预制T梁翼缘板混凝土开裂数值模拟分析  

Research of Crack Numerical Simulation of Flange Slab of Prefabricated T- shaped Beam

作　　者：杨松[1] 郑志东 邬晓光[1] 

机构地区：[1]长安大学公路学院,西安710064 [2]福建沈海高速公路有限责任公司,福州350000

出　　处：《重庆科技学院学报（自然科学版）》2014年第4期105-107,共3页Journal of Chongqing University of Science and Technology：Natural Sciences Edition

基　　金：福建省自然科学基金(2012J01387)

摘　　要：为了进一步研究T梁翼缘板混凝土开裂机理,以福建省某30 m跨径预制T梁桥为例,建立ANSYS有限元实体单元模型并进行数值模拟分析;研究预应力钢束不同偏位对预制T梁翼缘板混凝土应力变化的影响,总结分析预应力钢束偏位对翼缘板应力的影响规律。Based on a prefabricated T - shaped beam bridge with a length of thirty meters in Fujian province, thispaper researches the stress change on flange slab of prefabricated T - shaped beam under the location of prestressedsteel beam different deviation by the establishment of ANSYS finite element entity unit model for numerical analy-sis. The effect rule of prestressed steel beam different deviation on flange slab stress are analyzed, and it provides atheoretical basis for the prevention of cracking of concrete T - shaped beam flange slab.

关 键 词：预制T梁 翼缘板 裂缝 荷载工况 

分 类 号：TU375[建筑科学—结构工程]