Results 101 to 110 of about 147 (134)

Stability of castellated beam webs

1999
Redwood, R. G. (Advisor)
openaire   +1 more source

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
openaire   +1 more source

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
openaire   +1 more source

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
openaire   +1 more source

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
openaire   +1 more source

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
openaire   +1 more source

Reliability Analysis of Litzka Castellated Beams

Ibero-Latin American Congress on Computational Methods in Engineering (CILAMCE)
This paper presents a safety evaluation of Litzka castellated beams, based on calculation models proposed in the technical literature. It is noteworthy that there are currently no applicable Brazilian standards or official design criteria for this type of structure.
null Washington Batista Vieira, null André Brandão, null Giovanne de Lana Santana   +2 more
openaire   +1 more source

Numerical modelling of castellated beams with hexagonal openings

World Journal of Engineering, 2012
In this paper, a numerical model is developed to predict the behaviour of castellated beams with hexagonal. The numerical model takes into account both material and geometric non-linearity. To initiate buckling, an initial small out-of-plane geometric imperfection, obtained from an eigenvalues buckling analysis, was imposed to the model.
Mostefa Mimoune, Mohammed Soltani, Abdelhamid Bouchair   +2 more
openaire   +1 more source

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
openaire   +1 more source

WEB BUCKLING IN CASTELLATED BEAMS.

Proceedings of the Institution of Civil Engineers, 1974
AA AGLAN, RG REDWOOD
openaire   +1 more source