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The torsional behavior of reinforced self-compacting concrete beams

  • Aydin, Abdulkadir C. (Department of Civil Engineering, Faculty of Engineering, Ataturk University) ;
  • Bayrak, Baris (Department of Civil Engineering, Faculty of Engineering, Ataturk University)
  • Received : 2018.09.12
  • Accepted : 2019.06.04
  • Published : 2019.11.25

Abstract

Torsional behaviors of beams are investigated for the web reinforcement and the concrete type. Eight beams with self-compacting concrete (SCC) and twelve beams with conventional concrete (CC) were manufactured and tested. All the models manufactured as the $250{\times}300{\times}1500mm$ were tested according to relevant standards. Two concrete types, CC and SCC were designed for 20 and 40 MPa compressive strength. From the point of web reinforcement, the web spacing was chosen as 80 and 100 mm. The rotation angles of the concrete beams subjected to pure torsional moment as well as the cracks occurring in the beams, the ultimate and critical torsional moments were observed. Moreover, the ultimate torsional moments obtained experimentally were compared with the values evaluated theoretically according to some relevant standards and theories. The closest estimations were observed for the skew-bending theory and the Australian Standard.

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