铁路重力式桥墩抗震设计研究
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- 英文论文题名：Study on Seismic Design of Railway Gravity Bridge Piers
- 论文作者：艾宗良 ; 夏修身
- 英文论文作者：Ai Zongliang ; Xia Xiushen ; China Railway Eryuan Engineering Group Co. ; Ltd. ; School of Civil Engineering ; Lanzhou Jiaotong University
- 年：2016
- 作者机构：中铁二院工程集团有限责任公司;兰州交通大学土木工程学院;
- 论文关键词：铁路 ; 桥墩 ; 抗震设计 ; 抗剪强度
- 英文论文关键词：railway ; bridge pier ; seismic design ; shear strength
- 会议召开时间：2016-10-14
- 会议录名称：“川藏铁路建设的挑战与对策”2016学术交流会论文集
- 语种：中文
- 分类号：U442.55
- 学会代码：ZGTD
- 会议名称：“川藏铁路建设的挑战与对策”2016学术交流会
- 会议地点：中国四川成都
- 主办单位：中国铁道学会、中国铁道学会工程分会、中国中铁股份有限公司、中铁二院工程集团有限责任公司
- 学会名称：中国铁道学会
- 页数：10
- 文件大小：1239k
- 原文格式：O
- 会议级别：全国
摘要
为提高铁路重力式桥墩的抗震性能,探讨了低配筋重力式桥墩的抗震设计方法。根据重力式桥墩的地震破坏特征,将重力式桥墩的地震破坏分为弯曲破坏型与剪切破坏型,并给出了判别方法。明确了纵筋率及剪跨比与桥墩延性的关系。建议了抗剪强度计算公式,给出低配筋重力式桥墩的抗弯强度及抗剪强度验算方法,弥补了规范在此方面的不足。
In order to improve seismic performance of railway bridge gravity piers,seismic design of railway bridge gravity piers with low reinforcement is discussed.And the identification method is given.The seismic damage of gravity pier is divided into flexural failure mode and shear failure type,according to the seismic damage characteristics of gravity piers.The relationship between longitudinal reinforcement ratio,shear span ratio and pier ductility is defined.The formula of shear strength is proposed,and the bending strength and shear strength of the gravity pier with low reinforcement are given.The deficiencies of codes in this aspect is compensate.
In order to improve seismic performance of railway bridge gravity piers,seismic design of railway bridge gravity piers with low reinforcement is discussed.And the identification method is given.The seismic damage of gravity pier is divided into flexural failure mode and shear failure type,according to the seismic damage characteristics of gravity piers.The relationship between longitudinal reinforcement ratio,shear span ratio and pier ductility is defined.The formula of shear strength is proposed,and the bending strength and shear strength of the gravity pier with low reinforcement are given.The deficiencies of codes in this aspect is compensate.
引文
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[16]中华人民共和国行业标准.GB 50111—2006铁路工程抗震设计规范[S].北京:中国计划出版社,2009.The People's Republic of China industry standard.GB 50111—2006 Code for seismic design of railway engineering[J].Beijing:China Planning Press,2009.
[17]裴路.高速铁路混凝土重力式桥墩抗震验算方法研究[D].兰州:兰交通大学,2014.Pei Lu.Study on the seismic checking methods for high-speed railway gravity piers[D].Lanzhou:Lanzhou Jiaotong University,2014.
[18]Eurocode 8-Design of structures for earthquake resistance-Part 2:Bridges[S].BSEN 1998-2:2005.
[2]张强.大震后铁路混凝土简支梁桥灾害损失评估研究[D].北京:北京交通大学,2014.Zhang Qiang.Seismic Damage Assessment of Railway Simply Supported Bridges After Lager Earthquake[D].Beijing:Beijing Jiaotong University,2014.
[3]丁剑霆,姜淑珍,包峰.唐山地震桥梁震害回顾[J].世界地震工程,2006,22(1):68-71.Ding Jianting,Jiang Shuzhen,Bao Feng.Review of seismic damage to bridges in Tangshan earthquake[J].World Earthquake Engineering,2006,22(1):68-71.
[4]杨梦蛟.汶川大地震既有铁路桥隧建筑物震害情况与思考[C].中国铁道学会2008年度优秀学术论文评选一等奖论文,2008.
[5]朱颖,魏永幸.汶川地震铁路工程震害特征及工程抗震设计对策思考[J].岩石力学与工程学报,2010,29(S):3378-3385.Zhu Ying,Wei Yongxing.Characteristics of Railway Damage Due to Wenchuan Earthquake and Countermeasure Considerations of Engineering Seismic Design[J].Chinese Journal of Rock Mechanics and Engineering,2010,29(S):3378-3385.
[6]宋胜武.汶川大地震工程震害调查分析与研究[M].北京:科学出版社,2009.Song Shengwu.Analysis and Investigation on Seismic damages of Projects Subjected to Wenchuan Earthquake[M].Beijing:Science Press,2009.
[7]鞠彦忠,阎贵平,刘林.低配筋大比例尺圆端型桥墩抗震性能的试验研究[J].土木工程学报,2003,36(11):65-69.Ju Yanzhong,Yan GuiPing,Liu Lin.Experimental study on seismic behaviors of large-scale RC Round-Ended Piers with Low Reinforcement Ratio[J].China Civil Engineering Journal,2003,36(11):65-69.
[8]蒋丽忠,邵光强,姜静静,等.高速铁路圆端形实体桥墩抗震性能试验研究[J].土木工程学报,2013,46(3):86-95.Jiang Lizhong,Shao Guangqiang,Jiang Jingjing,et al.Experimental study on seismic performance of solid piers with round ended cross-section in high-speed railway[J].China Civil Engineering Journal,2013,46(3):86-95.
[9]赵冠远,张同越,陈鑫.低周反复荷载下高速铁路桥墩抗震试验研究[J].中国铁道科学,2014,35(4):38-44.Zhao Guanyuan,Zhang Tongyue,Chen Xin.Experimental Study on the Seismic Performance of High Speed Railway Bridge Pier under Low Cyclic Loading[J].China Railway Science,2014,35(4):38-44.
[10]叶爱君.桥梁抗震[M].2版.北京:人民交通出版社,2011.Ye Aijun.Seismic Design of Bridges[M].2nd edition.Beijing:China Communications Press,2011.
[11]台湾交通部.铁路桥梁耐震设计规范[S].台北:金新印刷影印行,2006.
[12]中华人民共和国行业标准.JTG/T B02-01—2008公路桥梁抗震设计细则[S].北京:人民交通出版社,2008.The People's Republic of China industry standard.JTG/T B02-01—2008 Guidelines for Seismic Design of Highway Bridges[S].Beijing:China Communications Press,2008.
[13]M.J.N.Priestley,Ravindra Verma,Yan Xiao.Seismic Shear Strength of Reinforced Concreted Columns[J].Journal of Structural Engineering,1994,120(8):2310-2329.
[14]Caltrans seismic design criteria version 1.4[S].2006.
[15]中华人民共和国行业标准.CJJ 166—2011城市桥梁抗震设计规范[S].北京:中国建筑工业出版社,2011.The People's Republic of China industry standard.CJJ 166—2011 Code for seismic design of urban bridges[S].Beijing:China Architecture&Building Press,2011.
[16]中华人民共和国行业标准.GB 50111—2006铁路工程抗震设计规范[S].北京:中国计划出版社,2009.The People's Republic of China industry standard.GB 50111—2006 Code for seismic design of railway engineering[J].Beijing:China Planning Press,2009.
[17]裴路.高速铁路混凝土重力式桥墩抗震验算方法研究[D].兰州:兰交通大学,2014.Pei Lu.Study on the seismic checking methods for high-speed railway gravity piers[D].Lanzhou:Lanzhou Jiaotong University,2014.
[18]Eurocode 8-Design of structures for earthquake resistance-Part 2:Bridges[S].BSEN 1998-2:2005.
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