摘要
对于利用连续纤维加固或修补混凝土构件的研究具有实际和理论上的意义。讨论了带缺口的素混凝土、钢筋混凝土、纤维薄板增强钢筋混凝土三点弯曲梁试件缺口端部应力场的有限元分析方法 ,并对三种试件的开裂载荷进行了推算和初步的论证 .分析结果表明 ,钢筋混凝土缺口试件的开裂载荷比素混凝土缺口试件提高 2 5 .6 % ,而用纤维加固后 ,纤维薄板增强钢筋混凝土缺口试件的开裂载荷比钢筋混凝土缺口试件提高 5 1.9% ,比素混凝土缺口试件提高 90 .9%。
The study of reinforcing or repairing concrete structures with continuous fiber is significant in theory and practice In this paper, a FEM of the stress field on the V notch tip of paint concrete, reinforced concrete and fiber sheet reinforced concrete 3 P bending specimen is discussed ,and the cracking loads of three kinds of specimen are calculated and argued The results of analysis show that the cracking loads of reinforced concrete specimen increased by 25 6% in comparision with the paint concrete specimen The fiber sheet reinforced concrete increased by 51 9% and 90 9% in comparision with reinforced concrete and paint concrete specimen
出处
《广西工学院学报》
CAS
2002年第1期22-24,37,共4页
Journal of Guangxi University of Technology
