| 拉力分散型预应力锚索在双流机场明挖隧道深基坑工程中的应用 |
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| 引用本文： | 罗国光.拉力分散型预应力锚索在双流机场明挖隧道深基坑工程中的应用[J].路基工程,2012,0(2):159-162. |
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| 作者姓名： | 罗国光 |
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| 作者单位： | 中铁二局股份有限公司，成都 610032 |
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| 摘 要： | 预应力锚索广泛应用于软岩、土体边坡加固及明挖隧道支撑体系等工程中。以成绵乐铁路客运专线双流机场隧道大跨段锚索支撑体系工程为依托，分析了拉力分散型预应力锚索在明挖隧道深基坑支撑体系中的受力特点及工作原理，以及新型锚索应用的施工技术要点和施工工艺。
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| 关 键 词： | 深基坑 分散型预应力锚索 工作原理 施工工艺 |
| 收稿时间： | 2019-11-09 |
Application of Dispersion Type Prestressed Anchor Cable in the Project of Deep Foundation Pit of Open-excavated Tunnel in Shuangliu Airport |
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| Authors: | LUO Guo-guang |
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| Institution: | LUO Guo-guang ( China Railway No. 2 Engineering Group Co. , Ltd. , Chengdu 610032, China) |
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| Abstract: | The prestressed anchor cable is widely used in the projects of soft rock, soil slope reinforcement and open-excavated tunnel support system. Depending on the cable support system project for large span of Shuangliu Airport Tunnel in Chengdu-Mianyang-Leshan Passenger Dedicated Railway, the forcing characteristics and working principle of dispersion type prestressed anchor cable in the support system for deep foundation pit of open-excavated tunnel is analyzed; and the technical essentials and process for construction of new cable is analyzed as well. |
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| Keywords: | deep foundation pit dispersion type prestressed anchor cable working principle construction process |
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