Research on differential control technology for deep coal seam roadways
WANG Chuanchen
ZHANG Zhenbin
ZHENG Di
PENG Rui
Abstract：In order to solve the problems of poor stability and difficult control of the surrounding rock in deep coal seam mining tunnels,as well as poor unified support effect for different surrounding rocks,combined with the actual situation of the 2307 working face in Xiaoyun Coal Mine,the surrounding rock of the mining tunnel was innovatively divided into the solid coal body area,area adjacent to abandoned mining roadways,and area affected by faults.Theoretical analysis,field experiments,numerical simulations and other methods were used to study the support schemes and parameters of the surrounding rock of different partitioned tunnels and provide partitioned support schemes.Through on-site monitoring,it was found that after reasonable support ac-cording to the zoning support plan,the deformation of surrounding rock,roof separation,and stress data of an-chor rods(cables)in each area's roadway were within the normal range,verifying the reliability of the zoning support plan.
Keywords：deep coal seamsstructural beltpartition supportsupport parametersnumerical simulation
Publication Date：2025-08-30
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：9( 29-36,58 )