Collaborative erosion-control method of releasing-splitting-supporting based on coal mass pressure relief and roof pre-splitting

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United States of America Patent

PATENT NO 11834949
APP PUB NO 20230340878A1
SERIAL NO

18178385

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Abstract

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A collaborative erosion-control method of releasing-splitting-supporting based on coal mass pressure relief and roof pre-splitting provided by the disclosure includes the following steps: step 1, driving into a coal seam to release pressure; step 2, low roof pre-splitting during driving process; step 3, supporting of roadway surrounding rock and support reinforcement; step 4, floor destressing of the roadway; step 5, high roof pre-splitting before mining; step 6, destressing and supporting of the advanced roadway surrounding rock during the mining process of the working face. The collaborative erosion-control method of releasing-splitting-supporting based on coal mass pressure relief and roof pre-splitting, and to carry out local pressure relief, roof pre-splitting and reinforcement support construction in the whole cycle of the coal working face in a progressive manner, so as to achieve the prevention and control of rock burst in the working face.

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Patent Owner(s)

Patent OwnerAddress
SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY579 QIANWANGANG ROAD HUANGDAO DISTRICT QINGDAO CITY SHANDONG PROVINCE QINGDAO CITY SHANDONG PROVINCE 266590

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Lexin Qingdao, CN 4 4
Guo, Weiyao Qingdao, CN 9 8
Tan, Yan Qingdao, CN 22 126
Tan, Yunliang Qingdao, CN 17 16
Zhao, Tongbin Qingdao, CN 13 15

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