Stress-strain model of confined concrete with Aramid FRP wraps

被引：27
|
作者：
Djafar-Henni, Imane [1 ]
Kassoul, Amar [1 ]
机构：
[1] Hassiba Benbouali Univ Chief, Dept Civil Engn & Architecture, LSGR, BP 78C, Ouled Fares Chief 02180, Algeria
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2018年 / 186卷
关键词：
Aramid fiber-reinforced polymer (AFRP); Concrete; Confinement model; Short column; Stress-strain behavior; HIGH-STRENGTH CONCRETE; AXIAL COMPRESSIVE BEHAVIOR; JACKETED CONCRETE; COLUMNS; CYLINDERS;
D O I：
10.1016/j.conbuildmat.2018.08.013
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The aim of this paper is to predict an appropriate stress-strain model for concrete confined by Aramid FRP wraps. A database including the results of 81 concrete cylinders confined by AFRP wraps was collected to assess the performance of 12 existing strength and strain models. The reliability of these models was implemented using the statistical indices of the coefficient of determination (R-2) and the root mean square error (RMSE). Based on this study, stress-strain models proper for AFRP-confined concrete were developed. The results obtained show that the taking into account of the effect of the confinement stiffness (K-1) and the hoop rupture strain (epsilon(h,rup)) give a good performances compared to the other models. (C) 2018 Published by Elsevier Ltd.
引用
收藏
页码：1016 / 1030
页数：15
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