OBSERVATION AND RESEARCH ON TEMPERATURE DISTRIBUTION IN CONCRETE BOX GIRDERS OF CONTINUOUS RIGID FRAME BRIDGES

摘要：

In the process of cantilever construction of the Longtan River Bridge ,the WZP-035 thermally sensitive electric resistence, as measured points of temperature, was buried into two segments of box-girder,and the temperature field of box-girder concrete was observed for three days. The observation shows that the temperature distribution of concrete box along the height of box-girder is non-linear under solar radiation. The tested temperature and the temperature difference are given a regression analysis using the least square method. Concrete box-girder temperature mode in the sunshine, suited to the western Hubei Province, is proposed.

关键词： Continuous rigid frame bridges concrete boz-girder solar radiation temperaturedistribution non-linear

作者: Can-Bin Yin Jie-Jun Wang Fang Yu

作者单位: Hunan City University,Yiyang,Hunan,413000,China Central South University of Forestry and Technology,Changsha 410004,P. R. China

会议类型: 国际会议

会议名称: The 4th Internatiuonal Symposium on Lifetime Engineering of Civil Infrastructure(第四届土木工程结构生命周期国际学术研讨会)

会议地点: 长沙

会议语种:英文

页码: 587-591

在线出版日期: 2009-10-26（万方平台首次上网日期，不代表论文的发表时间）