【摘要】 型钢混凝土边框柱复合墙体具有承载力高、抗震性能好的特点,适用于中高层结构。为研究这种结构形式的抗震性能,本文设计了高宽比为1:1、模型比例为1/2及高宽比分别为2:1与3:1、模型比例为1/3型钢混凝土边框柱密肋复合墙体试件,并进行拟静力试验。根据试验结果,分析了型钢混凝土边框柱密肋复合墙体的受力特点、破坏形态、承载能力、延性、耗能以及变形等抗震性能。分析结果表明:型钢混凝土边框柱的破坏过程与普通密肋复合墙体相似;相同条件下,其承载力、延性及耗能能力都明显好于普通复合墙体;边框柱中加入型钢后,该结构体系的抗震性能得到明显提高;随着高宽比的增加,该结构的承载力减小,但延性、耗能增加,型钢的有利作用更加明显。更多还原

【Abstract】 Multi-ribbed composite wall with steel reinforcement concrete frame column(SCMRCW) is characterized by high bearing capacity and good seismic behavior,and it is the same with moderate-high storied structure.To show the seismic behavior of SCMRCW,we designed a 1/2 scaleed SCMRCW with 1:1 height-width ratio and two 1/3 scaleed SCMRCW with 2:1 and 3:1 height-width ratio,and carried out low frequency cyclic and reversed lateral load tests.We studied mechanical character,failure mode,bearing capacity,ductility,energy dissipation ability and deformation behavior etc..The result indicates that the failure process of SCMRCW is similar to MRCW,but the bearing capacity,ductility and energy dissipation ability of SCMRCW is better than that of MRCW.The seismic behavior of the structure is enhanced apparently,when the steel reinforcement concrete frame column is set in MRCW,and the bearing capacity of SCMRCW is reduced with the increasing of height-width ratio,but ductility and energy dissipation ability are increased,and the advantage of shaped steel is obvious.更多还原