【摘要】 通过对 50米T梁的上拱度进行数值模拟与分析 ,并通过弹性模量试验、静载试验、温度荷载效应试验和现场拱度测试加以验证 ,阐明了弹性模量、徐变和温度等是影响上拱度的主要因素 ,提出了采用三维有限元数值模拟T梁上拱度的方法可以有效地保证桥面铺装的均匀性 ,确保桥梁的施工质量更多还原

【Abstract】 The digital analogue and analysis of deflection of 50m prestressed conctete T-shape beam is presented by the article,which is tested by modulus of elasticity test,static load test and temperature load test and deflection measurement at site,These major influencing factors include modulus of elasticity and creep and temperature are ascertained and also discussed,The methods of digital simulation is provided to insure effectively the evenness and thickness of bridge deck and the quality of bridge.更多还原