Large deformation induced by post-liquefaction sand

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ymch_at_hhu.edu.cn 2006?5?28?
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• 2006?5?27???5?54?(????6?54?)??,?????????6.2???,???
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???? Newmark?(Lee, 1974) ?????(Yasuda et al.,
1992) BSHM (Wang et al, 1990) ????? (????,
2002) Viscoelastic model(????, 2004)
???? ????(Sasaki et al., 1992) ????(Uzuoka el
al., 1998, Hadush et al., 2000, Towhata et al.,
2005) ?????(???,????, 2006)
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Good idea!
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v
F
Towhata et al., 1999
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2002? Nishimura??????????????????????????,???????
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1999? Towhata???????????,???????????,?????????????
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1992? Towhata ????????????,???????????????????????
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1992? Sasaki???????????????????????,?????????????
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sc
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EPP
t
Stage 2 ???
Stage 3 ???
Stage 1 ??
Time
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sc
EPP
Stage 1 ??? ???
Stage 2 ????
t EPP
t - g
0
g
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log(m)6.775(1-PPR)0.135
Excess Pore Pressure Ratio
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• q ?t, ?

No. k1 n1
1 12.788 0.372
2 1.446 0.247
5 1.149 0.245
7 21.092 0.337
8 13.636 0.455
No. k2 n2
1-8 6.775 0.135
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• FLAC3D???
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• VC????(UDM)
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• PL-Finn??
• Post Liquefaction Finn Model

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• ???????????????????????????FLAC3D?????
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