实例分析减隔震技术在桥梁结构设计中的应用

THE APPLICATION OF VIBRATION REDUCTION AND ISOLATION TECHNOLOGY IN BRIDGE STRUCTURE DESIGN IS ANALYZED WITH EXAMPLES

以某特大桥梁工程为研究实例,对桥梁结构设计中的减隔震技术应用原理和应用优势进行分析,结合工程概况与施工地质环境等因素条件,深入阐述桥梁结构减隔震技术应用的设计流程和基本条件,提出桥梁结构减隔震设计中的整体设计架构和细节设计内容,并在本工程实例基础上对比分析几种不同的减隔震设计方案,通过对比分析确定摩擦摆隔装置在本工程减震设计中能够发挥最佳效果,并指出桥梁工程减隔震设计的注意事项内容,以期为桥梁结构中减隔震技术应用提供参考。

Taking a large bridge project as an example,this paper analyzes the application principle and advantages of the seismic isolation technology in the design of bridge structure,expounds the design process and basic conditions of the application of the seismic isolation technology in bridge structure combined with the general situation of the project and construction geological environment and other factors,and puts forward the overall design framework and details of the design of the seismic isolation design of bridge structure.On the basis of this engineering example,several different design schemes of vibration isolation are compared and analyzed.Through the comparative analysis,it is determined that the friction pendulum isolation device can play the best effect in the design of vibration isolation in this engineering,and points out the contents of the matters for attention in the design of vibration isolation in bridge engineering,in order to provide reference for the application of vibration isolation technology in bridge structure.