| 岩柱应力分布规律及其稳定性分析 |
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| 引用本文： | 周晓明,刘长武,王东,曹磊,杜新亮.岩柱应力分布规律及其稳定性分析[J].铜业工程,2011(3):1-6. |
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| 作者姓名： | 周晓明 刘长武 王东 曹磊 杜新亮 |
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| 作者单位： | 水力学与山区河流开发保护国家重点实验室，四川成都，610065;四川大学水利水电学院，四川成都，610065 |
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| 基金项目： | 国家自然科学基金资助项目(项目批准号:50879049；50574064)；国家重点基础研究发展计划(973计) |
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| 摘 要： | 作为地下洞室群重要的支撑结构,岩柱在采矿工程、水电工程、公路铁路隧道工程等诸多领域都有着广泛地应用。在系统总结岩柱荷载和岩柱强度前人研究方法和研究成果的基础上,对工程实践常用的条形和矩形岩柱上的应力分布规律及其影响因素、岩柱宽度对岩柱应力重新分布规和岩柱荷载的影响进行了系统分析,分析了岩柱渐进式破坏的力学机制,为岩柱设计和岩柱失稳破坏分析提供了参考依据。
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| 关 键 词： | 支撑结构 岩柱强度 岩柱荷载 渐进式破坏 稳定性分析 |
Distribution and Stability Analysis of Rock pillar Stress |
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| ZHOU Xiao - ming,LIU Chang - wu,WANG Dong,CAO Lei,DU Xin - liang.Distribution and Stability Analysis of Rock pillar Stress[J].Copper Engineering,2011(3):1-6. |
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| Authors: | ZHOU Xiao - ming LIU Chang - wu WANG Dong CAO Lei DU Xin - liang |
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| Affiliation: | ZHOU Xiao-ming1,2,LIU Chang-wu1,WANG Dong1,CAO Lei1,DU Xin-liang1,2(1.State Laboratory of Hydraulics and Mountain River Engineering,Chengdu,Sichuan,China 610065,2.College of WaterResource & Hydropower,Sichuan University,China 610065) |
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| Abstract: | As one of the key underground chambers' supporting structure,rock pillar is widely used in mining engineering,hydropower project,road and rail tunnels and many other areas.Base on reported research methods and results of rock pillar stress and strength,through analyse of distribution rule and influencing factors of the bar-type and rectangle rock pillar used in engineering project,and the effect of different rock pillar width on pillar stress re-distribution rule and pillar load,the mechanism of rock stress... |
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| Keywords: | supporting structure rock pillar strength rock pillar load progressive failure stability analysis |
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