特大跨桥梁安全性设计评定与设计研究进展
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摘要
由于特大跨桥梁受力机理和服役环境复杂,现有的特大跨桥梁安全性设计与评定缺乏科学性,导致在多因素作用下特大跨桥梁病害突出,安全事故时有发生。因此亟需对特大跨桥梁评定与设计的相关基础理论和方法展开研究,并编制国家层面的特大跨桥梁安全性设计与评定规范。本文首先对特大跨桥梁安全性评定与设计的理论和方法的研究现状展开介绍,随后系统地介绍了本项目组在特大跨桥梁安全性评定与设计方面完成的各项工作,最后就现阶段研究的不足和存在的问题进行探讨,供同行交流和参考。
Due to the complicated mechanical mechanism and service environment of super-long-span bridges, the existing safety design and evaluation of long-span bridges are lack of scientificalness, which leads to serious diseases and accidents of long-span bridges under multi-factors. Therefore, it is urgent to study the basic theories and methods of the evaluation and design of super-long-span bridges, and compile the safety design and evaluation criteria for long-span bridges at the national level. First, the research status of the theories and methods of safety assessment and design for long-span bridges are introduced in this paper. Then, the completed work by our research group in safety assessment and design of long-span bridges are introduced systematically. Finally, the shortcomings and problems of the present study are discussed to facilitate exchange and reference of peers.
Due to the complicated mechanical mechanism and service environment of super-long-span bridges, the existing safety design and evaluation of long-span bridges are lack of scientificalness, which leads to serious diseases and accidents of long-span bridges under multi-factors. Therefore, it is urgent to study the basic theories and methods of the evaluation and design of super-long-span bridges, and compile the safety design and evaluation criteria for long-span bridges at the national level. First, the research status of the theories and methods of safety assessment and design for long-span bridges are introduced in this paper. Then, the completed work by our research group in safety assessment and design of long-span bridges are introduced systematically. Finally, the shortcomings and problems of the present study are discussed to facilitate exchange and reference of peers.
引文
[1] 王海磊.栈桥施工仿真与非线性分析研究[D].重庆交通大学,2011
[2] 韩大章,华新.我国大跨桥梁建设成就及与世界先进水平的差距[J].现代交通技术,2005(04):1—4+9
[3] 刘扬.混凝土斜拉桥施工期的时变可靠性研究[D].湖南大学,2005
[4] 刘扬,张建仁,李传习.混凝土斜拉桥施工期的时变可靠度计算[J].中国公路学报,2004,17(3):31—35
[5] 马亚飞.基于信息更新的RC受弯构件抗力衰减概率模型[D].长沙理工大学,2011
[6] Stewart M G.Mechanical behaviour of pitting corrosion of flexural and shear reinforcement and its effect on structural reliability of corroding RC beams [J].Structural Safety,2009,31(1):19—30
[7] 王剑,刘西拉.基于多层bayes先验抗力模型的结构信息更新[J].上海交通大学学报,2004,38(6):937—940
[8] 李宏江,张劲泉,刘汉勇,等.钢筋混凝土拱桥使用现状及其可靠性评估进展[J].公路工程,2016,41(02):89—98
[9] 李星新,汪正兴,任伟新.基于迭代序列响应面的桥梁体系承载力可靠度评估[J].中国铁道科学,2009,30(3):40—44
[10] 范文亮,李杰.非完全相关荷载下钢筋混凝土框架结构体系可靠度分析[J].计算力学学报,2009,26(5):620—627
[11] 朱乐东,任鹏杰,陈伟,等.坝陵河大桥桥位深切峡谷风剖面实测研究[J].实验流体力学,2011,25(4):15—21
[12] 邵旭东,彭建新,晏班夫.基于桥梁全寿命总成本优化的设计研究综述[A].中国土木工程学会桥梁及结构工程分会、重庆市建设委员会、重庆市交通委员会.第十七届全国桥梁学术会议论文集(上册)[C].中国土木工程学会桥梁及结构工程分会、重庆市建设委员会、重庆市交通委员会:,2006:8
[13] Frangopol D M.Life-cycle cost analysis for bridge,Bridge Safety and Reliability[J].ASCE Reston:VA,1999,210—236
[14] Frangopol D M,Lin K Y,Estes A C.Life-cycle cost design of deteriorating structures[J].Journal of Structural Engineering,1997,123(10):1390—1401
[15] Ang A H S,Leon D.Determination of optimal target reliabilities for design and upgrading of structures[J].Structural Safety,1998,19(1):91—103
[2] 韩大章,华新.我国大跨桥梁建设成就及与世界先进水平的差距[J].现代交通技术,2005(04):1—4+9
[3] 刘扬.混凝土斜拉桥施工期的时变可靠性研究[D].湖南大学,2005
[4] 刘扬,张建仁,李传习.混凝土斜拉桥施工期的时变可靠度计算[J].中国公路学报,2004,17(3):31—35
[5] 马亚飞.基于信息更新的RC受弯构件抗力衰减概率模型[D].长沙理工大学,2011
[6] Stewart M G.Mechanical behaviour of pitting corrosion of flexural and shear reinforcement and its effect on structural reliability of corroding RC beams [J].Structural Safety,2009,31(1):19—30
[7] 王剑,刘西拉.基于多层bayes先验抗力模型的结构信息更新[J].上海交通大学学报,2004,38(6):937—940
[8] 李宏江,张劲泉,刘汉勇,等.钢筋混凝土拱桥使用现状及其可靠性评估进展[J].公路工程,2016,41(02):89—98
[9] 李星新,汪正兴,任伟新.基于迭代序列响应面的桥梁体系承载力可靠度评估[J].中国铁道科学,2009,30(3):40—44
[10] 范文亮,李杰.非完全相关荷载下钢筋混凝土框架结构体系可靠度分析[J].计算力学学报,2009,26(5):620—627
[11] 朱乐东,任鹏杰,陈伟,等.坝陵河大桥桥位深切峡谷风剖面实测研究[J].实验流体力学,2011,25(4):15—21
[12] 邵旭东,彭建新,晏班夫.基于桥梁全寿命总成本优化的设计研究综述[A].中国土木工程学会桥梁及结构工程分会、重庆市建设委员会、重庆市交通委员会.第十七届全国桥梁学术会议论文集(上册)[C].中国土木工程学会桥梁及结构工程分会、重庆市建设委员会、重庆市交通委员会:,2006:8
[13] Frangopol D M.Life-cycle cost analysis for bridge,Bridge Safety and Reliability[J].ASCE Reston:VA,1999,210—236
[14] Frangopol D M,Lin K Y,Estes A C.Life-cycle cost design of deteriorating structures[J].Journal of Structural Engineering,1997,123(10):1390—1401
[15] Ang A H S,Leon D.Determination of optimal target reliabilities for design and upgrading of structures[J].Structural Safety,1998,19(1):91—103
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