| 高应力软岩开拓巷道底鼓分析及对策研究 |
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| 引用本文： | 李怀珍,张盛,陈涌泉. 高应力软岩开拓巷道底鼓分析及对策研究[J]. 矿业研究与开发, 2009, 29(4): 34-35,81 |
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| 作者姓名： | 李怀珍 张盛 陈涌泉 |
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| 作者单位： | 河南理工大学,能源学院,河南,焦作市,454000;河南省煤监局,河南,郑州,450003 |
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| 基金项目： | 河南省基础与前沿技术研究计划资助项目(072300440100) |
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| 摘 要： | 对赵固一矿开拓巷道底鼓机理进行了分析,确认巷道底鼓属于挤压流动性底鼓。采用高强度锚网索一次支护与长环形全封闭支架二次支护方式对底鼓巷道治理2个月后,巷道顶底板和两帮位移量都小于30 mm,巷道首次修复周期由2~3个月延长到10个月以上,保证了矿井生产的正常进行。
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| 关 键 词： | 开拓巷道 底鼓 高应力 软岩 支护 |
Research on Causes and Control Measures of Floor Heave of Development Roadway with High Stress in Soft Rock |
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| Li Huaizhen,Zhang Sheng and Chen Yongquan. Research on Causes and Control Measures of Floor Heave of Development Roadway with High Stress in Soft Rock[J]. Mining Research and Development, 2009, 29(4): 34-35,81 |
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| Authors: | Li Huaizhen Zhang Sheng Chen Yongquan |
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| Affiliation: | 1.School of Energy Science and Engineering of Henan polytechnic University;Jiaozuo;Henan;454000;China;2.Henan Administration of Coal Mine Safety;Zhengzhou;Henan 45003;China |
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| Abstract: | The floor heave mechanism of development roadway in Zhaogu No.1 Mine was analyzed,and the floor heave was considered as an extruding and flowing type.After two months of supporting in which high-strength anchor,steel network and cable was used for first supporting and a full-length closed ring support used for second supporting,in the development roadway the displacement at roof,floor and two sides was less than 30 mm,and the time of first repair was extended from 2 to 3 months to 10 months and above,so the... |
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| Keywords: | Development roadway Floor heave High stress Soft rock Supporting |
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