Experimental Investigation on Mechanical Properties of Fiber Reinforced Lightweight Self-consolidating Concrete 机翻标题: 暂无翻译,请尝试点击翻译按钮。

会议集名/来源
Rheology and processing of construction materials: RheoCon2 & SCC9
出版年
2020
页码
536-543
会议地点
Radebeul
作者单位
Civil Engineering, Ryerson University, Toronto, ON, CanadaCivil Engineering, Ryerson University, Toronto, ON, CanadaCivil Engineering, Ryerson University, Toronto, ON, Canada
作者
Ali Ehsani Yeganeh;Farzad Kouroshnezhad;Sina Dadsetan
摘要
This paper presents the results of an experimental investigation on the mechanical property of different types of fiber reinforced lightweight self-consolidating concrete (FRLWSCC) with three different types of fiber: High-Density Poly Ethylene (HDPE), Crumb Rubber (CR) and Polyvinyl Alcohol (PVA). Three developed mixes were compared in terms of compressive strength, flexural strength, stress-strain development, splitting tensile capacity, ductility, energy absorption capacity and stiffness with the lightweight self-consolidating concrete (LWSCC) without any fiber. For each category of tests, 20 samples were produced and tested. The results of the performed tests showed that the addition of fibers reduced compressive strength. In case of lightweight mixes with HDPE and PVA fibers, the reduction of compressive strength was more than 15%. However, all the fibers increased the flexural strength capacity with higher deflection at failure, meanwhile all type of fibers increased the number of cracks and reduced crack width at failure stage. Additionally, the splitting tensile capacities of FRLWSCC mixes were higher than LWSCC without fiber. All the FRLWSCCs showed a higher ability to absorb more energy. All FRLWSCC samples had a higher ductility capacity and exhibited a relatively lower stiffness.
机翻摘要
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关键词
Lightweight self-consolidating concrete; Fibers; Compressive strength; Flexural behaviour; Energy absorption
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