FRP strengthening of 60 year old pre-stressed concrete bridge deck units

Cork, Ryan, Foote, Jack, de Waal, Leo, Nguyen, Van Thuan and Fernando, Dilum (2015). FRP strengthening of 60 year old pre-stressed concrete bridge deck units. In: Dilum Fernando, Jin-Guang Teng and Jose L. Torero, Proceedings of the Second International Conference on Performance-based and Life-cycle Structural Engineering (PLSE 2015). International Conference on Performance-based and Life-cycle Structural Engineering, Brisbane, QLD, Australia, (1228-1237). 9-11 December 2015. doi:10.14264/uql.2016.405

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Author Cork, Ryan
Foote, Jack
de Waal, Leo
Nguyen, Van Thuan
Fernando, Dilum
Title of paper FRP strengthening of 60 year old pre-stressed concrete bridge deck units
Conference name International Conference on Performance-based and Life-cycle Structural Engineering
Conference location Brisbane, QLD, Australia
Conference dates 9-11 December 2015
Proceedings title Proceedings of the Second International Conference on Performance-based and Life-cycle Structural Engineering (PLSE 2015)
Place of Publication Brisbane, QLD, Australia
Publisher School of Civil Engineering, The University of Queensland
Publication Year 2015
Sub-type Fully published paper
DOI 10.14264/uql.2016.405
Open Access Status File (Publisher version)
ISBN 9781742721477
Editor Dilum Fernando
Jin-Guang Teng
Jose L. Torero
Start page 1228
End page 1237
Total pages 10
Collection year 2016
Language eng
Formatted Abstract/Summary
Over the past few decades Fibre reinforced polymers (FRPs) have gradually gained recognition as an effective material for the strengthening of reinforced concrete (RC) structures. When compared to traditional strengthening methods, FRP has many advantages that make it an attractive alternative. Some of these advantages include FRP’s high strength-to-weight ratio and excellent corrosion resistance. This study presents an experimental study investigating the effectiveness of a novel FRP strengthening scheme, which involves glass FRP I beam profiles and carbon FRP pultruded plates, for strengthening existing pre stressed concrete deck unit bridges in Queensland, Australia. Two 9.05m long pre-stressed concrete bridge deck units taken from a decommissioned bridge in Queensland, Australia were tested under 4-point bending until failure: one as a control and the other strengthened with the proposed strengthening system. FRP strengthening using the proposed system was found to increase the ultimate capacity of the bridge deck unit by 105%. In addition, FRP strengthening was also found to increase the flexural stiffness.
Keyword FRP profiles
Strengthening of RC bridge deck units
Pre-stressed bridge deck units
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status UQ

 
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Created: Wed, 23 Dec 2015, 14:27:17 EST by Anthony Yeates on behalf of Faculty Of Engineering, Architecture & Info Tech