Volume 7, Issue 3 (Sept. 2009)
IJCE 2009, 7(3): 141-153 |
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Arabzadeh A, Rahaie A, Aghayari A. A Simple Strut-and-Tie Model for Prediction of Ultimate Shear Strength of RC Deep Beams. IJCE 2009; 7 (3) :141-153
URL: http://ijce.iust.ac.ir/article-1-285-en.html
URL: http://ijce.iust.ac.ir/article-1-285-en.html
Abstract: (19864 Views)
In this paper a new method based on Strut-and-Tie Model (STM) is proposed to determine the shear capacity
of simply supported RC deep beams and an efficiency factor for concrete with considering the effect of web
reinforcements. It is assumed that, the total carried shear force by RC deep beam provided by two independent
resistance, namely diagonal concrete strut due to strut-and-tie mechanism and the equivalent resisting force resulted
by web reinforcements, web reinforcing reduces the concrete compression softening effect with preventing from the
diagonal cracks opening or concrete splitting. The unknown function and parameters are determined from 324
experimental results obtained by other researchers. To validate the proposed method, the obtained results are
compared with some of the existing methods and codes such as ACI 318-05 and CSA. The results indicate that the
proposed method is capable to predict the shear strength of variety of deep beams with acceptable accuracy.
Type of Study: Research Paper |
Subject:
Structure-Earthquake
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