在役公路桥梁评估方法研究现状

 张亚军1,高香龙2

1. 西安公路研究院,陕西 西安  7100652. 陕西省交通建设集团公司,陕西 西安  710075

  随着我国越来越多的公路桥梁由于使用、超载、环境作用以及功能退化等人为或自然因素导致结构耐久性降低,本文综述了在役公路桥梁评估方法研究现状,并提出了各评估方法存在的问题和研究展望。因此,开展在役桥梁结构的安全可靠性评估工作,对准确评估桥梁的实际承载能力,提高我国桥梁结构的评估水平、减少桥梁的加固和维修费用、延长桥梁的使用寿命,具有显著的经济和社会效益。

关键词公路桥梁评估方法可靠度

中图分类号:U446          文献标识码:A

Present Situation of the Research on

Evaluating Methods on Bridge in Active Service

ZHANG Ya-jun 1GAO Xiang-long2

1. Xi‘an Highway Research InstituteXi‘an 710065China

2. Shaanxi Province Transportation Construction Group co.LTD.Xi‘an 710075China

AbstractMore and more roads and bridges have decreasing structural durability due to the human or natural factors such as the usageoverloadinginfluence of the environment and function degeneration. In view of these casesthis document reviewsfrom four aspectsthe present situation of the research about the evaluating on a road and bridge in active serviceand sets forth the issues of the various valuating methods and the prospect of the study. Thereforesignificantly economic and social benefits may be produced for the following worksthe evaluating on the safety and reliability of bridges in active servicethe accurate evaluating on the actual load carrying capacity of the bridgesthe improving of the domestic evaluating level on the structures of the bridgesthe decreasing of the costs for strengthening and maintaining the bridgesand lengthening the lifespan of the bridges.

Keywordroad and bridgeevaluating methodreliability