岩土工程中多因素下球孔扩张解析  

Analysis of Spherical Cavity Expansion in Geotechnical Engineering Considering Multiple Factors

作　　者：陈晨 Chen Chen(Infrastructure Division of Chang'an University,Xi'an,Shaanxi 710016)

机构地区：[1]长安大学基建处,陕西西安710016

出　　处：《江西建材》2022年第7期73-74,共2页Jiangxi Building Materials

摘　　要：文中通过球对称问题的应变协调方程,考虑渗流理论、中间主应力和相关流动法则分析球孔扩张问题,得出考虑渗流作用的基于统一强度理论的塑性区应力和位移基本公式,研究了球孔问题中塑性区半径和扩孔压力的参数变化规律。Through the strain coordination equation of spherical symmetry problem, considering the seepage theory, intermediate principal stress and related flow rules, the spherical hole expansion problem is analyzed, the basic formulas of plastic zone stress and displacement based on unified strength theory considering seepage are obtained, and the parameter variation laws of plastic zone radius and reaming pressure in spherical hole problem are studied.

关 键 词：中间主应力 渗流理论 球孔扩张理论 扩孔压力 塑性区半径 

分 类 号：TU19[建筑科学—建筑理论]