Ultimate strength of perforated steel plates under combined biaxial compression and edge shear loads

Paik, Jeom Kee

doi:10.1016/j.tws.2007.07.010

Cited by 61 publications

(8 citation statements)

References 17 publications

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“…A second 'unit-circle' failure envelope was also obtained for the data shown in figure 5 analogous to the plasticity models for the prediction of failure in biaxially loaded metal plates [45]. The 'unit-circle' failure envelope defined as: provides an appealing, mathematically convenient approximation for the bilinear failure envelope that can be used for the back-of-the-envelope calculation of the graphene ultimate strength in biaxial loading.…”

Section: IImentioning

confidence: 99%

Failure criterion for graphene in biaxial loading—a molecular dynamics study

Yazdani

Hatami

2015

Modelling Simul. Mater. Sci. Eng.

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Molecular dynamics simulations are carried out in order to develop a failure criterion for infinite/bulk graphene in biaxial tension. Stresses along the principal edge configurations of graphene (i.e. armchair and zigzag directions) are normalized to the corresponding uniaxial ultimate strength values. The combinations of normalized stresses resulting in the failure of graphene are used to define failure envelopes (limiting stress ratio surfaces). Results indicate that a bilinear failure envelope can be used to represent the tensile strength of graphene in biaxial loading at different temperatures with reasonable accuracy. A circular failure envelope is also introduced for practical applications. Both failure envelopes define temperature-independent upper limits for the feasible combinations of normalized stresses for a graphene sheet in biaxial loading. Predicted failure modes of graphene under biaxial loading are also shown and discussed.

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Section: IImentioning

confidence: 99%

Failure criterion for graphene in biaxial loading—a molecular dynamics study

Yazdani

Hatami

2015

Modelling Simul. Mater. Sci. Eng.

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“…In essence, a deep understanding of the local buckling and post-buckling behavior of SHSs as well as comprehending the perforations effect on their local stability is of great importance to the industry in terms of material savings. In order to gain a deep insight into the circular perforation effect on the local buckling behavior of rectangular plates from which SHS are constituted, a considerable number of exploratory studies have been dedicated so far [43][44][45][46][47]. Those studies have reported that the local stability of the rectangular plates is adversely influenced by the presence of circular perforations, and this unfavorable effect becomes more evident with increasing circular perforation diameter.…”

Section: A R T I C L E I N F O Abstractmentioning

confidence: 99%

Parametric study on the assessment of the local buckling behavior of perforated square hollow sections with non-uniform wall thickness under axial compression

Dundar,

Nuraliyev

2024

JIENS

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The aim of this rigorous parametric study is to explore the influence of perforations on the local buckling behavior of square hollow sections (SHSs) possessing non-uniform wall thickness. A finite element procedure followed in the current study has been first validated against existing test results documented for the local buckling behavior of the perforated SHS with uniform web and flange segment thickness under axial compression. The linear elastic eigenvalue buckling and elastoplastic buckling analyses have been implemented using the Abaqus engineering finite element code. The verification of the numerical procedure has been achieved by favorably comparing the finite element results with the existing test results in terms of the first local buckling mode shape and load-end shortening curves of the perforated SHS with uniform wall thickness. . The verified numerical procedure has been applied to the problem of finding the perforation effect on the local buckling response of the SHS with non-uniform thickness. Finite element analyses have been performed for four various web width-to-perforation diameter ratios ranging from 0.3 to 0.9. Finite element analysis results have revealed that the presence of perforations does not influence the local buckling mode shape of the SHS but considerably affects the critical local buckling loads. The results have put forth that increasing perforation diameter leads to a more pronounced and drastic decrease in the critical local buckling load. The outcomes of the study have also shown that the critical post-buckling load of the SHS with non-uniform wall thickness is less susceptible to perforations compared to the SHS with uniform wall thickness. The results obtained in the context of this parametric study have been made available to practical engineering for use in actual design of the perforated SHSs.

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“…They determined the optimum aspect ratio for the opening. Paik (2008) obtained a closed-form empirical formula for predicting the ultimate shear strength of steel plates with central circular opening under shear loading by the regression analysis. Pellegrino et al (2009) investigated the influence of the dimension, position, shape (circular or rectangular), and orientation of a hole with respect to the panel slenderness and aspect ratio in steel plates with one perforation subjected to shear loading.…”

Section: Introductionmentioning

confidence: 99%

Risk-Optimal Arrangement of Stiffeners in Steel Plate Shear Walls With Door Opening

Rostami

Mahsuli

2018

Front. Built Environ.

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Placement of steel plate shear walls (SPSW) in the building cores around the elevators and stairs necessitates door-type openings in these systems. Because of large dimensions of door openings, the energy dissipation capacity drops significantly and thus, the probability of out-of-plane buckling under lateral load increases. Accordingly, introducing stiffeners around the opening increases the amount of dissipated energy and improves the performance of the SPSW system. This paper evaluates the seismic risk of SPSW systems with different arrangements of stiffeners around the door opening. Risk, in this context, denotes the probability of failure times the cost of failure of a given SPSW. The probability of failure is computed through a finite element reliability analysis in which material properties, element geometries, and the lateral force are random variables. The failure event is described by a limit-state function as the exceedance of the drift ratio of the SPSW from a prescribed threshold. The drift ratio is computed by subjecting the finite element model to non-linear static analysis in ABAQUS. The reliability analysis is conducted for a variety of single-story SPSW models having door opening with different arrangements of stiffeners and also for a typical SPSW model without opening as a base model. Next, decision analysis is employed to identify the optimal arrangement, i.e., the one that is associated with the minimum risk. Finally, the effect of risk aversion on the optimal decision is studied by introducing risk-averse utility functions with different degrees of risk aversion.

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Ultimate strength of perforated steel plates under combined biaxial compression and edge shear loads

Cited by 61 publications

References 17 publications

Failure criterion for graphene in biaxial loading—a molecular dynamics study

Failure criterion for graphene in biaxial loading—a molecular dynamics study

Parametric study on the assessment of the local buckling behavior of perforated square hollow sections with non-uniform wall thickness under axial compression

Risk-Optimal Arrangement of Stiffeners in Steel Plate Shear Walls With Door Opening

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