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BFRP布加固钢筋混凝土梁受力性能的数值模拟

Numerical Simulation of Mechanical Behavior of Reinforced Concrete Beams Strengthened with BFRP
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摘要 本文使用有限元分析软件ABAQUS对BFRP布加固钢筋混凝土梁进行受力性能分析,用壳单元来模拟BFRP布粘贴于梁底部,采用BFRP布与梁底粘结长度作为变量,分析梁的开裂荷载、挠度变化的影响。模拟结果表明粘结长度对梁底界面开裂的荷载影响不大,对挠度有一定的降低作用。 In this paper, finite element analysis software ABAQUS is used to analyze the mechanical properties of reinforced concrete beam reinforced by BFRP , a shell element is used to simulate the BFRP cloth sticking to the bottom of the beam , the bond length between BFRP cloth and beam bottom was taken as the variable , analyzing the cracking load , the deflection of the beam. The simulation results show that the bond length has little influence on the load of the cracks at the bottom of the beam , and it can reduce the deflection.
作者 姜浩 田龙强 张天鹏 JIANG Hao;TIAN Longqiang;ZHANG Tianpeng(School of Civil Engineering, Jilin University of Architecture,Changchun 130118,China)
出处 《四川建材》 2019年第2期85-86,共2页 Sichuan Building Materials
基金 吉林省科技发展计划重点科技研发项目(20180201079) 吉林省省级产业创新专项资金项目(2017c050-3)
关键词 BFR P 钢筋混凝土梁 开裂 挠度 BFRP sheets reinforced concrete beam cracking deflection
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