| 岩巷掘进爆破对围岩稳定性影响的研究 |
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| 引用本文： | 袁前进. 岩巷掘进爆破对围岩稳定性影响的研究[J]. 煤矿开采, 2009, 14(3) |
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| 作者姓名： | 袁前进 |
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| 作者单位： | 淮北矿业集团公司,安徽,淮北,235001 |
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| 摘 要： | 利用围岩松动圈理论,计算了深井巷道的松动圈半径;建立了巷道掘进柱状装药爆破对围岩松动圈影响的力学模型,得出了围岩动态松动圈半径的计算公式,为深井巷道爆破掘进过程中巷道的支护设计提供了依据。
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| 关 键 词： | 岩巷掘进 松动圈 爆破载荷 震动 |
Influence of Blasting for Driving Rock Roadway on Stability of Surrounding Rock |
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| YUAN Qian-jin. Influence of Blasting for Driving Rock Roadway on Stability of Surrounding Rock[J]. Coal Mining Technology, 2009, 14(3) |
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| Authors: | YUAN Qian-jin |
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| Affiliation: | Huaibei Mining Group Corporation;Huaibei 235001;China |
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| Abstract: | Loose circle theory of surrounding rock applied,this paper calculated radius of loose circle of roadway in deep mine and set up mechanics model to show influence of blasting with column charging on loose circle of surrounding rock.Calculation formula for radius of loose circle was obtained.This paper provided base for roadway supporting in roadway driving with blasting in deep mine. |
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| Keywords: | driving rock roadway loose circle blasting loading shaking |
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