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Min Pu Bridge Construction Technology of Steel

Author: WangLiFeng
Tutor: GuLiQiang；ShenChangYi
School: Shanghai Jiaotong University
Course: Mechanical Engineering
Keywords: I welding procedure qualification Residual stress Pre-assembly Lifting
CLC: U445.4
Type: Master's thesis
Year: 2011
Downloads: 63
Quote: 0
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Abstract


Since the 1990s , the cause of bridge construction in China is experiencing a glorious period of development , the establishment of a large number of novel structure , technical complexity , design and construction difficult with modern taste and high-tech large - span steel structure Kuajiang cross sea ??bridge . Min Pu Bridge is the the World Span largest of the twin towers and double cable planes double highway cable-stayed bridge , the side span and main span are basically steel structure , the difficulty of making large to belong to a world-class bridge construction technology to the same type of steel bridge construction at home and abroad to provide to learn important reference significance . Firstly, by Min Pu Bridge steel construction technology generally brief , and then proceed to the Optional re- analysis of the welding process, the factory's main construction technology and on-site lifting technology . In the welding process , carried out more than 40 kinds of welding procedure test , a set of full coverage of the welding procedure qualification , and research methods to eliminate the welding residual stress . Pre-assembly process , the main research ship tire rack technology and segmented total group and applied to the construction process of the bridge , the construction of the pre-assembly method to solve the excessive overhead welding factory space is limited in the construction process , shorten the construction cycle . In the the field lifting process , with a floating crane erection method , walking hanging rack managed to cantilever erection of the law and the drag slip combined construction , finite element analysis of the chute and the bracket using the MIDAS software , and use lifting technology . The research for this article , Min Pu Bridge last successfully completed and opened to traffic played an important role .

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CLC: > Transportation > Road transport > Bridges and Culverts > Bridge Construction > Construction Technology
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