Typical Diseases and Maintenance Strategies for Steel Girder of Large-Span Suspension Bridge

doi:10.3969/j.issn.1674－0696.2012.supp.1.39

Journal of Chongqing Jiaotong University(Natural Science) ›› 2012, Vol. 31 ›› Issue (增1): 700-703.DOI: 10.3969/j.issn.1674－0696.2012.supp.1.39

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Typical Diseases and Maintenance Strategies for Steel Girder of Large-Span Suspension Bridge

Zeng Yong ¹，²，Xiang Zhongfu ¹，²，Yu Fu³，Jiang Xueliang ⁴，Shen Xinhui ⁵，Li Xianyang⁶

1. College of Civil ＆ Architectural Engineering，Chongqing Jiaotong University，Chongqing，400074，China; 2. State Key Laboratory Breeding Base of Mountain Bridge ＆ Tunnel Engineering，Chongqing 400074，China; 3. No. 2 Engineering Co. Ltd. of CCCC First Harbor Engineering Co. ，Ltd. ，Qingdao，266071，Shandong，China; 4. CCCC First Highway Consultants Co. Ltd. ，Xi’an 100044，Shaangxi，China; 5. Yunnan Chuxiong Highway ＆ Bridge Engineering General Co. ，Chuxiong，675000，Yunnan，China; 6. CCCC Second Harbour Engineering Co. ，Ltd. ，Wuhan 430040，Hubei，China

Received:2012-03-04 Revised:2012-04-08 Online:2012-07-15 Published:2015-03-12

大跨度悬索桥钢加劲梁典型病害及维修策略

曾勇¹，²，向中富¹，²，于福^³，姜学良^⁴，沈新慧^⁵，李贤仰^⁶

1. 重庆交通大学土木建筑学院，中国重庆400074; 2. 重庆市山区桥梁与隧道工程重点实验室( 省部共建国家重点实验室培育基地) ，中国重庆400074; 3. 中交一航局第二工程有限公司，中国山东青岛266071; 4. 中交第一公路勘察设计研究院有限公司，中国陕西西安100044; 5. 云南省楚雄公路管理总段路桥公司，中国云南楚雄675000; 6. 中交第二航务工程局有限公司，中国湖北武汉430040

作者简介:曾勇(1980 — )，男，重庆人，讲师，博士，主要从事桥梁养护管理方面的研究。E-mail:zycquc@126.com。
基金资助:
重庆市教委科学技术研究项目( KJ110412，KJ110416) ;重庆交通大学( 桥梁) 结构工程重点实验室开放基金资助项目( CQSLBF-Y11-7， CQSLBF-增12-7，CQSLBF-7 10-6) ;国家自然科学基金资助项目( 50808189) ;“973”计划前期研究专项研究项目( 2012CB723305)

Abstract

Abstract: The fatigue detection and crack repair of steel box girder were described． The detection cycle of main components of steel box girder was analyzed． The key parts of steel deck which were easy to have fatigue damage were analyzed． According to the measurements and its urgency，the judgment items which have 5 levels were put forward in order to evaluate fatigue．

Key words: steel girder, suspension bridge, fatigue, maintenance strategies, typical diseases, orthotropic steel deck

摘要： 阐述了钢箱梁的疲劳检测内容和钢箱梁的裂纹的修补流程，分析了钢箱梁的各主要构件的检查周期。分析了钢箱梁钢桥面板易于产生疲劳损伤的关键位置。根据采取的维护措施以及措施的紧迫性，提出了钢箱梁疲劳评估的判断项目，将判断项目分为5个级别，便于疲劳评估。

关键词: 钢加劲梁, 悬索桥, 疲劳, 维修策略, 病害, 正交异性钢桥面板

CLC Number:

U445.7⁺1

Zeng Yong ，，Xiang Zhongfu ，，Yu Fu，Jiang Xueliang ，Shen Xinhui ，Li Xianyang. Typical Diseases and Maintenance Strategies for Steel Girder of Large-Span Suspension Bridge[J]. Journal of Chongqing Jiaotong University(Natural Science), 2012, 31(增1): 700-703.

曾勇，向中富，于福，姜学良，沈新慧，李贤仰. 大跨度悬索桥钢加劲梁典型病害及维修策略[J]. 重庆交通大学学报（自然科学版）, 2012, 31(增1): 700-703.

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Typical Diseases and Maintenance Strategies for Steel Girder of Large-Span Suspension Bridge

大跨度悬索桥钢加劲梁典型病害及维修策略

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