大吨位城市高架桥梁减隔震设计新思路  

New Idea of Seismic Isolation Design for LargeTonnage Urban Viaduct Bridge

作　　者：周涛 ZHOU Tao(Shanghai Municipal Traffic Design Institute Co.,Ltd.,Shanghai 200030,China)

机构地区：[1]上海市政交通设计研究院有限公司,上海200030

出　　处：《中国市政工程》2018年第2期111-112,116,137,共3页China Municipal Engineering

摘　　要：减隔震技术能有效减轻地震作用,目前在城市高架桥梁抗震设计中应用广泛。针对大吨位城市高架桥梁,提出改进减隔震设计思路。与目前设计院采用较多的抗震设计思路相比,在工程建设阶段,具有较好的技术性和经济性。Seismic isolation technology can effectively mitigate earthquake action,and is widely applied in seismic design of urban viaducts.In view of the large tonnage of urban viaducts,the idea of improving the seismic isolation design is proposed.Compared with the more seismic design ideas used by some design institutes at present,it has good economic effect in the stage of engineering construction.

关 键 词：抗震体系 减隔震 摩擦摆减隔震支座 

分 类 号：U442.55[建筑科学—桥梁与隧道工程]