Study on seepage characteristics and visualization of coal and rock under coupled stress-strain-seepage conditionsChinese Full Text English Full Text (MT)

JIANG Changbao;WEI Wenhui;LIU Xiaodong;WU Jiayao;School of Resources and Safety Engineering, Chongqing University;Ordos Yingpanhao Coal Co., Ltd.;

Abstract: The permeability of coal and rock determines the difficulty of gas flow, and the mechanical properties of coal and rock also affect the permeability of coal and rock to some extent. In order to investigate the changes of permeability characteristics of coal and rock under different stress-strain conditions, the permeability test of coal and rock was carried out and combined with computed tomography（CT） scanning to reconstruct the pore-fissure structure of coal samples in three dimensions. The ev... More

Keywords：

loaded fractured coal body; permeability; pore fracture structure; CT scanning; three-dimensional reconstruction; gas flow simulation;

DOI：
10.19835/j.issn.1008-4495.2022.05.011
Series：
(B) Chemistry/ Metallurgy/ Environment/ Mine Industry
Subject：
Mining Engineering; Security Science and Disaster Prevention
Classification Code：
TD712

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