桩土作用下连续刚构桥动力特性分析  

TEST ABLISHMENT OF FINITE ELEMENT MODEL OF CONTINUOUS RIGID FRAME BRIDGE AND ANALYSIS OF ITS DYNAMIC CHARACTERISTICS

作　　者：张敏[1] 宁晓骏[1] 李启萌 李可欣[1] 

机构地区：[1]昆明理工大学建筑工程学院,昆明650500

出　　处：《低温建筑技术》2018年第1期103-105,共3页Low Temperature Architecture Technology

摘　　要：以欧拉弹性理论为基础,桩土作用为桥梁结构影响因素,运用空间有限元法对昆明某高墩大跨径连续刚构桥进行动力特性分析。计算结果表明,在动力特性方面,桩-土效应对高墩大跨连续刚构桥有着十分显著的影响。因此在进行高墩大跨连续刚构桥的动力特性分析时,考虑桩-土作用是十分必要的。Based on the theory of Euler elasticity,the pile-soil interaction is the influence factor of the bridge structure,and the dynamic finite element method is used to analyze the dynamic characteristics of a long-span continuous rigid frame bridge in a high pier in Kunming. The results show that the pile-soil effect has a significant effect on the high-span long-span continuous rigid frame bridge in the dynamic characteristics.Therefore,it is necessary to consider the effect of pile-soil when analyzing the dynamic characteristics of high-pier long-span continuous rigid frame bridge.

关 键 词：桥梁 地震作用下 抗震研究 动力特性 

分 类 号：TU393.3[建筑科学—结构工程]