Inverse identification of the bond behavior for jute fibers in cementitious matrix

被引：37
|
作者：
Ferreira, Saulo Rocha [1 ]
Martinelli, Enzo [2 ]
Pepe, Marco [2 ]
Silva, Flavio de Andrade [3 ]
Toledo Filho, Romildo Dias [1 ]
机构：
[1] Univ Fed Rio de Janeiro, COPPE, Dept Civil Engn, BR-21941972 Rio De Janeiro, RJ, Brazil
[2] Univ Salerno, Dept Civil Engn, Via Giovanni Paolo 2 132, I-84084 Fisciano, SA, Italy
[3] Pontificia Univ Catolica Rio de Janeiro PUC Rio, Dept Civil Engn, BR-22451900 Rio De Janeiro, RJ, Brazil
来源：
COMPOSITES PART B-ENGINEERING | 2016年 / 95卷
基金：
欧盟地平线“2020”;
关键词：
Fibres; Fibre/matrix bond; Analytical modelling; Jute Fibres; REINFORCED CONCRETE; MECHANICAL-PROPERTIES; NATURAL-FIBER; FRP; DURABILITY;
D O I：
10.1016/j.compositesb.2016.03.097
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper analyzes the bond behavior of natural fibers in cement-based matrix. First, it presents the results of pull-out tests carried out on jute fibers embedded in a cementitious mortar. Then, the experimental results are employed in identifying the bond-slip relationship which describes the interaction between fiber and matrix. A theoretical model, capable of simulating the various stages of a pullout test, is formulated and applied for an inverse identification of the bond-slip law. Finally, the obtained results demonstrate the soundness of the proposed theoretical interpretation for the bond behavior of jute fibers embedded in a cementitious matrix. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：440 / 452
页数：13
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