Shear in RC Beams without Web Reinforcement

by Barrington deV. Batchelor, (M.ASCE), Prof.; Dept. of Civ. Engrg., Ellis Hall, Queen's Univ., Kingston, Ontario K7L 3N6 Canada,
Mankit Kwun, Grad. Student; Dept. of Civ. Engrg., Ellis Hall, Queen's Univ., Kingston, Ontario K7L 3N6 Canada,


Serial Information: Journal of the Structural Division, 1981, Vol. 107, Issue 5, Pg. 907-921


Document Type: Journal Paper

Abstract: A summary of a study of the shear strength of nonprestressed reinforced concrete beams is presented, which was aimed at assessing the feasibility of the basic shear stress equation proposed by the former ACI-ASCE Committee 426. The main variable in the study is longitudinal reinforcement ratio. All beams had a shear span/depth ratio of at least 2.0 and contained no shear reinforcement. The data base used in the statistical analysis is comprised of the following: 266 beams reported in the literature, and the results of ten beams which were fabricated and tested as a part of the study. The equation for basic shear stress proposed by ACI-ASCE Committee 426 is compared with linear, bilinear and nonlinear forms developed from the statistical analysis, as well as with the recommendations of other researchers and the provisions of various codes of practice.

Subject Headings: Shear stress | Concrete beams | Shear strength | Reinforced concrete | Stress analysis | Feasibility studies | Linear analysis

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