Behavior of Fiber Reinforced Concrete Beams with Inadequate Torsion Steel under Pure Torsion

Year 2025, Volume: 36 Issue: 3

Yılmaz Öğünç Tetik , Osman Kaya

https://doi.org/10.18400/tjce.1358643

Abstract

To investigate the relationship between reinforced concrete beams under pure torsion and steel fiber usage, 16 large-scaled reinforced concrete beams with inadequate torsion steel were designed and produced. For experiments, a new test setup was designed to allow specimens to have rotational movement on one end and axial movement on the other end. The variables were selected as 300 and 400 mm spacings of transverse reinforcements and 0.0%, 0.3%, 0.6%, 0.9%, 1.2%, and 1.5% by volume of the mixture as steel fiber ratios. Cracking torque, maximum torque and ultimate torque values were obtained experimentally, and torque-twist curves and energy dissipation capacities were determined. Findings were compared to indicate the relationship between variables. Results showed that certain values of steel fiber ratio as a replacement material for relevant spacing of transverse reinforcements.

Keywords

Reinforced concrete beam, pure torsional moment, steel fiber, energy dissipation capacity

Supporting Institution

Muğla Sıtkı Koçman Üniversitesi BAP Koordinatörlüğü

Project Number

15-007

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