DOI: 10.11799/ce201611001
Security analysis of air shaft coal pillar backfill mining
HUANG Yu-cheng
HAO Yu-xin
LU Shao-qi
ZHAO Cheng-wei
YANG Tao
Abstract：According to the location of air shaft coal pillar and the situation of surface buildings, a backfill mining scheme of air shaft pillar is proposed. Through surface movement and deformation prediction analysis, the security of backfill mining are analyzed with the damaged grading standard of surface buildings and facilities. The results indicate that the surface movement and deformation of air shaft caused by backfill mining is small and there is a slight influence of the surface buildings. Backfill mining is safe and feasible. 72000 tons of air shaft coal are mined offering obvious economic and social benefits.
Keywords：coal pillarbackfill miningsurface movementdeformation prediction
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( 1-3,6 )