摘要
本文用伽辽金加权余量法导出在日照或大气温度或两者共同作用下箱梁温度场及简支箱梁温度应力的计算机模型,编制出能在微机上实现的通用程序。该程序计算出九江大桥的温度值及温度应力同相应实测值十分吻合。
A computer model of temperature fields and temperature stresses of the box girder under the action of solar radiation and air temperature is deduced from Galerkin's Weighted Residuals, with the corresponding general computer program worked out for microcomputer. Temperature fields and longitudinal temperature stresses of Jiujiang Yangtze Railway Bridge obtained with this program are very agreeable to those obtained through practical measuring.
出处
《西南交通大学学报》
EI
CSCD
北大核心
1989年第4期90-97,共8页
Journal of Southwest Jiaotong University
关键词
箱梁
预应力
混凝土
温度应力
桥梁
prestressed concrete
temperature eigenstress
temperature continuity stresses
temperature curvature
restrained moment due to temperature
