Results 151 to 160 of about 1,758 (201)

Failure modes for castellated beams

Journal of Constructional Steel Research, 1984
Abstract Previous studies of the structural behaviour of castellated beams are reviewed and a number of different possible failure modes identified. Several of these do not occur with plain webbed beams since they are a direct result of the different way in which shear is transferred through the perforated web.
D. Kerdal, D.A. Nethercot
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Distortional buckling of castellated beams

Journal of Constructional Steel Research, 2006
Abstract In previous studies of the structural behavior of castellated steel beams, different possible failure modes of these extensively used structural members have been identified and investigated. On the other hand, during the past 25 years or so, a proliferation of research work has been undertaken on the distortional buckling of steel members ...
Tadeh Zirakian, Hossein Showkati
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Stress Distribution in Castellated Beams

Journal of the Structural Division, 1971
A method of analysis for stress in castellated beams and beams with web openings is developed in this paper using finite difference, theory of elasticity solutions for both pure moment and pure shear loadings. An experimental program to evaluate the theory of elasticity solutions was conducted using nine full-sized test members.
James A. Mandel, Paul J. Brennan, Benjamin A. Wasil, Charles M. Antoni   +3 more
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Parameteric Study of Castellated Beam

Advanced Materials Research, 2010
“Castellated beam” is a name commonly used for type of expanded beam. Castellated beams combine beauty, versatility, economy in steel design. These are fabricated from standard rolled section and are engineered to save time of construction, enabling saving in steel and reducing building costs.
P.D. Pachpor, L.M. Gupta, N.V. Deshpande, Komal Bedi   +3 more
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Castellated Beam Deflections Using Substructuring

Journal of the Structural Division, 1977
Several approximate methods are presently available for calculating deflections in castellated steel beams, yet, none is very accurate. Using Pippard.s approximate method of analysis of open-panel structures, Gardner was able to predict deflection to within 5% or better in several simply supported castellated beams; the method, however, involves ...
Metro M. Hrabok, Mahbub U. Hosain
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Numerical Modeling of Composite Castellated Beams

Composite Construction in Steel and Concrete VI, 2011
In modern composite structures, higher steel grades are used for structural steel profiles in order to increase span capacity without an unnecessary increase in the composite floor depth. This tendency results in beams that are more vulnerable to the failure modes that involve either web LSB (local shear buckling) and/or compression flange RDB ...
Marian A. Gizejowski, Wael A. Salah
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Castellated Beam Web Buckling in Shear

Journal of Structural Engineering, 1998
Tests of four castellated beams are described, in which the buckling of the web-post between openings was the focus of interest. Evidence of web-post buckling was observed in all test beams, although one also underwent lateral displacements. Elastic finite-element analysis was used to predict the buckling loads.
Richard Redwood, Sevak Demirdjian
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Bracing requirements for inelastic castellated beams

Journal of Constructional Steel Research, 2005
Lateral–torsional buckling can be avoided by properly spaced and designed lateral bracing. Bracings are usually assumed to be elastic, and so may be characterized by their elastic stiffnesses. It is well known that an elastic lateral brace restricts partially the lateral buckling of slender beams and increases the elastic buckling moment.
Amin Mohebkhah, Hossein Showkati
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Lateral Instability of Castellated Beams

Engineering Journal, 1974
The study reported herein deals with the lateral instability analysis of castellated beams using the principle of minimum potential energy. Several experiments available from the literature provide information for selecting the deformed configuration which satisfies the conditions of both statics and geometry at the boundary; certain idealizations are ...
Umesh C. Pattanayak, Jr. Chesson
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