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( D) 0.7 0.7 0.6 ( E) 1.0 0.9 0.8
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,dx EEdy, :
2Edy
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. , . ... 4
8 A, B, C, D E
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. S2
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5
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):
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.
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A
5m
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,
,
,
360 800 >50 >250
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,
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D
(
),
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. , . ... 6
agR, .
, 1, 2 3
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,
ST 1.00 . ,
, T (sec)
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S
0 C TD
2.5STC/T
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2,
, C D S.
,
1, S
.
S TB(sec) TC(sec) TD(sec)
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C 1.15 0.20 0.60 2.50
D 1.35 0.20 0.80 2.50E 1.40 0.15 0.50 2.50
:
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B
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TaTS 0
03)( vgve .aTS C
T
T.aTS Cvgve 03)( CD
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T
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avg/ag TB(sec) TC(sec) TD(sec)
0.90 0.05 0.15 1.00
,
:
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(3.8)
(3.11) 8
(3.12)
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. , . ... 10
.
(
),
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.
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(: ,
, ).
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:
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252
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. , . ... 11
avg=0.90ag.
S=1.0
.
q 1.5 .
q>1.5 .
(
)
:
ik,iE,jk, QG
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= 3.7.
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()
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8
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.
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8
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. , . ... 12
q>1,
:
ds = qdde
qd =
de =
.
qd = q ( qd
q TC).
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.
(4.23) 8
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. , . ... 13
8,
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.
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8
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. , . ... 14
4, : 4, :
=Lmax/Lmin
Lmax Lmin
, .
x y,
e0 r
:
y
e0x 0,30rx
rx s
x
e0y 0,30ry
ry s
:
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( )
x,
( e0y).
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ry):
y
rx
.
,
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0 , .
s =
:
s
(4.1.a)
(4.1b) 8
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. , . ... 15
,
25%
( 20%
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. , . ... 16
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8/22/2019 EC8-2012ff
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88
. , . ... 17
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100
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) .
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. , . ... 20
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.
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,
().
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88
. , . ... 21
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,
.
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, ) (infills).
.
.
:
Fa=(SaWaa)/qa
:
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Wa =
a = . , a=1.0,
, a1.5.qa =
.
Sa = , :
Sa=aS{3(1+z/H)/[1+(1Ta/T1)2] 0.5}aS
a = (ag/g)
S =
Ta =
1 =
z =
(
)
= .
(4.25)
8
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8
(4.24)
8
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88
. , . ... 22
qa
qa
1.00
,
2.00
,
,
()
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8
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88
. , . ... 23
..
.. :
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.
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),
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8/22/2019 EC8-2012ff
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88
. , . ... 24
, q,
:
q=q0 kw 1.5
:
q0 =
, .
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50
13)1(
1
0
.
/kw
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ww/h 0 , .
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:
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iwi0 h
, u 1 :
1 =
1
,
.
u =
,
.
u/1 .
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88
. , . ... 25
q0
M
103 /. u 154 /. u
3.0 104 /. u
2.0 3.0
1.5 2.0
u/1
u/1
1
1.10 1.05
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1.30 1.15
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1.10 1.05
1.20 1.10
1 , u/1
1.0 , .
u/1
,
(pushover).
, u/1
.
pushover.
(5.1)
8
8/22/2019 EC8-2012ff
27/37
88
. , . ... 26
, , : max1u
1.5,
pushover .
1
,q, :
1
& .
.
& .
.
3.30 2.64 3.15 2.52 4.95 3.96 4.20 3.36
3.60 2.88 3.30 2.64 5.40 4.32 4.95 3.96
3.90 3.12 3.45 2.76 5.85 4.68 5.17 4.14
1 =
=
=
2
,q, kw=1.0:
1
& .
.
& .
.
3.00 2.40 3.00 2.40 4.00 3.20 4.00 3.20
3.00 2.40 3.00 2.40 4.40 3.52 4.20 3.36
3.60 2.88 3.30 2.64 5.40 4.32 4.95 3.96
1 =
=
=
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88
. , . ... 27
, 8
..
.
,
.
,
. ,
.
rxs
rys
:
x,y =
rx,ry = x y, :
y
xK
Kr
x
y
K
Kr
K =
Kx,y= x y
s = :
m
IKMs
=
..
m =
.5.2.2.1(4)
5.2.2.1(6)
8
(4.1b) 8
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88
. , . ... 28
.
,
. ,
,
. ,
. 3.3.3 2000,
0 , .
. 3.3.3 2000,
:
z
y
x
ucr
z
xy
ucr
:
ux,uy= x y 0
Fi, ,
xy.
z =
cFi.
c = (..c=1).
(5.2) (5.2),
:
1s
x
r 1
s
y
r
,
, rmx rmy, 2000,
:
(3.5 ,)
2000
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88
. , . ... 29
1y
KMKM,
mK
IK
1x
KMKM,
mK
IK
,
x y :
KM
KM,
I
K ,
m
K xx ,
m
K
y
y
, ,
:
x y
,
x y
,
( )
:
, ,
x y,
, .
rmx rmy
rx ry E8
.
. ,
.
.
..
.
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88
. , . ... 30
. ( ), VEd,
, 1,d 2,d,
.
. 1,d 2,d
:
i:
Rb
RciRb,Rddi,
M
MMM Rb>Rc
iRb,Rddi, MM Rb
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88
. , . ... 31
..
,
,
(
58 8).
:
MRc1.3MRb
:
MRc = .
MRb = .
,
MRb.
.
, ,
,
0.3(d0.3).
(4)
, (5.27)
,
(3) (4) .
(4.29) 8
.4.4.2.3 8
.5.2.3.3(2) 8
.5.2.3.3(2) 8
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88
. , . ... 32
,
( ), VEd,
, 1,d 2,d,
.
: ()
( ,
), ()
,
.
1,d 2,d :
RbRc: iRc,Rddi, MM :
.
1.1
Rd =
1.3
Rc,i = i
Rc =
Rb =
.
, :
cl
d,2d1,
Ed
MMV
cl .
.5.4.2.3 8
.(5.9) 8
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88
. , . ... 33
,
,
. ,
c ,
,
, .
c
, : c = b/cos.
15%
:b=0.15L/cos :
c=0.15L/cos2
c
:
.
1.
,
:
VEd,1=fvkLtw
L tw
fvk ,
.
2. RdMRc,i
c, MRc,i
.5.9(4) 8
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88
. , . ... 34
Rd=1.1 Rd=1.3 .
:
VEd,2=2RdMRc,i/c
,
:
fvkLtw
VEd=min
2RdMRc,i/c
,
, :
.
RdMRc,i
, MRc,i
Rd=1.1
Rd=1.3 .
hc, hc
.
1.5hc,
.
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88
. , . ... 35
..
, ,
:
4.00m
wmin
2hw/3 ( hw= )
(
) . ,
,
. , ,
,
.
,
.
,
:
,
65%
(
). ,
,
.
, (.
)
20%
.
,
, :T10.5sec.
.5.1.2 8
.5.2.2.1.(3) 8
8/22/2019 EC8-2012ff
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88
,
: rx s ry s.
.
,
( ), :
( )
.
, q0,
1.5
( 2/3).
,
.
.5.2.2.1(7) 8