核电站常规岛主厂房结构抗震性能设计
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摘要
核电站常规岛主厂房结构布置受限于工艺流程,含较多的错层、跃层,使结构的刚度与质量分布严重不均匀,往往超过了规范的适用条件,地震期间若出现功能中断或设备受损都将造成巨大的损失。基于性能的抗震设计应用于主厂房结构的抗震设计与评估中,在承载力和变形能力两个方面量化其抗震水平,确保主厂房的抗震能力满足预期设防目标。承载力依据现行抗震规范设计,变形能力的评估细化到构件的层次进行,在此基础上选取了5条地震波记录对典型常规岛主厂房结构进行弹塑性分析。结果表明:核电站常规岛主厂房结构能够在地震作用下保持不倒塌,结构具有较大冗余度,能保证核岛安全。
The main building of nuclear pow er station is a special kind of industrial structure,w ith irregular in mass and stiffness. The analysis and design should be carried on very carefully. If functional disruption or damage to the equipment during an earthquake,huge damage w ill be generated. the perform-based seismic design method is used to the main plant structure,the seismic bearing capacity and deformability capacity are both scrutinized,to ensure the seismic capacity of the main plant to achieve predetermined seismic aims. Design can be based on the current code for seismic design of buildings,and the evaluation of deformability capacity can be based on the element level. On this basis,five seismic w aves recorded are used on the main plant structure. Results show that through reasonable design the main pow er building can have larger redundancy to avoid collapse under earthquake and sudden loss of bearing capacity of its key component,and can ensure the safety of the nuclear island.
The main building of nuclear pow er station is a special kind of industrial structure,w ith irregular in mass and stiffness. The analysis and design should be carried on very carefully. If functional disruption or damage to the equipment during an earthquake,huge damage w ill be generated. the perform-based seismic design method is used to the main plant structure,the seismic bearing capacity and deformability capacity are both scrutinized,to ensure the seismic capacity of the main plant to achieve predetermined seismic aims. Design can be based on the current code for seismic design of buildings,and the evaluation of deformability capacity can be based on the element level. On this basis,five seismic w aves recorded are used on the main plant structure. Results show that through reasonable design the main pow er building can have larger redundancy to avoid collapse under earthquake and sudden loss of bearing capacity of its key component,and can ensure the safety of the nuclear island.
引文
[1]吴涛,白国良,刘伯权.大型火力发电厂钢筋混凝土框排架主厂房结构抗震性能试验研究[J].建筑结构学报,2007,28(3):46-52.WU Tao,BAI Guoliang,LIU Boquan.Experimental Study on Seismic Behavior of rc Frame-Bent Structure of a Large Scale Pow er Plant[J].Journal of Building Structures,2007,28(3):46-52.
[2]白晓红.钢筋混凝土框排架结构的平扭耦联多维地震反应分析[D].西安建筑科技大学,2008.BAI Xiaohong.M ulti-Dimensional Seismic Response Analysis of the Reinforced Concrete Frame-Bent Structure Considered Lateral-Torsional Coupled[D].College of Civil Engineering Xi'An University of Architecture&Technology,2008.
[3]白国良,白涌滔,李红星,等.大型火电厂分散剪力墙-SRC框排架结构抗震性能试验研究[J].工程力学,2011,28(6):74-80.BAI Guoliang,BAI Yongtao,LI Hongxing et al.Experimental Study on Aseismic Behavior of Scattered Shear Wall-SRC Frame-bent Structure in Large-Scale Thermal Pow er Plant[J].Engineering M echanics,2011,28(6):74-80.
[4]马申.主厂房采用混凝土单跨框-排架结构的抗震设计措施[J].武汉大学学报(工学版),2011,44(10):90-94.M A Shen.Use of Aseismic M easures of Single Span Concrete Structure of Framed Bent in M ain Pow er Buildings[J].Engineering Journal of Wuhan University,2011,44(10):90-94.
[5]戚永乐,万海涛.核岛侧常规岛主厂房山墙抗倒塌能力分析[J].南方能源建设,2014,1(1):70-74.QI Yongle,WAN Haitao.The Capacity of Resisting Collapse of the M ain Pow er Building Gable Nearby Nuclear Island[J].Energy Con Struction,2014,1(1):70-74.
[6]戚永乐.基于材料应变的RC梁、柱及剪力墙构件抗震性能指标限值研究[D].广州:华南理工大学,2012.QI Yongle.Research on Deformation Limits of RC Beams,Columns and Shear Walls Based on M aterial Strain[D].Guangzhou:South China University of Technology,2012.
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[8]Computer and Structures Inc.Perform Components and Elements for Perform-3D and Perform-Collapse[M].Computer and Structures,2006.
[9]DL 5022—2012,火力发电厂土建结构设计技术规定[S].北京;中国建筑工业出版社.2012.DL 5022—2012,Technical Stipulation for the Design of Civil Structure of Thermal Pow er Plant[S].Beijing:China Building Industry Press.2012.
[10]GB 50011—2010,建筑抗震设计规范[S].北京;中国建筑工业出版社.2010.GB 50011—2010,code of aseismic design of buildings[S].Beijing:China Building Industry Press.2010.
[11]QI Yongle,ZHOU Xinxian,XIE Candong.Research on Material damage Limits of RC Components for Performance-Based Seismic Design and Assessment[J].Applied M echanics and M aterials,2013,12(477):1101-1104.
[12]Yongle Qi,Xiaolei Han.Failure Mode Classification of Reinforced Concrete Columns Using Fisher M ethod[J].Journal of Central South University of Technology,2013,10(20):2863-2869.
[13]QI Yongle,ZHOU Xinxian,XIE Candong.Research on Deformation Index Limits of RC Shear Wall Based on M aterial Damage[J].Applied M echanics and M aterials,2014,1(507):322-327.
[14]戚永乐,韩小雷,周新显.钢筋混凝土梁变形指标限值[J].建筑结构学报.2011,42(3):262-270.QI Yongle,HAN Xiaolei,ZHOU Xinxian.Deformation performa Nce Index Limits of RC Beams[J].Journal of Building Structures,2011,42(3):262-270.
[15]FEMA-445.Next Generation Performance Based Seismic Design Guidelines-program for the New and Existing Buildings[S].Washington DC.,Federal Emergency M anagement Agency,2006.
[16]FEMA-356.Prestandard and Commentary for the Seismic Rehabilitation of Buildings[S].Washington DC.,Federal Emergency M anagement Agency,2000.
[17]PRIESTLEY M J N,CALVI G M,Kowalsky M J.Displacement Based Seismic Design of Structures[M].Iuss Press Pavia,Italy,2007.
[18]ASCE/SEI 41-13.Seismic Evaluation and Retrofit of Existing Buildings[S].US:Federal Emergency M anagement Agency,2013.
[19]GRAHAM H P.Modeling for Structural Analysis[M].USA:University of California at Berkeley,2010.
[2]白晓红.钢筋混凝土框排架结构的平扭耦联多维地震反应分析[D].西安建筑科技大学,2008.BAI Xiaohong.M ulti-Dimensional Seismic Response Analysis of the Reinforced Concrete Frame-Bent Structure Considered Lateral-Torsional Coupled[D].College of Civil Engineering Xi'An University of Architecture&Technology,2008.
[3]白国良,白涌滔,李红星,等.大型火电厂分散剪力墙-SRC框排架结构抗震性能试验研究[J].工程力学,2011,28(6):74-80.BAI Guoliang,BAI Yongtao,LI Hongxing et al.Experimental Study on Aseismic Behavior of Scattered Shear Wall-SRC Frame-bent Structure in Large-Scale Thermal Pow er Plant[J].Engineering M echanics,2011,28(6):74-80.
[4]马申.主厂房采用混凝土单跨框-排架结构的抗震设计措施[J].武汉大学学报(工学版),2011,44(10):90-94.M A Shen.Use of Aseismic M easures of Single Span Concrete Structure of Framed Bent in M ain Pow er Buildings[J].Engineering Journal of Wuhan University,2011,44(10):90-94.
[5]戚永乐,万海涛.核岛侧常规岛主厂房山墙抗倒塌能力分析[J].南方能源建设,2014,1(1):70-74.QI Yongle,WAN Haitao.The Capacity of Resisting Collapse of the M ain Pow er Building Gable Nearby Nuclear Island[J].Energy Con Struction,2014,1(1):70-74.
[6]戚永乐.基于材料应变的RC梁、柱及剪力墙构件抗震性能指标限值研究[D].广州:华南理工大学,2012.QI Yongle.Research on Deformation Limits of RC Beams,Columns and Shear Walls Based on M aterial Strain[D].Guangzhou:South China University of Technology,2012.
[7]Computer and Structures Inc.Perform-3D Nonlinear Analysis and Performance Assessment for 3D Structures User Guide[M].Computer and Structures,2006.
[8]Computer and Structures Inc.Perform Components and Elements for Perform-3D and Perform-Collapse[M].Computer and Structures,2006.
[9]DL 5022—2012,火力发电厂土建结构设计技术规定[S].北京;中国建筑工业出版社.2012.DL 5022—2012,Technical Stipulation for the Design of Civil Structure of Thermal Pow er Plant[S].Beijing:China Building Industry Press.2012.
[10]GB 50011—2010,建筑抗震设计规范[S].北京;中国建筑工业出版社.2010.GB 50011—2010,code of aseismic design of buildings[S].Beijing:China Building Industry Press.2010.
[11]QI Yongle,ZHOU Xinxian,XIE Candong.Research on Material damage Limits of RC Components for Performance-Based Seismic Design and Assessment[J].Applied M echanics and M aterials,2013,12(477):1101-1104.
[12]Yongle Qi,Xiaolei Han.Failure Mode Classification of Reinforced Concrete Columns Using Fisher M ethod[J].Journal of Central South University of Technology,2013,10(20):2863-2869.
[13]QI Yongle,ZHOU Xinxian,XIE Candong.Research on Deformation Index Limits of RC Shear Wall Based on M aterial Damage[J].Applied M echanics and M aterials,2014,1(507):322-327.
[14]戚永乐,韩小雷,周新显.钢筋混凝土梁变形指标限值[J].建筑结构学报.2011,42(3):262-270.QI Yongle,HAN Xiaolei,ZHOU Xinxian.Deformation performa Nce Index Limits of RC Beams[J].Journal of Building Structures,2011,42(3):262-270.
[15]FEMA-445.Next Generation Performance Based Seismic Design Guidelines-program for the New and Existing Buildings[S].Washington DC.,Federal Emergency M anagement Agency,2006.
[16]FEMA-356.Prestandard and Commentary for the Seismic Rehabilitation of Buildings[S].Washington DC.,Federal Emergency M anagement Agency,2000.
[17]PRIESTLEY M J N,CALVI G M,Kowalsky M J.Displacement Based Seismic Design of Structures[M].Iuss Press Pavia,Italy,2007.
[18]ASCE/SEI 41-13.Seismic Evaluation and Retrofit of Existing Buildings[S].US:Federal Emergency M anagement Agency,2013.
[19]GRAHAM H P.Modeling for Structural Analysis[M].USA:University of California at Berkeley,2010.
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