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《Engineering Mechanics》 2006-05
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WANG Wen-wei1,ZHAO Guo-fan2,HUANG Cheng-kui2(1.Department of Bridge Engineering,Transportation College,Southeast University,Nanjing 210096,China;2.Department of Civil Engineering,Dalian University of Technology,Dalian 116023,China)  
To investigate the bond performance and flexural strength of R.C.beams strengthened with CFRP sheets under dynamic loads,five reinforced concrete(RC)beams with epoxy-bonded carbon fiber reinforced plastic(CFRP)sheets were loaded with sinusoidal fatigue loads that simulate traffic loads.One RC beam strengthened with CFRP sheets under sustaining loads and two contrastive RC beams were also experimentally investigated.Variables considered in this experimental program includes compressive strength of the concrete,reinforcement ratio,anchorage system,bonded length,and load range.The dynamic results generally indicate that the flexural strength of the repaired beams under simulated traffic loads is increased,and bond performance between CFRP and RC beams is good.The results also demonstrate the feasibility of rehabilitating and strengthening damaged RC beams with CFRP sheets while the beams are under dynamic loads.The static test program shows that the application of CFRP to RC beams results in increased strength and enhanced performance.
【Fund】: 辽宁省交通厅科研重点项目资助(0101)
【CateGory Index】: U445.72
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Chinese Journal Full-text Database 10 Hits
1 ZHANG Tan-xian,LU Xi-ling(Structure Engineening Research Institute,Tongji University,Shanghai200092,China);The analysis and application of strenthening reinforcedconcrete beam with GFRP and steel plate[J];Building Science Research of Sichuan;2005-01
2 YU Qiong,LU Zhou-dao(Institute of Structural Engineering and Disaster Reduction,Tongji University,Shanghai 200092,China);Study on deformation of RC beams strengthened by CFRP sheets[J];Sichuan Building Science;2006-02
3 QIAN Wei~(1,2),GAO Dan-ying~1(1.Zhengzhou University,Zhengzhou 450002,China;2.Henan Provincial Academy of Building Research,Zhengzhou 450053,China);Effect of initial damage on uhe flexural performance of reinforced concrete beams strentthed of cfrp sheets[J];Sichuan Building Science;2006-04
4 WU Zhi-ping 1 ,YANG Lin-De 2 (Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China);Bending Design for Concrete Beam Strengthened with Carbon Fibre Reinforced Plastics[J];;2005-02
5 CHEN Liying,GAO Ri(School of Civil Engineering and Architecture, Northern Jiaotong University, Beijing 100044,China);Research on Bending Capacity of CFRP Reinforced Concrete Structure at Twice Loading[J];Journal of Northern Jiaotong University;2003-01
6 LI Yang, GAO Ri, AN Guang_ming, CHEN Li_ying (School of Civil Engineering and Architecture, Northern Jiaotong University, Beijing 100044,China);Experimental and Academic Research for RC Beam[J];Journal of Northern Jiaotong University;2003-04
7 Ge Dongxia(East China Architecture Design & Research Academy) Yuan Guoqing(Tongji University);LOAD?BEARING CAPACITY ANALYSIS AND DESIGN OF RCBEAM BEARING CONTRARY SIGN MOMENT STRENGTHENED WITH CFRP[J];Fiber Reinforced Plastics/Composite;2003-06
8 YAN Dong-huang, LIU Ming-hui, OU Li (Changsha University of Science and Technology, Changsha 410076, China);Nonlinear Study and Analysis of Part-Model of PC Box Girder[J];Journal of Changsha Communications University;2004-03
9 YU Jinghai,ZHAO Tong,LUO Zhenbiao,XIE Jian(Department of Civil Engineering, Tianjin University, Tianjin 300072, China);Improving seismic performance of concrete block masonry walls by continuous carbon fiber sheet[J];Earthquake Engineering and Engineering Vibration;2003-01
10 ZHOU Chang-dong, HUANG Cheng-kui~*116024,China );Investigation on shear behavior of concrete columns strengthened with GFRP[J];Journal of Dalian University of Technology;2004-06
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