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《Journal of Zhejiang University(Engineering Science)》 2007-01
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Frequent short steps saddle pushing principle in suspension bridge construction

HE Wei,XIANG Yi-qiang,XU Xing(Traffic Engineering Institute,Zhejiang University,Hangzhou 310027,China)  
Aimed at saddle pushing scheme in suspension bridge construction,took the Yichang Changjiang Highway Bridge taken as an example,and based on a 3D finite element model of suspension bridge,analysis of tower stress during beam constructing period was constructed.Tower stresses in three different saddle pushing schemes(saddle pushing,saddle free-slipping,saddle fixed) were compared.The frequent short steps saddle pushing principle presented,means that saddle pushing was frequent and that the space of each pushing was short.In contrast the calculating result showed that frequent short steps saddle pushing scheme made tower stress more close to perfect state and that it is beneficial to safety of the structure.
【CateGory Index】: U443.38
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【References】
Chinese Journal Full-text Database 2 Hits
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1 TANG Guobin;XIANG Yiqiang;Department of Civil Engineering,Zhejiang University;Henan Transportation Research Institute Co.,LTD;Cyrus Tang Center for Sensor Materials and Applications,Zhejiang University;;Mechanical properties and numerical simulation of crack interface in reinforced concrete[J];水利学报;2015-01
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3 XUE Peng-fei,WANG Jin-feng,XIANG Yi-qiang (College of Civil Engineering and Architecture,Zhejiang University,Hangzhou 310027,China);SIMULATION FOR CONSTRUCTION PROCESS OF P.C. CONTINUOUS RIGID FRAME BRIDGE[J];工程力学;2010-03
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1 SUN Sheng-jiang1,JIANG Jun2(1.Key Laboratory for Bridge and Tunnel of Shanxi Province,Chang'an University,Xi'an 710064,China;2.College of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,China);Analysis of Tower's Allowable Displacemen and Main Saddle's Pushing of Suspension Bridge[J];公路;2007-10
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