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采用相似材料模拟实验方法,对采空区充填控制地表沉陷相似材料模拟实验,模拟工作面采空区充填控制地表及覆岩移动,采用3种不同强度充填材料充填开采推进过程中工作面采空区,观测地表及覆岩移动规律.得到了充填开采条件下地表及覆岩的移动规律,充填材料的强度与地表下沉系数的关系,采空区充填的空间与充填时间的关系,为解决采空区充填开采提供了科学依据.
Similar materials simulation experiment was used to simulate the similar materials of ground subsidence control in mined-out area. The mined-out area of mined-out area was controlled to control the movement of surface and overburden strata. Three kinds of filling materials with different intensities were used to fill the mined surface The relationship between the filling material strength and the surface subsidence coefficient, the relationship between the filling space and the filling time in the mined-out area, in order to solve the problem Gob filling provides a scientific basis for mining.