Title: Soft Coal Mining Face with the Characteristics of the Stress Concentration
Abstract:Due to the influence of mining,let originally in balance of coal seam stress distribution,and again in front of the formed some of the width of the stress concentration belt.In the stress concentratio...Due to the influence of mining,let originally in balance of coal seam stress distribution,and again in front of the formed some of the width of the stress concentration belt.In the stress concentration belt inside,gas emissions,hard to production safety threat.This article through to soft coal seam mining coal extracion ahead of the vertical stress in-situ measurement and found stoping face the stress concentration belt of approximate scope,and found that the stress concentration belt than previous research from coal surface distance is farther,by sorting out and analyzing data,discuss produce the reasons why.For better control soft coal seam the stress concentration belt provides scientific basis.Read More
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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