【摘要】 本文提供一个能够反映层状围岩力学性能的地下洞室稳定的室内模拟试验方法。论述了岩块模拟、夹泥层模拟、岩体模拟及应力释放模拟的试验方法和应模拟的力学参数。介绍了所用低强度模型材料的性质。最后,给出了工程实例,并与电算结果作了比较,二者结果基本吻合。更多还原

【Abstract】 In this Paper the physical modeling technique for rock mass stability around underground openings is offered. It may take account of the characteristics of stratified rock mass. This paper describes the simulation of rock blocks, rock-joints, jointed rock mass and stress release which is caused by different stages of excavation. Some mechanical parameters which should be simulated in modelingis also dealt with and the characteristics of the low strength model materialsis presented. Finally, an example of engineering practice is given, the results obtained from above-mentioned technique are compared with the calculated results by the finite element method and a rather fair conformity has been shown.更多还原