波纹钢腹板斜拉桥剪力滞效应空间网格分析方法

doi:10.13229/j.cnki.jdxbgxb201705017

吉林大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (5): 1453-1464.doi: 10.13229/j.cnki.jdxbgxb201705017

波纹钢腹板斜拉桥剪力滞效应空间网格分析方法

尼颖升¹, 马晔¹, 徐栋², 李金凯³

1.交通运输部公路科学研究院,北京100088;
2.同济大学桥梁工程系,上海 200092;
3.中铁工程设计咨询集团有限公司,北京 100055

收稿日期:2016-05-06 出版日期:2017-09-20 发布日期:2017-09-20
作者简介:尼颖升(1984-),男,助理研究员,博士研究生.研究方向:桥梁加固及波形钢腹板组合结构.E-mail:ys.ni@rioh.cn
基金资助:
国家自然科学基金项目(51078079)

Space mesh analysis method for shear lag effect of cable-stayed bridge with corrugated steel webs

NI Ying-sheng¹, MA Ye¹, XU Dong², LI Jin-kai³

1.Research Institute of Highway of Ministry of Transport,Beijing 100088, China;
2.Department of Bridge Engineering,Tongji University,Shanghai 200092,China;
3.China Railway Engineering Design Consulting Group Co.,Ltd., Beijing 100055, China

Received:2016-05-06 Online:2017-09-20 Published:2017-09-20

摘要/Abstract

摘要： 将一种新的空间网格分析方法应用于六塔斜拉桥剪力滞效应分析中。详述了空间网格分析方法的原理及在波形钢腹板组合梁斜拉桥的建模参数,分析了边、中跨关键截面的剪力滞系数沿横向和纵向的分布规律,为同类型工程提供参考。实验验证了空间网格分析方法的有效性和准确性,为桥梁的精细化设计提供新的思路和方向。

关键词: 道路工程, 剪力滞系数, 斜拉桥, 空间网格分析方法, 波形钢腹板, 组合梁桥

Abstract: A novel spatial grid model is proposed and applied to analyze the shear lag effect of six tower cable-stayed bridge. The theoretical principle of the proposed spatial grid model is elaborated along with the relevant illustrations of the modeling parameters of the composite box girder with corrugated steel webs. Then, the typical transverse and longitudinal shear lag coefficient distribution patterns at the key cross sections of side-span and mid-span are analyzed to provide reference for simple bridges. The effectiveness and accuracy of the proposed spatial grid analysis method is validated through cable-stayed bridge.

Key words: road engineering, shear lag coefficient, cable-stayed bridge, space mesh analysis method, corrugated steel webs, composite beam bridge

中图分类号:

TU318

尼颖升, 马晔, 徐栋, 李金凯. 波纹钢腹板斜拉桥剪力滞效应空间网格分析方法[J]. 吉林大学学报(工学版), 2017, 47(5): 1453-1464.

NI Ying-sheng, MA Ye, XU Dong, LI Jin-kai. Space mesh analysis method for shear lag effect of cable-stayed bridge with corrugated steel webs[J]. 吉林大学学报(工学版), 2017, 47(5): 1453-1464.

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波纹钢腹板斜拉桥剪力滞效应空间网格分析方法

Space mesh analysis method for shear lag effect of cable-stayed bridge with corrugated steel webs

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