某保护性建筑隔震加固技术研究
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摘要
济南宏济堂,是一座具有历史价值的建筑,主体为砖木结构,采用基础隔震技术进行抗震加固,隔震层采用并联复合隔震支座。对该工程采用等效侧力法和空间模型时程分析,并与叠层钢板橡胶支座隔震形式,非隔震形式进行对比。结果表明,该结构在多遇地震作用下保持稳定,实现了"大震不坏"的设防目标;同时工程造价更经济。研究工作较为充分地证明了隔震技术在该工程中的使用是合适的。
Jinan Hongjitang is a historic building.The main structure is the brick and wood construction.This historic structure is retrofitted by using base-isolated technology,and the parallel composite isolators are used in seismic isolation layer.The results of seismic response of this building is computed by the equivalent lateral force method and the time-history analysis of three-dimensional model for this structure is completed,and compared with the laminated rubbing isolation,non-isolation.The results show that the structure keeps stable under frequently occurred earthquake and can satisfy the objective of undamaged under rarely occurred earthquake,and the engineering cost is greatly reduced.It shows that it's convenient to use base-isolation in this structure.
Jinan Hongjitang is a historic building.The main structure is the brick and wood construction.This historic structure is retrofitted by using base-isolated technology,and the parallel composite isolators are used in seismic isolation layer.The results of seismic response of this building is computed by the equivalent lateral force method and the time-history analysis of three-dimensional model for this structure is completed,and compared with the laminated rubbing isolation,non-isolation.The results show that the structure keeps stable under frequently occurred earthquake and can satisfy the objective of undamaged under rarely occurred earthquake,and the engineering cost is greatly reduced.It shows that it's convenient to use base-isolation in this structure.
引文
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[10]CECS 126:2001,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,2001CECS 126:2001,Technical Specification for Seismic-isolation with Laminated Rubber Bearing Isolators[S].Beijing:China Association for Engineering ConstructionStandardization,2001(in Chinese)
[11]Anoop S.Mokha,Navinchandra Amin,Michael C.Constantinou,Victor Zayas.Seismic Isolation Retrofit ofLarge Historic Building[J].Structural Engineering,1996,12(3):298~308
[2]杨树标.砌体并联复合隔震体系的隔震性能研究[J].工业建筑,2000,30(12):15~17Yang Shu-biao.Study on isolation performance of parallelcomposite isolation in bricking-structure[J].IndustrialConstruction,2000,30(12):15~17(in Chinese)
[3]朱玉华,吕西林.组合基础隔震系统地震反应分析[J].土木工程学报,2004,37(4):76~81Zhu Yu-hua,LüXi-lin.Analysis of the seismic response ofthe combined isolation system[J].China Civil EngineeringJournal,2004,37(4):76~81(in Chinese)
[4]GB5037-2005,历史文化名城保护规划规范[S].北京:中国建筑工业出版社,2005GB5037-2005,Code of Conservation Planning for HistoricCities[S].Beijing:China Architecture&Building Press,2005(in Chinese)
[5]朱凯,李爱群,李延和.南京民国建筑抗震性能鉴定与安全性评价[J].常州工学院学报,2005.18Zhu Kai,Li Ai-qin,Li Yan-he.The Seisimc APPraiser andSafety Evaiuation of Buildings Constructed in the Period ofthe Republic of China in Nanjing[J].Journal of ChangzhouInstitute of Technology,2005.18.suppl.7~12(in Chinese)
[6]GB50011-2001,建筑抗震设计规范[S].北京:中国建筑工业出版社,2001GB50011-2001,Code for Seismic Design of Buildings[S].Beijing:China Architecture&Building Press,2001(inChinese)
[7]日本建筑学会.隔震结构设计[M].北京.地震出版社,2006.03Architectural Institute of Japan.Recommendation for theDesign of Base Isolation Buildings[M].Beijing:ChinaSeismic Publishing House,2006.3(in Chinese)
[8]Computers and Structure Inc.SAP2000 analysis reference[M].2004
[9]徐忠根,周福霖,等.多层建筑隔震改造设计[J].地震工程与工程振动,2001,21(3)Xu Zhong-gen,Xie J L,Zhou F L,et al.Isolationretrofitting design of a multi-story building[J].EarthquakeEngineering and Engeering Vibration,2001,21(3):132~139(in Chinese)
[10]CECS 126:2001,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,2001CECS 126:2001,Technical Specification for Seismic-isolation with Laminated Rubber Bearing Isolators[S].Beijing:China Association for Engineering ConstructionStandardization,2001(in Chinese)
[11]Anoop S.Mokha,Navinchandra Amin,Michael C.Constantinou,Victor Zayas.Seismic Isolation Retrofit ofLarge Historic Building[J].Structural Engineering,1996,12(3):298~308
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