对γθ^p剪切屈服面的初步研究  

Preliminary study for γ_θ~p shear yield surface

作　　者：孔亮[1] 王燕昌[1] 郑颖人[2] 

机构地区：[1]宁夏大学物理与电气信息工程系,宁夏银川750021 [2]后勤工程学院军事土木工程系,重庆400041

出　　处：《宁夏大学学报（自然科学版）》2000年第2期104-107,110,共5页Journal of Ningxia University(Natural Science Edition)

基　　金：国家自然科学基金资助项目!(196 72 0 73)

摘　　要：以前人的试验结果为依据 ,应用广义塑性力学原理对应力洛德角方向上的剪切屈服面γpθ 进行了初步研究 ,首次提出了它的数学表达式 .结合数值算例设计了多种计算方案 ,通过对计算结果的分析和比较说明了该表达式的合理性和有效性 ,并分析了γpθ 对土体变形的影响 .In this paper, the shear yield surface in the θ σ direction is studied preliminarily according to the principle of generalized plastic mechanics, and the mathematical expression of γ p θ is presented initially based on the experiments of other people. Combining with the numerical example,many calculating plans are designed. The comparison and analysis of the various calculated results have shown the validity of the expression, and the effected extent of γ p θ on soil has been obtained.

关 键 词：剪切屈服面 广义塑性力学 土体变形 土力学 

分 类 号：TU432[建筑科学—岩土工程]