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Steel and Composite Structures
  Volume 23, Number 6, April30 2017 , pages 647-656

Experimental investigation for failure analysis of steel beams with web openings
Samadhan G. Morkhade and Laxmikant M. Gupta

    This paper presents an experimental study on the behaviour of steel beams with different types of web openings. Steel beams with web openings became progressively more accepted as a well-organized structural form in steel construction since their existence. Their complicated design and profiling method provides better flexibility in beam proportioning for strength, depth, size and location of holes. The objective of this study is to carry out the experiments on steel beams with different types of web openings and performed non-linear finite element (FE) analysis of the beams that were considered in the experimental study in order to determine their ultimate load capacity and failure modes for comparison. Ten full scale models of steel beam with web openings have been tested in the experimental investigation. The finite element method has been used to predict their entire response to increasing values of external loading until they lose their load carrying capacity. FE model of each specimen that is utilized in the experimental studies is carried out. These models are used to simulate the experimental work to verify test results and to investigate the nonlinear behaviour of failure modes such as local buckling, lateral torsional buckling, web-post buckling, shear buckling and Vierendeel bending of beams.
Key Words
    experimental study; steel beams with web openings; non-linear finite element analysis; failure modes; web post buckling
Department of Applied Mechanics, Visvesvaraya National Institute of Technology, Nagpur 440 010, India.

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