DOI: 10.11799/ce201603015
Optimization and application of support technology for retracement roadway in fully mechanized working face
LI Xing-hua
YUAN Deng-liang
XUE Rui-rui
Abstract：Based on the original support scheme of retracement channel in 15101 working face in Lingzhida coal mine, numerical simulation is applied to research the roadway deformation characteristics under stress. According to the simulation results, the support intensity is favorable, while the row spacing between bolt and anchor cable is too small, leading to lag in retracement and long retracement period. To solve this problem, this paper analyzes the retracement roadway support strength characteristics, and proposes the optimization scheme, and selects the optimal retracement scheme for roadway support with numerical simulation, and which is verified in field measurement. Results show that, the security requirements are satisfied, the material consumption is reduced, and the period is shortened.
Keywords：retracement channelsupport technologynumerical simulationfully mechanized working facefield test
Publication Date：2016-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 46-48,51 )