减震型双向滑移盆式支座结构有限元分析  

Finite Element Analysis of Shock Absorption Two-way Sliding Basin Support Structure

作　　者：吴所谓 王帅 荀家正 陶忠[1] 李荣盛 杨魁 WU Suo-wei;WANG Shuai;XUN Jia-zheng;TAO Zhong;LI Rong-sheng;YANG Kui(School of Architecture and Engineering,Kunming University of Science and Technology,Kunming 650504,China;Yunnan Coal Chemical Technology Research Institute,Kunming 650233,China;Yunnan Sunny Road&Bridge Co.Ltd.,Kunming 650200,China)

机构地区：[1]昆明理工大学建筑工程学院,昆明市650504 [2]云南煤化工应用技术研究院,昆明市650233 [3]云南阳光道桥股份有限公司,昆明市650200

出　　处：《公路》2020年第11期98-103,共6页Highway

基　　金：云南省科技创新平台建设-院所技术开发专项,项目编号2016DC020。

摘　　要：以桥梁用双向滑移型盆式支座为基础,通过改进设计了一种带环状高阻尼构件的减震型双向滑移盆式桥梁支座。采用ABAQUS有限元分析软件对设计的减震型盆式支座在常规荷载工况下结构受力和滑移的安全性进行了分析,同时与常规双向滑移型盆式支座在受到水平地震力作用下的滑移、受力情况进行了对比研究。通过有限元模拟分析证明,设计的减震型盆式支座在常规荷载工况下满足安全标准,在水平地震力作用下能通过高阻尼构件耗散地震能量,并能减小桥梁上部结构的滑移幅度。Based on the bidirectional sliding type basin support for bridges,a shock-absorbing bidirectional sliding basin bearing for bridge with annular high damping member is designed.The ABAQUS finite element analysis software is used to analyze the safety of structural shock and sliding under the normal load conditions,and the conventional bidirectional sliding basin bearing at the same level,and the sliding and stress conditions under seismic action are compared.The finite element simulation analysis proves that the designed damping type basin bearing meets safety standards under normal load conditions,and can dissipate seismic energy through high damping members under horizontal seismic forces,and can reduce the slippage.

关 键 词：盆式支座 减震 桥梁 有限元分析 

分 类 号：U443.36[建筑科学—桥梁与隧道工程]