摘要
本文采用三维快速拉格朗日方法,在建立三维数值模型基础上,通过对不同开挖进尺、不同泊松比、埋深和峒室高宽比条件下的峒室开挖进行数值模拟,寻找上述多种因素对峒室位移释放系数的影响规律。该研究方法快速、高效,可以大幅度节省原位实验的费用,研究结论对于科学分析施工监测信息具有指导意义。
Using three dimensional fast lagrangian method, this paper numerically simulated the cavern excavating in different conditions of workplane distance, Poisson ratio, cover depth and aspect ratio based on three dimensional numerical model, for searching the rule of how the above factors influencing the diplacement release coefficient of the top arc and side wall of cavern. The numerical simulation method is rapidly and highly active, it is cheaper than in-situ experiment. The researching conclusion could supervise ＂to accurately analyze the moitoring dada in cavern construction period.
出处
《中国矿业》
北大核心
2005年第10期52-55,共4页
China Mining Magazine
关键词
峒室开挖
三维快速拉格朗日
空间效应
位移释放系数
Cavern excavating
Three dimensional fast lagrangian
Numerical simulation
Space effect
Displacement release coefficient.
