| PHC管桩-环形内支撑在深厚软土基坑支护中的应用 |
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| 引用本文： | 池永翔.PHC管桩-环形内支撑在深厚软土基坑支护中的应用[J].路基工程,2011,0(1):81-83,86. |
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| 作者姓名： | 池永翔 |
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| 作者单位： | 1.中国地质大学环境学院, 武汉 430074 |
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| 摘 要： | 深厚软土基坑支护是基坑工程的重点和难点。通过工程实例,介绍了PHC管桩-环形内支撑在软土基坑中的应用,探讨了PHC管桩在深厚软土基坑中应用的可行性,提出了PHC管桩选型时其弯矩值控制的原则。研究结果对类似的软土基坑支护工程有较大的借鉴和参考价值。
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| 关 键 词： | 基坑 PHC管桩 环形支撑 抗裂弯矩检验值 极限弯矩检验值 |
| 收稿时间： | 2019-11-10 |
Application of PHC Pipe Pile-Annular Inner Support in Deep Soft Foundation Pit Excavation |
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| Authors: | CHI Yong-xiang |
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| Institution: | CHI Yong-xiang(1.School of Environmental Studies,China University of Geosciences,Wuhan 430074,China,2.Fujian Geological Survey Institute,Fuzhou 350001,China) |
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| Abstract: | Deep soft foundation pit excavation is the key point and difficult point in foundation pit engineering.The application of PHC pipe pile combined with annular inner support is introduced in soft foundation pit through engineering examples.The feasibility of PHC pipe piles applied in deep soft foundation pit is discussed and the principle of bending moment control of PHC pile is advanced.The result has higher reference value for the similar foundation pit supporting engineering. |
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| Keywords: | foundation pit PHC pipe pile annular support crack-resistant moment value ultimate bending moment value |
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