A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Compressive behaviour of FRP-confined square concrete columns after creep
AbstractThis paper presents the results of experimental and theoretical investigations on the stress strain responses after creep of short square concrete columns confined by fiber reinforced polymer (FRP). Creep tests were firstly conducted on four specimens (including two loaded creep specimens and their companion load-free shrinkage specimens) with dimensions of 150 mm×150 mm×400 mm for 312 days, then, after two weeks of creep recovery, these specimens were axially compressed to failure. The comparison of the stress strain curves between the creep specimens and their companion specimens shows considerable effects of creep on the mechanical behaviours of the columns. Based on the microprestress solidification theory for concrete creep and a modified plasticity model, a constitutive model is proposed to predict the behaviour of FRP-confined square concrete columns after creep. The comparison between the model predictions and the experimental results showed good agreement.
Compressive behaviour of FRP-confined square concrete columns after creep
AbstractThis paper presents the results of experimental and theoretical investigations on the stress strain responses after creep of short square concrete columns confined by fiber reinforced polymer (FRP). Creep tests were firstly conducted on four specimens (including two loaded creep specimens and their companion load-free shrinkage specimens) with dimensions of 150 mm×150 mm×400 mm for 312 days, then, after two weeks of creep recovery, these specimens were axially compressed to failure. The comparison of the stress strain curves between the creep specimens and their companion specimens shows considerable effects of creep on the mechanical behaviours of the columns. Based on the microprestress solidification theory for concrete creep and a modified plasticity model, a constitutive model is proposed to predict the behaviour of FRP-confined square concrete columns after creep. The comparison between the model predictions and the experimental results showed good agreement.
Compressive behaviour of FRP-confined square concrete columns after creep
Zhang, Dian Jie (author) / Wang, Yuan Feng (author) / Ma, Yi Shuo (author)
Engineering Structures ; 32 ; 1957-1963
2010-02-23
7 pages
Article (Journal)
Electronic Resource
English
Compressive behaviour of FRP-confined square concrete columns after creep
| Online Contents | 2010
Compressive behaviour of CFRP-confined rectangular concrete columns
| Online Contents | 2008