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    Load capacity of reinforced concrete continuous deep beams

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    Publication date
    2008
    Author
    Yang, Keun-Hyeok
    Ashour, Ashraf F.
    Keyword
    REF 2014; Standards and codes; Continuous beams; Plasticity; Concrete; Reinforced; Shear strength; Load capacity
    
    Metadata
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    Abstract
    Most codes of practice, such as EC2 and ACI 318-05, recommend the use of strut-and-tie models for the design of reinforced concrete deep beams. However, studies on the validity of the strut-and-tie models for continuous deep beams are rare. This paper evaluates the strut-and-tie model specified by ACI 318-05 and mechanism analysis of the plasticity theory in predicting the load capacity of 75 reinforced concrete continuous deep beams tested in the literature. The influence of such main parameters as compressive strength of concrete, shear span-to-overall depth ratio, main longitudinal bottom reinforcement, and shear reinforcement on the load capacity is also investigated using both methods and experimental results. Experimental results were closer to the predictions obtained from the mechanism analysis than the strut-and-tie model. The strut-and-tie model highly overestimated the load capacity of continuous deep beams without shear reinforcement.
    URI
    http://hdl.handle.net/10454/6245
    Citation
    Yang, K. H., Ashour, A. F. (2008) Load capacity of reinforced concrete continuous deep beams. Journal of Structural Engineering, 134 (6), 919-929.
    Link to publisher’s version
    http://dx.doi.org/10.1061/(asce)0733-9445(2008)134:6(919)
    Type
    Article
    Collections
    Engineering and Informatics Publications

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