Abstract
In the process of deep mining, mining roadway has severe deformation and high deformation speed. Arranging mining roadway is an effective way to reduce deep roadway deformation under the mined-out area. This paper uses FLAC3D Fast Lagrangian Analysis of Continua to make the coal rock geological structure modeling, works out the stress and strain state of coal and rock in different ways when arrange mining roadway under goaf, and then get the influence rule by comparing and analyzing the computed result, providing reliable and efficient theoretical foundation for arranging mining roadway under goaf.
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