Long-term resilient behaviour of thawed saturated silty clay under repeated cyclic loading:
experimental evidence and evolution model
期刊名称: Road materials and pavement design
大连mba培训作者: Lin, Bo,Zhang, Feng,Feng, Dechengapply的用法
作者机构: Harbin Inst Technol
accompany名词免费英语口语培训年份: 2019年
2012上海中考英语
期号: 第3-4期
blackhat关键词: long-term resilient modulus;thawed saturated silty clay;dynamic tri-
axial test;evolution model;asonally frozen region
nearby摘要:In asonally frozen regions, subgrade soils are not only being subjected
three的序数词
to large numbers of repeated cyclic loading at a stress level lower than shear strength, but also suffer from the effect of freeze-thaw cycles, which could make
the long-term resilient behaviours of subgrade soils as important as the short-term resilient behaviours determined by standard test procedures. In this study, three ries of undrained cyclic tri-axial tests were performed to investigate the evolution of the resilient modulus for thawed saturated silty clay during the long-term repeated cyclic loading. Effects of the freeze-thaw cycles, cyclic stress amplitude, confining pressure and loading frequency were considered. Bad on the experimental evidences, it was found that the normalid resilient modulus decreas with an increa in the
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