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High-Temperature Closure Control Technology of Concrete Arch Bridge Using Cable-Stayed Buckle and Cantilever Construction Method
The problem of high temperature closure of concrete arch bridge using cable-stayed buckle and cantilever method was resolved by pre-jacking force and counterweight in the arch rib closure port. The arch closure status effect of temperature difference was error array, the unit pre-jacking force and unit counterweight were impact parameter array. The impact matrix was the arch closure status effect of unit pre-jacking force or unit counterweight. The matrix equation was established on the error and the impact of parameters. Then, the pre-jacking force and additional counterweight value were solved by the least square method. Finally, the control method was verified by the calculation and analysis of Mupeng bridge. It was applied to achieve the closure of arch bridge using cable-stayed buckle and cantilever in any high temperature conditions.
High-Temperature Closure Control Technology of Concrete Arch Bridge Using Cable-Stayed Buckle and Cantilever Construction Method
The problem of high temperature closure of concrete arch bridge using cable-stayed buckle and cantilever method was resolved by pre-jacking force and counterweight in the arch rib closure port. The arch closure status effect of temperature difference was error array, the unit pre-jacking force and unit counterweight were impact parameter array. The impact matrix was the arch closure status effect of unit pre-jacking force or unit counterweight. The matrix equation was established on the error and the impact of parameters. Then, the pre-jacking force and additional counterweight value were solved by the least square method. Finally, the control method was verified by the calculation and analysis of Mupeng bridge. It was applied to achieve the closure of arch bridge using cable-stayed buckle and cantilever in any high temperature conditions.
High-Temperature Closure Control Technology of Concrete Arch Bridge Using Cable-Stayed Buckle and Cantilever Construction Method
Applied Mechanics and Materials ; 638-640 ; 1032-1037
2014-09-19
6 pages
Article (Journal)
Electronic Resource
English
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