| 某跨海大桥钢箱梁临时存放过程中破坏机理分析及加固措施研究 |
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| 引用本文： | 严仁章,朱美豪,王帅,周建庭,刘小渝.某跨海大桥钢箱梁临时存放过程中破坏机理分析及加固措施研究[J].世界桥梁,2019,47(4):80-85. |
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| 作者姓名： | 严仁章 朱美豪 王帅 周建庭 刘小渝 |
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| 作者单位： | 省部共建山区桥梁及隧道工程国家重点实验室,重庆400074;重庆交通大学土木工程学院,重庆400074;重庆航天职业技术学院,重庆,400021 |
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| 基金项目： | 国家自然科学基金;中国博士后科学基金面上项目;重庆市博士后科研特别资助项目 |
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| 摘 要： | 针对薄壁钢箱梁临时存放过程中产生的局部变形破坏,以某跨海大桥钢箱梁临时存放过程中产生的局部变形为背景,采用现场检测、有限元法与理论分析相结合的方式研究破坏产生的原因,并提出可靠的局部变形修复方案。结果表明:钢箱梁发生局部变形破坏的主要原因为支座位置设置不当,其引起的变形主要集中在支座范围内;提出采用梁端多点支撑、局部增强横隔板支撑,局部割除、更换变形部件的修复措施,实现了钢箱梁临时存放引起的局部变形破坏修复,修复效果较好。
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| 关 键 词： | 钢箱梁 临时存放 局部变形 现场检测 有限元法 修复措施 |
Damage Mechanism Analysis for Steel Box Girder of a Sea-Crossing Bridge During Temporary Storage Process and Strengthening Measures |
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| YAN Ren-zhang,ZHU Mei-hao,WANG Shuai,ZHOU Jian-ting,LIU Xiao-yu.Damage Mechanism Analysis for Steel Box Girder of a Sea-Crossing Bridge During Temporary Storage Process and Strengthening Measures[J].World Bridges,2019,47(4):80-85. |
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| Authors: | YAN Ren-zhang ZHU Mei-hao WANG Shuai ZHOU Jian-ting LIU Xiao-yu |
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| Institution: | (State Key Laboratory of the Mountainous Bridge and Tunnel Engineering, Chongqing 400074, China;School of Civil Engineering, Chongqing Jiaotong University, Chongqing 400074, China;Chongqing Aerospace Polytechnic, Chongqing 400021, China) |
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| Abstract: | YAN Ren-zhang;ZHU Mei-hao;WANG Shuai;ZHOU Jian-ting;LIU Xiao-yu(State Key Laboratory of the Mountainous Bridge and Tunnel Engineering, Chongqing 400074, China;School of Civil Engineering, Chongqing Jiaotong University, Chongqing 400074, China;Chongqing Aerospace Polytechnic, Chongqing 400021, China) |
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| Keywords: | steel box girder temporary storage local deformation field testing finite element method remedial measure |
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