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Abstract:
利用土工动态真三轴仪进行侧限条件下饱和砂土的液化试验研究.通过对应力时程曲线及有效应力路径的分析发现,侧限条件下循环荷载试验中饱和砂土达到初始液化后孔隙水压力和围压随轴向动荷载同步等值变化,广义剪应力和有效平均主应力始终保持在液化应力水平,基于以上现象提出“持续液化”的概念,与常规试验中的“瞬时液化”进行比较发现,常规试验中影响土体剪胀性的因素,如密度、固结比、粒径,并不会影响侧限条件下循环荷载试验中“持续液化”的发生.
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Source :
土木工程学报
ISSN: 1000-131X
Year: 2014
Issue: 4
Volume: 47
Page: 92-98
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 13
Chinese Cited Count:
30 Days PV: 9
Affiliated Colleges: