Diagonal Cracking Capacity and Ultimate Shear Strength of Slender RC Beams without Web Reinforcement
Abstract
This study presents a method that combines both dimensional analysis and statistical regression analysis for predicting the shear capacity of slender reinforced concrete (RC) beams without web reinforcement taking the size effect into consideration. This method incorporates the modified Buckingham-PI theorem (Butterfield, 1999, Geotechnique 49(3), 357-366) to formulate two mathematical models for predicting the shear capacity at the formation of diagonal tension cracks and at the ultimate shear strength. The results of the two models are compared with several sets of existing experimental results. This study shows that the variations in the experimental results of shear capacity of slender RC beams ( a / d  2.5 ) defined at the formation of diagonal tension cracks of beams can be explained by the variations of the concrete tensile strength and the variations in the experimental results of ultimate shear strength of slender RC beams ( a / d  2.5 ) can be explained by the variations of the concrete splitting strength.
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ISSN: 1993-0461 ISSN: 2225-157X,
Edited and Published by Jordan University of Science and Technology, P.O.Box 3030, Irbid 22110, Jordan
Mailing address: Prof. Fouad Gharaybeh, Ph.D.
Editor-in-Chief Civil Engineering Department Jordan University of Science and Technology Irbid 22110, Jordan Tel. No. + 962 2 7201000 ext. 22104 Fax No. + 962 2 7201073
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