等截面连续梁桥动力特性解析计算方法研究  

Analytic Calculating Methods of Dynamic Characteristics for Continuous Beam Bridge with Uniform Section

作　　者：郑玉平 ZHENG Yu-ping(JSTI Testing Certification Co.Ltd.,Nanjing 211112,China)

机构地区：[1]苏交科集团检测认证有限公司,南京211112

出　　处：《工程建设与设计》2020年第6期118-119,共2页Construction & Design for Engineering

摘　　要：结合等截面连续梁桥自振频率和振型方程的经验公式,提出了等截面多跨连续梁桥频率、阵型的实用解析求解方法,可实现工程中快速估算,降低大量复杂的建模分析工作。Combine the analytic solution of structural dynamic equations and numerical solution of frequency equations which are transcendental equations, the practical solutions of dynamic characteristics for continuous girder bridges with uniform section are proposed. The empirical equations of vibration frequency and vibration mode are presented in this paper, which will improve detection speed and reduce workload in the bridge detection.

关 键 词：连续梁桥 动力特性 解析计算 

分 类 号：U441[建筑科学—桥梁与隧道工程]