Optimum design of steel structures with web openings

Lagaros, Nikos D.; Psarras, Lemonis D.; Papadrakakis, Manolis; Panagiotou, Giannis

doi:10.1016/j.engstruct.2008.02.002

Cited by 71 publications

(38 citation statements)

References 14 publications

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“…The overall surprise was Up until now, researchers have been focused on the strength-, stiffness-, and ductility-based design approach mainly of solid steel beam-to-column connections, while investigating various types of connections and their seismic performance. In parallel, the last decade there is a dramatic increase of use of perforated beams in steel frames as they offer numerous advantages [Yang et al, 2009;Lagaros et al, 2008;Kazemi and Hosseinzadeh, 2011] such as:…”

Section: Introductionmentioning

confidence: 99%

Assessment of Perforated Steel Beam-to-Column Connections Subjected to Cyclic Loading

Tsavdaridis

Faghih

Nikitas

2014

Journal of Earthquake Engineering

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Section: Introductionmentioning

confidence: 99%

Assessment of Perforated Steel Beam-to-Column Connections Subjected to Cyclic Loading

Tsavdaridis

Faghih

Nikitas

2014

Journal of Earthquake Engineering

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“…Lagaros et al [4] stated that the arrangement of multiple openings in the beams has also been adopted for aesthetical considerations. The effects of circular or square web openings on the ultimate strength of horizontally curved composite plate girders had conducted by Basher et al [5].…”

Section: Introductionmentioning

confidence: 99%

Finite Element Analysis of Lateral Torsional Buckling Behaviour of Tapered Steel Section with Perforation

Naaim

De’nan

Choong

et al. 2016

MATEC Web of Conferences

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Abstract. This paper presents the finite element analysis of lateral torsional buckling of tapered steel section with perforation. The numerical analysis consists of four main models with a ratio of tapering 0.3 for 3.5m and 5.5m span and ratio of tapering 0.5 for 3.5m and 5.5m span. This study has 94 models in order to investigate the effect of thickness and the openings on the buckling moment. LUSAS software was used to carry out the finite element analysis to study the effect of web opening on the buckling behavior which had five variables such as thickness of web and flange, opening size, ratio of tapering, and opening arrangement. The opening size from 0.2D to 0.4D is recommended because buckling moment capacity difference only around 2% was observed for the opening size exceeds 0.4D. Ratio of tapering 0.3 and ratio of tapering 0.5 was observed increase with the web opening area. The deformation patterns are almost similar for the different sizes of web openings and ratio of tapering. Based on the finite element results, tapered steel section without perforation has higher buckling moment capacity. The comparison of the buckling moment between non-perforated sections with the recommended section is around 2% to 4%.

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“…Some numerical simulations in order to provide data for the development of a design model for the shear capacity of steel girders with web openings, with and without transverse stiffeners and opening reinforcements were performed by Hagen et al [14] and Hagen and Larsen [15]. Lagaros et al [16] studied an optimum design of 3D steel structures having per-forated I-section beams. Lian and Shanmugan [17] reported that on plate girders curved in plan containing centrally placed circular web openings, the observed failure mechanism in the tests was similar to that observed in plate girders without web openings, the only difference being the position of plastic hinges on the flange plates.…”

Section: Introductionmentioning

confidence: 99%

Static and Dynamic Analysis Web Opening of Steel Beams

Eldehemy¹

2017

WJET

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According to the purpose of the opening and the structural designer, the shape of the web opening is decided. It is too easy to choose the shape of openings from regular shape whether it is circular or rectangular shape. The presence of openings in the web of steel beams decreases stiffness of the beam and introducing a larger deflection than in the steel web opening with solid opening. A steel beam with web opening is analyzed in this paper. ABAQUS software is using for analyzing nonlinear static and dynamic opening of steel beam with different position and supporting conditions.

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Optimum design of steel structures with web openings

Cited by 71 publications

References 14 publications

Assessment of Perforated Steel Beam-to-Column Connections Subjected to Cyclic Loading

Assessment of Perforated Steel Beam-to-Column Connections Subjected to Cyclic Loading

Finite Element Analysis of Lateral Torsional Buckling Behaviour of Tapered Steel Section with Perforation

Static and Dynamic Analysis Web Opening of Steel Beams

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