框架-密肋耗能复合墙结构与框架填充墙结构抗震性能的对比分析
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摘要
用密肋耗能复合墙取代传统的砖墙作为框架结构中的填充墙,形成框架-密肋耗能复合墙结构.通过建立简化的刚架-整体斜压杆模型,运用静力弹塑性分析方法对框架-耗能复合墙结构与框架填充墙结构在周期、层间位移角、局部变形等几方面进行对比分析.计算结果表明,耗能复合墙通过优化设计即可调整抗侧刚度并能有效耗散地震能量,在中高地震烈度区以密肋耗能复合墙代替砖填充墙后,结构的抗震性能明显优于普通框架-砖填充墙结构.
A new structural system called frame-multi-ribbed composite wall structure is generated by using the multi-ribbed composite wall as the infilled wall in frame structure to replace the traditional infilled wall.The equivalent oblique compression bar model,suitable for multi-ribbed composite wall,is established for static elastoplastic analysis.Compared with the infilled wall,the calculating result of the static elastoplastic analysis for multi-ribbed composite wall on natural period,story drift angle,localized deformation shows that such this kind of wall can raise the lateral stiffness of the structure and dissipate the earthquake energy.The seismic performance of frame-multi-ribbed composite wall structure is much better than the infilled frame structure,especially on area with middle-high earthquake intensity.
A new structural system called frame-multi-ribbed composite wall structure is generated by using the multi-ribbed composite wall as the infilled wall in frame structure to replace the traditional infilled wall.The equivalent oblique compression bar model,suitable for multi-ribbed composite wall,is established for static elastoplastic analysis.Compared with the infilled wall,the calculating result of the static elastoplastic analysis for multi-ribbed composite wall on natural period,story drift angle,localized deformation shows that such this kind of wall can raise the lateral stiffness of the structure and dissipate the earthquake energy.The seismic performance of frame-multi-ribbed composite wall structure is much better than the infilled frame structure,especially on area with middle-high earthquake intensity.
引文
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[12]GB50011-2001,建筑抗震设计规范[S].北京:中国建筑工业出版社,2001.GB50011-2001,Code for seismic design of buildings[S].Beijing:China Architecture&Building Press,2001.
[2]王旋,李碧雄.汶川地震中填充墙钢筋混凝土框架结构抗震性能思考[J].工业建筑,2009,39(1):26-27.WANG Xuan,LI Bixiong.Reflect on the seismic propertyof the R.C.Frame with infill walls during Wenchuanearthquake[J].Industrial Construction,2009,39(1):26-27.(in Chinese)
[3]姚谦峰,陈平.密肋壁板轻框架结构节能住宅体系研究[J].工业建筑,2003,33(1):1-5.YAO Qianfeng,CHEN Ping.Study on energy-saving resi-dential system of multi-ribbed wall slab with light-weightouter frame[J].Industrial Construction,2003,33(1):1-5.(in Chinese)
[4]郭猛,姚谦峰.框架-密肋复合墙结构新体系研究[J].地震工程与工程振动,2009,29(5):73-74.GUO Meng,YAO Qianfeng.Research on frame-multi-ribbed composite wall structure new system[J].Journal ofEarthquake Engineering and Engineering Vibration,2009,29(5):73-74.(in Chinese)
[5]赵冬,陈平.密肋壁板轻框结构有限元分析[J].西安建筑科技大学学报:自然科学版,2002,34(1):2-3.ZHAO Dong,CHEN Ping.Limited element analyses onthe multi-rib wall-panel light-weight frame structure[J].Journal of Xi’an University of Architecture and Technolo-gy:Natural Science Edition,2002,34(1):2-3.(in Chi-nese)
[6]李振刚.密肋壁板轻框结构受力性能分析及计算方法研究[D].西安:西安建筑科技大学,2002.LI Zhengang.Mechanical characteristic and calculationmethods for structure of multi ribbed wall slab with light-weight outer frame[D].Xi’an:Xi’an University of Archi-tecture and Technology,2002.(in Chinese)
[7]黄炜.密肋复合墙体抗震性能及设计理论研究[D].西安:西安建筑科技大学,2004.HUANG Wei.Research of seismic performance and designtheory of multi-ribbed slab wall[D].Xi’an:Xi’an Univer-sity of Architecture and Technology,2004.(in Chinese)
[8]张亮,姚谦峰.密肋复合墙体有效面内剪切模量的计算[J].工业建筑,2008,38(1):26-27.ZHANG Liang,YAO Qianfeng.Research on an equivalentmatrix-inclusion composite slab model for a multi-ribbedslab wall[J].Industrial Construction,2008,38(1):26-27.(in Chinese)
[9]李英民,韩军,田启祥,等.填充墙对框架结构抗震性能的影响[J].地震工程与工程振动,2009,29(3):51-58.LI Yingmin,HAN Jun,TIAN Qixiang,et al.Study on in-fluence of infilled walls on seismic performance of RC framestructures[J].Journal of Earthquake Engineering and En-gineering Vibration,2009,29(3):51-58.(in Chinese)
[10]北京金土木软件技术有限公司.SAP2000中文版使用指南[M].北京:人民交通出版社,2006:459.Beijing Civil King Software Technology Co.Ltd.Instruc-tion manual of sap2000[M].Beijing:China Communica-tions Press,2006:459.(in Chinese)
[11]Ayala D D,Worth J,Riddle O.Realistic shear capacityassessment of infill frames:Comparison of two numericalprocedures[J].Engineering Structures,2009(31):1745-1761.
[12]GB50011-2001,建筑抗震设计规范[S].北京:中国建筑工业出版社,2001.GB50011-2001,Code for seismic design of buildings[S].Beijing:China Architecture&Building Press,2001.
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