摘要
为研究连续钢构桥施工阶段温度对悬臂挠度和施工线形控制的影响,介绍了悬臂施工立模标高的计算原理及参数分析。以某连续刚构桥为背景,利用有限元计算了悬臂状态下温度导致的挠度,分析了温度对连续刚构桥施工线形控制的影响,总结出应对温度影响的措施。
To study the influence of temperature at construction section of continuous frame bridge on the deflection and construction linear control of cantilever,the calculation principle and parameter analysis of elevation of formwork erection for cantilever construction are introduced. Taking a continuous frame bridge as the background,the deflection caused by the temperature under the state of cantilever is calculated by utilizing finite element,the influence of temperature on the construction linear control of continuous frame bridge is analyzed,and the measures for solving the influence of temperature are summarized.
作者
王鹏
WANG Peng(School of Civil Engineering ＆ Architecture,Chongqing Jiaotong University,Chongqing 400074,Chin)
出处
《北方交通》
2018年第7期22-24,29,共4页
Northern Communications
关键词
连续梁
温度挠度
施工线形控制
Continuous beam
Deflection of temperature
Construction linear control
