BAB III - Universitas Gunadarma
BAB III - Universitas Gunadarma
BAB III - Universitas Gunadarma
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1 ⎛ y ⎞ 1<br />
α1<br />
= 2 < 1,<br />
5<br />
3 ⎜ + ⎟<br />
⎝ x1<br />
⎠<br />
At<br />
=<br />
s α<br />
T<br />
s<br />
t.<br />
x1.<br />
y1<br />
. f<br />
y<br />
C<br />
Avt A A<br />
=<br />
t<br />
+<br />
v<br />
s s s<br />
2<br />
s = 1 . x + y<br />
4<br />
( )<br />
1<br />
1<br />
V<br />
c<br />
=<br />
( 1<br />
6.<br />
f ')<br />
w<br />
⎛ T<br />
1+<br />
⎜<br />
⎜2,<br />
5.<br />
Ct<br />
⎝ V<br />
V s<br />
A<br />
s<br />
Luas tulangan memanjang<br />
x1<br />
+ y1<br />
Al = 2At<br />
s<br />
⎧ ⎛ ⎞<br />
⎫<br />
⎪ ⎜ ⎟<br />
2,<br />
8.<br />
x.<br />
s<br />
+ ⎪<br />
⎜ Tu<br />
⎟ x1<br />
y1<br />
Al = ⎨<br />
− 2.<br />
At<br />
⎜ ⎟<br />
⎬<br />
⎪ f V<br />
y<br />
u<br />
⎜ T +<br />
s<br />
⎟<br />
⎪<br />
u<br />
⎪⎩<br />
⎝ 3.<br />
Ct<br />
⎠<br />
⎪⎭<br />
Diambil yang terbesar, tapi tidak melebihi:<br />
v<br />
V<br />
c<br />
u<br />
−Vc<br />
φ<br />
Vs<br />
=<br />
f . d<br />
⎧ ⎛ ⎞ ⎫<br />
⎪ ⎜ ⎟<br />
2 , 8.<br />
x.<br />
s Tu<br />
1 bw.<br />
s ⎪<br />
x1<br />
y<br />
A ⎜ ⎟<br />
⎛ ⎞ +<br />
⎨<br />
. ⎜ ⎟<br />
l =<br />
−<br />
f ⎜ V<br />
⎬<br />
⎪ y<br />
u ⎟<br />
T<br />
3 ⎜ f ⎟<br />
⎝ y ⎠⎪<br />
s<br />
⎜ u +<br />
⎪⎩<br />
3.<br />
C<br />
⎟<br />
⎝<br />
t ⎠ ⎪⎭<br />
∑<br />
Dipilih spasi terkecil<br />
As = 1<br />
lapangan 4.<br />
Al<br />
+ As<br />
Selesai<br />
Flowchart Perencanaan Penulangan Torsi Balok T<br />
y<br />
1<br />
b . d<br />
u<br />
u<br />
⎞<br />
⎟<br />
⎠<br />
2<br />
16