吉林大学学报(工学版) ›› 2018, Vol. 48 ›› Issue (1): 105-112.doi: 10.13229/j.cnki.jdxbgxb20161304

• 论文 • 上一篇    下一篇

考虑桥面铺装作用的简支梁桥横向分布系数计算

魏志刚1, 2, 刘寒冰1, 时成林1, 3, 宫亚峰1   

  1. 1.吉林大学 交通学院,长春 130022;
    2.吉林省高等级公路建设局,长春 130033;
    3.吉林省交通科学研究所 科研开发中心,长春 130012
  • 收稿日期:2016-10-10 出版日期:2018-02-26 发布日期:2018-02-26
  • 通讯作者: 宫亚峰(1977-),男,副教授,博士. 研究方向:路桥健康监测与灾害治理. E-mail: gongyf@jlu.edu.cn
  • 作者简介:魏志刚(1977-),男,高级工程师,博士研究生. 研究方向:桥梁检测与加固.E-mail:wzg770718@163.com
  • 基金资助:
    国家自然科学基金项目(51478203, 51378236); 中央高校基本科研业务费专项资金项目

Calculation of transverse distribution coefficient of simply supported beam bridge with effect of bridge deck pavement

WEI Zhi-gang1, 2, LIU Han-bing1, SHI Cheng-lin1, 3, GONG Ya-feng1   

  1. 1.College of Transportation,Jilin University,Changchun 130022, China;
    2.Jilin Provincial High Class Highway Construction Bureau,Changchun 130033,China;
    3.Scientific Research and Development Center,Jilin Provincial Transport Scientific Research Institute,Changchun 130012,China
  • Received:2016-10-10 Online:2018-02-26 Published:2018-02-26

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摘要： 为了准确计算考虑桥面铺装参与受力的简支梁桥横向分布系数,基于刚接梁法的基本原理,考虑了混凝土桥面铺装与主梁间存在的剪切滑移效应,采用结构力学中的基本方法提出了一种考虑桥面铺装的简支梁桥荷载横向分布系数计算方法,本文称之为修正刚接梁法。采用本文方法计算了一座实际简支T梁桥的横向分布系数,并以此计算了车辆荷载作用下各主梁的挠度和铺装层应变等静力响应,并与试验结果进行了对比分析。结果表明,计算出的静力响应与实测静力响应吻合度很高,充分说明了本文方法的准确性和可靠性。

关键词: 桥梁工程, 桥面铺装, 横向分布系数, 剪切滑移, 修正刚接梁法

Abstract: In order to accurately calculate the transverse distribution coefficient of simply supported beam bridge considering the effect of bridge deck pavement, based on the idea of rigid-jointed beam, a new method for calculating the transverse distribution coefficient was proposed, using the methods in structural mechanics. This method is referred as the modified rigid-jointed beam method, in which the effect of shear slip between concrete bridge deck pavement and the main girder was considered. The transverse distribution coefficient of an actual simply supported T-shaped beam bridge was calculated using the proposed method, the deflection of each main girder and the static response such as the strain of the bridge deck pavement under vehicle load were obtained and compared with experimental results. It is shown that the calculated static response is in good agreement with the measured one, which verifies the accuracy and reliability of proposed modified rigid-jointed beam method.

Key words: bridge engineering, bridge deck pavement, transverse distribution coefficient, shear slip, modified rigid-jointed beam method

中图分类号: 

  • TU311.1
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