Ultimate Strength of Prestressed I-Beams Under Combined Torsion, Bending, and Shear

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Title: Ultimate Strength of Prestressed I-Beams Under Combined Torsion, Bending, and Shear

Author(s): Einar Gausel

Publication: Journal Proceedings

Volume: 67

Issue: 9

Appears on pages(s): 675-677

Keywords: beams (supports) ; bending; combined stress; cracking (fracturing) ; creep properties; deformations; I-beams;prestressed concrete;research; shear properties;shrinkage; tensile stress;torsion;web reinforcement.

Date: 9/1/1970

Abstract:
Summarizes a report on tests of 16 simply supported prestressed I-beams subjected to combined torsion, bending, and shear. One-half of each beam contained web reinforcement, the other half did not. All beams had the same nominal cross section and prestressing force. The length of the beams; the load and its position, the torque load, the loading sequence, and the web reinforcement were varied. The calculated deformations and cracking loads were in good agreement with measured results.