Finite element analysis of temporary support for top coal fast tunneling

CHENG Fuming; HAN Zhongli; LIU Jiansheng; CAO Xiulong; HAN Xiaoming; LU Zhongliang

Safety in Coal Mines > 2021 > 52(7): 231-236.

CHENG Fuming, HAN Zhongli, LIU Jiansheng, CAO Xiulong, HAN Xiaoming, LU Zhongliang. Finite element analysis of temporary support for top coal fast tunneling[J]. Safety in Coal Mines, 2021, 52(7): 231-236.

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Finite element analysis of temporary support for top coal fast tunneling

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Published Date: July 19, 2021

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Abstract

The manufacturing technique of the top coal caving in coal mining of the upper and lower gateway in the working face is mainly along the coal seam bottom plate excavation. On the basis of the tunneling equipment used in the comprehensive tunneling face, our mine has developed the supporting technology and equipment of temporary support for rapid tunneling of top coal, that is, temporary support for rapid tunneling of top coal. Its purpose is to expand the area of temporary roof support, to realize the timely support of the new exposed roof cut by the roadheader, facilitate the parallel operation of various processes, protect the safety of personnel and equipment in the working space, shorten the operation time of permanent support, improve the efficiency of tunneling support work, accelerate the tunneling face tunneling speed. In order to ensure the safety of the workers in the tunneling face, the temporary support for rapid tunneling of top coal manufactured by SolidWorks software is checked and analyzed, which proves that the newly developed temporary support for rapid tunneling of top coal is safe and reliable.
- tunneling working surface,
- temporary support,
- finite element analysis,
- roadway support,
- top coal

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