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基于非线性破坏准则超前支护桩加固高切坡的静动稳定分析
Alternative TitleSTATIC-DYNAMIC STABILITY OF PRE-PILED FOR HIGH CUTTING SLOP WITH NONLINEAR FAILURE CRITERION
何思明1,2; 张晓曦3; 欧阳朝军1,2
2011
Source Publication工程力学
ISSN1000-4750
Volume7Issue:3Pages:119-125
SubtypeArticle
Contribution Rank1
AbstractBaker提出非线性破坏准则是一种广义的岩土体强度准则,常规的M-C强度准则、格里菲斯强度准则以及Hoek-Brown强度准则均为其特例。该文应用Baker非线性破坏准则,研究了高切坡稳定性判识、超前支护桩加固以及加固高切坡的地震屈服加速度和永久位移计算的极限分析方法。根据上限定理进行推导,分别建立了安全系数以及屈服加速度系数与多个变量的函数,将相关问题转化为含有多变量的数学优化问题并给出了最优解。结果表明:切坡方式对高切坡稳定性、超前支护桩加固荷载有显著影响,对已加固高切坡的屈服加速影响较小。
Other AbstractThe non-linear failure criterion proposed by Baker is a generalized geotechnical strength criterion, and the conventional criterion such as M-C, Griffith and Hoek-Brown strength criterion are all special cases of it. Here, based on the Baker criterion, we studied the advance diagnosis of the high cut slope stability, the reinforcement method of pre-reinforced pile, and the critical acceleration and permanent displacement of failure system under seismic excitations. Meanwhile, the optimal solutions are also suggested by multivariable expression. At last, an example is given to prove the theory. The result shows both slope stability and the load of pre-reinforced pile, except for the critical acceleration, are both affected greatly by the cutting method effect.
Keyword高切坡 非线性强度准则 超前支护桩 上限定理 静动稳定性
Indexed ByEI ; CSCD
Language中文
CSCD IDCSCD:4395328
EI Accession NumberAccession number:20120214672367
Citation statistics
Cited Times:4[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/25971
Collection山地灾害与地表过程重点实验室
Corresponding Author何思明
Affiliation1.中国科学院山地灾害与地表过程重点实验室;
2.中国科学院水利部成都山地灾害与环境研究所;
3.西南交通大学土木工程学院
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
何思明,张晓曦,欧阳朝军. 基于非线性破坏准则超前支护桩加固高切坡的静动稳定分析[J]. 工程力学,2011,7(3):119-125.
APA 何思明,张晓曦,&欧阳朝军.(2011).基于非线性破坏准则超前支护桩加固高切坡的静动稳定分析.工程力学,7(3),119-125.
MLA 何思明,et al."基于非线性破坏准则超前支护桩加固高切坡的静动稳定分析".工程力学 7.3(2011):119-125.
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