Study On Main Roadway Construction And Control Technique Of Surrouding Rock In The Conditions Of Fault Groups

Taking the roadway groups across fault groups of Yuandian NO.2 coal mine in Huaibei for the engineering background, this thesis studies on roadway construction at fault and fracture zones and control technique of surrouding rock by the way of geophysical prospecting, numerical analysis and locale construction and monitoring.Based on depth exploration on engineering geological condition and simulation analysis on stress field features of huge fault zones,combined with practical situation of surrouding rock at fracture zones,the construction principles of nip in the mud, advanced test, slight burst,reinforced support and tight sealing,was put forward,and integrated technology of Advanced detection, Advanced strengthening, slight shock cutting and substep Dynamic Supporting was formed; Construction technology and Dynamic mechanical properties was researched by the principle of substep Dynamic coupling support, surrounding rock mechanical properties and interaction of was analyzed during the construction process of fault and fracture zones; locale industrial testing was done, Surrounding rock deformation was monitored and measured, eventually,roadway crossed fault and fracture zones safely and rapidly.