Study on Incremental Launching Technology for Steel Box Composite Girder Bridges across Low-Water-Level Waters
Zhongsha extra-large Bridge located at Zhongshan East Road of Shantou City is selected to study the applicability of incremental launching technique for steel box composite girder bridge across low-water-level waters,and optimize the plan of incremental launching construction of channel-section steel girder,and fully analyze the technology under the condition of low water level.Midas Civil is used to simulate the above construction process,determine the construction position under the most unfavorable working condition,and inspect such parameters as the stress and deformation acting on key sections of the structure.The research results show that the optimized construction plan is applicable,and the indexes related to steel box composite girder meet the specification requirements.The successful application of the plan in low water level waters will provide a reference for similar construction.
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