不同加载模式的高墩拟静力试验研究(I):试验设计及初步结果
摘要
通过不同加载模式的拟静力试验对高墩的抗震性能展开研究,设计了3个完全相同的钢筋混凝土矩形空心墩试件。将两个作动器分别安装在墩身一定高度位置以及墩顶,采用3种不同的加载模式进行拟静力试验,其中两种加载模式考虑了高阶模态的参与,用以验证高阶模态参与下高墩的抗震性能。试验中以加载力-位移滞回曲线、墩底截面平均曲率、墩顶位移为主要测试对象,对不同加载模式下的高墩试件损伤过程、破坏机理、塑性区域的变形及极限状态进行了分析研究,结果表明高阶模态的参与程度对高墩抗震性能产生了影响。
引文
[1]JTG/T B02-01-2008公路桥梁抗震设计细则[S].
[2]梁智垚.桥梁高墩位移延性能力计算方法研究[J].工程抗震与加固改造,2005(5).
[3]李建中,宋晓东,范立础.桥梁高墩位移延性能力的探讨[J].地震工程与工程振动,2005(1).
[4]卢皓,李建中,管仲国.高阶振型对高墩桥梁抗震性能的影响及识别[J].振动与冲击,2012(17).
[5]California Department of Transportation.Caltrans Seismic Design Criteria Version 1.5[S],September 2009,Business Transportation and Housing Agency,State of California.
[6]M.J.N.Priestley,R.Park.Strength And Ductility of Concrete Bridge Columns under Seismic Loading.ACI Structural Journal,Ian-Feb,1987:61-76.
[7]Lehman D E,Moehle J P.Seismic Performance of Well-Confined Concrete Bridge Column[R].PEER 1998/01,Pacific Earthquake Engineering Research Center,Berkeley,CA.
[8]Calderone.A.J.,Lehman.D.E.,and Moehle.J.P..“Behavior of Reinforced Concrete Columns with Varied Zones of Confinement.Rep.,UCB/PEER,Pacific Earthquake Engineering Research,Berkeley Calif,2001.
[9]Sungjin Bae,Oguzhan Bayrak.Seismic Performance of Full-Scale Reinforced Concrete Columns.[J]ACI Structural Journal,2008,105(2):123-133.
[10]孙卓,李建中,闫贵平,等.钢筋混凝土单柱式桥墩抗震性能试验研究[J].同济大学学报,2006(2).
[11]Sun zhuo,Li Jianzhong,Yan Guiping,Fan Lichu.Experimental Study on Seismic Performance of Reinforced Concrete One-Column Bridge Piers[J].Journal of Tongji University,2006,34(2):160-164.
[12]CJJ 166-2011城市桥梁抗震设计规范[S].
[13]Misael REQUENA and A.Gustavo AYALA.Evaluation of a Simplified Method for the Determination of the Nonlinear Seismic Response of RC Frames.12WCEE,2000.
[2]梁智垚.桥梁高墩位移延性能力计算方法研究[J].工程抗震与加固改造,2005(5).
[3]李建中,宋晓东,范立础.桥梁高墩位移延性能力的探讨[J].地震工程与工程振动,2005(1).
[4]卢皓,李建中,管仲国.高阶振型对高墩桥梁抗震性能的影响及识别[J].振动与冲击,2012(17).
[5]California Department of Transportation.Caltrans Seismic Design Criteria Version 1.5[S],September 2009,Business Transportation and Housing Agency,State of California.
[6]M.J.N.Priestley,R.Park.Strength And Ductility of Concrete Bridge Columns under Seismic Loading.ACI Structural Journal,Ian-Feb,1987:61-76.
[7]Lehman D E,Moehle J P.Seismic Performance of Well-Confined Concrete Bridge Column[R].PEER 1998/01,Pacific Earthquake Engineering Research Center,Berkeley,CA.
[8]Calderone.A.J.,Lehman.D.E.,and Moehle.J.P..“Behavior of Reinforced Concrete Columns with Varied Zones of Confinement.Rep.,UCB/PEER,Pacific Earthquake Engineering Research,Berkeley Calif,2001.
[9]Sungjin Bae,Oguzhan Bayrak.Seismic Performance of Full-Scale Reinforced Concrete Columns.[J]ACI Structural Journal,2008,105(2):123-133.
[10]孙卓,李建中,闫贵平,等.钢筋混凝土单柱式桥墩抗震性能试验研究[J].同济大学学报,2006(2).
[11]Sun zhuo,Li Jianzhong,Yan Guiping,Fan Lichu.Experimental Study on Seismic Performance of Reinforced Concrete One-Column Bridge Piers[J].Journal of Tongji University,2006,34(2):160-164.
[12]CJJ 166-2011城市桥梁抗震设计规范[S].
[13]Misael REQUENA and A.Gustavo AYALA.Evaluation of a Simplified Method for the Determination of the Nonlinear Seismic Response of RC Frames.12WCEE,2000.
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