2014•Coal TechnologyRequires access

Research on Selection of Hydraulic Support and Working Resistance in Large Inclined Coal Seam Caving Mining

Liu Xian

Abstract

Taking 5#coal seam fully mechanized caving working face of Mengjiayao Coal Mine in Ningwu Shanxi Province as an example and based on theory of interaction between support and surrounding rock, determined the hydraulic support working resistance in large inclined thick coal seam caving working face through the numerical simulation method. The results show that: when the supporting strength greater than 0.95 MPa, support resistance to 6 400 kN, hydraulic support have the better effect about protective the surrounding rock and top plate,and through the itndustrial test verified the correctness of numerical simulation, the results play a role in the selection of hydraulic support in large inclined thick coal seam caving working face

About this research paper

What this paper is about

Why it matters

A significance statement is not available in the OpenAlex record.

Key contribution

A contribution statement is not available in the OpenAlex record.

Method / approach

Method details are not available in the OpenAlex metadata.

Main findings

Findings are not separately available in the OpenAlex metadata.

Limitations

Limitations are not available in the OpenAlex metadata.

Applications

Application details are not available in the OpenAlex metadata.

Available abstract

Key concepts: Coal, Coal mining, Mining engineering, Geotechnical engineering, Face (sociological concept), Engineering, Computer simulation, Selection (genetic algorithm)