An experimental study on the post-cracking behaviour of Hybrid Industrial/Recycled Steel Fibre-Reinforced Concrete

被引：125
|
作者：
Martinelli, Enzo [1 ]
Caggiano, Antonio [2 ]
Xargay, Hernan [2 ]
机构：
[1] Univ Salerno, Dept Civil Engn, Fisciano, Italy
[2] Univ Buenos Aires, Fac Engn, Lab Mat & Struct, LMNI,FIUBA, RA-1053 Buenos Aires, DF, Argentina
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2015年 / 94卷
关键词：
Waste tyres; Concrete; FRC; Recycled Steel Fibre; Hybrid; Post-cracking behaviour; SELF-COMPACTING CONCRETE; MECHANICAL-PROPERTIES; WASTE TIRES; STRENGTH;
D O I：
10.1016/j.conbuildmat.2015.07.007
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper investigates the mechanical behaviour of FRC made with both Industrial and Recycled Steel Fibres recovered from waste tyres. Specimens of various mixtures, characterised by the same volume fraction of fibres, but different proportions of industrial and recycled reinforcement were tested both in compression and bending. The results highlighted a fairly negligible influence of fibres in terms of compressive strength, whereas a significant decay in the post-cracking behaviour was observed in specimens with higher fractions of recycled fibres. However, a significant enhancement in the bending response was observed with respect to the case of plain concrete, even for specimens reinforced by recycled fibres only. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：290 / 298
页数：9
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