减隔震在城市桥梁设计中的应用分析

Application analysis of seismic isolation design in urban bridges

总结了桥梁减隔震的技术原理和基本类型,综述了减隔震技术在桥梁设计中的应用现状,说明了支座减隔震设计方法对于桥梁抗震安全性的重要性,特别适用于中小跨径桥梁结构。最后,进一步分析了城市桥梁的减隔震设计方法,需要重点建立支座减隔震系统,保障抗震安全性。

The technique principles and basic types of seismic isolation design of bridges are first summarized. The practical situations of seismic isolation technologies in bridge design is reviewed,and highlight the importance of bearing isolation design to the seismic safety of bridges,especially for short and medium span bridges. Finally,the seismic isolation design methods of urban bridges are explained,which put light on the establishment of bearing isolation systems to ensure seismic safety.