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ANALYSIS OF MULTIPLE SEAM STABILITY

Journal: International Journal of Civil Engineering and Technology (IJCIET) (Vol.10, No. 2)

Publication Date:

Authors : ;

Page : 1132-1139

Keywords : underground mining; multiple seams; longwall; coal pillar; stress and strain state; numerical simulation; goaf; rock bump;

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Abstract

The analysis of influence of multiple coal seam mining on stress and strain condition of the rock massif was made with use of a finite element method. Researches were conducted for conditions of mining of three coal seams in the Alardinskaya mine in the Kuznetsk coal basin. The scientific novelty of researches consists in establishment of distribution of stress at consecutive multiple coal seam mining. As a result of the executed researches recommendations on ensuring safe multiple coal seam mining are made

Last modified: 2019-05-21 18:13:28