Shear Strength of Prestressed Beams With Thin Webs Failing in Inclined Compression

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Title: Shear Strength of Prestressed Beams With Thin Webs Failing in Inclined Compression

Author(s): E. W. Bennett and B. M. A. Balasooriya

Publication: Journal Proceedings

Volume: 68

Issue: 3

Appears on pages(s): 204-212

Keywords: beams (supports);compression;failure;prestressed concrete;reinforced concrete;research;shear strength;structural design;web reinforcement;webs (supports).

Date: 3/1/1971

Abstract:
A series of 26 prestressed concrete beams was tested to investigate the upper limit of the shear strength, associated with inclined compressive failure of the web. The cross section, web reinforcement, prestress, and shear span were varied. The results showed that the behavior of failure could be represented by a truss formed by the stirrups and concrete struts in the web furthur strengthend by the flanges. Design formulas are suggested.