Key Construction Techniques for Cable Hoisting of Long-Span Steel Pipe Concrete Arch Bridge

Author:

Yang Yan

Abstract

AbstractLarge span steel tube concrete arch bridges with the characteristics of high construction risk and high technical difficulty are usually constructed by cable hoisting technology. In this parper, the self-balance of the load-bearing main cable and optimized scheme for the main tower and anchor were proposed by conducting an iterative theoretical design calculation on the main cable. The design and key technology of the cable lifting system for large-span concretes filled steel tube arch bridge were investigated. Moreover, the “inverted loading method” was used for simulation analysis, which provides a scientific basis for the construction stage. The engineering practice results show that the optimization and innovation of the cable hoisting system can greatly improve design efficiency, enhance the safety of the cable system, and obtain good economic value.

Publisher

Springer Nature Singapore

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