U型钢条连接剪力墙和连梁的力学性能研究  

Study on Mechanical Behavior of Shear Walls and Coupling Beams by U-shaped Steel Bars

作　　者：李明[1] 谢可可 吴潜[1] 付春[1,2] 梁奇才 LI Ming;XIE Keke;WU Qian;FU Chun;LIANG Qicai(School of Civil Engineering,Shenyang Jianzhu University,Shenyang,China,110168;School of Civil Engineering,Liaoning Shihua University,Fushun,China,113001)

机构地区：[1]沈阳建筑大学土木工程学院,辽宁沈阳110168 [2]辽宁石油化工大学土木工程学院,辽宁抚顺113001

出　　处：《沈阳建筑大学学报（自然科学版）》2022年第3期436-443,共8页Journal of Shenyang Jianzhu University：Natural Science

基　　金：国家自然科学基金项目(51978422);辽宁省教育厅面上项目(LJKZ0561);住房和城乡建设部科技攻关项目(2019-K-080)。

摘　　要：目的研究U型钢条连接剪力墙与连梁的力学性能,为此类节点设计提供参考。方法基于ABAQUS模拟新型连接构件的受力性能,对比分析模拟结果,研究灌浆料强度、槽型钢板屈服强度、厚度等因素对该新型连接构件力学性能的影响。结果与现浇构件对比,该新型连接构件的承载能力更高,耗能能力更好;构件主要在U型钢条处破坏,可充分利用各材料的性能;灌浆料强度、钢套箍宽度对骨架曲线影响很小;增加U型钢条个数或在一定范围内增大槽型钢板厚度、屈服强度可提高新型连接构件的承载力,降低延性和耗能能力,但降低后仍可满足设计要求。结论U型钢条连接剪力墙和连梁具有可行性,设计时可优先调整U型钢条个数,其次是槽钢板厚度和屈服强度,而灌浆料强度和钢套箍宽度只需满足最小值要求。To offer a reference for the design of shear wall and coupling beam connected by U-Shaped steel bar(SCU),the mechanical properties was studied.The load process of SCU and a cast-in-situ member was simulated by ABAQUS,and the feasibility of SCU was discussed by comparing the simulation result from them.The mechanical influencing factors on them is also analyzed,including the grouting material strength,the thickness and yield strength of steel groove plate etc.The results show that SCU has higher bearing capacity and better energy consumption than the cast-in-site one.The test piece is mainly damaged in the U-shaped steel bar strip,and has the ability to fully utilize the performance of various materials.The strength of grouting material and the width of steel hoop has little effect on the skeleton curves,and the bearing capacity of SCU can be improved by increasing the number of U-shaped steel bars or the thickness and the yield strength of the groove steel plate in a certain range,which will also make the ductile and energy dissipation capacity declined.But the declined ones can also satisfy the requirement of design.It can be concluded that SCU has good mechanical properties.In the design of it,it can be adjusted for the number of U-shaped steel bar firstly,then the thickness and the yield strength of the groove steel plate.As for the grouting strength and the steel hoop width,it will be satisfied only when they meet the minimum requirements.

关 键 词：剪力墙 连梁 U型钢条 骨架曲线 影响因素 

分 类 号：TU391[建筑科学—结构工程]