摘要
从常规试验数据出发,基于改进的Burgers模型对吕家坨矿巷道围岩的应力—应变关系的时间依存性进行了数值模拟计算,得出了与观测相近的结果。通过计算结果和观测结果的对比分析,探讨了该计算模型的合理性和可行性。
On the basis of conventional test results, an improved Burgers constitutive equation is used to simulate the relation of time dependent stress-strain of the surrounding rock of tunnels in the action of geo-stress in ＂lvjiatuo＂. The validity of proposed constitutive relation is confirmed by comparisons of the locale actuarial measurement with results of numerically simulated.
出处
《武汉工业学院学报》
CAS
2006年第3期72-75,共4页
Journal of Wuhan Polytechnic University
关键词
粘弹塑性
高应力
本构方程
数值模拟
elasto-viscoplastic model
geo-stress
constitutive equation
numerical modeling
