Web Reinforcement Effects on Deep Beams

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Title: Web Reinforcement Effects on Deep Beams

Author(s): Fung-Kew Kong, Peter J. Robins, David F. Cole

Publication: Journal Proceedings

Volume: 67

Issue: 12

Appears on pages(s): 1010-1018

Keywords: crack width and spacing; deep beams;deflections; reinforced concrete; research; shear strength; web reinforcement.

Date: 12/1/1970

Abstract:
Reports on tests on 35 simply beams of span/depth ratios L/ D supported deep ranging from to 3 and clear shear span/depth ratios x/D from 0.23 to 0.7. The effects of seven different types of web reinforcement on deflections, crack widths, crack patterns, failure modes, and ultimate loads in shear were studied. It was found that the effectiveness of the various types of web reinforcement depended on the L/D and x/D ratios. For low L/D and x/D ratios, only horizontal web reinforcement at close spacing near the bottom of the beam is effective.