Shear Strength of Large Beamsby Howard P. J. Taylor, Sr. Res. Engr.; Cement and Concrete Assoc., London, England,
Serial Information: Journal of the Structural Division, 1972, Vol. 98, Issue 11, Pg. 2473-2490
Document Type: Journal Paper
Abstract: This paper considers the problem of the effect of absolute size on the shear strength of reinforced concrete beams. The results of previous tests are compared and a brief description is given of the way in which beams carry shear force, which is consistent with recent data. Tests on a series of 15 beams in which true scale models were used, with a depth range of 150-1000 mm (6-40 in.) are described. The test results indicate that, when beams are modeled correctly, the effect of absolute size is small. In practice it may not always be possible to design beams of the type in which the size effect is insignificant. For these cases, design advice is given.
Subject Headings: Shear strength | Concrete beams | Model tests | Shear forces | Structural strength | Reinforced concrete | Scale models
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