一种可用于预制装配式混凝土框架结构的软钢阻尼器A new type of mild steel damper for the construction of precast concrete frame
李定斌;吴从晓;黄良辉;吴从永;徐昕;
摘要(Abstract):
针对普通预制装配式混凝土框架结构抗震性能差,节点施工复杂等问题,提出了新型预制装配式混凝土框架金属消能减震连接体系。为进一步提升该体系的抗震性能,根据体系中金属阻尼器的受力特点开发了一种弯曲型金属阻尼器——双弯曲板阻尼器,阐明了其构造特点和耗能原理。采用有限元分析软件对加装双弯曲板阻尼器的预制装配式混凝土框架构件进行了仿真分析,结果表明:双弯曲板阻尼器构造合理,耗能效率高,且可满足结构的承载力需求;提高了装配式混凝土框架的节点耗能能力和延性;改善了装配式混凝土框架结构的整体性和抗震性能。双弯曲板阻尼器是一种适用于该体系且具有消能-承载双功能的消能装置。
关键词(KeyWords): 预制装配式混凝土框架;金属消能器;抗震性能;有限元分析
基金项目(Foundation): 国家自然科学基金资助项目(51208128,51578165);; 广州市珠江科技新星专项(1517000272);; 广州市属高校科研项目(1201630171);; 广州大学研究生创新资助计划项目(2017GDJC-M39)
作者(Author): 李定斌;吴从晓;黄良辉;吴从永;徐昕;
Email:
DOI:
参考文献(References):
- [1]翁大根,王姝,任晓崧,等.消能减震加固措施在多层装配式框架中的应用[J].四川建筑科学研究,2007,33(S1):31-36.WENG Dagen,WANG Shu,REN Xiaosong,et al.Application of energy dissipation technology in prefabricated reinforced concrete frame for seismic retrofit[J].Sichuan Building Science,2007,33(S1):31-36.(in Chinese)
- [2]刘猛.新型铅阻尼器与预应力装配式框架节点抗震性能研究[D].北京:北京工业大学,2008.LIU Meng.Study of new lead dampers and seismic behavior of prestress assembling beam-column connections[D].Beijing:Beijing University of Technology,2008.(in Chinese)
- [3]吴从晓,周云,张超,等.布置阻尼器的现浇与预制装配式框架梁柱组合体抗震性能试验研究[J].建筑结构学报,2015,36(6):61-68.WU Congxiao,ZHOU Yun,ZHANG Chao,et al.Experimental study on seismic performance of beam-column subassembly between cast-in-situ and precast frame structure with dampers[J].Journal of Building Structures,2015,36(6):61-68.(in Chinese)
- [4]吴从晓,赖伟山,周云,等.新型预制装配式消能减震混凝土框架节点抗震性能试验研究[J].土木工程学报,2015,48(9):23-30.WU Congxiao,LAI Weishan,ZHOU Yun,et al.Ex- perimental study on seismic behaviors of new energy dissipative prefabricated concrete frame structure joints[J].China Civil Engineering Journal,2015,48(9):23-30.(in Chinese)
- [5]吴从晓,黄臻,邓雪松,等.二层二跨预制装配式和现浇混凝土框架消能减震框架结构抗震性能对比[J].应用基础与工程科学学报,2017,25(1):149-161.WU Congxiao,HUANG Zhen,DENG Xuesong,et al.Seismic performance between cast-in-situ and precast two-story-double-span energy dissipation frame structure[J].Journal of Basic Science and Engineering,2017,25(1):149-161.(in Chinese)
- [6]吴从晓,徐昕,周云,等.扇形铅黏弹性阻尼器恢复力模型及设计方法研究[J].振动与冲击,2015,34(12):18-22.WU Congxiao,XU Xin,ZHOU Yun,et al.Restoring force model and design method of sector lead viscoelastic damper[J].Journal of Vibration and Shock,2015,34(12):18-22.(in Chinese)
- [7]韩建强,裴亚晖,徐国强,等.附加阻尼器的预应力装配式节点抗震性能试验研究[J].结构工程师,2015,31(6):152-157.HAN Jianqiang,PEI Yahui,XU Guoqiang,et al.Experimental study on seismic performance of assembled prestressed concrete structure beam-column joints with dampers[J].Structure Engineers,2015,31(6):152-157.(in Chinese)
- [8]韩建强,裴亚辉,杨娜,等.附加阻尼器的预应力装配框架节点试验研究[J].建筑结构,2015,45(12):61-64.HAN Jianqiang,PEI Yahui,YANG Na,et al.Experimental study on the node of prestressed assembly frame with additional dampers[J].Building Structure,2015,45(12):61-64.(in Chinese)
- [9]付焕昌,吴从晓,张玉凤,等.预制装配式混凝土框架结构金属消能减震连接体系抗震性能分析研究[J].工程抗震与加固改造,2016,38(1):89-97.FU Huanchang,WU Congxiao,ZHANG Yufeng,et al.Seismic performance study on connection system of prefabricated concrete structure with metalic damper[J].Earthquake Resistant Engineering and Retrofitting,2016,38(1):89-97.(in Chinese)