钢筋混凝土空心薄壁桥墩的延性
摘要
为探究空心薄壁桥墩延性性能,基于弯矩-曲率关系分析,对衡量其延性的指标,即曲率延性系数进行了研究。分析了壁厚对空心薄壁桥墩延性的影响,并与相同整体尺寸的实体桥墩进行了比较。结果表明,相同轴压比下,空心薄壁桥墩延性要优于实体桥墩;然而,在相同轴力作用下,空心薄壁桥墩的延性要劣于实体桥墩。
引文
[1]朱晞,弓俊青.钢筋混凝土桥梁延性抗震设计的研究及发展.桥梁建设,2000(1):1-5.
[2]虞辉,王爽,张溪,李利军.高烈度地震区连续梁桥延性抗震设计探究.公路交通科技,2012(6):258-260.
[3]李宇航,杨万旭.公路交通科技,2011(5).
[4]朱伯龙,吴明舜.钢筋混凝土压弯构件延性系数的研究.同济大学学报,1978(1):107-119.
[5]朱伯龙,张琨联.矩形及环形截面压弯构件恢复力特性研究.同济大学学报,1982(2):1-10.
[6]沈聚敏,翁义军,冯世平.周期反复荷载下钢筋混凝土压弯构件的性能.土木工程学报,1982,15(2):53-64.
[7]阎贵平.梁式桥弹塑性地震反应与应用延性抗震设计方法的基础研究.上海:同济大学博士学位论文,1989.
[8]杨新宝.钢筋混凝土桥墩抗震性能评估与加固.上海:同济大学博士学位论文,1997.
[9]孙卓,李建中,闫贵平,范立础.钢筋混凝土单柱式桥墩抗震性能试验研究.同济大学学报,2006(2):160-164.
[10]Ho J.C.M.and Pam H.J.Inelastic design of low-axially loadedhigh-strength reinforced concrete columns.Engineering Structures,2003,25(8):1083-1096.
[11]Bai ZZ.Nonlinear Analysis of Reinforced Concrete Beams and Col-umns with Special Reference to Full-Range and Cyclic Behaviour.PhD Thesis,The University of Hong Kong,Hong Kong,2006.
[12]Bai ZZ,Au FTK.Ductility of symmetrically reinforced concrete col-umns.Magazine of Concrete Research,2009,61(5):345-357.
[13]Bai ZZ,Au FTK.Effects of strain hardening of reinforcement on flex-ural strength and ductility of reinforced concrete columns.StructuralDesign of Tall and Special Buildings,2011,20(7),pp 784-800,2011/11.
[14]Lam JYK,Ho JCM,Kwan AKH.Flexural ductility of high-strengthconcrete columns with minimal confinement.Materials and Structures,2009,42(7):909-921.
[15]白植舟,崔宏,甄东晓.轴力对钢筋混凝土桥墩抗震性能的影响.天津:第十八届全国桥梁学术会议论文,2008.
[16]Attard MM,Setunge S.The stress-strain relationship of confined andunconfined concrete.ACI Materials Journal,1996,93(5).
[2]虞辉,王爽,张溪,李利军.高烈度地震区连续梁桥延性抗震设计探究.公路交通科技,2012(6):258-260.
[3]李宇航,杨万旭.公路交通科技,2011(5).
[4]朱伯龙,吴明舜.钢筋混凝土压弯构件延性系数的研究.同济大学学报,1978(1):107-119.
[5]朱伯龙,张琨联.矩形及环形截面压弯构件恢复力特性研究.同济大学学报,1982(2):1-10.
[6]沈聚敏,翁义军,冯世平.周期反复荷载下钢筋混凝土压弯构件的性能.土木工程学报,1982,15(2):53-64.
[7]阎贵平.梁式桥弹塑性地震反应与应用延性抗震设计方法的基础研究.上海:同济大学博士学位论文,1989.
[8]杨新宝.钢筋混凝土桥墩抗震性能评估与加固.上海:同济大学博士学位论文,1997.
[9]孙卓,李建中,闫贵平,范立础.钢筋混凝土单柱式桥墩抗震性能试验研究.同济大学学报,2006(2):160-164.
[10]Ho J.C.M.and Pam H.J.Inelastic design of low-axially loadedhigh-strength reinforced concrete columns.Engineering Structures,2003,25(8):1083-1096.
[11]Bai ZZ.Nonlinear Analysis of Reinforced Concrete Beams and Col-umns with Special Reference to Full-Range and Cyclic Behaviour.PhD Thesis,The University of Hong Kong,Hong Kong,2006.
[12]Bai ZZ,Au FTK.Ductility of symmetrically reinforced concrete col-umns.Magazine of Concrete Research,2009,61(5):345-357.
[13]Bai ZZ,Au FTK.Effects of strain hardening of reinforcement on flex-ural strength and ductility of reinforced concrete columns.StructuralDesign of Tall and Special Buildings,2011,20(7),pp 784-800,2011/11.
[14]Lam JYK,Ho JCM,Kwan AKH.Flexural ductility of high-strengthconcrete columns with minimal confinement.Materials and Structures,2009,42(7):909-921.
[15]白植舟,崔宏,甄东晓.轴力对钢筋混凝土桥墩抗震性能的影响.天津:第十八届全国桥梁学术会议论文,2008.
[16]Attard MM,Setunge S.The stress-strain relationship of confined andunconfined concrete.ACI Materials Journal,1996,93(5).
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