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Computers and Concrete Volume 10, Number 6, December 2012 , pages 609-630 DOI: https://doi.org/10.12989/cac.2012.10.6.609 |
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Investigation into the behaviour of deep beam with web openings by finite element |
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Jeung-Hwan Doh, Tae-Min Yoo, Dane Miller, Hong Guan and Sam Fragomeni
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Abstract | ||
Currently, the design of reinforced concrete deep beams with web openings is carried out using empirical or semi-empirical methods and hence their scope of application is limited. In particular, high strength concrete deep beams with various web opening configurations have been given little treatment. In view of this, a nonlinear layered finite element method (LFEM) for cracking and failure analysis of reinforced concrete structures is used to conduct a parametric study to investigate reinforced concrete deep beams various web opening behaviours. This paper initially presents comparisons of LFEM output with published test results to numerical techniques. The paper then focuses on a parametric study on the shear strengths of deep beams with varying web opening configurations such as opening sizes and locations. The results confirm that the current design methods are inadequate in predicting the maximum shear strength when web openings are present. A series of parametric study offers insight into the maximum shear strength of the deep beams being critically influenced by the size and location of web openings. | ||
Key Words | ||
layered finite element; high strength concrete; deep beam; web opening; parametric study. | ||
Address | ||
Jeung-Hwan Doh, Tae-Min Yoo, Dane Miller and Hong Guan: Griffith School of Engineering, Griffith University Gold Coast Campus, Queensland 4222, Australia; Sam Fragomeni: School of Engineering and Science, Victoria University, Melbourne, Australia | ||