Mechanical mechanism of dynamic fracture evolution of coal floor unloading in deep mining

[1]	. [J]. Journal of Mining & Safety Engineering, 2018, 35(4): 801-809.
[2]	CHEN Xiaoxiang，WANG Leichao，FU Donghui. A study on inward movement deformation mechanism and control technology of dynamic pressure gateway of island mining face [J]. Journal of Mining & Safety Engineering, 2015, 32(4): 552-558.
[3]	FU Baojie，TU Min. Experimental research on fracture evolution law of water-resisting in coal seam floor during re-mining [J]. Journal of Mining & Safety Engineering, 2015, 32(1): 54-58.
[4]	GOU Pan-Feng, XIN Ya-Jun, SHEN Yan-Mei, ZHANG He. Stability analysis and mechanism of two-side anchorage body in deep mine gateway [J]. Journal of Mining & Safety Engineering, 2013, 30(1): 7-13.

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