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Published in 2021 at "Powder Technology"
DOI: 10.1016/j.powtec.2021.05.062
Abstract: Abstract Because of coal seam excavation and periodic disturbance of back-and-forth coal cutting, the surrounding rock is subjected to tiered cyclic unloading and loading. Based on this, a seepage experiment under constant axial stress and…
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Keywords:
coal;
cyclic unloading;
damage;
permeability ... See more keywords