核芯型钢混凝土(CSRC)结构应用前景及抗震性能分析
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摘要
核芯型钢混凝土(CSRC)结构体系是型钢混凝土(SRC)结构和核芯钢管混凝土结构的发展,相对普通钢筋混凝土框架结构体系具有较好的抗震性能,并可与短肢剪力墙结构和异形柱结构体系相结合,形成核芯型钢混凝土短肢剪力墙和核芯型钢异形柱结构体系。核芯型钢混凝土(CSRC)结构体系能有效实现小高层住宅和办公楼的建筑、结构、经济三者的合理协调,在小高层住宅结构和办公楼结构中体现出较好的性能优势和经济效益,具有较好的应用推广前景。文章对核芯型钢混凝土结构体系的应用前景、性能特点、目前国内外的应用和研究现状以及该结构体系目前存在的主要问题进行了综合分析,并结合工程设计实例提出了核芯型钢混凝土结构体系抗震设计的设计思路,文章可为核芯型钢混凝土结构应用推广和研究开展提供有益参考。
CSRC(Core Steel Reinforced Concrete)structure was a new type structure form developed from SRC(Steel Reinforced Concrete)structure and core CFST(concrete filled steel concrete)structure,which had advantages on earthquake resistant behaviour to RC frame structures.Compared with the structures form of short-leg shear wall and the structures form of special-shaped column,the structures form of CSRC short-leg shear wall and the structures form of CSRC special-shaped column could be adopted in the middle high-rise apartment and office buildings,which had advantages both on structure safety and architecture function at relative low cost,hence the CSRC structures had wider prospect on the apartment and office building with height at about 20～30 stories.This paper firstly analysed the application prospect,the problems and the behaviours of CSRC structures in detail,and together with two practical seismic design example of CSRC structure,some methods and advices on seismic design of CSRC structures were presented finally.
CSRC(Core Steel Reinforced Concrete)structure was a new type structure form developed from SRC(Steel Reinforced Concrete)structure and core CFST(concrete filled steel concrete)structure,which had advantages on earthquake resistant behaviour to RC frame structures.Compared with the structures form of short-leg shear wall and the structures form of special-shaped column,the structures form of CSRC short-leg shear wall and the structures form of CSRC special-shaped column could be adopted in the middle high-rise apartment and office buildings,which had advantages both on structure safety and architecture function at relative low cost,hence the CSRC structures had wider prospect on the apartment and office building with height at about 20～30 stories.This paper firstly analysed the application prospect,the problems and the behaviours of CSRC structures in detail,and together with two practical seismic design example of CSRC structure,some methods and advices on seismic design of CSRC structures were presented finally.
引文
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[11]Hammi Yashiro,Yasuo Tanaka,et al.Seismic upgrade forreinforced concrete columns by strengthing the crosssectional centre[A].Proc.12th World Conf.on EarthquakeEngineering[C].Sydney 2000.
[12]Toshio Nagashima and Katsuki Takiguchi.Seismic strength ofsmall size steel encased reinforced concrete columns withhigh strength materials[A].Proc.11 th World Conf.onEarthquake Engineering[C].Mexico,1996.
[13]Junichi sakai,Chiaki Matsui,and Kouichi Minami.Earthquake resistant properties of core steel compositestructures[A].Proceedings of 12th World Conf.onEarthquake Engineering[C].Sydney,2000.
[14]Mizuo Inukai,Kazuya Noguchi,Masaomi Teshigawara etc.al.Seismic design of composite columns using core steelunder varying axial load[A].Proceedings of 13th WorldConf.on Earthquake Engineering[C].Vancouver,B.C,2004.
[15]胡聿贤,周锡元.地震工程的跨世纪发展趋势[J].工程抗震,1999,(1):3~9.
[2]叶列平,方鄂华.钢骨混凝土构件受力性能研究综述[J].土木工程学报,2000,(5):1~11.
[3]钟善桐.高层钢-混凝土组合结构[M].广州:华南理工大学出版社,2003.
[4]范重,钱稼茹,吴学敏.核芯配筋柱抗震性能试验研究[J].土木工程学报,2001,(1):14~19.
[5]赵国藩,张德娟,黄承逵.钢管混凝土增强高强混凝土柱的抗震性能研究[J].大连理工大学学报,1996,(6):759~766.
[6]林拥军,程文襄,徐明,左江.配有圆钢管的钢骨混凝土柱轴压比限值的试验研究[J].土木工程学报,2001,(6):23~28.
[7]YBJ 9082-97,钢骨混凝土结构设计规程[S].北京:冶金工业出版社,1998.
[8]JGJ 138-2001,型钢混凝土组合结构技术规程[S].北京:中国建筑工业出版社,2001.
[9]Yasuo Tanaka,Younggon Ro,et al.Strengthing of Reinforcedconcrete columns by central reinforcing element[A].Proc.11 th World Conf.on Earthquake Engineering[C].Mexico,1996.
[10]Yasuo Tanaka,Y Kaneko,Hammi Yashiro,Younggon Ro,etal.Hybrid steel reinforced concrete structure:Strengthing ofReinforced concrete columns by central reinforcing steelelement[A].Proc.12th World Conf.on EarthquakeEngineering[C].Sydney 2000.
[11]Hammi Yashiro,Yasuo Tanaka,et al.Seismic upgrade forreinforced concrete columns by strengthing the crosssectional centre[A].Proc.12th World Conf.on EarthquakeEngineering[C].Sydney 2000.
[12]Toshio Nagashima and Katsuki Takiguchi.Seismic strength ofsmall size steel encased reinforced concrete columns withhigh strength materials[A].Proc.11 th World Conf.onEarthquake Engineering[C].Mexico,1996.
[13]Junichi sakai,Chiaki Matsui,and Kouichi Minami.Earthquake resistant properties of core steel compositestructures[A].Proceedings of 12th World Conf.onEarthquake Engineering[C].Sydney,2000.
[14]Mizuo Inukai,Kazuya Noguchi,Masaomi Teshigawara etc.al.Seismic design of composite columns using core steelunder varying axial load[A].Proceedings of 13th WorldConf.on Earthquake Engineering[C].Vancouver,B.C,2004.
[15]胡聿贤,周锡元.地震工程的跨世纪发展趋势[J].工程抗震,1999,(1):3~9.
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