gording paling baru
TRANSCRIPT
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2.1 Data Perencanaan
2.2 Perhitungan Gording
Mutu baja BJTD 40
Fy = 400 Mpa
Fu = 20 Mpa
! = ".1
#$ = %%2
#y = %.&
'$ = 44.%
'y = 12.2
2.2.1 Perhitungan Panjang batang (uda ) (uda
a. Mencari panjang *i*i +iring bentang ,B = -B
,- = "
,D = 12.,-
a =
-o* a = ,D,B
-o* % = ,D,B
,B = 4.2"4
b. Mencari panjang *i*i +iring bentang ,,/
ebar bentang ,,/ =
a =
-o* a= ebar bentang ,,/Panjang *i*i +irinco* a = 1 +,,/
,,/ = 1.221
Tota panjang *i*i +iring bentang ,/B =
c. Mencari Panjang *i*i +iring batang --/
ebar bentang --/ =
a =
-o* a= ebar bentang --/Panjang *i*i +irin
1M--/
--/ = 1.221
Tota panjang *i*i +iring bentang B-/ =
= 2.130 (gc+2
Berda*ar(an Tabe Pro5i 6on*tru(*i Baja direncana(an Gording dengan pdata *bb :
%o
% o
%o
-o* %o=
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2.2.2 Perhitungan jara( gording dan ju+ah gording
a.
= 4.";
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My2 =
=
b. Beban ,ngin
6oo5i*ien angin te(an dan angin hi*ap :
?ntu( angin hi*ap = ) 084
Ma(a a(ibat angin te(an
61 =
'1 =
M% =
,(ibat angin hi*ap
61 =
'1 =
M% =
c. 6o+bina*i Pe+bebanan
6o+bina*i pe+bebanan tetap = < Beban Mati 3 Beban idup
M$ =
M$ =
My =
My =
6o+bina*i pe+bebanan *e+entara = < Bban +ati 3 Beban idup 3 Beban
M$ =
M$ =
My =
My =
M$ =
=
My =
=
6ontro Tegangan
C =
Perhitu+gan gording a(ibat beban angin berda*ar(an PP#?G 1;&% ha 8 jtiup di a+bi +ini+u+ 2 (g+2
Te(anan angin 40 (g+2
?ntu( angin te(an a E o =
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C =
2;"&.&% 1
< +eebihi tegangan ijin8 +a(a diguna(an 1 tre(*tang
2.2. Direcana(an +engguna(an 1 tre(*tang
A$ =
=
M$1 =
Ay =
=
M1 =
=
a. Beban idup
Perhitungan Gording a(ibat beban hidup +enurut PM# 1;"0 beban hidup
P$ =
=
M$2 =
=
py =
=
My2 =
=
b. Beban ,ngin
Perhitungan gording a(ibat beban angin berda*ar(an PP#?G 1;&% ha 8 j
te(anan tiup dia+bi +ini+u+ 2 (g+2 8 direncana(an te(anan angin 40
6oe5i*ien angin te(an dan angin hi*ap :
?ntu( angin hi*ap = )084
Ma(a a(ibat angin te(an
61 ='1 =
M% =
?ntu( angin te(an a E o =
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,(ibat angin i*ap
61 =
'1 =
M% =
c. 6o+bina*i pe+bebanan
6o+bina*i pe+bebanan tetap = < Beban Mati 3 Beban idup
M$ =
M$ =
My =
My =
6o+bina*i pe+bebanan *e+entara = < Beban +ati 3 Beban idup 3 Beba
MH =
MH =
My =
M =
MH = 2"".;&
= 2"";&.%%
My = 1%1.21
= 1%12.1%%
6ontro tegangan
C =
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Beban +ati A$ =
Beban +ati Ay =
Py =
P$ =
#$ =
#y =
=
=
5y =
5$ =
5 =
5 E 5 ijin
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2.4
Data ) data
1. Jara( (uda ) (uda
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=
Di+ana : F
d =
+a(a dipa(ai be*i untu( i(atan angin dengan dia+eter 10 ++
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a = 10 ++
b = ++
c = 20 ++
t = %82 ++
(g+
+
%. +
+
1 +
,,/
+
Panjang ,B 3 Panjang ,,/
= .4;
1 +
--/
+
Panjang -B 3 Panjang --/
α = %˚
o5i 6ana ber(ait 7 10..20.%829 dengan
c+4
c+4
c+%
c+%
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+ 1.0;&;010;&;
18 ) 2 +
antar gording
2.2 buah
2.2 buah
#y = %.&
'y = 12.2
".1 (g+
"4.;;% (g+
2.;;& (g+
109.501 (g+
10.;&0 (g+
120.481 (g+
Atot *in a
;.10 (g+
1%&.210 (g+
Atot co* a
;&.;2 (g+
1;".%&4 (g+
ini+u+ untu( atap ditetap(an *ebe*ar 100 (g
P *in a
".%& (g
14 P$
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14 py
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2;"&.&%
Atot *in a
;.1002"22 (g+
1%&.21010441 (g+
Atot co* a
;&.;224%%01 (g+
4;.%41210" (g+
ini+u+ untu( atap ditetap(an *ebe*ar 100 (g
P *in a
".%"4%%1 (g
14 P$
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)0.4
)"%.200"%201 (g+
)14.2014201 (g+
M$1 3 M$2
1;.& (g+
My1 3 My2
1%1.21 (g+
,ngin
M$1 3 M$2 3 M%
2"".;& (g+
My1 3 My2 3 M%
1%1.21 (g+
(g+
(g+2
(g+
(g+2
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0.;1 (gc+
0.;&" (gc+
&1.;1 (g
".%& (g
%%2
%.&
2100000
400 c+
0.120&402"%2 c+
0.10;;14202 c+
0.1%2010%;
1.&0 < 5 ijin
OK !!!
;1.41 (g
2.4%02204& (g
&1.;120442&; (g
11.&22"004;14 (g
%
2.2
y$
2.2&;%""2&;4
2
2
arc tan 08;1
42.4;
0."411&2
"4.%01%"41 (g
L F
L C ijin
0.404"4&0
14 . Pi . D2
< < F $ 4 pi 08
10 ++
10 ++
c+4
c+4
(gc+2
Berat *endiri Gording 3 berat *endiri atapgenteng
K. *in %o
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4 +
4."&"4"&& +
40" +
*u+bu gording
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0.4&"%12&04"
=
".&& ++
10 ++
c+2
14 R d2
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2.4 PERHITUNGAN KUDA - KUDA
a. Akibat Beban Matii. Tepi ( P1 P! "
Beban G#$%in&
Beban Atap
Beban P'a#n% %an pen&&ant)n&
Ak*e*#$i* 1+,
ii. Ten&a ( P2 - P %an P/ - P0 "
Beban G#$%in&Beban Atap
Beban P'a#n% %an pen&&ant)n&
Ak*e*#$i* 1+,
iii. P)nak ( P4 "
Beban G#$%in&
Beban Atap
Beban P'a#n% %an pen&&ant)n&
B)b)n&an
Ak*e*#$i* 1+,
a. Akibat Beban Hi%)p
Beban Hi%)p
b. Akibat Beban An&in
K1 +.2k2 -+.4
Men)$)t PPI 3 1 )nt)k beban te$p)*at be$a*a' %a$i
K#e8*ien An&in )nt)k ban&)nan te$t)t)p %en&an α
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K#e8*ien An&in )nt)k %in%in& be$%i$i beba* 6aka 3
An&in tekan An&in Hi*ap
Pe6bebanan An&in P%a k)%a - k)%aAn&in tekan (
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M6a@* 22:!.D 6ak* !.0N 6ak* 40.21
1. K#nt$#' Te&an&an
(M7< " (N7A"
42.+4:4/+!/2
2. K#nt$#' Ge*e$
*@ A1 @ a1 A2 @ a2A1 b @ t*a1 (-t*"72
A2 (-(t* @ 2""72 @ tba2 (-(t* @ 2""74
*@ 2/0/!0
C
2:
C ( D @ *@ " 7 ( tb @ '@ "
2/.!!!1+/+:/
. K#nt$#' tabi'ita* kipPPBBI ;:! Ha' 3 4
a. 7tb !/2/ !/
b. F7 12/ @ b7t*0.1: 2+.:
Ka$ena %)a k$ite$ia te$*eb)t te$pen)i 6aka ba'#k ti%ak be$)b
1 ( F @ " 7 ( b @ t* " 0+
2 :20.:!/
+/: @ iin
k&762
k&762
+0 @ E7
Ka$ena 1 2 $)6)* kip 6e6akai 3
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:22.0:!!:
4. K#nt$#' Fipat
5a$at tekan > 0+ ( PPBBI ;:! pa*a' 0.2 a5at 0
20!
% 4:4.!4
b7t* 910.0000! 9 2/.0+:41::
/. K#nt$#' Fen%)tan
Men)$)t PPBBI ;:4 3 1+0 'en%)tan 6ak*i6)6 akiba 6a@ 172/+ . F
@ @ +.0::0:+!/@ +.0::0:+!/
kip ( 1 - 2/+ 7 - 2/+ " ? +! ?
k&762
$
1+ @ ( $ 7 % "+/
( P &e*e$ 6a@ @ ' " 7
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!/1 k&76 @ 4 6
1+, @ 22+4 P1 %an P!
!/1 k&76 @ 4 6
1+, @ 4:220! ( P2 - P %an P/ - P0 "
!/1 k&76 @ 4 6 @ 2
1+ k&76 @ 4 6
1+, @ /+:200!
P4
1++ k&76
4 6 . /+ k&762 . ( 1:2 . +/ " 6 @ #* /
1: k&762 @ 4 6 @ (1:2 . +/" 6 @ #* /
4 6 . /+ k&762 . ( 1:2 " 6 @ #* /
1: k&762 @ 4 6 @ (1:2 " 6 @ #* /
4 6 . /+ k&762 . ( 1:2 " 6 @ #* /
1: k&762 @ 4 6 @ (1:2 " 6 @ #* /
e*e#$an& peke$a %an pe$a'atann5a 6ini6)6 1++ k&762
1++ k&762 @ 1 6
:/# (PMI ;!+322"
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+.-+.
K1. Ja$ak k)%a - k)%a . <2 k&76
1:./444/02 1: k&6
20.212:0/41!2 20 k&6
K2. Ja$ak k)%a - k)%a . <-04 k&76
0.!+::120/ k&6
/2.42/!+:4/ k&6
i@ :.02 6
i5 /.+2 6 b
A 0./ tb
4. k&76 t*
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k&6 22:! k&6k&k&
9 10++
24++ 66 4 66
!+4 66 44 66
2/0./!0
9 2: LK
a bent)k
k&762 iin k&762
66 6
k&762
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a'. 4! "
( )nt)k p'at - p'at 5an& ti%ak %ipe$k)at "
( Te&an&an tekan te$be*a$ 5an& te$a%i "
( a5ap ti%ak te$a%i 'ipat " ( LK "
beban beban Hi%)p 2.:44 6
66 9 6a@ 2.:44
6 LK
k&762
k&762
: @ E @ I@
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+.+4 k&
1/+.+0:! k&
/4.+24!2 k&24.14 k&2.414 k&2/!./40! k&
+.+4 k&++.1! k&
1+:.+44 k&4:.220! k&4.:220! k&4:2.+44 k&
0+.+: k&
++.1! k&
1+:.+44 k&40:.200! k&
4+ k&/+:.200! k&/+.:200! k&//.+4 k&
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2++ 66
2++ 66
: 66
12 66
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