摘要
老采空区上方建大型建筑物所引起的地基稳定性问题是目前一些矿区急待解决的问题。为了系统、全面地分析地基的稳定性，以厚度为权对地层进行理想化，对采空区上覆岩体进行了概化处理，给出了不同岩体组合的概化模型。针对三带岩体的破坏程度不同、给出了相应的岩全力学参数的修正参数，并进一步讨论了有限元模型的选取、边界及边界务件的确定原则。实例表明推荐的方法是科学合理的。
he problem urgently needing to be solvedin many mineareas is the stability of foundation on the ground above the old mine goafs arosed from gigantic building.In order systematically study the stability of foundation the paper has idealized the strata taking the statum thickness as weight .and set up an idealization model for different kinds of compositions of the rock mass. According to the different damage of rock mass in the three zones .the corresponding correction coefficients of the mechanical parameters of rock mass is given. The selection of the finite element model and the determination principle of boundary and boundary conditions are further discussed. The practical example shows that the introduced method is scientific and suitable.
出处
《西安矿业学院学报》
北大核心
1995年第1期29-33,共5页
Journal of Xi'an University of Science & Technology
关键词
采空区
建筑物
地基
稳定性
ld mine goaf
idealization model
mechanical parameters of rock mass
correction coefficient
