管道承插式接口轴向力学性能试验研究与数值模拟
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摘要
通过球墨铸铁供水管线承插式接口抗拉静载力学性能试验,分析管道接口轴向的拉伸力学性能和破坏模式,并建立相应管道接口受力分析的有限元数值模型。在外部无覆土、加压注水条件下,对球墨铸铁输水管道承插式接口进行拟静力拉拔试验,模拟其在地震作用等往复荷载下的轴向受力与变形特征。试验结果表明,加载方式以及管道内部水压等对接口的轴向抗拉力学性能和破坏方式的影响不大,抗拉极限位移达到60 cm。基于OpenSees计算平台建立管道接口有限元模型,并对试验结果进行了模拟,结果表明建立的管道接口有限元模型能够较好地模拟管道接口在轴向往复荷载作用下的刚度退化和耗能等力学特征,为埋地管道在复杂轴向荷载作用下的受力分析和性能评估提供了必要的试验数据和计算模型。
A series of pseudo-static tensile tests were performed on the push-on joints of ductile iron water pipeline specimens to investigate the axial mechanical properties and failure mechanism of the joints. A new finite element model for the push-on joint was also developed in this study. The pseudo-static tests were carried out on the push-on joints of ductile iron pipeline specimens using both monotonic and cyclic loading to investigate the behavior of the joints under repetitive axial loading, such as seismic loads during an earthquake event. It was found that the effects of the different loading protocols and internal water pressure on the axial response and failure modes of the push-on joint were negligible in this experimental study. The tension displacement limit of the joints reached 60 cm. Finally, a new finite element joint model was developed in OpenSees to simulate the axial behavior of the push-on joint observed during the experiments. The proposed numerical joint model can well capture the characteristic axial response of the joint, such as axial stiffness degradation and energy dissipation.Both the experimental and numerical results provide a support in assessing the performance of the push-on joints of water pipelines subjected to complex axial loading.
A series of pseudo-static tensile tests were performed on the push-on joints of ductile iron water pipeline specimens to investigate the axial mechanical properties and failure mechanism of the joints. A new finite element model for the push-on joint was also developed in this study. The pseudo-static tests were carried out on the push-on joints of ductile iron pipeline specimens using both monotonic and cyclic loading to investigate the behavior of the joints under repetitive axial loading, such as seismic loads during an earthquake event. It was found that the effects of the different loading protocols and internal water pressure on the axial response and failure modes of the push-on joint were negligible in this experimental study. The tension displacement limit of the joints reached 60 cm. Finally, a new finite element joint model was developed in OpenSees to simulate the axial behavior of the push-on joint observed during the experiments. The proposed numerical joint model can well capture the characteristic axial response of the joint, such as axial stiffness degradation and energy dissipation.Both the experimental and numerical results provide a support in assessing the performance of the push-on joints of water pipelines subjected to complex axial loading.
引文
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[3]O'Rourke T D,Hamada M.Large ground deformations and their effects on lifeline facilities:1971 San Fernando earthquake[M]//Case studies liquefaction and lifeline performance during past earthquakes:United States case studies.USA:US National Center for Earthquake Engineering Research(NCEER),1992:1-85.
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[6]孙路.基于典型生命线工程震害评定地震烈度的研究[D].哈尔滨:中国地震局工程力学研究所,2015.Sun Lu.Research on earthquake intensity evaluation based on earthquake damage of typical lifeline engineering[D].Harbin:Institute of Engineering Mechanics,China Earthquake Administration,2015.
[7]何政,安宁,徐菁菁.考虑损伤的结构抗震可恢复性[J].工程力学,2017,34(5):179-187.He Zheng,An Ning,Xu Jingjing.Structural seismic resilience considering damage[J].Engineering Mechanics,2017,34(5):179-187.(in Chinese)
[8]刘智,郭恩栋,胡少卿,等.供热管道地震易损性分析[J].工程力学,2013,30(7):187-192.Liu Zhi,Guo Endong,Hu Shaoqing,et al.Seismic vulnerability analysis of heat supply pipeline[J].Engineering Mechanics,2013,30(7):187-192.(in Chinese)
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[11]Elhmadi K,O’Rourke M J.Seismic damage to segmented buried pipelines[J].Earthquake Engineering&Structural Dynamics,1990,19(4):529-539.
[12]Hosseini M,Ajideh H.Seismic analysis of buried jointed pipes considering multi-node excitations and wave propagation phenomena[M]//Pipelines 2001:Advances in Pipelines Engineering and Construction.USA:Advances in Pipelines Engineering and Construction,2001:1-12.
[13]Shi P.Seismic wave propagation effects on buried segmented pipelines[J].Soil Dynamics and Earthquake Engineering,2015,72:89-98.
[14]周静海,赵海艳,魏立群.球墨铸铁供水管线在地震作用下功能性实验分析[J].沈阳建筑大学学报:自然科学版,2008,24(2):196-199.Zhou Jinghai,Zhao Haiyan,Wei Liqun.Experimental research on functionality of ductile cast iron pipelines under the earthquake[J].Journal of Shenyang Jianzhu University:Natural Science,2008,24(2):196-199.(in Chinese)
[15]Han Y,Song H,Zhang L,et al.Experimental research on ductile iron pipes with rubber gasketed joints[M]//Pipelines 2010:Climbing New Peaks to Infrastructure Reliability:Renew,Rehab,and Reinvest.USA:ASCE,2010:1170-1176.
[16]Zhong Z,Filiatrault A,Aref A.Experimental performance evaluation of pipelines rehabilitated with cured-in-place-pipe liner under earthquake transient ground deformations[J].Journal of Infrastructure Systems,2017,23(2):04016036.
[17]Zhong Z,Aref A,Filiatrault A.Seismic performance evaluation of buried pipelines retrofitted with cured-in-place-pipe lining technology[C]//16th World Conference on Earthquake Engineering(16WCEE).Santiago,Proceedings of 16WCEE,2017.
[18]Zhong Z,Filiatrault A,Aref A.Numerical simulation and seismic performance evaluation of buried pipelines rehabilitated with cured-in-place-pipe liner under seismic wave propagation[J].Earthquake Engineering&Structural Dynamics,2017,46(5):811-829.
[19]Zhong Z,Bouziou D,Wham B,et al.Seismic testing of critical lifelines with cured in place pipe lining technology[J].Journal of Earthquake Engineering,2014,18(6):964-985.
[20]Vazouras P,Karamanos S A.Structural behavior of buried pipe bends and their effect on pipeline response in fault crossing areas[J].Bulletin of Earthquake Engineering,2017(2):1-26.
[21]陈春光,杨庆华,孔杰,等.铸铁管道胶圈承插接口抗震性能试验研究[J].地震工程与工程振动,2012,32(3):104-108.Chen Chunguang,Yang Qinghua,Kong Jie,et al.Experimental research on seismic capability of cast-iron pipe with rubber gasket joints[J].Journal of Earthquake and Engineering Vibration,2012,32(3):104-108.(in Chinese)
[22]曹建国.场地大变形下供水管道破坏试验及地震安全评估[D].杭州:浙江大学,2014.Cao Jianguo.Test and seismic assessment of water supply pipeline under large ground deformation[D].Hangzhou:Zhejiang University,2014.
[23]Mazzoni S,McKenna F,Fenves G L.OpenSees command language manual[M].Berkeley,USA:University of California,2009.
[24]刘为民,孙绍平.管道接口的抗震试验研究[C]//第五届全国地震工程会议,北京:第五届全国地震工程会议论文集,1998:970-975.Liu Weimin,Sun Shaoping.Shaking table test of pipe with junctions[C]//Proceeding of Fifth China Symposia on Earthquake Engineering,Beijing:Proceedings of5CSEE,1998:970-975.(in Chinese)
[25]韩阳,张珂华,段君峰.球墨铸铁给水管道柔性接口轴向拉拔试验研究[J].四川建筑科学研究,2017,43(4):80-83.Han Yang,Zhang Kehua,Duan Junfeng.The pull-out test of ductile cast iron pipe with flexible joint[J].Sichuan Building Science,2017,43(4):80-83.(in Chinese)
[26]周静海,李宏男,宋阳.埋地球墨铸铁供水管道轴向拉拔试验[J].沈阳建筑大学学报(自然科学版),2009,25(3):474-477.Zhou Jinghai,Li Hongnan,Song Yang.Pullout test research on the underground water pipelines[J].Journal of Shenyang Jianzhu University:Natural Science,2009,25(3):474-477.(in Chinese)
[27]GB 50032-2003,室外给水排水和燃气热力工程抗震设计规范[S].北京:中国建筑工业出版社,2003.GB 50032-2003,Code for seismic design of outdoor water supply,sewerage,gas and heating engineering[S].Beijing:China Architecture and Building Press,2003.(in Chinese)
[28]蔡小宁,孟少平.预应力自复位混凝土框架节点抗震性能数值模拟[J].工程力学,2016,33(3):143-151.Cai Xiaoning,Meng Shaoping.Numerical analysis for seismic behavior of self-centering post-tensioned precast beam-to-column connections[J].Engineering Mechanics,2016,33(3):143-151.(in Chinese)
[2]O’Rourke T D,Bonneau A L,Pease J W,et al.Liquefaction and ground failures in San Francisco[J].Earthquake Spectra,2006,22(Suppl 2):91-112.
[3]O'Rourke T D,Hamada M.Large ground deformations and their effects on lifeline facilities:1971 San Fernando earthquake[M]//Case studies liquefaction and lifeline performance during past earthquakes:United States case studies.USA:US National Center for Earthquake Engineering Research(NCEER),1992:1-85.
[4]Ayala A G,O’Rourke M J,Escobar J A.Evaluation of the effects of the 1985 Michoacán earthquake on the water systems in metropolitan Mexico City[J].Earthquake Spectra,1990,6(3):473-496.
[5]舒亚俐.既有给排水管线的震害及管道抗震能力关键问题综合分析[J].城市道桥与防洪,2013(3):111-114.Shu Yali.Comprehensive analysis of key problems of seismic damage to sewers and seismic capacity of pipelines[J].Urban Roads Bridges and Flood Control,2013(3):111-114.(in Chinese)
[6]孙路.基于典型生命线工程震害评定地震烈度的研究[D].哈尔滨:中国地震局工程力学研究所,2015.Sun Lu.Research on earthquake intensity evaluation based on earthquake damage of typical lifeline engineering[D].Harbin:Institute of Engineering Mechanics,China Earthquake Administration,2015.
[7]何政,安宁,徐菁菁.考虑损伤的结构抗震可恢复性[J].工程力学,2017,34(5):179-187.He Zheng,An Ning,Xu Jingjing.Structural seismic resilience considering damage[J].Engineering Mechanics,2017,34(5):179-187.(in Chinese)
[8]刘智,郭恩栋,胡少卿,等.供热管道地震易损性分析[J].工程力学,2013,30(7):187-192.Liu Zhi,Guo Endong,Hu Shaoqing,et al.Seismic vulnerability analysis of heat supply pipeline[J].Engineering Mechanics,2013,30(7):187-192.(in Chinese)
[9]O’Rourke M J,Jiu X.Seismic design of buried and offshore pipelines[R].New York:State University of New York at Buffalo:Multidisciplinary Center for Earthquake Engineering Research,2012.
[10]O’Rourke T D,Jeon S S,Toprak S,et al.Earthquake response of underground pipeline networks in Christchurch,NZ[J].Earthquake Spectra,2014,30(1):183-204.
[11]Elhmadi K,O’Rourke M J.Seismic damage to segmented buried pipelines[J].Earthquake Engineering&Structural Dynamics,1990,19(4):529-539.
[12]Hosseini M,Ajideh H.Seismic analysis of buried jointed pipes considering multi-node excitations and wave propagation phenomena[M]//Pipelines 2001:Advances in Pipelines Engineering and Construction.USA:Advances in Pipelines Engineering and Construction,2001:1-12.
[13]Shi P.Seismic wave propagation effects on buried segmented pipelines[J].Soil Dynamics and Earthquake Engineering,2015,72:89-98.
[14]周静海,赵海艳,魏立群.球墨铸铁供水管线在地震作用下功能性实验分析[J].沈阳建筑大学学报:自然科学版,2008,24(2):196-199.Zhou Jinghai,Zhao Haiyan,Wei Liqun.Experimental research on functionality of ductile cast iron pipelines under the earthquake[J].Journal of Shenyang Jianzhu University:Natural Science,2008,24(2):196-199.(in Chinese)
[15]Han Y,Song H,Zhang L,et al.Experimental research on ductile iron pipes with rubber gasketed joints[M]//Pipelines 2010:Climbing New Peaks to Infrastructure Reliability:Renew,Rehab,and Reinvest.USA:ASCE,2010:1170-1176.
[16]Zhong Z,Filiatrault A,Aref A.Experimental performance evaluation of pipelines rehabilitated with cured-in-place-pipe liner under earthquake transient ground deformations[J].Journal of Infrastructure Systems,2017,23(2):04016036.
[17]Zhong Z,Aref A,Filiatrault A.Seismic performance evaluation of buried pipelines retrofitted with cured-in-place-pipe lining technology[C]//16th World Conference on Earthquake Engineering(16WCEE).Santiago,Proceedings of 16WCEE,2017.
[18]Zhong Z,Filiatrault A,Aref A.Numerical simulation and seismic performance evaluation of buried pipelines rehabilitated with cured-in-place-pipe liner under seismic wave propagation[J].Earthquake Engineering&Structural Dynamics,2017,46(5):811-829.
[19]Zhong Z,Bouziou D,Wham B,et al.Seismic testing of critical lifelines with cured in place pipe lining technology[J].Journal of Earthquake Engineering,2014,18(6):964-985.
[20]Vazouras P,Karamanos S A.Structural behavior of buried pipe bends and their effect on pipeline response in fault crossing areas[J].Bulletin of Earthquake Engineering,2017(2):1-26.
[21]陈春光,杨庆华,孔杰,等.铸铁管道胶圈承插接口抗震性能试验研究[J].地震工程与工程振动,2012,32(3):104-108.Chen Chunguang,Yang Qinghua,Kong Jie,et al.Experimental research on seismic capability of cast-iron pipe with rubber gasket joints[J].Journal of Earthquake and Engineering Vibration,2012,32(3):104-108.(in Chinese)
[22]曹建国.场地大变形下供水管道破坏试验及地震安全评估[D].杭州:浙江大学,2014.Cao Jianguo.Test and seismic assessment of water supply pipeline under large ground deformation[D].Hangzhou:Zhejiang University,2014.
[23]Mazzoni S,McKenna F,Fenves G L.OpenSees command language manual[M].Berkeley,USA:University of California,2009.
[24]刘为民,孙绍平.管道接口的抗震试验研究[C]//第五届全国地震工程会议,北京:第五届全国地震工程会议论文集,1998:970-975.Liu Weimin,Sun Shaoping.Shaking table test of pipe with junctions[C]//Proceeding of Fifth China Symposia on Earthquake Engineering,Beijing:Proceedings of5CSEE,1998:970-975.(in Chinese)
[25]韩阳,张珂华,段君峰.球墨铸铁给水管道柔性接口轴向拉拔试验研究[J].四川建筑科学研究,2017,43(4):80-83.Han Yang,Zhang Kehua,Duan Junfeng.The pull-out test of ductile cast iron pipe with flexible joint[J].Sichuan Building Science,2017,43(4):80-83.(in Chinese)
[26]周静海,李宏男,宋阳.埋地球墨铸铁供水管道轴向拉拔试验[J].沈阳建筑大学学报(自然科学版),2009,25(3):474-477.Zhou Jinghai,Li Hongnan,Song Yang.Pullout test research on the underground water pipelines[J].Journal of Shenyang Jianzhu University:Natural Science,2009,25(3):474-477.(in Chinese)
[27]GB 50032-2003,室外给水排水和燃气热力工程抗震设计规范[S].北京:中国建筑工业出版社,2003.GB 50032-2003,Code for seismic design of outdoor water supply,sewerage,gas and heating engineering[S].Beijing:China Architecture and Building Press,2003.(in Chinese)
[28]蔡小宁,孟少平.预应力自复位混凝土框架节点抗震性能数值模拟[J].工程力学,2016,33(3):143-151.Cai Xiaoning,Meng Shaoping.Numerical analysis for seismic behavior of self-centering post-tensioned precast beam-to-column connections[J].Engineering Mechanics,2016,33(3):143-151.(in Chinese)