| 刚构桥高温条件下边跨和中跨同时合龙可行性研究 |
| |
| 引用本文： | 曹霖,李湘,廖圆圆.刚构桥高温条件下边跨和中跨同时合龙可行性研究[J].中南公路工程,2012(2):11-13,67. |
| |
| 作者姓名： | 曹霖 李湘 廖圆圆 |
| |
| 作者单位： | [1]湖南省吉茶高速公路建设开发有限公司,湖南吉首416000 [2]湖南省矮寨大桥建设指挥部,湖南吉首416000 |
| |
| 摘 要： | 以一座预应力混凝土连续刚构桥为工程背景,采用有限元软件桥梁博士建立模型,通过利用顶推力施加后墩顶位移比较和在最不利工况下应力变化的方法,证明了高温条件下合龙的可行性;通过边跨、中跨同时合龙阶段及正常使用阶段验算,证明了边、中跨同时合龙的可行性。
|
| 关 键 词： | 连续刚构桥 高温 边跨和中跨 同时合龙 |
Study of Rigid Frame Bridge＇s Side Span and Middle Span at the Same Time Closure Feasibility under the Condition of High Temperature |
| |
| CAO Lin,LI Xiang,LIAO Yuanyuan.Study of Rigid Frame Bridge＇s Side Span and Middle Span at the Same Time Closure Feasibility under the Condition of High Temperature[J].Central South Highway Engineering,2012(2):11-13,67. |
| |
| Authors: | CAO Lin LI Xiang LIAO Yuanyuan |
| |
| Institution: | 1.Hunan Province Jicha Expressway Consrtruction and Development Co.,ltd.Jishou,Hunan 416000,China;2.Hunan Province Ai-Zhai Bridge Coustruction Co.,Ltd,Jishou,Hunan 416000,China) |
| |
| Abstract: | In the engineering background of prestressed concrete continuous rigid frame bridge,building model with the finite element software bridge,Bridge Doctor,the method that the displacement of top pier after pushing force exerted are compared with the most unfavorable conditions of stress change,proves closure feasibility under the condition of high temperature;the side span and middle span at the same time closure stage checking and the normal use stage checking proves side span and middle span at the same time closure feasibility. |
| |
| Keywords: | Continuous rigid frame bridge High temperature Side span and middle span Closure at the same time |
| 本文献已被 维普 等数据库收录！ |
|
