Research on Instability Mechanism of Coal and Rock Mass and Coupling Grouting Control in Fault Fractured Zone
LU Zhaohai
LAI Xingping
ZHAO Changhong
SUN Huan
YAN Ruibing
FANG Xianwei
CUI Feng
Abstract：Taking the complex coal seam working face of Qingshuiying Coal Mine crossing the fault area as the engineering background, this paper studies on mechanism of disturbance-induced fault activation in fault area and disaster control-reduction model, gives the internal grouting coupling control method, ameliorates the self-carrying capacity of coal and rock structure, improves the support structure and coal rock interaction and adaptability, and achieves disaster reduction and safe mining. This research provides a theoretical basis for safe mining under the disturbance of complex coal rock structure, also provides engineering reference for the future development of coal energy security in Ningdong Mining Area and similar conditions in China.
Keywords：Fault fractured zoneStability of coal rockRoof instabilityCoupled grouting controlCoordinated controlGrouting process
Publication Date：2018-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：7( 19-25 )