摘要
在非线性渗流耦合的条件下 ,研究弹塑性多孔地层中单井抽放问题。建立了问题的基本方程和力学模型 ;推出了应力和孔隙压力的解析解 ;得到了确定塑性区半径、弹塑性交界面上的径向应力和孔隙压力的方程 ;导出了屈服的极限载荷 ;并进行了实例计算。
The single well pumping was considered in elastoplatic porous stratum in the case of nonlinear seepage coupling.The Basic equations and mechanical model of the problem were build up.The analytical solutions for stress and pore pressure were derived.The equations determining plastic zone radius,radial stress at elastoplastic interface and pore pressure were attained.The critical loading for yielding was also presented and illustrating calculation was further carried out.
出处
《重庆大学学报（自然科学版）》
EI
CAS
CSCD
2000年第z1期184-187,共4页
Journal of Chongqing University
关键词
多孔介质
非线性渗流
流固耦合
弹塑性
解析解
porous medium
nonlinear seepage
fluid-solid coupling
elastoplastic
analytical solution
作者简介
徐曾和(1963-),男,上海市人,沈阳东北大学岩石破裂与失稳研究中心教授,研究方向为渗流耦合问题与岩石的失稳破裂.
