Performance evaluation of a polypropylene-based draw-wired fibre for concrete structures

被引：60
|
作者：
Lanzoni, L. [1 ]
Nobili, A. [2 ]
Tarantino, A. M. [2 ]
机构：
[1] Univ San Marino, Dept Econ & Technol, I-47890 San Marino, Italy
[2] Univ Modena & Reggio Emilia, DIMeC Dept Mech & Civil Engn, I-41125 Modena, Italy
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2012年 / 28卷 / 01期
关键词：
Fibre reinforced concrete; Synthetic fibre; Structural fibre; Four-point loading bending test; Constrained shrinkage test; BEHAVIOR; HPC;
D O I：
10.1016/j.conbuildmat.2011.10.017
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
A polypropylene-based draw-wired fibre suitable for fibre reinforced concrete (FRC) is studied and its effect on flexural behaviour, toughness and shrinkage cracking is shown. In order to assess the performance offered by such a fibre over commercially available synthetic and metallic ones, comparative tests are carried out with respect to standard four-point bending and constrained shrinkage behaviour. The experimental evidence shows that FRC reinforced with these fibres possesses interesting structural features; in particular, fibres significantly improve crack resistance while enhancing toughness and durability of FRC elements. Equally important, such behaviour is gained without significantly affecting the workability of the mixture. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：798 / 806
页数：9
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