Empty area recognition technology of coal and
rock mass by elastic wave ct inversion

CLC Number:

[1]	. Water-resisting key strata stability detected by optic fiber sensing in shallow-buried coal seam [J]. Journal of Mining and Safety Engineering, 2020, 37(4): 731-740.
[2]	XIE Shengrong，GAO Mingming，CHEN Dongdong，YUE Shuaishuai，. Study on the distribution and evolution characteristics of spherical stress shell in backfilling mining stope [J]. Journal of Mining & Safety Engineering, 2019, 36(1): 16-23.

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