Results 161 to 170 of about 1,758 (201)

Rotational capacity of castellated steel beams

The Structural Design of Tall and Special Buildings, 2012
SUMMARYThis paper numerically studies the behavior of castellated beams with two simply supported ends under moment gradient loading and investigates the effect of beam and braced lengths on rotational capacity of castellated beams. To assure the ability of numerical models in predicting the complex behavior (especially at the location of opening) as ...
Amir Saedi Daryan, Mohammadreza Sadri, Hamid Saberi, Vahid Saberi, Ahmad Baleh Moghadas, Mohammadjavad Karimlu   +5 more
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Finite element analysis of castellated beams

Computers & Structures, 1978
Abstract A method of analysis for the deflection and stresses in castellated beams or also beams with web openings has been presented in this paper using finite element method. A generalised programme for the use of IBM 1620 is also developed. An experimental programme to evaluate the theoretical solution was conducted using five number full sized ...
Sri S.L. Srimani, P.K. Das
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Castellated Beams - New Developments

Engineering Journal, 1964
"Castellated beam" is a name commonly used for a type of expanded beam. It is made by expanding a standard rolled shape in a manner which creates a regular pattern of holes in the web. The name is derived from this pattern of web holes, because castellated means "built like a castle, having battlements, or regular holes in the walls, like a castle ...
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Effect of Stiffeners on Castellated Beams

Asian Journal of Research in Social Sciences and Humanities, 2016
A beam with a number of regular openings in its web is called a castellated beam. Castellated beam gain its advantage due to its increased depth of section without any additional weight. Castellated beam has some limitations also; the occurrence of the holes in the web will change the structural performance of the beam from that of plain webbed beams ...
B. Anupriya, K. Jagadeesan, B. Saranya
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Experiments on elastically braced castellated beams

Journal of Constructional Steel Research, 2012
Castellated beams are widely used as flexural members in steel construction. The economical and structural advantages of these elements have prompted many researchers to investigate the failure behavior of such structures. Despite numerous reported researches on the buckling stability of castellated beams, no experimental study is found on lateral ...
Hossein Showkati, Tohid Ghanbari Ghazijahani, Amir Noori, Tadeh Zirakian   +3 more
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Shear response of castellated steel beams

International Journal of Steel Structures, 2015
Because of non-ductile nature of buckling mode of failure, web-post failure examination of castellated steel beams is considered a critical issue in designing. A detailed numerical study is performed on the shear response of castellated steel beams, susceptible to web-post buckling in this article. The accuracy of the previously proposed formulation is
Peyman Pourbehi, Akbar Pirmoz
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Behaviour of composite castellated beams

Progress in Structural Engineering and Materials, 2000
The effect of composite action on the behaviour of composite castellated beams is described by comparison with that of non-composite beams. It is demonstrated that enhancement of both flexural and shearing resistances can be expected, but that the improved shearing resistance can only be realised if certain conditions are met. The role of partial shear
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WEB POST STRENGTH IN CASTELLATED STEEL BEAMS.

Proceedings of the Institution of Civil Engineers, 1985
An experimental study is reported in which 16 castellated beam specimens of the standard British module have been subjected to locally applied compressive loading over a web post. Experimental failure loads were found to be relatively insensitive both to cross-section geometry and to the exact way in which the load was introduced into the web post. The
T OKUBO, DA NETHERCOT
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OPTIMUM EXPANSION RATIO OF CASTELLATED STEEL BEAMS

Engineering Optimization, 1975
Abstract In this paper, the authors present a numerical analysis for the optimum expansion ratio based on the elastic as well as the plastic method of analysis. The elastic analysis program is based on an iterative process and involves the calculation of allowable loads corresponding to potentially critical flexural and shear stresses at each increment
A. R. GALAMBOS, M. U. HOSAIN, W. G. SPEIRS   +2 more
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Lateral-Torsional Buckling Resistance of Castellated Beams

Journal of Structural Engineering, 2017
AbstractThe existing design expressions for the lateral-torsional buckling behavior of castellated beams conflict. Furthermore, they do not take into account the detrimental effect of the residual stress modification attributable to the fabrication process, which was only recently demonstrated by the authors.
Delphine Sonck, Jan Belis
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