型钢混凝土低矮剪力墙抗震性能试验研究
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摘要
剪力墙构件是现代高层建筑结构中的主要抗侧向力构件。为了对比型钢桁架混凝土组合低矮剪力墙与型钢框架混凝土组合低矮剪力墙以及普通钢筋混凝土低矮剪力墙在地震作用下的抗震性能,本文进行了四榀1/4缩尺模型的低矮混凝土剪力墙在单调和低周反复荷载作用下的对比试验,其中单调加载试验包括一榀内置型钢桁架的型钢混凝土组合低矮剪力墙,反复加载试验包括一榀普通钢筋混凝土低矮剪力墙、一榀内置型钢框架的型钢混凝土低矮剪力墙和一榀内置型钢桁架的型钢混凝土低矮剪力墙,给出了各试件的刚度、承载力、变形、延性和破坏形态等试验结果,并对其进行分析。试验结果表明,在这三种墙体中,型钢桁架混凝土组合低矮剪力墙的承载力、变形能力、耗能能力较其他类型剪力墙好,并为型钢桁架混凝土组合低矮剪力墙在实际中的应用提供了试验依据。
Shear wall element is an important element to resist the lateral load,however,the research on the shearwall embedded with steel shapes is not detailed yet.To analyze the difference of the seismic behavior among the threekinds of shear walls,namely steel reinforced concrete truss shear wall,steel reinforced concrete frame shear wall andcommon reinforced concrete shear wall,we performed monotonic and cyclic lateral load test on four 1/4 scaled low-rise concrete shear wall specimens,including one piece of common steel reinforced concrete shear wall,one pieceof concrete shear wall embedded with steel shape frame and two pieces of concrete shear wall embedded with steelshape truss,and analyzed their stiffness,load-bearing capacity and failure mode.The results indicate that amongthese three kinds of elements,the concrete shear wall embedded with steel shape truss possesses greater strength,ductility and energy dissipation than the other two.
Shear wall element is an important element to resist the lateral load,however,the research on the shearwall embedded with steel shapes is not detailed yet.To analyze the difference of the seismic behavior among the threekinds of shear walls,namely steel reinforced concrete truss shear wall,steel reinforced concrete frame shear wall andcommon reinforced concrete shear wall,we performed monotonic and cyclic lateral load test on four 1/4 scaled low-rise concrete shear wall specimens,including one piece of common steel reinforced concrete shear wall,one pieceof concrete shear wall embedded with steel shape frame and two pieces of concrete shear wall embedded with steelshape truss,and analyzed their stiffness,load-bearing capacity and failure mode.The results indicate that amongthese three kinds of elements,the concrete shear wall embedded with steel shape truss possesses greater strength,ductility and energy dissipation than the other two.
引文
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[10]曹万林,杨兴民,黄选明,等.带钢筋及钢骨暗支撑剪力墙抗震性能试验研究[J].地震工程与工程振动,2005,21(1):1-6.
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[2]杨勇,郭子雄,聂建国.型钢混凝土竖向混合结构过渡层抗震性能研究综述[J].工程抗震与加固改造,2006,28(10):78-86.
[3]YB 9082-97钢骨混凝土结构设计规程[S].北京:冶金工业出版社,1998.
[4]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,2002.
[5]方鄂华,叶列平.钢骨混凝土剪力墙设计[J].建筑结构,1999(12):57-59.
[6]刘维亚.型钢混凝土组合结构构造与计算手册[M].北京:中国建筑工业出版社,2004.
[7]JGJ 101-96建筑抗震试验方法规程[S].北京:中国建筑工业出版社,1997.
[8]GB 50010-2002混凝土结构设计规范[S].北京:中国建筑工业出版社,2002.
[9]黄雄军,赵世春.带劲性钢筋混凝土边框低剪力墙的试验研究[J].西南交通大学学报,1998,34(5):535-539.
[10]曹万林,杨兴民,黄选明,等.带钢筋及钢骨暗支撑剪力墙抗震性能试验研究[J].地震工程与工程振动,2005,21(1):1-6.
[11]李一松.型钢混凝土剪力墙抗震性能试验研究[D].上海:同济大学,2007.
[12]曹万林,张建伟,田宝发,等.带暗支撑低矮剪力墙抗震性能试验及承载力计算[J].土木工程学报,2004,37(3):44-51.
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