Quantitative study on piled state of collapsed top coal


	and drawing ratio in longwall with top coal caving

CLC Number:

[1]	. Research on technology and economic evaluation of coal mine green mining#br# [J]. Journal of Mining and Safety Engineering, 2023, 40(5): 1092-1101.
[2]	. Field study of longwall fully-mechanized caving mining by overburden isolated grouting under a surface railway tunnel#br# [J]. Journal of Mining and Safety Engineering, 2023, 40(5): 1102-1110.
[3]	. Experimental study on water reduction and modification of filling slurry by isolated grouting in overlying strata#br# [J]. Journal of Mining and Safety Engineering, 2023, 40(5): 1122-1128.
[4]	. Study on the spatiotemporal evolution law and mechanical mechanism of the three- field of overlying strata in- situ backfill mining [J]. Journal of Mining and Safety Engineering, 2023, 40(4): 643-655.
[5]	. Research and engineering application on physical and mechanical properties of coal mine high water filling materials [J]. Journal of Mining and Safety Engineering, 2023, 40(4): 754-763.
[6]	. Study on the distribution characteristics of deep hole blasting in the fan-shaped hole of Shilu Iron Mine [J]. Journal of Mining and Safety Engineering, 2023, 40(2): 371-378.
[7]	. Study on four level partition model of gangue fluidized filling in the caving zone [J]. Journal of Mining and Safety Engineering, 2023, 40(1): 11-16.
[8]	. Determining method of the driving time for the gob-side entry considering the effect of gangue compression [J]. Journal of Mining and Safety Engineering, 2020, 37(5): 928-935.

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