Surrounding Rock Control Technology for Small Pillar Roadway Driving along Gob of Isolated Working Face with Thick Compound Roof
ZHAN Qinjian
CHEN Bin
HAO Guangsheng
Abstract：In this paper, study was made on the distribution of the plastic zone and the vertical stress in the isolated working face by theoretical analysis and numerical simulation, a 8. 0 m-mide coal pillar to be reserved for such face was determined and the distribution of the plastic zone of the roadway surrounding rock in different support scheme was simulated. Based on the combined support scheme using anchor cable, steel strip and grouting and the mine pressure observation data, analysis was carried out on characteristics of ground behaviours of the small coal pillar roadway driving along the gob of the isolated working face, which can provide a certain reference for the surrounding rock control of the roadway driving along the gob of the subsequent isolated face.
Keywords：isolated working faceplastic zonesmalll pillarnumerical simulationsurrounding rock controlcombined support
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：5( 52-55,60 )