| 天津市地道桥工程基坑支护技术应用与发展趋势 |
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| 引用本文： | 骆春雨,胡江,曹景,孙东利.天津市地道桥工程基坑支护技术应用与发展趋势[J].城市道桥与防洪,2012(4):154-157. |
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| 作者姓名： | 骆春雨 胡江 曹景 孙东利 |
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| 作者单位： | 天津市市政工程设计研究院,天津市,300051 |
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| 摘 要： | 地道桥工程在基坑开挖过程中选择经济合理的支护方式对于工程的成功建设具有重要的意义。结合天津市的地质特点,将目前主要的基坑支护形式特点及对天津地质的适应性进行综合分析和论述,着重阐述发展前景广泛的SMW工法及预应力鱼腹梁钢支撑支护体系的设计要点,提出了根据不同的开挖深度优先选择的支护形式。
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| 关 键 词： | 地道桥 基坑支护 钻孔灌注桩 SMW工法 预应力鱼腹梁钢支撑 天津市 |
Application and Development Trend of Foundation Pit Supporting Technology in Subway Bridge Project in Tianjin |
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| Luo Chunyu,Hu Jiang,Cao Jing,Sun Dongli.Application and Development Trend of Foundation Pit Supporting Technology in Subway Bridge Project in Tianjin[J].Urban Roads Bridges & Flood Control,2012(4):154-157. |
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| Authors: | Luo Chunyu Hu Jiang Cao Jing Sun Dongli |
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| Institution: | Luo Chunyu,Hu Jiang,Cao Jing,Sun Dongli |
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| Abstract: | The selection of economic and reasonable supporting mode in the course of pit excavation is the important meaning for the successful construction of the subway bridge project.Based on the geological characteristic of Tianjin,the article comprehensively analyzes and discusses the main characteristics of pit supporting type and its applicability for the geology of Tianjin,focuses setting forth on the wide development prospect of SMW process and the design gist of prestressed fish-bellied steel supporting system,and puts forward the priority selection of supporting type according to the different excavation depths. |
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| Keywords: | subway bridge pit supporting cast-in-situ pile SMW process prestressed fish-bellied steel supporting Tianjin City |
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