""**!!!!**""%% ""..##!!**$$11!!$$!!**%% $$**$$..##!!!!!!##11!!0011 O O$$ ##77**00 ""..$$ 0077"" O O!! 1100**0000 00..77!! **110000 O O%% $$..**%% 00.."" 00..77"" [[OO 11$$!!..7711""""**!!!!**""%% 1177****00..$$77##!!##11!!0011
gl = gl =[ C[ C [ gl [ gl == [ C[ C ' ar V ' ar V == 17**017**0 1%!* "<# 1%!* "<# == $$..%%$$$$##"" \\ 11..!! (( OK OK )) .: Kapasitas
.: Kapasitas DayDaya Dukuna Dukun A. Kapasitas Day
A. Kapasitas Daya Dukun U!ti"ata Dukun U!ti"at# $T# $T#0ai'#0ai' 3?
3? == "2# "2# 1<# 1<# .;c .;c / / 9 9 D.;3 D.;3 / / 0<$ 0<$ 9 9 -.;9-.;9
== ("2# 1<# "<! 11<*) / (1<#! 1 ("2# 1<# "<! 11<*) / (1<#! 1 #<) / (0<$ 1<#! #<$ 1<7)#<) / (0<$ 1<#! #<$ 1<7) == ####..!"!" ++22mm44
B. Kapasitas Daya Dukun U!ti"at# N#tt( B. Kapasitas Daya Dukun U!ti"at# N#tt(
3n?
3n? == "2# "2# 1<# 1<# .;c .;c / / 9 9 D.( D.( ;3 ;3 & & 1) 1) / / 0<$ 0<$ 9 9 -.;9-.;9
== ("2# 1<# "<! 11<*) / (1<#! 1 ("2# 1<# "<! 11<*) / (1<#! 1 (#< & 1)) / (0<$ 1<#! #<$ 1<7)(#< & 1)) / (0<$ 1<#! #<$ 1<7) == ##""..%%0"0" ++22mm44
). Kapasitas Daya Dukun A"an ). Kapasitas Daya Dukun A"an
3s = 3s = 3n? 3n? // ( ( 9 9 . . D D )) ? ? == "1.7"1.7 // ((11<<##! ! 11)) ## == 11""..""1717%% ++22mm44 D. B#*an +aksi"u" A"an D. B#*an +aksi"u" A"an
3 3 all all == - - 3s3s == #<$ 1#<$ 1* $<!* $<! == 77$$77..7711** ++ .1; Sta*i!itas Eks#nt0isitas .1; Sta*i!itas Eks#nt0isitas +
+abel perhitungan +ekanan +anah ateral (+abel perhitungan +ekanan +anah ateral (+anah Akti?anah Akti? ) dan ) dan ,men,men B
Baayya a WWeerrttiikkaall JJaarraakk ,,mmeenn ( (++)) (()) ((++)) ''a a 11 11%%####..%%$$**""%%7777!!%% ""..##""11**##11 ##77##..00%%**##11** ''a a "" ""$$..!!00$$77""$$0011%%$$ ""..##""11**##1 !1 !%%..**%%00""!!**7777 [[''aa 11%%!!**..11!!""117777#### ##**$$..%%$$$$117777 [
[ == [O [O & & [V[V == 17**17**0 & #*$0 & #*$ == 11$$00##00..!! ++
U = U = [[ [O [O == 1$0#0.!1$0#0.! 1$!.7 1$!.7 == 0.0.##7*7* mm e1 = e1 = bb && UU "" == ##..$$ && 00..##77****%%## "" == 00..77%%""1111 mm e" = e" = bb %% == #.$#.$ %% == 00..!!%%%%%%77 mm e1 e1 \\ bb %% 00..77%%""1111##77 \\ #.$#.$ %%
00..77%%""1111##77 \\ 00..!!%%%%%%%%%%%%%%%%77 . . . .. Tiak OK Tiak OK
.11 K(nt0(! Daya Dukun A"an .11 K(nt0(! Daya Dukun A"an
Jika e = -2%< maka 3 min = 0< dan ika e \ -2% maka akan negati?< sehingga teradi tegangan tarik Jika e = -2%< maka 3 min = 0< dan ika e \ -2% maka akan negati?< sehingga teradi tegangan tarik Diambil e \ -2%
Diambil e \ -2% 3 =
3 = @@ ((1 1 / / 2 2 & & ((% % ee)) )) -- - -== 1!7**.*1!7**.* (1 (1 / / 2 2 & & (% (% 0<7%))0<7%)) ##<<$$ 11** ##..$$ 3 maks = 3 maks = 1!7**.*1!7**.* ((1 1 // ((% % 00<<77%%)))) ##<<$$ 11** ##..$$ == %%00$$..!!!! ++22mm44 \\ 33s s (( 11""..""1177%% ++22mm4 4 )) 3 min = 3 min = 1!7**.*1!7**.* ((1 1 && ((% % 00<<77%%)))) ##<<$$ 11** ##..$$ == &&****..**11## ++22mm44 PP 33s s (( 11""..""1177%% ++22mm4 4 ))
m m GG == ""00 HH nn11 == ""00 mm m m == ##00 HH nn"" == ""##..**77!! mm m m ((tt)) == 00..$$!! mm ;;cc == 1111..** m m 11 == $$ mm ;;33 == ##.. m m "" == $$..7777!! mm ;;99 == 11..77 m m == 11** mm ;;3322;;cc == 00..####00!!00** m m ((99bb)) == ""..$$ tt22mm == ""..!! ++2244 m m ((99)) == 11..##!! tt22mm m m n n SSddiinnddiinng g ppeenn,,ppaannggTT == !! BUT+ENT BUT+ENT 1 1 == 11..77 mm y1 =y1 = 00..""!! mm " " == 00..%%!! mm y" =y" = 11..!!!! mm # # == 11.. mm yy# # == 00..77!! mm $ $ == ##..0077 mm y$ =y$ = 00..**#### mm ! ! == 11.. mm y! =y! = "" mm % % == 11..""## mm yy% % = 1= 1..! m! m 7 7 == 11..0077 mm y7 =y7 = "" mm * * == 11..11!! mm y* =y* = ".!!m".!!m == 11..""!! mm yy = #= #..# m# m
m m == 11..!!"" mm m4 m4 m m == 11..00%% mm m4 m4 1 1 == 11..77 mm yy1 1 == 00..""!! mm
" " == 00..%%!! mm yy" " == 11..!!!! mm ##== 11..0077 mm yy##== "" mm $ $ == 11..11!! mm yy$ $ == ""..!!!! mm ! ! == 11..""!! mm yy! ! = #= #..# m# m m m == 11..""77 mm m4 m4 m m == 11.."" mm m4 m4
11== 11..""## mm yy11== 11..!! mm " " == ""..11!! mm yy" " == 00..77!! mm ##== ""..$$ mm yy##== ""..!! mm $ $ == ""..77## mm yy$ $ == $$..##**!! mm
m m == ""..##%% mm m4 m4 m m == ""..$$%% mm m4 m4
+ + << 11..00%%00!!!!77 )) m4 m4 11..00%%00!!!!77 == %%..!!%%%%%%77 mm 11..!!1177$$1177 == ..$$##**###### mm + + << 11..""0000!!!!% )% ) m4 m4 11..""0000!!!!%% == $$..##11%% mm 11..""%%7700##** == $$..!!!!!! mm // 11##!!..**11 == 11%%..$$77 ++ // ##..%%00 == ..**11!! mm44 // $$..##11%% == 1100..11""%%77 mm // $$..!!!!!! == 11##..###### mm
+ + << ""..$$!!%%00##$$ )) m4 m4 ""..$$!!%%00##$$ == ""11..!!%%##""!! mm ""..##!!**$$11!! == ""00..7700%%11** mm + + << 00..77!! )) m4 m4 00..77!! == 00..11!! mm 00.."" == 00..00$$ mm // $$..**%% == ""1100..""###### ++ // 00..""00 == **..77770011 mm44 // 00..11!! == ""11..7711##""!! mm // 00..00$$ == ""00..77$$%%11** mm (( 00..77!! << ""..%% )) (( 11..$$""!!7700 << 11..111111**##%% )) (( ""..##1100##$$"" << ""..$$11**00##77 )) (( ""..$$ << $$..!!7777##!! )) (( ""..##!!**$$11!! << ""..##""11**## ))
(( ""..##!!**$$11!! << ""..##""11**## )) (( ""..$$ << $$..!!7777##!! ))
ai
ai aman aman yaitu yaitu "2#"2#
..
. . . .
. . . Tiak OK Tiak OK
. . . .