| 长春伊通河大桥总体设计、试验及施工关键技术 |
| |
| 引用本文： | 陈彦江,李勇,任晓强,顾大鹏. 长春伊通河大桥总体设计、试验及施工关键技术[J]. 桥梁建设, 2011, 0(1) |
| |
| 作者姓名： | 陈彦江 李勇 任晓强 顾大鹏 |
| |
| 作者单位： | 1. 北京工业大学工程抗震与结构诊治北京市重点实验室,北京,100124
2. 长春市市政工程设计研究院,吉林,长春,130033 |
| |
| 摘 要： | 长春伊通河大桥主桥为三跨飞燕式钢管混凝土异型拱桥。该桥拱肋由主拱肋、稳定拱肋及斜撑和横撑构成;V腿采用预应力混凝土单箱双室箱形结构;边跨加劲梁采用预应力混凝土梁,与V腿及主拱拱脚段固结,主跨加劲梁采用钢箱梁,简支在拱脚处牛腿上;主拱共设16对斜吊杆,全桥共设6根水平系杆。根据相似理论进行大尺寸钢管混凝土柱承载力试验、全桥缩尺模型静力试验及模拟地震振动台试验,并总结该桥施工过程中的关键技术和控制要素。试验结果表明该桥主拱肋强度安全系数较高,其整体静力性能和抗震性能均满足规范要求。
|
| 关 键 词： | 异型拱桥 钢管混凝土结构 结构设计 模型试验 施工方法 |
Overall Design, Model Tests and Key Construction Techniques of Changchun Yitong River Bridge |
| |
| CHEN Yan-jiang,LI Yong,REN Xiao-qiang,GU Da-peng. Overall Design, Model Tests and Key Construction Techniques of Changchun Yitong River Bridge[J]. Bridge Construction, 2011, 0(1) |
| |
| Authors: | CHEN Yan-jiang LI Yong REN Xiao-qiang GU Da-peng |
| |
| Affiliation: | CHEN Yan-jiang1,LI Yong1,REN Xiao-qiang2,GU Da-peng1(1.Key Laboratory of Engineering Earthquake Resistance and Structural Retrofitting of BeijingCity,Beijing University of Technology,Beijing 100124,China,2.Changchun MunicipalEngineering Design and Research Institute,Changchun 130033,China) |
| |
| Abstract: | The main bridge of Changchun Yitong River Bridge is a three-span flying bird type irregular shape concrete-filled steel tube(CFST) arch bridge.The arches of the bridge are composed of the main arch ribs,stability arch ribs,diagonal bracings and lateral bracings.The V-shape legs are of prestressed concrete(PC) two-cell and single-box structure.The main girder for the side spans is the PC girder that is rigidly fixed with the V-shape legs and the springs of the main arches.The main girder for the main span is... |
| |
| Keywords: | irregular shape arch bridge concrete-filled steel tube structure structural design model test construction method |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
