核电站反应堆厂房隔震研究
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摘要
对核电站典型CPR1000堆型反应堆厂房应用隔震技术进行了系统的研究.针对反应堆底部的圆形筏基,进行了隔震支座的布置与选型.基于时程分析法,研究了核电站基础隔震效果,并建立了结构内部设备层的楼层反应谱.此外,文章研究了地震波加速度峰值、设备层所处标高及设备阻尼比对楼层反应谱的影响.研究结果表明,应用隔震技术后大大提高了核电站反应堆厂房的抗震安全储备.
This paper systematically investigates the application of base-isolated technology on nuclear power plant reactor structure.Considering the circular raft of reactor structure,isolators are optimized and arranged for nuclear power plant reactor structure herein.Time-history analysis of the isolated nuclear power plant reactor structure is carried out and control effectiveness of base isolation of nuclear power plant reactor structure is evaluated.In addition,the floor response spectrum of the internal equipment in nuclear power plant reactor is set up and thus the floor response spectrum of base-isolated structure and base-fixed structure are compared.The effects of seismic intensity,height of the equipment and damping ratio of isolators to the response spectrum are investigated in this paper.Results show that base isolation technology can significandy increase seismic safety reservation.
This paper systematically investigates the application of base-isolated technology on nuclear power plant reactor structure.Considering the circular raft of reactor structure,isolators are optimized and arranged for nuclear power plant reactor structure herein.Time-history analysis of the isolated nuclear power plant reactor structure is carried out and control effectiveness of base isolation of nuclear power plant reactor structure is evaluated.In addition,the floor response spectrum of the internal equipment in nuclear power plant reactor is set up and thus the floor response spectrum of base-isolated structure and base-fixed structure are compared.The effects of seismic intensity,height of the equipment and damping ratio of isolators to the response spectrum are investigated in this paper.Results show that base isolation technology can significandy increase seismic safety reservation.
引文
[1]周福霖.工程结构减震控制[M].北京:地震出版社,1997.ZHOU F L.Engineering structure vibration control[M].Beijing:Seismological Press,1997.
[2]李冬梅.某核电站安全壳的隔震地震反应分析[D].哈尔滨:哈尔滨工程大学,2007.LI D M.Analysis of a nuclear power plant containment isolation seismic response[D].Harbin;Harbin Engineering University,2007.
[3]曾奔,周福霖.基于功率谱密度函数法的核电厂房增加隔震措施后的楼层反应谱分析[J].核动力工程,2009,30(3):13-16.ZENG B,ZHOU F L.Floor response spectra analysis of nuclear reactor buildings with additional base-isolation measures based on PSDF[J].Nucl Power Engin,2009,30(3):13-16.
[4]曾奔.考虑土-结构相互作用下基础隔震技术在CPR1000型核电厂房中的应用研究[D].西安:西安建筑科技大学,2009.ZENG B.The reserach on application of based-isolated techinque on the reactor building of CPR1000 considering soil-structure interaction[D].Xi'an:Xi'an University of Architecture&Technology,2009.
[5]FRANO R L,FORASASSI G.Isolation systems'influence in the seismic loading propagation analysis applied to an innovative near term reactor[J].Nucl Engin Design,2010,240:3539-3549.
[6]郑志.某核电站安全壳隔震可靠度分析[D].哈尔滨:哈尔滨工业大学,2012.ZHENG Z.Seismic reliability analysis of base-isolated concrete containment in a nuclear power plant[D].Harbin;Harbin Institute of Technology,2012.
[7]王涛,王飞,丁路通.核电站三维隔震技术的理论和试验研究[J].土木工程学报,2012,45(1):238-242.WANG T,WANG F,DING L T.Theoretical and experimental study on three-dimensional base-isolated nuclear power plant[J].China Civil Engin J,2012,45(1):238-242.
[8]朱秀云,潘蓉,李建波.考虑SSI效应的核电站反应堆厂房楼层反应谱分析[J].核技术,2013,36(4):1-8.ZHU X Y,PAN R,LI J B.FRS comparative analysis of the nuclear power plant considering SSI effect[J].Nucl Tech,2013,36(4):1-8.
[9]范世凯.核电站隔震技术研究[D].广州:广州大学,2014.FAN S K.Technology study of base-isolation nuclear power plants[D].Guangzhou:Guangzhou University,2014.
[10]李忠诚,李忠献.大亚湾核电厂反应堆厂房地震响应分析评估[J].核动力工程,2005,26(6):614-617.LI Z C,LI Z X.Analysis and evaluation of seismic response of reactor building for Daya Bay Nuclear Power Plant[J].Nucl Power Engin,2005,26(6):614-617.
[11]CECS126-2001《叠层橡胶支座隔震技术规程》[S].北京:中国工程建设标准化协会,2001.CECS 126-2001 Technical specification for seismic-isolation with laminated rubber bearing isolators[S].Beijing:CECS,2001.
[12]GB 20688.3-2006《橡胶支座第3部分建筑隔震橡胶支座》[S].北京:中国标准出版社,2007.GB 20688.3-2006 Rubber bearing—Part 3:Elastomeric seismic-protection isolation for buildings[S].Beijing:Standards Press of China,2007.
[13]GB 50267-97《核电厂抗震设计规范》[S].北京:中国计划出版社,1998.GB 50267-97 Code for seismic design of nuclear power plants[S].Beijing:China Planning Press,1998.
[2]李冬梅.某核电站安全壳的隔震地震反应分析[D].哈尔滨:哈尔滨工程大学,2007.LI D M.Analysis of a nuclear power plant containment isolation seismic response[D].Harbin;Harbin Engineering University,2007.
[3]曾奔,周福霖.基于功率谱密度函数法的核电厂房增加隔震措施后的楼层反应谱分析[J].核动力工程,2009,30(3):13-16.ZENG B,ZHOU F L.Floor response spectra analysis of nuclear reactor buildings with additional base-isolation measures based on PSDF[J].Nucl Power Engin,2009,30(3):13-16.
[4]曾奔.考虑土-结构相互作用下基础隔震技术在CPR1000型核电厂房中的应用研究[D].西安:西安建筑科技大学,2009.ZENG B.The reserach on application of based-isolated techinque on the reactor building of CPR1000 considering soil-structure interaction[D].Xi'an:Xi'an University of Architecture&Technology,2009.
[5]FRANO R L,FORASASSI G.Isolation systems'influence in the seismic loading propagation analysis applied to an innovative near term reactor[J].Nucl Engin Design,2010,240:3539-3549.
[6]郑志.某核电站安全壳隔震可靠度分析[D].哈尔滨:哈尔滨工业大学,2012.ZHENG Z.Seismic reliability analysis of base-isolated concrete containment in a nuclear power plant[D].Harbin;Harbin Institute of Technology,2012.
[7]王涛,王飞,丁路通.核电站三维隔震技术的理论和试验研究[J].土木工程学报,2012,45(1):238-242.WANG T,WANG F,DING L T.Theoretical and experimental study on three-dimensional base-isolated nuclear power plant[J].China Civil Engin J,2012,45(1):238-242.
[8]朱秀云,潘蓉,李建波.考虑SSI效应的核电站反应堆厂房楼层反应谱分析[J].核技术,2013,36(4):1-8.ZHU X Y,PAN R,LI J B.FRS comparative analysis of the nuclear power plant considering SSI effect[J].Nucl Tech,2013,36(4):1-8.
[9]范世凯.核电站隔震技术研究[D].广州:广州大学,2014.FAN S K.Technology study of base-isolation nuclear power plants[D].Guangzhou:Guangzhou University,2014.
[10]李忠诚,李忠献.大亚湾核电厂反应堆厂房地震响应分析评估[J].核动力工程,2005,26(6):614-617.LI Z C,LI Z X.Analysis and evaluation of seismic response of reactor building for Daya Bay Nuclear Power Plant[J].Nucl Power Engin,2005,26(6):614-617.
[11]CECS126-2001《叠层橡胶支座隔震技术规程》[S].北京:中国工程建设标准化协会,2001.CECS 126-2001 Technical specification for seismic-isolation with laminated rubber bearing isolators[S].Beijing:CECS,2001.
[12]GB 20688.3-2006《橡胶支座第3部分建筑隔震橡胶支座》[S].北京:中国标准出版社,2007.GB 20688.3-2006 Rubber bearing—Part 3:Elastomeric seismic-protection isolation for buildings[S].Beijing:Standards Press of China,2007.
[13]GB 50267-97《核电厂抗震设计规范》[S].北京:中国计划出版社,1998.GB 50267-97 Code for seismic design of nuclear power plants[S].Beijing:China Planning Press,1998.
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