Confinement is an effective method in order to increase concrete strength and its ductility capacity. To improve the structural properties of lightweight concrete, Fiber Reinforced Polymer （FRP） can be used to confi...Confinement is an effective method in order to increase concrete strength and its ductility capacity. To improve the structural properties of lightweight concrete, Fiber Reinforced Polymer （FRP） can be used to confine the concrete. Effect of Fiber Reinforced Polymer on confined lightweight concrete elements is one of the most important research fields. It is generally accepted that the strength and stiffness of confined concrete is higher than unconfined one. In this research, behavior of confined and unconfined concrete specimens under uniaxial loading has been studied. In order to decrease stress concentration corners of specimens were chamfered to a radius of 5 to 25 mm. The Carbon Fiber Reinforced Polymer （CFRP） and Glass Fiber Reinforced Polymer （GFRP） were used to confine lightweight concrete specimens. The stress-strain curve of specimens is compared.展开更多
文摘Confinement is an effective method in order to increase concrete strength and its ductility capacity. To improve the structural properties of lightweight concrete, Fiber Reinforced Polymer （FRP） can be used to confine the concrete. Effect of Fiber Reinforced Polymer on confined lightweight concrete elements is one of the most important research fields. It is generally accepted that the strength and stiffness of confined concrete is higher than unconfined one. In this research, behavior of confined and unconfined concrete specimens under uniaxial loading has been studied. In order to decrease stress concentration corners of specimens were chamfered to a radius of 5 to 25 mm. The Carbon Fiber Reinforced Polymer （CFRP） and Glass Fiber Reinforced Polymer （GFRP） were used to confine lightweight concrete specimens. The stress-strain curve of specimens is compared.
