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

页码：440 / 452

页数：13

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