Research on the required width of a fault waterproof coal pillar based on underground pressure control theory

Volume: 12, Issue: 15
Published: Jul 30, 2019
Abstract
Based on underground pressure control theory, this paper expounds the distribution characteristics of abutment stress and the resulting damage to a coal seam in front of a working face. In addition, the distribution and propagation features of vertical underground pressure in floor strata is characterized by simulation results obtained from 2D-σ finite element analysis software. Numerical simulation reveals that the peak stress line of the...
Paper Details
Title
Research on the required width of a fault waterproof coal pillar based on underground pressure control theory
Published Date
Jul 30, 2019
Volume
12
Issue
15
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