摘要
地下工程开挖时常出现围岩稳定性问题[1],而研究围岩稳定性问题的关键之一是围岩开挖后的二次应力-形变场研究。由于受诸多不确定因素的影响,对此问题的认识和研究面临一定难题。工程实践证明,借助三维数值模拟方法来研究这一问题具有较好效果。
Wall-rock stability problem often accompanies underground engineering operations.One of the keys to addressing the problem lies in studying the wall-rock quadratic stress and deformation field.Understanding of and research on this problem is challenging due to many uncertainties.Engineering practice proves that 3Dnumerical simulation method is effective in addressing this problem.
出处
《地质灾害与环境保护》
2014年第4期56-60,共5页
Journal of Geological Hazards and Environment Preservation
关键词
地下工程
围岩变形破坏
初始应力场
二次应力-形变场
三维数值模拟
Underground engineering
wall-rock deformation
initial geo-stress field
quadratic stress and deformation field
3D numerical simulation
