On the structural stability of timber members to Eurocode

Hassan, Osama

doi:10.1080/15397734.2019.1633344

Cited by 6 publications

(2 citation statements)

References 9 publications

(12 reference statements)

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“…However, one can notice that these works were not specifically developed for laterally supported tropical timber structures according to Eurocode 5. Steiger and Fontana 23 and Hassan 24 analysed the stability of timber members with respect to bending moment and axial force without considering the effect of torsional or flexural-torsional buckling. The stability of timber members with respect to lateral-torsional buckling was investigated further by Challamel and Girhammar and Girhammar, 25 Hofmann and Kuhlmann, 26 Bedon and Fragiacomo 27 and Koris and Bodi.…”

Section: Introductionmentioning

confidence: 99%

Non-linear analysis of the flexural-torsional stability of slender tropical glulam beams

Bikanda,

Lissouck,

Massaga

et al. 2023

The Journal of Strain Analysis for Engineering Design

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The main objective of this manuscript is to model the flexural-torsional buckling of slender tropical glulam beams using the finite element method. The non-linear approach to quantify both the buckling strength and the lateral geometrical features of wooden beams is proposed. A very rigorous methodology is used which is based on the kinematic Vlasov’s theory to determine the displacement field of the beam section by considering an updated Lagrangian description. For the finite element discretization, the Author develop a single wood element characterized by 14 degrees of freedom, i.e. seven degrees for each nodal point, and derive non-linear stiffness matrices by using the virtual works principle. The model is implemented in MatLab and the numerical results are compared with results based on the classical linear stability theory of slender wood beams. The selected case-studies are a cantilever beam and a beam on two supports.

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Section: Introductionmentioning

confidence: 99%

Non-linear analysis of the flexural-torsional stability of slender tropical glulam beams

Bikanda,

Lissouck,

Massaga

et al. 2023

The Journal of Strain Analysis for Engineering Design

View full text Add to dashboard Cite

show abstract

“…However, it is noted that these works are not specifically developed to laterally supported timber structures according to Eurocode 5. Steiger and Fontana [6] and Hassan [7] considered the stability of timber members with respect to bending moment and axial force without considering the effect of torsional or flexural torsional buckling. The stability of timber members with respect to lateral-torsional buckling considering different structures was investigated further by Challamel and Girhammar [8], Hofmann and Kuhlmann [9], Bedon and Fragiacomo [10] and Koris and Bódi, [11].…”

Section: Introductionmentioning

confidence: 99%

The effect of flexural–torsional buckling on the stability of timber members: a case study

Hassan

2021

SN Appl. Sci.

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This study investigates the stability of timber members subjected to simultaneously acting axial compression and bending moment, with possible risk for torsional and flexural–torsional buckling. This situation can occur in laterally supported members where one side of the member is braced but the other side is unbraced. In this case, the free side will buckle out of plane while the braced side will be prevented from torsional and flexural–torsional buckling. This problem can be evident for long members in timber-frame structures, which are subjected to high axial compression combined with bending moments in which the member is not sufficiently braced at both sides. This study is based on the design requirement stated in Eurocode 5. Solution methods discussed in this paper can be of interest within the framework of structural and building Engineering practices and education in which the stability of structural elements is investigated. Article Highlights This case study investigates some design situations where the timber member is not sufficiently braced. In this case, a stability problem associated with combined torsional buckling and flexural buckling can arise. The study shows that the torsional and/or flexural–torsional buckling of timber members can be important to control in order to fulfil the criteria of the stability of the member according to Eurocode 5 and help the structural engineer to achieve safer designs. The study investigates also a simplified solution to check the effect of flexural torsional buckling of laterally braced timber members.

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Reliability analysis of discrete-state performance functions via adaptive sequential sampling with detection of failure surfaces

Vořechovský

2022

Computer Methods in Applied Mechanics and Engineering

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On the structural stability of timber members to Eurocode

Cited by 6 publications

References 9 publications

Non-linear analysis of the flexural-torsional stability of slender tropical glulam beams

Non-linear analysis of the flexural-torsional stability of slender tropical glulam beams

The effect of flexural–torsional buckling on the stability of timber members: a case study

Reliability analysis of discrete-state performance functions via adaptive sequential sampling with detection of failure surfaces

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