| 脆性岩石三轴卸荷实验研究 |
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| 引用本文： | 刘志成.脆性岩石三轴卸荷实验研究[J].华北科技学院学报,2009,6(3):10-12. |
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| 作者姓名： | 刘志成 |
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| 作者单位： | 山西焦煤集团西山煤矿总公司,屯兰矿,山西,屯兰,030206 |
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| 摘 要： | 根据煤矿现场复杂高应力脆性围岩巷道顶板变形、破坏实际，对其岩石试样进行了卸荷破坏三轴实验，研究深部复杂高应力脆性破坏围岩的变形、破坏机理及其力学特性。实验研究结果表明，在深部复杂高应力环境下，中等稳定脆性围岩巷道顶板破坏属于卸荷不平衡力引起的变形破坏，必须采用围岩一支护体之间的刚度、强度、变形相互耦合支护技术，才能有效防止巷道顶板发生剪切、错动或断裂破坏。
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| 关 键 词： | 卸荷破坏 三轴实验 巷道支护 脆性岩体 |
Research on Mechanics Properties of the Brittle Rock with Triaxial Unloading Experiment |
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| LIU Zhicheng.Research on Mechanics Properties of the Brittle Rock with Triaxial Unloading Experiment[J].Journal of North China Institute of Science and Technology,2009,6(3):10-12. |
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| Authors: | LIU Zhicheng |
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| Institution: | TunLan Mine;ShanXi Coking Coal Group Co.;LTD;Taiyuan Shanxi 030026 |
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| Abstract: | On the basis of the situation brittle surrounding rock deformation and destroy,the rock's tri-axial unloading property being researched in this paper.By the experiment results,to investigate the road way's roof deformation,destroy and mechanics characteristic,so as to provide scientific,reasonable and approving accordings for the supporting design.It concluded that the deformation and destroy of mid-stable,brittle surrounding rock are due to the unloading imbalance stress in the deep complex,large stress co... |
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| Keywords: | Unloading destroy Tri-axial experiment Roadway support Brittle rock1 |
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