波形钢腹板梁界面滑移计算公式推导

doi:10.3969/j.issn.1674-0696.2014.03.05

重庆交通大学学报（自然科学版） ›› 2014, Vol. 33 ›› Issue (3): 18-21.DOI: 10.3969/j.issn.1674-0696.2014.03.05

波形钢腹板梁界面滑移计算公式推导

赵瀚坤，韩西，王玲

重庆交通大学土木建筑学院，重庆 400074

收稿日期:2012-01-21 修回日期:2013-01-28 出版日期:2014-06-15 发布日期:2015-01-22
作者简介:赵瀚玮(1990—)，男，重庆人，硕土研究生，主要从事桥梁结构动力学方面的研究。E-mail:wudizhw_O@126.com

Calculation of Interface Slip Distribution for Beam with Corrugated Steel Webs

Zhao Hanwei , Han Xi , Wang Ling

School of Civil Engineering & Architecture , Chongqing Jiaotong University , Chongqing 400074 , China

Received:2012-01-21 Revised:2013-01-28 Online:2014-06-15 Published:2015-01-22

摘要/Abstract

摘要： 为了解波形钢腹板箱梁的坚向抗弯性能，分析了波形钢腹板简支梁模型在各种基本荷载作用下的界面滑移状况。假定波形铜板不承受纵向轴力和坚向弯矩，把波形钢腹极梁截面划分为4个独立的理想、弹性体，建立了滑移微分方程;通过模拟实际的边界条件，推导出了组合梁模型在均布荷载、跨中集中荷载、两点对称加载作用下的界面滑移表达式，及滑移引起的简支梁附加由率表达式。以数学公式表达波形钢腹板梁的界面滑移，为波形钢腹板梁的承载力研究奠定了基础。

关键词: 桥梁工程, 波形钢腹板, 界面滑移, 抗弯性能, 附加曲率

Abstract: Theoretical analysis on interfacial slip of model beam with corrugated steel webs under various typical loads was conducted to know the anti-bending performance of the box girder with corrugated steel webs. Based on the assumption that the corrugated steel didn' t bear the longitudinal axis force and vertical bending moment , the cross-section of beam with corrugated steel webs were divided into four independently ideal elastomers , and the slip differential equations was established. By simulating the actual boundary conditions , the interface slip expression of composite beams model was deduced under the uniformly distributed load , inid-span concentrated load , and the two-point symmetrical load. The expression of additional curvature caused by slip distribution was also derived. The mathematical formula is used to express the interface slip of corrugated steel webs beam , which lays the foundation for the load studies of corrugated steel webs.

Key words: bridge engineering, corrugated steel webs, interface slip, bending performance, additional curvature

中图分类号:

U448.21+6

赵瀚玮，韩西，王玲. 波形钢腹板梁界面滑移计算公式推导[J]. 重庆交通大学学报（自然科学版）, 2014, 33(3): 18-21.

Zhao Hanwei , Han Xi , Wang Ling. Calculation of Interface Slip Distribution for Beam with Corrugated Steel Webs[J]. Journal of Chongqing Jiaotong University(Natural Science), 2014, 33(3): 18-21.

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波形钢腹板梁界面滑移计算公式推导

Calculation of Interface Slip Distribution for Beam with Corrugated Steel Webs

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