Exploring the Effect of Varying Fiber Dosages as Stirrup Substitutes in Torsion-Loaded Concrete Beams

نویسندگان

چکیده

Over the past few decades, numerous studies have explored use of steel fiber (SF) as an alternative to transverse reinforcement rebars in reinforced concrete beams, either partially or completely replacing them. However, there are limited that investigated effect dosage and length on beam performance under torsional loads without rebars. In this study, experimental investigations were conducted examine SF beams subjected load, utilizing SFs a complete substitution Ten different mixes with varying dosages SFs, namely 0%, 0.5%, 1.0%, 1.5%, examined while maintaining same aspect ratio for diameter. The results revealed addition mix had impact its properties, reducing workability but increasing flexural, tensile, compressive strengths. By incorporating 1.0% mix, missing strength resulting from absence stirrups was adequately compensated. Moreover, presence significantly influenced ductile behavior beyond point cracking tested beams. Hence, it is recommended incorporated 1.5% mixture, particularly torsion, viable substitute stirrups.

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ژورنال

عنوان ژورنال: Buildings

سال: 2023

ISSN: ['2075-5309']

DOI: https://doi.org/10.3390/buildings13071865