Experimental Study And Theoretical Analysis On Bond And Anchorage Properties Of FRP Tendons Concrete

RC structure has very wide application in industry and civil building, but steel bar easy erode in water or acidic or alkaline etc medium. FRP tendon possess nicer mechanics performance and resistance causticity performance . It is a new-style composite material that can greatly improve concrete structure using and wearing performance by using to instead of RC steel bar.FRP tendon and concrete can cooperate with work by combining together under outside load acting. Bond performance of FRP tendon and concrete is one of the key techniqe about designing and spreading this structural.This paper investigates bond and anchor performance of FRP tendons concrete by felting test of 19 symmetrical pull specimens and 9 pull-out specimens. In which the FRP tendons and concrete felting force formation and felting force transfer and bond stress distributing on embedded length load and slippage relation as well as influence factor of bond strength with embedded length and diameter etc were analyzed based on RC felting work principle.This paper proposes Anchorage length calculating formula by suming outside scholar studies and validating of testing result in the text.Besides the overseas existing reinforced concrete structural of the constitutive models curve were contrasted analyse validated by test result of the text.