Study on liquefaction of saturated loess by in-situ explosion test |
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| Authors: | Lanmin Wang Kaiming He Yucheng Shi Jun Wang |
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| Affiliation: | Lanzhou Institute of Seismology, China Seismological Bureau, Lanzhou 730000, China;Department of Underground Engineering, Tongji University, Shanghai 200000, China |
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| Abstract: | Liquefaction testing at a saturated loess site was performed under the simulated earthquake ground motion induced by artificial
explosions with micro-time intervals. The time histories of ground acceleration, pore water pressure and the ultimate value
of residual strain were recorded and measured. The modified FEQdrain computation software was used to analyze the liquefaction.
Both the test and the analysis confirm the objective occurrence of loess liquefaction. Furthermore, the reliability of the
method of the loess liquefaction analysis based on FEQdrain and the model of pore water pressure development of saturated
loess are examined.
Supported by: China Ministry of Science and Technology (Granted No.2000-35), Registration No.for Publications of Lanzhou Institute
of Seismology, CSB:LC2002-001. |
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| Keywords: | loess liquefaction pore pressure explosion test |
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