Investigation into the mechanical properties of structural lightweight concrete reinforced with waste steel wires

被引：54
|
作者：
Aghaee, Kamran [1 ]
Yazdi, Mohammad Ali [2 ]
Tsavdaridis, Konstantinos Daniel [3 ]
机构：
[1] Islamic Azad Univ, Dept Civil Engn, Yazd, Iran
[2] Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil Engn, Shanghai 200030, Peoples R China
[3] Univ Leeds, Sch Civil Engn, Leeds, W Yorkshire, England
来源：
MAGAZINE OF CONCRETE RESEARCH | 2015年 / 67卷 / 04期
关键词：
HIGH-STRENGTH; COMPRESSIVE STRENGTH; FIBERS; PERFORMANCE; BEHAVIOR;
D O I：
10.1680/macr.14.00232
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The study of concrete incorporating different waste fibres has started to increase rapidly due to economic reasons and positive environmental effects. In the study reported here, waste steel wires from steel reinforcement and used formworks were blended with structural lightweight concrete, with the aim of replacing commercial steel fibres of controlled quality with recycled fibres. Compression, tensile, flexural and impact tests were performed to assess the mechanical properties of 28 d old concrete specimens reinforced with mixed waste steel wires, mixed steel fibres as well as plain concrete. The percentages of fibres examined in the fibre reinforced concrete (FRC) specimens were 0.25%, 0.50% and 0.75% (volume fraction of the concrete). With varying fibre contents, similar trends were observed in all the types of FRCs studied. It was thus concluded that waste steel wires could be used as a suitable alternative to industrial steel fibres for structural lightweight concrete applications.
引用
收藏
页码：197 / 205
页数：9
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