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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

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