不同配筋率的GFRP筋混凝土梁裂缝间距的有限元分析  

Finite Element Analysis of GFRP Reinforced Concrete Beams Crack Spacing with Different Reinforcement Ratios

作　　者：ABUOBIEDA ALAMIN AHMED ALMANSOOR 

机构地区：[1]武汉理工大学土木工程与建筑学院,武汉430070

出　　处：《建材世界》2017年第4期132-136,共5页The World of Building Materials

摘　　要：为了更好的使GFRP筋替代传统钢筋作为受力筋放在混凝土梁结构中,必须对其受力性能进行全面的研究探讨,文中借用大型有限元软件ANSYS对四根不同工况的混凝土梁进行了模拟分析,其中包括三根GFRP筋混凝土梁以及一根传统的钢筋混凝土梁。详细讲解了利用ANSYS建模过程中的重点与难点,最后也应用该软件得出了不同工况下GFRP筋混凝土梁配筋率对梁裂缝分布的影响,以及极限荷载作用下GFRP筋的所承受的极限应力和梁跨中挠度。In order to using GFRP bars instead of steel reinforcement in concrete structure beams,we must explore its mechanical behavior.In this paper,four different types of reinforced concrete beams including three GFRP reinforced concrete beams and one steel reinforced beam were simulated used ANSYS finite element software.The ANSYS modeling process and difficult points were explained.Finally,the effect of the reinforcement ratio of GFRP reinforced concrete beams and steel concrete beam on cracks distribution were studied,also ultimate bearing capacities and ultimate midspan deflection were obtained.

关 键 词：钢筋混凝土梁 裂缝间距 ANSYS程序 有限元分析 

分 类 号：TU37[建筑科学—结构工程]