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Inicio  /  Buildings  /  Vol: 13 Par: 7 (2023)  /  Artículo
ARTÍCULO
TITULO

Research on the Rationality of Setting the Transverse Ribs of Large Cantilever Segmental Prefabricated Box Girders

Jintao Shi and Zhijiang Chen    

Resumen

This article develops three transverse rib setting schemes for a 20 m wide cantilever segmental box girder of a particular engineering bridge deck, analyzes the stress rules under loads such as dead load, live load, and temperature, and studies the lateral deformation characteristics of the three schemes under symmetrical and eccentric live load arrangements on the bridge deck. Research has shown that setting transverse ribs can significantly improve the transverse stress, crack resistance, and reduce vertical deformation of the cross-section. However, its effect gradually weakens with the increase in the number of transverse ribs. Considering the convenience and simplicity of construction, installing a transverse rib structure for the large cantilever section box girder in this project is recommended.

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INFRAESTRUCTURA

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