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