| 大跨度张弦桁架滑移及预应力张拉施工技术分析 |
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| 引用本文： | 钱栋栋.大跨度张弦桁架滑移及预应力张拉施工技术分析[J].水运科技信息,2014(5):34-37. |
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| 作者姓名： | 钱栋栋 |
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| 作者单位： | 中铁六局集团桥隧分公司,北京100036 |
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| 摘 要： | 张弦桁架是近年来大跨度空间结构领域兴起的一种新的结构类型，以其结构受力合理，跨越能力大且建筑造型优美受到越来越多的关注。文中以北京北站改造工程站台无柱雨棚为例，根据现场条件和工期要求，介绍了大跨度张弦钢桁架滑移施工方法、预应力钢索张拉施工工艺过程中的几个问题与处理方法。
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| 关 键 词： | 大跨度空间结构 张弦桁架 滑移施工 预应力张拉方案 |
Analysis on the Slip-on and Pre-stressed Construction Technology about Large Span Truss-string Structure |
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| QianDongdong.Analysis on the Slip-on and Pre-stressed Construction Technology about Large Span Truss-string Structure[J].Transportation Science & Technology,2014(5):34-37. |
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| Authors: | QianDongdong |
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| Institution: | QianDongdong (China Railway Sixth Group Co . ,Ltd. , Bridge and Tunnel Company, Beijing 100036, China) |
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| Abstract: | Truss-string is a popular structure type in large span spatial structure field in recent years. It has received more and more concern because of the advantages of rational strength,large span ca-pacity,graceful shaping.This article taking the canopy without column platform at Beij ing north rail-way station renovation proj ect for example,based on the site condition and time requirement,some problems and methods for the slip-on,pre-stressed construction about large span truss-string struc-ture are introduced.It provides useful experiences and suggestions for construction. |
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| Keywords: | large span spatial structure truss-string slip-on pre-stressed construction |
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