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Thursday 17 August 2017

Study of glulam beams pre-stressed with pultruded GRP

Published Date
Received 23 January 2004, Accepted 18 March 2005, Available online 24 August 2005.

Author
Z.W.GuanOpens the author workspaceOpens the author workspace. Author links open the author workspace.P.D.Rodd. Author links open the author workspace.D.J.Pope
School of the Environment, University of Brighton, Moulsecoomb, Brighton BN2 4GJ, United Kingdom

https://doi.org/10.1016/j.compstruc.2005.03.021

Abstract

Improvement of the load carrying capacity of glulam beams by the addition of reinforcement is now common practice. Recently it has been demonstrated that pre-stressing of beams using pultruded glass fibre reinforced plastic (GRP) tendons provides an available alternative due to the compatibility of the two materials and the low losses of pre-stress. This paper describes a finite element based model which was validated against test results and then used to investigate bond stress between a pre-stressed GRP tendon and the adjacent timber. Parametric studies were also undertaken to evaluate the effects of tendon thickness, beam span and the pre-tension force on the structural behaviour of beams.
For further details log on website :
http://www.sciencedirect.com/science/article/pii/S0045794905002373

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