| 基坑开挖过程中m参数的选取分析 |
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| 引用本文： | 袁静,刘兴旺,益德清. 基坑开挖过程中m参数的选取分析[J]. 工业建筑, 2000, 30(9): 46-51 |
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| 作者姓名： | 袁静 刘兴旺 益德清 |
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| 作者单位： | 1. 浙江大学岩土工程研究所,杭州,310027
2. 浙江省建筑设计院,杭州,310006 |
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| 摘 要： | 在采用杭州饱和软粘土进行室内三轴试验模拟基坑开挖时应力路径的基础上 ,分析了m参数随应力路径、应力水平、应变方向的变化规律 ,获得了考虑应力路径影响的土体的本构模型 ,同时提出了用抗剪强度法确定m参数 ,并探讨了基坑开挖全过程设计中m的选取问题。
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| 关 键 词： | m参数 饱和软粘土 本构模型 不排水抗剪强度法 基坑开挖全过程设计 |
| 修稿时间： | 2000-05-23 |
DETERMINATION OF m COEFFICIENT DURING EXCAVATION |
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| Yuan Jing,Liu Xingwang,Yi Deqing. DETERMINATION OF m COEFFICIENT DURING EXCAVATION[J]. Industrial Construction, 2000, 30(9): 46-51 |
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| Authors: | Yuan Jing Liu Xingwang Yi Deqing |
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| Abstract: | The method how to determinate m coefficient by m method during excavation is discussed,a new constitutive model which is considered by the influence of stress paths is constructed at the same.At last,a conclusion is drawed that the safe degree calculated by modified m coefficient is lower than one which is calculated by unmodified m coefficient. |
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| Keywords: | m coefficient saturated soft clay constitutive model undrained shear strength all course design during excavation |
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