Fiber synergy in Hybrid Fiber Reinforced Concrete (HyFRC) in flexure and direct shear

被引：279
|
作者：
Banthia, N. [1 ]
Majdzadeh, F. [1 ]
Wu, J. [1 ]
Bindiganavile, V. [2 ]
机构：
[1] Univ British Columbia, Dept Civil Engn, Vancouver, BC V6T 1Z4, Canada
[2] Univ Alberta, Dept Civil & Environm Engn, Edmonton, AB T6G 2W2, Canada
来源：
CEMENT & CONCRETE COMPOSITES | 2014年 / 48卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
Concrete; Fiber reinforced concrete; Toughness; Steel fiber; Cellulose fiber; Hybrid composites; Strength; Energy absorption; Flexure; Direct shear; STEEL FIBER; PERMEABILITY; SHRINKAGE; TOUGHNESS; STRENGTH; CARBON;
D O I：
10.1016/j.cemconcomp.2013.10.018
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In most cases, fiber reinforced concrete (FRC) contains only one type of fiber. The use of two or more types of fibers in a suitable combination has the potential to improve the mechanical properties of concrete, and result in performance synergy. This combining of fibers, often called hybridization, is investigated in this paper under flexure and direct shear. Along with a reference plain concrete mix, several singlefiber reinforced concrete mixes and two-fiber reinforced hybrid composite mixes were cast using diverse fiber combinations. Two types of macro-steel fibers and a micro-cellulose fiber were examined. Flexural and direct shear tests were performed and the results were analyzed to identify synergy, if any, associated with various fiber combinations. The paper highlights the influence of load configuration on fiber synergy. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：91 / 97
页数：7
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