摘要
介绍了温度效应的特点和对箱梁挠度变化的影响,结合某预应力连续刚构桥的施工监控实践,分析了现场实测箱梁随温度变化而产生的挠度,采用有效克服温度影响的方法,保证了大桥的顺利合龙。
The characteristic of the temperature effect and its impact on the change of box girder deflection are described. On the basis of the construction monitoring practice of a prestressed continuous rigid frame bridge, the spot measured data which the box girder deflection produced with the temperature variation is analysed. So the effective methods to overcome the temperature effect are adopted to ensure a smooth closure of the bridge.
出处
《山西建筑》
2014年第22期205-206,共2页
Shanxi Architecture
关键词
温度效应
连续刚结构
预拱度
线形控制
temperature effect, continuous rigid frame bridge, pre-camber, linear control
