AIJ Journal of Technology and Design
Online ISSN : 1881-8188
Print ISSN : 1341-9463
ISSN-L : 1341-9463
Structures
ANALYTICAL STUDY ON INFLUENCE OF MULTIPLE WEB OPENINGS ON RC FOOTING BEAMS USING NONLINEAR FINITE ELEMENT ANALYSIS
Takuya KINOSHITA, Naohiro NAKAMURA, Hiroto TAKATSU, Naoki ASOU, Atsunari HANAI, Hiroaki OHTA
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Keywords: RC footing beam, Multiple web openings, 3D-FEM, RC nonlinear analysis, Crack distribution
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2013 Volume 19 Issue 41 Pages 141-146

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Abstract
In this paper, the influence of multiple web openings on RC footing beams is investigated. Three-dimensional finite element analysis considering the non-linearity of both concrete and rebar is used. Simulation analysis of previous experiment is firstly conducted for the evaluation of the accuracy of our analysis. Stress conditions and crack distributions between experiment and analysis are compared. Further analyses are conducted with new model with different arrangement of small unreinforced openings. Finally, the influence of small web openings to the beam stiffness and strength is discussed.
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© 2013 Architectural Institute of Japan
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