Paper Title:
Experimental Study and Numerical Simulation of Bond Behaviors Between FRP Bar and Concrete
  Abstract

Surface-adhering-sand screw-thread-form FRP bar was produced. By symmetrical pull-out test research to a certain depth in FRP (Fiber Reinforced Polymer) bar concrete, the bond mechanism, the failure mechanism, the bond strength and the slip of FRP bar to concrete were studied systematically. Studies show that the failure mode is not the damage of the ribs or the shearing off of the ribs, but is shear failure between the screw thread and the core of the FRP bar, and the sands on the surface of the bar were grinded into powder. The descending branch of load-slip curve for the FRP bars is gentler than that for the steel bars. The bond strength of FRP bars is a little lower than that of steel bars, but higher than smooth FRP bar greatly. At last the FRP bar concrete specimen were modeled in ANSYS program and the simulation result is satisfactory, which proves the feasibility to model the behavior of bond-slip relationship between FRP bar and concrete accurately.

  Info
Periodical
Advanced Materials Research (Volumes 168-170)
Edited by
Lijuan Li
Pages
2134-2138
DOI
10.4028/www.scientific.net/AMR.168-170.2134
Citation
X. S. Xu, "Experimental Study and Numerical Simulation of Bond Behaviors Between FRP Bar and Concrete", Advanced Materials Research, Vols. 168-170, pp. 2134-2138, 2011
Online since
December 2010
Authors
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Price
$32.00
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