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Investigating the Behaviour of Concrete Deep Beams With Web Openings Using Finite Element Analysis

Jahangiri, Vali | 2010

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 40501 (09)
  4. University: Sharif University of Technology
  5. Department: Civil Engineering
  6. Advisor(s): Khaloo, Alireza
  7. Abstract:
  8. Because of absence of adequate studies, design of deep beams with web openings has not yet been covered by most codes of practice. The most studies have been on simply supported deep beams with web openings and have been set up experimentally. There are very few tests of continuous deep beams available in the literature. So it was decided in this thesis the behaviour of concrete continuous deep beams with web openings using finite element software ANSYS to be investigated. Primary purpose of this thesis has been evaluating the use of finite element analysis method for analysis of concrete continuous deep beams with web openings. The next target of this thesis has been assessment of some main factors affecting the behaviour and performance of these beams. For this purpose two concrete continuous deep beams with web openings was analyzed to failure using ANSYS and compared to experimental results to calibrate the parameters in ANSYS for later analyses. Based on the results obtained from the calibration model, 36 concrete deep beams were analyzed and Behavior of these beams such as crack propagation before failure, modes of failure, failure load, end support reactions and load-deflection diagrams were evaluated. Finally, some main factors affecting the behaviour of concrete continuous deep beams with web openings such as amount and type of web reinforcement, size, shape and location of web opening were evaluated. Conclusions regarding the analysis are then drawn at the end of thesis and recommendations for further research are made.
  9. Keywords:
  10. Finite Element Method ; Reinforced Concrete Deep Beams ; Continuous Beam Model ; Web Opening ; Opening Shape ; Failure Load ; Deflection

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