| 浅埋暗挖隧道管棚支护机理力学分析 |
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| 引用本文： | 周智勇,陈建宏,赵建平.浅埋暗挖隧道管棚支护机理力学分析[J].科技导报(北京),2009,27(5). |
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| 作者姓名： | 周智勇 陈建宏 赵建平 |
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| 作者单位： | 中南大学资源与安全工程学院,长沙,410083
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| 基金项目： | 国家自然科学基金，教育部全国优秀博士学位论文作者专项基金 |
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| 摘 要： | 根据土与基础的相互作用理论,建立了基于双参数模型的管棚支护结构与围岩相互作用模型.采用解析法解得管棚结构的扰度方程、转角、弯矩方程及地基反力方程.分析在工况转换过程中,尤其是开挖应力释放阶段.管棚支护体系的受力转换及其工作特征,实现了管棚法的量化计算.将理论应用于实际工程,计算出某隧道在管棚支护下的扰度曲线、地基反力,同时将管棚结构扰度计算结果与实际测试进行比较,验证了计算结果的正确性.
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| 关 键 词： | 隧道工程 浅埋暗挖法 管棚 双参数模型 加固机理 |
Mechanical Analysis of Support Mechanism of Shed-Pipe Grouting Technology for Tunneling Construction in Shallow-Buried Soft Stratum |
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| ZHOU Zhiyong,CHEN Jianhong,ZHAO Jianping School of Resources , Safety Engineering,Central South University,Changsha ,China.Mechanical Analysis of Support Mechanism of Shed-Pipe Grouting Technology for Tunneling Construction in Shallow-Buried Soft Stratum[J].Science & Technology Review,2009,27(5). |
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| Authors: | ZHOU Zhiyong CHEN Jianhong ZHAO Jianping School of Resources Safety Engineering Central South University Changsha China |
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| Institution: | ZHOU Zhiyong,CHEN Jianhong,ZHAO Jianping School of Resources , Safety Engineering,Central South University,Changsha 410083,China |
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| Abstract: | According to the principle of soil-foundation interaction,an interaction model is built based on the double-parameter model between the pipe roof structure and the surrounding rock.The deformation,the rotating angle,the bending moment and the foundation support are derived from the model.The strength of pipe roof system is analyzed with the tunnel being excavated,especially during the stress release stage of the tunnel.From the model,the key parameters,such as the deformation curve,the contact pressure of t... |
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| Keywords: | tunneling engineering shallow-buried excavation pipe roof double-parameter model support mechanism |
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