time history analysis _damping calculation
TRANSCRIPT
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7/25/2019 Time History Analysis _damping Calculation
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Surface area m2 vrizontal directionrizontal direction Vertical Horizonta
datum yz -plane xz plane xy plane front :
Ballat 0.600 2.30E+06 0.180 2.50 #NU
Soft !ock 7 50 1.20E+05 0.280 2.20 #NU
"eat#ered 4 2.00E+03 0.280 2.00 #NU
Silt 9 2.00E+03 0.350 1.80 #NU
$pper !oad Bed 1 3.00E+03 0.350 1.90 #NU
%o&er !oad Bed 11 1.00E+04 0.300 2.00 #NU
!einforced !oad 0.5 1.30E+04 0.250 1.90 #NU
'p '
Ballat 797.766 498.360 1
Soft !ock 185.482 102.529 7
"eat#ered 22.831 12.620 6
Silt 24.269 11.658 5
$pper !oad Bed 30.537 14.670 3%o&er !oad Bed 52.388 28.002 4
!einforced !oa 54.967 31.735 2
(tf/m2)
enity(tonf/m3)
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Vertical ground reaction: coefficent
:
Horizontal ground reaction:
kh= k
ho
(B
h
30
)
3 /4
kv= k
vo(Bv30)
3/4
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7/25/2019 Time History Analysis _damping Calculation
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(30
)
Cx = Cp
Cy = Cs
Cz = CsCx = Cs
Cy = Cp
Cz = Cs
: =
E
(1+ )(12 )
G= E
2(1+ )
CP=A
+2G
=WA
+2G
W9.81=c
PA
CS=A
G
=WA
G
W9.81=c
SA