无支座自复位桥梁研究与应用  

Research and Application of Self-centering Bridge without Bearing

作　　者：张骐 何维利 韩强[3] 林轲 肖永铭 贾俊峰[3] 刘峰 李智 Zhang Qi;He Weili;Han Qiang;Lin Ke;Xiao Yongming;Jia Junfeng;Liu Feng;Li Zhi(Beijing Capital Highway Development Group Co.,Ltd.,Beijing,100053;Beijing General Municipal Engineering Design&Research Institute Co.,Ltd.,Beijing,100082;Beijing University of Technology.Beijing,100124)

机构地区：[1]北京市首都公路发展集团有限公司,北京100082 [2]北京市市政工程设计研究总院有限公司,北京100082 [3]北京工业大学城市与工程安全减灾教育部重点实验室,北京100053

出　　处：《建设科技》2020年第10期69-71,共3页Construction Science and Technology

摘　　要：本项目研发了一种无支座自复位桥梁结构体系,提出了无支座自复位桥墩抗震结构及构造,开展了理论分析和模型试验,建立了无支座自复位桥梁设计标准及其基于位移的抗震设计理论和方法,完善和发展了桥梁抗震设计理论,并在京台高速黄徐路分离式立交桥中完成了我国首座无支座自复位桥梁实桥应用。无支座自复位桥梁的研究与应用,从性能上保证了桥梁结构抗震安全,具有重要的社会价值和广泛的社会效益。In this project,a non-bearing self-centering bridge system was developed,and the composition of the non-bearing self-centering bridge structure was introduced,which has carried out theoretical analysis and model test.The design goals of the non-bearing self-centering bridge and the direct displacement-based seismic design theory were proposed.Meanwhile,the theory of bridge seismic design was developed.In addition,according to the proposed seismic design goal,a self-centering bridge project was designed and applied in Huang-Xu overpass bridge of Jing-Tai Highway,which was the first non-bearing self-centering bridge in China.The research and application of self-centering bridge without bearing can ensure the seismic safety of bridge structure performance,which has important social value and extensive social benefits.

关 键 词：分离式立交桥 无支座 桥梁设计 桥梁结构体系 桥梁抗震设计 自复位 基于位移的抗震设计 桥墩抗震 

分 类 号：U44[建筑科学—桥梁与隧道工程]