| 深井围岩破坏机理与稳定性分析 |
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| 引用本文： | 徐营,张子新,蒋金泉.深井围岩破坏机理与稳定性分析[J].地下空间与工程学报,2007,3(Z1):1212-1215. |
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| 作者姓名： | 徐营 张子新 蒋金泉 |
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| 作者单位： | 1. 同济大学地下建筑系,上海,200092
2. 山东科技大学,泰安,271019 |
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| 摘 要： | 针对深部工程岩体在开采过程所表现出的非线性和动态演化力学行为,从岩石局部化变形机理和分岔行为角度出发,对深部工程岩体在开挖卸荷环境下的破坏机理进行初步探讨,有效的解释了深部工程岩体非线性力学破坏现象.并利用能量方法对深井围岩失稳机理进行了分析,为定性和定量地分析深井围岩系统的稳定性提供理论依据.
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| 关 键 词： | 局部化 分岔 卸荷 失稳 |
| 文章编号： | 1673-0836(2007)07-1212-04 |
| 修稿时间： | 2007年8月10日 |
Failure Mechanism and Instability Analysis of Surrounding Rock in Deep Mine |
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| XU Ying,ZHANG Zi-xin,JIANG Jin-quan.Failure Mechanism and Instability Analysis of Surrounding Rock in Deep Mine[J].Chinese Journal of Underground Space and Engineering,2007,3(Z1):1212-1215. |
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| Authors: | XU Ying ZHANG Zi-xin JIANG Jin-quan |
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| Abstract: | Aimed to make clear the nonlinear and dynamic evolvement mechanial behavior of deep rock in min- ing process,the failure mechanism of deep engineering rock in excavation and unloading conditions is discussed based on localization deformation mechanism and bifurcation behavior of the rock.The phenomena of nonlinear mechanical failure can be explained effectively by the research.Instability mechanism of deep mine surrounding rock is analyzed using the energy method.This method provides theory basis for judging the stability of deep mine surrounding rock qualitatively and quantitatively. |
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| Keywords: | localization bifurcation unload instability |
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