In order to solve the problem of excessive internal formwork deflection affecting the overall safety and stability of the structure in the current construction of high-speed railway prefabricated box gird-ers,a study was conducted on the internal formwork of a certain high-speed railway construction project.A new design concept is proposed through the overall design of the internal mold for high-speed railway pre-fabricated box girders,the design and synchronization of the internal mold hydraulic system,and the selection of key hydraulic components.Through example verification,the reasonable application of the new design con-cept can effectively control the internal mold deflection,improve the overall safety and stability of the struc-ture.
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