2009, Volume 11, Issue 3
Strategic Study of CAE >> 2009, Volume 11, Issue 3
Assistant pullback technology for main span closure of Sutong Bridge
1. CCCC-Second Habour Engineering Company Limited, Wuhan 430014, China;
2. Key Lab of Large-span Bridge Construction Technology, Ministry of Communications, PRC, Wuhan 430071, China
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Abstract
By abstracting the advantage of the pullback method abroad and the deomestric temperature-cutting method, a new assistant pullback method is put forward and brought into practice actually. In this paper, the analysis key point of practice conditions, key parameter of practice, main measures of the method and the performance are introduced.
Keywords
Sutong Bridge ; assistant pullback ; middle span closure ; geometric control method ; construction technology
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