2009•Opencast Mining TechnologyRequires access
Numerical simulation study on the damage rule of overlying strata in mining under water bearing soft strata
Yang Ben-shui
Open publisher page 0 citations
Abstract
Taking the typical coal such as mining in 1011 face of Wugou mine,numerically simulating the movement rule of overlying strata of roof caused by mining by using ANSYS software,analyzing the damage movement rule of overlying strata in mining under water bearing soft strata,confirming the height of the water flowing fractured zone and the overlying strata caving zone,testing the simulation result by the empirical formula and simple hydrology observation result,obtaining the damage movement rule of overlying strata and the height of Two zonein 1011 face,further providing the effective technical parameters for reasonably retaining waterproof pillar.