Journal
COMPOSITES PART B-ENGINEERING
Volume 39, Issue 7-8, Pages 1151-1160Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2008.03.007
Keywords
layered structures; strength; mechanical properties; analytical modeling
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Hollow bridge piers are incorporated in tall bridges to maximize the structural efficiency of the strengthmass and stiffness-mass ratios. Column jacketing with fiber reinforced polymer (FRP) composite materials has been extensively studied in recent years but it is uncertain how FRP jackets may perform when retrofitting hollow concrete columns since the topic has been little researched. A confinement model for circular hollow sections is proposed which can be extended to the case of solid sections. The model is able to estimate confinement effectiveness and to plot stress-strain relationships, which are different in the case of solid and hollow sections. (c) 2008 Elsevier Ltd. All rights reserved.
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