厚松散层下开采预计的概率积分法修正模型

Correction model to probability integration method in mining under thick alluvial

由于厚松散层下开采具有明显不同于一般地质条件下的沉陷特性,结果导致在用传统的概率积分法对其预计时,预计结果与实际往往偏差较大.基于厚松散层土体与基岩岩性不同,根据岩层移动分层传递的观点,结合厚松散层下开采地表移动特征,建立了厚松散层下开采地表移动预计的概率积分法修正模型,对厚松散层下开采地表移动预计及建筑物保护有一定指导意义.

Due to the subsidence character in mining under thick alluvial evidently different from that of normal geological conditions,the prediction result is always some declination to the practical when using the traditional probability integration method. Based on the qualitative differentia of the rock between the main bottom and the alluvial soil,in terms of the viewpoint of delaminate transfer of the rock movement,and in combination with the especial subsidence character in mining under thick alluvial,the correction model to probability integration method in mining under thick alluvial has been established,which has some guidance meaning in surface prediction and buildings protection in mining under thick alluvial soil.