IMECH-IR  > 流固耦合系统力学重点实验室
不同边界条件下土石混合体破坏机制研究
Alternative TitleA study of the failure mechanism of rock and soil associate under different boundary conditions
范永波; 李世海; 侯岳峰; 冯春
Source Publication水文地质工程地质
2013-05-15
Volume40Issue:3Pages:48-51,68
ISSN1000-3665
Abstract土石混合体是非均匀、非连续的,在外力作用下,其内部应力分布是不均匀的,其真正的边界条件是等应力边界条件。现有的土力学实验机都是刚性边界加载,即按等位移边界条件加载,不适用于研究非均匀材料。基于此自行研制了等应力边界加载实验机,通过采用柔性压头和柔性底座施加等应力边界条件,研究两种边界条件下土石混合体抗剪强度参数的差异,同时采用课题组自行研发的CDEM(Continuum-based Discrete Element Method)计算软件,开展了相应的数值计算,结果表明,传统的等位移边界条件所得不均匀地质体参数明显大于同等条件下等应力边界条件所得参数(约20%),是偏不安全的。
Keyword土石混合体 不同边界条件 三轴实验
Subject Area岩体力学和土力学
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Indexed ByCSCD
Language中文
Funding Organization973项目(2010CB731506);国家自然基金项目(11002146)
CSCD IDCSCD:4829152
DepartmentLMFS工程地质体力学(LEM)
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/47256
Collection流固耦合系统力学重点实验室
Corresponding Author范永波
Recommended Citation
GB/T 7714
范永波,李世海,侯岳峰,等. 不同边界条件下土石混合体破坏机制研究[J]. 水文地质工程地质,2013,40(3):48-51,68.
APA 范永波,李世海,侯岳峰,&冯春.(2013).不同边界条件下土石混合体破坏机制研究.水文地质工程地质,40(3),48-51,68.
MLA 范永波,et al."不同边界条件下土石混合体破坏机制研究".水文地质工程地质 40.3(2013):48-51,68.
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