Diagonal Tension in T-Bemas Without Stirrups


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Title: Diagonal Tension in T-Bemas Without Stirrups

Author(s): Phil M. Ferguson and J. Neils Thompson

Publication: Journal Proceedings

Volume: 49

Issue: 3

Appears on pages(s): 665-675

Keywords: no keywords

Date: 3/1/1953

Tests on 24 T-beams without stirrups are reported. The chief variables are the effect of changing the concrete strength and the effect of extra web width over part of the beam depth. It is concluded that diagonal tension strength goes up very slowly as fc' increases; that a unit shear working stress of 0.03fc' is too high for beams made of this type of high strength concrete; and that extra web area is helpful even where it does not in crease the minimum b' width. The shear span-depth ratio is emphasized as a factor in planning or evaulating an investigation into diagonal tension strength.