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输电线路地基软黏土的单调剪切特性研究

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文章针对输电线路地基获取的原状软黏土,进行了一系列应变控制的单调单剪试验,研究了不同初始固结压力对软黏土的剪切强度的影响.研究表明:原状土的抗剪强度随着初始固结压力的增大而不断变强,软黏土存在一定的结构性;峰值孔压随着初始固结压力的增大而变大.获得了温州原状土的破坏包络线,不同初始固结压力下的有效应力路径朝着破坏包络线的方向移动.
Study on Monotonic Shear Characteristics of Soft Clay in Transmission Line Foundation
A series of strain controlled monotonic simple shear tests were carried out on undisturbed soft clay in transmission line foundation,and the effects of different initial consolidation pressures on the shear strength of the soft clay were studied.The results show that the shear strength of undisturbed soil increases with the increase of initial consolidation pressure,and the soft clay has a certain structure.The peak pore water pressure increases with the increase of initial consolidation pressure.The failure envelope of Wenzhou undisturbed soil is found,and the effective stress path under different initial consolidation pressures moves towards the failure envelope.

soft claymonotonic shearshear strengthfailure envelope

陈征远、郑圣、钱成雷、吴昊、徐慧、涂德敏

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温州电力设计有限公司

温州大学建筑工程学院

软黏土 单调剪切 抗剪强度 破坏包络线

2023

城市建筑
黑龙江科学技术出版社

城市建筑

影响因子:0.761
ISSN:1673-0232
年,卷(期):2023.20(24)
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