Previous Research Works on Reinforced Concrete Curved Beams

Author:

Khaleel W. H.,Talal A. A.,Baidaa N. H.,Abdul-Razzaq K. S.,Dawood A. A.

Abstract

The current research work summarizes some previous research works on horizontally curved beams. Because of curvature, torsional effects in the analysis and design should be included. Diameter of ring beam, number of supports, beam width, compressive strength of the concrete, and bearing plate width. Which can be summarized from previous studies is that increasing diameter of ring by about 25-75% decreases the capacity load by about 14-36%, while increasing number of supports by about 33-100%, beam width by about 25-75%, compressive strength of concrete by about 24-76%, and bearing plate width by about 25-75% increases the capacity load by about 62-189%, 25-75%, 24-76%, and 5-16%, respectively due to the beam section increase and/or its properties. Frequently, reinforced concrete deep ring beams exhibit shear failure in a manner similar to straight beams. Strut and tie model (STM) and plastic analysis are useful tools for efficiently analyzing ring or curved deep beams. In addition, the nonlinear three-dimensional finite element modeling is typical for predicting the deep curved beams strength and behavior.

Publisher

EDP Sciences

Reference39 articles.

1. Flexural Stresses in Curved Beams of I- and Box-section

2. Broughton D.C., Clark M.E. and Corten H.T., 1950. Tests and Theory of Elastic Stresses in Curved Beams Having I-and T-Sections. Proc. Soc. of Experimental Stress Analysis, 8(1).

3. Geometrically nonlinear transient analysis of thick deep composite curved beams with generalized differential quadrature method

4. Al-Qaicy H.H.G., Marsono A.K. and Hejazi F., 2014. Reinforced Concrete Ring Beams [Nonlinear Finite Element Analysis (NLFEA)].

5. ACI 318-19, 2019. Building Code Requirements for Structural Concrete and Commentary (318R-19) American Concrete Institute, Farmington Hills, Michigan, USA.

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