地震作用下滑槽阻尼式装置防落梁能力研究  

Study on the Falling Beam Prevention Capability of Sliding Channel Damping Device under Seismic Action

作　　者：张万泽 刘海亮 王昭儒 张科 Zhang Wanze;Liu Hailiang;Wang Zhaoru;Zhang Ke(CCCC Highway Bridge Construction National Engineering Research Center Co.,Ltd.,Beijing,China;Chengdu Xinzhu Road&Bridge Machinery Co.,Ltd.,Chengdu,China)

机构地区：[1]中交公路长大桥建设国家工程研究中心有限公司,北京 [2]成都市新筑路桥机械股份有限公司,四川成都

出　　处：《科学技术创新》2025年第8期209-212,共4页Scientific and Technological Innovation

摘　　要：建立分级设防、多阶段定量计算的方法,通过设定弹性阶段、塑性阶段设防边界条件,采用常规且简单的分析手段,以解析计算的方式研究分析了滑槽阻尼式防落梁装置在不同阶段所提供的防落梁能力,给出各阶段所能提供的防落梁力的计算公式,为该装置的实桥应用奠定了理论基础。计算方式简便,便于工程师进行快速准确的计算和评估,降低了设计难度和成本,提高了设计效率,确保设计结果的准确性和可靠性。滑槽阻尼式防落梁装置结构简单、力的传递途径明确、便于安装维护且价格低廉,极大地提高了防落梁装置的成本效益和应用场景。Establishing the method of graded defense,multi-stage quantitative calculation,by setting the boundary conditions of elastic stage and plastic stage defense,and adopting the conventional and simple analytical means,the analytical calculation is used to study and analyze the ability of falling beam prevention provided by the chute damping type anti-beam device in different stages,and the formula of the falling beam force provided by each stage is given,which lays a theoretical foundation for the application of the device on real bridges.The calculation method is simple and easy for engineers to carry out fast and accurate calculation and evaluation,which reduces the design difficulty and cost,improves the design efficiency and ensures the accuracy and reliability of the design results.The simple structure,clear force transmission path,easy installation and maintenance,and low price of the chute damping anti-falling beam device greatly improve the cost-effectiveness of the anti-falling beam device and application scenarios.

关 键 词：滑槽阻尼式 边界条件 防落梁能力 分级设防 

分 类 号：U442.55[建筑科学—桥梁与隧道工程]