粘贴碳纤维板—体外预应力综合加固T梁试验研究  

Test Study of Strengthening Concrete T Beams by External Prestressing Combined with Carbon fiber-plate Gluing

作　　者：周建伟 陈虎 徐文平[2] 

机构地区：[1]南京军区空军勘察设计院,江苏南京210018 [2]东南大学,江苏南京210096

出　　处：《江苏建筑》2017年第2期64-66,共3页Jiangsu Construction

摘　　要：针对钢筋混凝土T形梁,进行粘贴碳纤维板加固、体外预应力筋加固、粘碳纤维板-体外预应力综合加固梁对比试验研究,开展三种加固方法加固下T梁的结构刚度、裂缝宽度和极限承载力等结构特性的分析研究。分析表明,粘碳纤维板-体外预应力综合加固梁具有良好的结构受力性能。The T reinforced beams were studied in the comparative experiments which were under different strengthening conditions of carbon fiber-plate gluing, external prestressing, and external prestressing combined with carbon fiber-plate gluing. This paper studied the structural stiffness, the fracture width, the ultimate bearing capacity etc of reinforced beams strengthened by using the three reinforcement methods. Analysis showed that strengthening concrete T beams by external prestressing combined with carbon fiber-plate gluing had a good structural behaviour under load, large cracking load and smaller crack width. The strengthening effect was obvious.

关 键 词：结构加固 碳纤维板 体外预应力 试验研究 

分 类 号：TU377.93[建筑科学—结构工程]