The Influence of Fiber Winding Angle on the Mechanical Properties of GFRP Tubes was Analyzed by Hydrostatic Test
Based on the long-term compression to reinforced concrete bridge piers,which are prone to cracking and rust in the marine environment,fiber reinforced composites(FRP)are increasingly used to reinforce bridge piers and columns.Practice has shown that the size of the FRP fiber winding angle has a certain difference in the reinforcement effect that it plays.In order to better explore the rela-tionship between fiber winding angle and mechanical properties,experiment performs water pressure loading on three sets of glass fiber composite(GFRP)cylinders with different winding angles of 45°,60° and 80°,and calculates the modulus of annular elasticity of GFRP cylinders at different angles by collecting stress-strain data.The results show that with the increase of the fiber winding angle,the modulus of annular elasticity of the GFRP pipe was increased from 8.85 GPa to 38.16 GPa,and the reinforcement effect of the re-inforced concrete pier column is better.
NETL
NSTL
万方数据
维普
