孤岛工作面采空区围岩变形及其控制技术

2011 International Conference on Computer Distributed Control and Intelligent Environmental Monitoring Pub Date : 2011-04-11 DOI:10.1109/CDCIEM.2011.581

Zhao Wen-hua, Huang Xin-zhu, L. Shu

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引用次数: 0

摘要

基于上覆岩层体梁结构理论，分析孤岛工作面采空区巷道围岩变形机理，建立围岩变形控制原则。根据1251(3)潘安煤矿回采巷道工程地质条件，结合超前支承压力分布情况，确定了掘进过程中巷道支护方案和采前巷道分区超前加固方案。现场实践表明，支护方案对围岩稳定是可行的。

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Surrounding Rock Deformation and Its Controlling Technology Gob-side Entry at Isolated Island Coal Face

Based on voussoir beam structure theory of the overlying strata, deformation mechanism of surrounding rock of gob-side entry at isolated island coal face was analyzed, principles for deformation controlling of surrounding rock were established. According to engineering geological conditions in return airway of 1251(3)Pans an colliery, and distribution of advance abutment pressure, roadways supporting scheme during the tunneling and zoning advance reinforcement plans for roadways before mining. Field practice shows that supporting scheme is feasible for stability of surrounding rock.

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2011 International Conference on Computer Distributed Control and Intelligent Environmental Monitoring

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