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Presentasi Wiryanto di Seminar HAKI- 25-26-Agustus-2015
DATASET · SEPTEMBER 2015
READS
85
2 AUTHORS, INCLUDING:
Wiryanto Dewobroto
Universitas Pelita Harapan
14 PUBLICATIONS 1 CITATION
SEE PROFILE
Available from: Wiryanto Dewobroto
Retrieved on: 28 January 2016
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S e m i n a r d a
n P a m e r a n H A K I 2 0 1 5 , “ C h a l l e n g
e s i n t h e F u t u r e ”
H o t e l B o r o b u d u r , 2 6 A g u s t u s 2 0 1 5
P e r e n c a n a a n
P e r i l a k u d a n
K e u n g g u
l a n P M R B K v s P
M K p a d
a
B
a n g u n a
n B a a B
e r t n g
a t S e a n g
W i r y
a n t o D e w o b r o t o 1
, R e n d y W i j a y a
2
1 D o s e n T e t a p ,
U n i v e r s i t a s P e l i t a H a r a p a n )
2 A l u m n i S 2
, U n i v e r s i t a s T a r u m a n a g
a r a )
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S t r u k
t u r b a a d a n b a n u n a n
t a h a n
e m
a
B a j a
m a t e r i a l k e k u a t a n t i n g g i , p e r i l a k u k e r u n t u h a n d a k t a
i l .
T i d a k a d a m a t e r i a l k o n s t r u k s i
l a i n y a n g m e n y
a m a i .
K a r e n a i t u a d a
k e y a k i n a n b a h
w a s t r u k t u r b a j a s e c a r a a l a m i
b e r s i f a t t a h a n
g e m p a ,
b a h k a n t a n p a p e r l a k u a n k h u s u s .
a n
n g a n e
n g a n
o n s t r u s
e t o n
e r t u a n g
p e r u e t a
p e n u l a n g a n y a
n g k h u s u s .
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J a n u a r y 1 7 , 1
9 9 4 – N o r t h r i d g e E Q
.
K a i s
e r M e d i c a l B u i l d i n g , L o s A n g
e l e s ( U I G v i a G e t t y I m a g e s )
P h o t o b y F E
M A N e w s P h o t o - J a n 1 8 , 1
9 9 4
a p a r t m e n t b u i l d i n g s ( c r e d i t : L A T i m e s )
t h e i n t e r s e c t i o n
o f V e n t u r a a n d V a n N u y s b o
u l e v a r d s
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G e m
a N o r t h r i d
e
m e r u
b a h c a r a i k i r
L a p o r a n F E M A
‐ 3 5 0 ( 2 0 0 0 )
d a m p a k g e m p a
b u m i N o r t h r i d
g e
( U S A ) , t a n g g a l
1 7 J a n u a r i 1 9 9 4
, m e n g u b a h c a
r a p i k i r
.
a n y a
a n g u n a n s r u
u r a
a y a n g
u u a
n g g a p a a n g e m p a
t e r n y a t a m e n g
a l a m i k e r u s a k a
n g e t a s d i s a m b u n g a n b a l o k ‐ k o l o m .
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K e r u s a k a n g e
t a s p a d a k o n s t r u k s i b a j a
K e r u s a k a n g e t a s y a n g t i d a k t e
r a n t i s i p a s i i t u j u g a t e r j a d i p a d a
b a n g u n a n y a n
g t e r l i h a t k e r u s
a k a n a r s i t e k t u r n y a r e l a t i f k e c i l
.
n m e n g u a r
a n s e m u a p a
,
u s u s n y a n s
n y u r a n g u n a n ,
b i s a
‐ b i s a b a n g
u n a n y a n g t e r l i h a t t i d a k r u s a k
, t e r n y a t a r u s a k
.
g e m p a L a n d e r s ( 1 9 9 2 ) , B i g B e a r ( 1 9 9 2 ) d a n L o m a P r i e t a ( 1 9 8
9 ) ,
m e n a l a m i k e r u s a k a n s e r u a .
E v a l u a s i p a s c a
g e m p a t e r h a d a
p k e r u s a k a n , s u
l i t d i l a k u k a n .
U n t u k m e n e n t
u k a n a a k a h s a
m b u n a n s t r u k
t u r r u s a k a t a u t
i d a k
p e r l u “ p e m b o b o k a n ” d a r i f i n i s h i n g a r s i t e k t u r a t a u f i r e p r o o f i n g
y a n g t e r p a s a n g .
S e l a n j u t n y a i n s p e k s i d e t a i l s i s t e m s a m b u n g a n .
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D o k u m e n t a s i k e r u s a k a n f r a k t u r a k i b a t g e m p a N o r t h r i d g e
( a ) .
K e r u s a k a n p a d a t r
a n s i s i p e n g e l a s a n
( b ) . K e r u s a k a n " d i v o t " p a d a s a y a
p k o l o m
( c ) . F r a k t u r p e l a t d
i z o n a p a n e l
( d ) . F r a k t u r p a d a s a n b u n g a n g e s e r
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K
e r u s a k a n d
a n d a m a k
e k o n o m i
E v a l u a s i n y a m a h a l , b a h k a n k e
t i k a y a n g r u s a k
t i d a k d i t e m u k a
n .
K a l a u p u n k e t e m u m a k a u n t u k
p e r b a i k a n s a m
b u n g a n n y a j u g a
.
,
m e r o b o h k a n n
y a s e c a r a m e n y
e l u r u h d a n m e m b a n g u n b a r u ,
d a r i a d a m e n
e v a l u a s i d a n m
e m
e r b a i k i n a
F E M A 2 0 0 0 .
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R e s p o n i n s i n y u r t e r h a d a p b e n c a n a d a n c o d e b a r u
S e p t . 1 9 9 4 d i b
e n t u k S A C J o i n t V e n t u r e : A I S C
, A I S I ( A m e r i c a n I r o n
a n d S t e e l I n s t i t
u t e ) d a n N I S T ( N a t i o n a l I n s t i t u t e o f S t a n d a r d s
a n d
.
k o o r d i n a s i u s a
h a u n t u k p e n y e
l i d i k a n d a n p e n
y e l e s a i a n m a s a
l a h
E m e r g e n c y M a
n a g e m e n t A g e n c y ) t e r t a r i k b e
r g a b u n g .
s e e r t i i n i l a h c
i k a l b a k a l t e r b e
n t u k n a c o d e .
I n i s i a t i f n y a d a r i a s o s i a s i p r o f e s i ( A I S C
, A I S I , N I S T d a n A W S ) , l a l u
p e m e r i n t a h ( F E M A ) g a b u n g
1 9 9 5 t e r b i t F E
M A ‐ 2 6 7
, p e d o m
a n
i n s i n y u r u n t u k
a n t i s i p a s i k e r u s a k a n a k i b a t g e m p a N o r t h r i d g e
1 9 9 4
. S e j a k i t u
b e r t u b i ‐ t u b i p e n e l i t i a n t e r k a i t
s t r u k t u r b a j a
t e r a a p g e m p a
t e r t a n , s a m p a p u n c a n
y a
e u a r a
p e r a t u r a n g e m
p a k h u s u s s t r u
k t u r b a j a ( A I S C
1 9 9 7 ) .
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D a
m p a k g e m p a N
o r t h r i d g e t e r h a d a p t a t a c a r a
w a k t u i t u ,
a d a l a h b a h w a u n t u k m e n g h a s i l k a n
b a n g u n a n r a n
g k a
m o m e n b a a
a n
b e r e r i l a k u
d a k t a i l d a n h a
n d a l m a k a e r
l u
d i l a k u k a n s e j u m l a h p e r u b a h a
n t e r h a d a p k e b
i a s a a n p r a k t i s
y a n g
a d a ,
m u l a i d a r i t a h a p d e s a i n , p e m i l i h a n b a h a n m a t e r i a l , f a b r i k a s i ,
e r e c t i o n d a n p r o s e s p e n g a w a s
a n m u t u y a n g d
i l a k u k a n .
S a l a h
s a t u
a k i b a t n y a u n t u
k p e r e n c a n a a n
s t r u k t u r b a j a t a h a n g e m p a p e
r l u
,
.
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C o d e
S t r u k t u r B a a – P e r e n c
a n a a n U m u m
A N S I / A I S C 3 6 0
‐ 1 0 : S p e c i f i c a t i o n f o r S t r u c t u r a l S t e e l B u i l d i n g
s
( 6 1 2 h a l a m a n )
d i t e r j e m a h k
a n j a d i S N I 1 7 2
9 : 2 0 1 5 ‐ S p e s i f i k a s i
.
I n i a d a l a h c o d e
d a s a r p e r e n c a
n a a n s t r u k t u r b a j a
, f o k u s p a d a
,
u n t u k t a h a n g e m p a .
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C o d e
S t r u k t u r B a a – P e r e n c
a n a a n U m u m
A N S I / A I S C 3 6 0
‐ 1 0 : S p e c i f i c a t i o n f o r S t r u c t u r a l S t e e l B u i l d i n g
s
( 6 1 2 h a l a m a n )
d i t e r j e m a h k
a n j a d i S N I 1 7 2
9 : 2 0 1 5 ‐ S p e s i f i k a s i
.
I n i a d a l a h c o d e
d a s a r p e r e n c a
n a a n s t r u k t u r b a j a
, f o k u s p a d a
,
u n t u k t a h a n g e m p a .
K e n a p a
?
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C o d e
S t r u k t u r B a a – P e r e n c
a n a a n U m u m
A N S I / A I S C 3 6 0
‐ 1 0 : S p e c i f i c a t i o n f o r S t r u c t u r a l S t e e l B u i l d i n g
s
( 6 1 2 h a l a m a n )
d i t e r j e m a h k
a n j a d i S N I 1 7 2
9 : 2 0 1 5 ‐ S p e s i f i k a s i
.
I n i a d a l a h c o d e
d a s a r p e r e n c a
n a a n s t r u k t u r b a j a
, f o k u s p a d a
,
u n t u k t a h a n g e m p a .
A C
I 3 1 8 M - 1 1 : B u i l d
i n g C o d e R e q u i r
e m e n t s
K e n a p a
?
f o r
S t r u c t u r a l C o n c r e t e a n d C o m m e n
t a r y
( 5 0
9 h a l a m a n ) C
h a p t e r 2 1 - E a r t h
q u a k e -
r e s
i s t a n t S t r u c t u r e s
4 7 h a l a m a n .
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C o d e S
t r u k t u r B a j a
– P e r e n c a n a a n T a h a n G e m
p a
u a m a
‐
( 4 0 2 h a l a m a n )
s t a n d a r a t a u k o n s e n s u s t e r p
i s a h u n t u k t o p i k
k
h u s u s , p e r e n c a n a a n d a n p e l a k s a n a a n s t r u k t u r b a j a d a n k o m p o s i t
( b a j a & b e t o n ) s i s t e m b a n g u n a n t a h a n g e m p a .
H
a r u s b e r s a m a d e n g a n A N S I / A I S C 3 6 0
‐ 1 0 & A S C E / S E I 7
‐ 1 0
. C o
d e
d
i s u s u n b e r s a m a d e n g a n B S S C (
B u i l d i n g S i s m i c
S a f e t y C o u n c i l ) ; F E M A
( F e d e r a l E m e r g e c y M a n a g e m e n
t A g e n c y ) , N S F
( N a t i o n a l S c i e n c e
,
C
a l i f o r n i a ) .
– “
.
U
n t u k S t r u k t u r G
e d u n g B a j a ” ( 1
6 1 h a l a m a n ) .
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C o d e S
t r u k t u r B a j a
– P e r e n c a n a a n T a h a n G e m
p a
p e n u n a n g
A N S I / A I S C 3 5 8
‐ 1 0 & A N S I / A I S
C 3 5 8 s 1
‐ 1 1 : P r
e q u a l i f i e d
C o n n e c t i o n s f o
r S p e c i a l a n d I n
t e r m e d i a t e S t e e l M o m e n t F r a m
e s
.
p e m b u a t a n s i s
t e m s a m b u n g a n k h u s u s s e s u a i A N S I / A I S I 3 4 1 ‐
1 0
u n t u k R a n k a
b a a P e m i k u l M
o m e n K h u s u s
R P M K a t a u s e c i a l
m o m e n t f r a m e
( S M F ) , j u g a R a
n g k a b a j a P e m i k u l M o m e n
M e n e n g a h ( R P
M M ) a t a u i n t e r
m e d i a t e m o m e n t f r a m e s ( I M F ) .
I n i p e r l u k a r e n
a k e r u n t u h a n f r a k t u r d i p e n g a r u h i o l e h b e n t u k
d e t a i l d a n c a r a p e m b u a t a n n y
a .
P e r s y a r a t a n n
y a c u k u p k o m p
l e k s
u n u a
n a s s n u m e r n y a
e a s
a m
u n g
a n
a r u s
u
a n
t e r l e b i h s e c a r a e m p i r i s d i l a b o r a t o r i u m ,
b u k a n s e k e d a r h a s i l
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P e n g u
a s a a n a k a n
k o m p e t e n s i p e r e n c a n
a a n
s r u
u r
a a a a n g e m p a
A d a t i g a d o k u m e n u t a m a ( A N
S I / A I S C 3 4 0
, 3 4
1 & 3 5 8 ) u n t u k
p e r e n c a n a a n s
t r u k t u r b a j a t a h
a n g e m p a a d a l a h m e n a r i k
.
a n
n g a n e
n g a n c o e s r u
u r e o n
y a u
,
y a i t u C h a p t e r 2 1 – E a r t h q u a k e R e s i s t a n t S t r u
c t u r e s ( ± 5 0 h a
l ) .
( A N S I / A I S C 3 4
1 ) y a n g s e k i t a r 4 0 2 h a l .
s t r u k t u r b a a a u h l e b i h “ b e r a t ” d a r i s t r u k t u r b
e t o n .
H a n y a k e b e t u l a n d i I n d o n e s i a
m a y o r i t a s a d a l a h s t r u k t u r b e t o n ,
i t u y a n g s a a t i n
i m e n j a d i f o k u s i n s i n y u r k i t a .
P e r l u p e n i n g k a
t a n p r o s e s p e m
b e l a j a r a n u n t u
k m e n g u a s a i
k o m p e t e n s i p e
r e n c a n a a n s t r u
k t u r b a j a t a h a n
g e m p a
K u r i k u l u m p e r
g u r u a n t i n g g i j u
g a p e r l u m e n g a n t i s i p a s i n y a .
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M O M E N T
‐ R E S I S T I N G F R A
M E S Y S T E M S ( A
S C E / S E I 7
‐ 1 0 ) R e
s o n s e
N o
S e i s m i c F o r c e
‐ R e s i s t i n g S y s t e m
m o d
i f i c a t i o n
c o e f f i c i e n t , R
‐
2
S t e e l s p e c i a l t r u s
s m o m e n t f r a m e s
( p o r t a l m o m e n r a n g k a
b a t a n g k h u s u s – P M R B K )
7
3
S t e e l i n t e r m e d i a t e
m o m e n t f r a m e s
4 . 5
4
S t e e l o r d i n a r y m o m
e n t f r a m e s
3 . 5
5
S p e c i a l r e i n f o r c e d c o n c r e t e m o m e n t f r a
m e s
8
6
I n t e r m e d i a t e r e i n f o
r c e d c o n c r e t e m o m e n t f r a m e s
5
8
S t e e l a n d c o n c r e t e
c o m p o s i t e s p e c i a l m
o m e n t f r a m e s
8
9
S t e e l a n d c o n c r e t e
c o m p o s i t e i n t e r m e d
i a t e m o m e n t f r a m e s
5
1 0
S t e e l a n d c o n c r e t e
c o m p o s i t e p a r t i a l l y r e s t r a i n e d m o m e n t f
r a m e s
6
1 1
S t e e l a n d c o n c r e t e
c o m p o s i t e o r d i n a r y
m o m e n t f r a m e s
3
1 2
C o l d ‐ f o r m e d s t e e l —
s p e c i a l b o l t e d m o m
e n t f r a m e
3 . 5
C a t a t a n : t e r j e m a h a n m e n
g a c u S N I 1 7 9 2 . 2
K e t e n t u a n D e s a i n T a h a n G e m p a u n t u k S t r u k t u r G e d u n
g B a j a
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M O M E N T
‐ R E S I S T I N G F R A
M E S Y S T E M S ( A
S C E / S E I 7
‐ 1 0 ) R e
s o n s e
N o
S e i s m i c F o r c e
‐ R e s i s t i n g S y s t e m
m o d
i f i c a t i o n
c o e f f i c i e n t , R
‐
2
S t e e l s p e c i a l t r u s
s m o m e n t f r a m e s
( p o r t a l m o m e n r a n g k a
b a t a n g k h u s u s – P M R B K )
7
3
S t e e l i n t e r m e d i a t e
m o m e n t f r a m e s
4 . 5
4
S t e e l o r d i n a r y m o m
e n t f r a m e s
3 . 5
5
S p e c i a l r e i n f o r c e d c o n c r e t e m o m e n t f r a
m e s
8
6
I n t e r m e d i a t e r e i n f o
r c e d c o n c r e t e m o m e n t f r a m e s
5
S
i s t e m s
t r u k t u r b a j a t a h a
n
8
S t e e l a n d c o n c r e t e
c o m p o s i t e s p e c i a l m
o m e n t f r a m e s
8
9
S t e e l a n d c o n c r e t e
c o m p o s i t e i n t e r m e d
i a t e m o m e n t f r a m e s
5
g
e m p a y a n g
a a n
a a
s
p a d a m a
k a l a h i n i .
1 0
S t e e l a n d c o n c r e t e
c o m p o s i t e p a r t i a l l y r e s t r a i n e d m o m e n t f
r a m e s
6
1 1
S t e e l a n d c o n c r e t e
c o m p o s i t e o r d i n a r y
m o m e n t f r a m e s
3
1 2
C o l d ‐ f o r m e d s t e e l —
s p e c i a l b o l t e d m o m
e n t f r a m e
3 . 5
C a t a t a n : t e r j e m a h a n m e n
g a c u S N I 1 7 9 2 . 2
K e t e n t u a n D e s a i n T a h a n G e m p a u n t u k S t r u k t u r G e d u n
g B a j a
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P o r t a l M o m
e n R a n g k a
B a t a n g K h u
s u s – P M R B K
( S t e e l s p e
c i a l t r u s s m
o m e n t f r a m
e s – S T M F )
t e r s e b u t d a n b a g a i m a n a p e r i l a k u
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M e n g a p a s i s t e m P o r t a l M o m e n R a n g k a B a t a n g
,
p o p u l e r d i b a n d i n g p r o f i l I j i k a
j a r a k a n t a r k o l o
m r e l a t i f p a n j a
n g .
‐
.
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M e n g a p a s i s t e m P o r t a l M o m e n R a n g k a B a t a n g
B a n g u n a n P M R B b a n y a k y a n g
r u n t u h s a a t g e m p a M e k s i k o , 1
9 8 5
( R e i s d a n B o n o
w i t z 2 0 0 0 ) . K e r
u n t u h a n n y a b e
r u p a p e r i l a k u k o l o m
‐
,
k o n s t r u k s i t a h a n g e m p a ( B a s h
a ‐ G o e l 1 9 9 6 ) .
A p a r t m e
n t C o m p l e x P i n o S u á
r e z ,
1 9 8 5 M e x i c o C i t y e a r t h q u a k e
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P o r t a l M o m e n R a n g k a B a t a n g K h
u s u s – P M R B K
,
h a s i l p e n e l i t i a n P r o f S u b h a s h
C . G o e l , s e j a k 1
9 8 8 d i U n i v e r s i t a s
M i c h i g a n ( B a s h a ‐ G o e l 1 9 9 6 )
.
I n o v a s i n y a a d a
l a h m e m p e r b a i k i p e r i l a k u p o r t
a l ‐ r a n g k a ‐ b a t a n g ,
d a r i
k o l o m l e m
a h –
b a l o k k u a
t m e n j a d i b e r p
e r i l a k u
k o l o m k
u a t
– b a l o k l e m a h ,
d e n g a n m e n e m p a t k a n s e g m e
n k h u s u s
( a ) T a m
p a k l u a r
( b ) K e m u d a h a n P e n e m p a t a n D u c t i n g M & E
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P e
r i l a k u i n e l a s t i s s i s t e m P M R B K
( C h
a o ‐ G o e l 2 0 0 6 )
( a ) S e g m e n k h u s u
s X - d i a g o n a l
( b ) S e g m e n
k h u s u s V i e r e n d e e l
. ,
S p e c i a l T r u s s M
o m e n t F r a m e
( A I S C 2 0 1 0 b ) , a d a l a h s i s t e m
s t r u k t u r
a n
s a
a t
e m
a b e s a r m e n
a l a m i d e f o r m a s i i n e l a s t i s
h a
n y a p a d a s e g
m e n k h u s u s y
a n g d i s i a p k a n
. B a g i a n l a i n t e t a p
b e
r p e r i l a k u e l a s
t i s .
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S i s t e
m P M R B K
d a n k e t e r b a t a s a n n
a
A d a n y a e l e m e n s t r u k t u r k h u s
u s y a n g d a p a t m e n g a l a m i i n e l a s t i s
d a n e l e m e n l a i n t e t a p e l a s t i s
p r o s e d u r p e
r e n c a n a a n k h u
s u s .
p a a g
e r u n
u a n s r u
u r
a a ,
a
a n y
a e e
y e ,
e a p
j u g a f r a k t u r ( r e t a k ) y a n g b e r s
i f a t n o n
‐ d a k t a i l . O l e h s e b a b i t u A I S C
.
d i b a t a s i
2 0 m ,
t i n g g i r a n g k a
b a t a n g
1 . 8 m
.
D i b a t a s i k a r e n a P M R B K t e r o l o n s
i s t e m b a r u h a n a
a n t
e l a h
d i u j i e k s p e r i m e n y a n g b o l e h d
i p a k a i .
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S e g m e n k h
u s u s ( s p e c i a l s e
g m e n t )
, .
.
.
R a s i o p a n j a n g
v s t i n g g i p a n e l s e g m e n k h u s u s ,
0 . 6
7
L / d 1
. 5 .
K o n f i g u r a s i p a n e l s e g m e n k h u
s u s : ( a ) t i p e X d a n ( b ) V i e r e n d
e e l .
K o m b i n a s i k e d
u a n y a ,
a t a u b e n t u k k o n f i g u r a s
i l a i n
, t i d a k d i i j i n k a n .
T i p e V i e r e n d e e l m e n g u n t u n g k a n d a r i s i s i r u a n g b e b a s , d a n r
e l a t i f
s e d e r h a n a . J a
d i t i p e i n i y a n g j a d i p e m b a h a s a n l e b i h l a n j u t .
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z o n a t e r r o t e k s i
B a t a n g a t a s d a
n b a t a n g b a w a h r a n g k a b a t a n g ( t r u s s ) t i d a k b o l e h
d i s a m b u n g d i b a g i a n s e g m e n
k h u s u s , j a r a k s
e j a u h 0
. 5 t i n g g i
.
A d a " z o n a t e r p
r o t e k s i " , y a i t u
u j u n g ‐ u j u n g s e g m e n k h u s u s ,
.
m e n g a l a m i d i s k o n t i n u i t a s , b a
i k d a r i f a b r i k a s i n y a m a u p u n u n
t u k
a l a s a n e r e c t i o n
.
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L a n g k a h d e s a i n
– k o m b i n a s i p
e m b e b a n a n
P r o s e s p e r e n c a n a a n m u l a i d e n g a n m e n c a r i “ g a y a g e s e r p e r l u ”
b a g i a n s e g m e n
k h u s u s , t e r h a d a p d u a k o n d i s i
p e m b e b a n a n , y a i t u
.
.
.
.
.
.
K o m b i n a s i b e b
a n k e ‐ 1 ( e l a s t i s
) , y a i t u b e b a n g
r a v i t a s i ,
s e m u a
‐
,
h a r u s d a l a m k o n d i s i e l a s t i s . B
a t a n g t e p i s e g m
e n k h u s u s b e l u m
b o l e h m e n c a p a i k o n d i s i i n e l a s
t i s .
K o m b i n a s i b e b
a n k e ‐ 2
, b e b a n
g r a v i t a s i d a n b e b a n g e m p a , b a
t a n g
t e p i s e g m e n k h u s u s b i s a i n e l a
s t i s
. G a y a g e s e r k o m b i n a s i i n i b
o l e h
m e n c a p a i k u a t g e s e r r e n c a n a
b a g i a n s e g m e n
k h u s u s .
E l e m e n s e g m e
n k h u s u s d i r e n c a n a k a n t e r h a d a p g a y a g e s e r d
a r i
u a
o m
n a s
e a n
a t a s .
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c h e c k t e r h a d a
r i s i k o s o
t ‐ s t o r
P a d a k o m b i n a s i b e b a n k e ‐ 2 , c
h e c k r i s i k o s o f t
‐ s t o r y k o l o m b a w a h
j e p i t ( p e r l u b a l o k p e n g a k u d i l e v e l p o n d a s i ) , d e n g a n m e n g h i t u n g
’
,
p c
.
1
S a t u b e n t a n g p o r t a l d e n g a n m e k a n i s m e s o f t - s t o r y ( L e e l a t a v i w a t e t a l . , 1 9
9 9 )
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E l e m e n s
e l a i n s e g m e n k
h u s u s
E l e m e n r a n g k a
b a t a n g s e l a i n s e g m e n k h u s u s
d a n k o l o m ,
d i d e s a i n
b e r d a s a r k a n d e s a i n k a p a s i t a s
, y a i t u k o m b i n a s i a n t a r a b e b a n
b a t a n g t e p i p a
d a s e g m e n k h u s u s .
,
n e ,
p e r s a m a a n E 4 ‐ 5 ( A I S C 2 0 1 0 b )
.
3
.
0 .
0 3 6
y
n c
n e
s
s L
V
E
I
L
L
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D i a g r a m
f r e e
b o
d y b e
n t a n g e k s t e r
i o r d a n i n t e r i o r
( C h
a o ‐ G o e l 2 0 0 6 )
e e
a
g a y a g e s e r m a
s m u m p r o
c a r , s r u
u r
p s a m
e n a
a g r a m r e
e
o
y
b e n t a n g e k s t e r i o r
( a ) g a y a l a t e r a l k e k a n a n ,
( b ) g a y
a l a t e r a l k e k i r i
( c ) k e d u a a r a h
s a m a
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G a y a
g e s e r m a k s i m u
m
G a y a g e s e r m a
k s i m u m ,
V n e , p
a d a t e n g a h “ s e g
m e n k h u s u s ”
t e r c a p a i s a a t k
o l o m l a n t a i 1 m
e n c a p a i k a p a s i t a s m a k s i m u m ,
M p c .
a a p
u ,
g a y a a e r a p e n g m
a n g p a a r e e
o y
a n g g a p
d i d i s t r i b u s i k a n
s a m a s e p e r t i s e b e l u m n y a ,
b e s a r n y a d i h i t u n g
d a r i
.
B e n t a n g e k s t e r i o r b e b a n l a t e r a l k e k a n a n , j u
m l a h t o t a l g a y a n y a :
2
n
n
n
1
1
1
2
8
R
n e
i u
p c
i i
e x t
i
i
i
i
F
V
w
M
h
,
i n t
2
n
n
R
n e
p c
i i
i
F
L
V
M
h
1
1
i
i
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P r o f i l u n t u k e l e m e n s e m
e n k h u s u s
S e t e l a h s e m u a
g a y a p e r l u u n t u k m e n c a p a i k e
s e i m b a n g a n t e l a h
d i b e r i k a n p a d a
s t r u k t u r f r e e b o d y , e l e m e n ‐ e l e m e n p a d a s t r u
k t u r
a n a l i s i s e l a s t i s
y a n g b i a s a .
,
p i l i h a n p e n a m p a n g r e l a t i f c u k
u p b a n y a k
.
U n t u k s e m e n
k h u s u s a a r
a s t i b a h w a k e r u
n t u h a n n a d a k
t a i l
m a k a p r o f i l y a n g d i p i l i h
, y a n g
t e l a h d i u j i e m p
i r i s
, s e p e r t i s i k u
‐
g a n d a d a n p e l a t ( I t a n i ‐ G o e l 1 9 9 1
, B a s h a ‐ G o e l 1 9 9 4 ) , p r o f i l
‐
T e e
( L e e l a t a v i w a t e t . a l 1 9 9 8 ) , k a n a l ‐ g a n d a ( P a r�
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