Distortion analysis of horizontally curved trapezoidal box girder bridges

被引：4

作者：

Campo-Rumoroso, Ivan ^{[1
]}

Ramos-Gutierrez, Oscar Ramon ^{[1
]}

Cambronero-Barrientos, Francisco ^{[2
]}

机构：

[1] Univ Cantabria, Dept Struct & Mech Engn, Ave Castros S-N, Santander 39005, Spain

[2] Univ Burgos, Dept Civil Engn, C Villadiego S-N, Burgos 09001, Spain

来源：

ENGINEERING STRUCTURES | 2023年 / 282卷

关键词：

Curved box girder bridge; Distortion; Cross-frames; Warping; BEAMS;

D O I：

10.1016/j.engstruct.2023.115798

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Composite box girder bridges may be a competitive solution under certain constraints due to their efficiency and torsional capacity. However, the cross section deflects transversally, creating longitudinal stresses which reduce the capacity of the section. Those stresses may be controlled using cross-frames, but the detailing of those elements may become expensive. The procedure described herein provides a useful tool for an efficient design of cross frames based on the well-known BEF theory. It may be implemented using a commercial software and the formulation provided increases the accuracy of the existing one.

引用

页数：9

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