Release Time:2023-05-15  Hits:

Date of Publication: 2022-10-09

Journal: 地震工程学报

Institution: 建设工程学部

Issue: 1

Page Number: 6-10

ISSN: 1000-0844

Abstract: Field observations and laboratory studies indicate that sand with a certain amount clay can be easily dynamically liquefied under certain conditions and that the amount of clay has a com-plex impact on the liquefaction resistance of sand.Using a CKC dynamic tri-axial test system,the liquefaction resistance of sand samples with different clay content (0%,5%,and 10%)was inves-tigated.The results show that the sand sample with 5% clay had the lowest liquefaction resist-ance;the generation of pore water pressure is obviously effected by the clay content.The liquefac-tion mechanism of the sand-clay mixture is explained according to the experimental results.

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