EXPERIMENTAL STUDY ON FRP TENSION STRAIN OF CONFINED RC BRIDGE PIER WITH RECTANGULAR HOLLOW CROSS SECTION

Abstract

Abstract: In order to determine parameters affecting FRP tension strain of confined RC bridge pier with hollow section, and propose correct formula of FRP effective tension strain, quasi-static test was carried out to ten FRP confined RC bridge piers with rectangular hollow section under unidirectional horizontal cyclic loading and constant axial compression load. Through analyzing measured FRP tension strain, it is shown that parameters affecting FRP tension strain are damage location, the type of FRP, FRP hoop ration, shear-span ration and failure mode of FRP confined bridge pier. Tested FRP tension strain is closer to the calculated results of FRP confined component with debonding failure mode, however, the difference is obvious with the calculated results under FRP rupture failure mode.

Key words: bridge pier, FRP confined, FRP effective tension strain, quasi-static test, rectangular hollow section

CLC Number:

TB332
U443.2

DONG Zhen-hua, HAN Qiang, DU Xiu-li. EXPERIMENTAL STUDY ON FRP TENSION STRAIN OF CONFINED RC BRIDGE PIER WITH RECTANGULAR HOLLOW CROSS SECTION[J]. COMPOSITES SCIENCE AND ENGINEERING, 2014, 0(1): 13-16.

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