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Papers by Leroy Gardner

Research paper thumbnail of Cellular buckling from mode interaction in I-beams under uniform bending

Proceedings of The Royal Society A: Mathematical, Physical and Engineering Sciences, Sep 21, 2011

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Research paper thumbnail of Data related to the manufacturing and mechanical performance of 3D-printed metal honeycombs

Data in Brief, Feb 1, 2023

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Research paper thumbnail of Numerical Simulation and Design of Steel Angle Section Columns

Social Science Research Network, 2021

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Research paper thumbnail of Mechanical performance and design optimisation of metal honeycombs fabricated by laser powder bed fusion

Thin-walled Structures, Nov 1, 2022

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Research paper thumbnail of Nonlinear analytical modelling of flat and hyperbolic paraboloidal panels under shear

Proceedings of The Royal Society A: Mathematical, Physical and Engineering Sciences, Sep 1, 2021

The hyperbolic paraboloid (hypar) form has been widely used in long-span roof structures and is t... more The hyperbolic paraboloid (hypar) form has been widely used in long-span roof structures and is the subject of much research under out-of-plane loading. However, the behaviour of hypars under in-plane loading has been less keenly studied, and there is no suitable guidance for their design in current codes of practice. A nonlinear analytical model treating the hypar as a deliberate imperfection applied to a flat plate is presented. A Rayleigh–Ritz formulation using appropriate shape functions is developed and the resulting equations are solved using numerical continuation techniques. The results are verified with nonlinear finite-element models, showing good correlation across a range of thicknesses and degrees of initial curvature. Key modal contributions that influence the behaviour of the hypar are identified, providing insight into the nonlinear behaviour of hypars subject to in-plane shear. The main differences in behaviour between the flat plate and the hypar panel are shown to be most prevalent in the early stages of loading, where the influence of the initial geometry is at its greatest.

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Research paper thumbnail of Numerical modelling of prestressed composite cold-formed steel flooring systems

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Research paper thumbnail of Elastic local buckling formulae for thin-walled I-sections subjected to shear and direct stresses

Thin-walled Structures, 2023

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Research paper thumbnail of Probing in situ capacities of prestressed stayed columns: towards a novel structural health monitoring technique

Philosophical Transactions of the Royal Society A, Feb 13, 2023

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Research paper thumbnail of Prestressed stayed beam-columns: Sensitivity to prestressing levels, pre-cambering and imperfections

Engineering Structures, 2021

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Research paper thumbnail of Design of prestressed stayed columns

Journal of Constructional Steel Research, 2013

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Research paper thumbnail of Design and construction of long-span post-tensioned tubular steel structures

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Research paper thumbnail of A new model for calculating the elastic local buckling stress of steel plates in square CFST columns

Thin-walled Structures, Feb 1, 2022

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Research paper thumbnail of Interactive buckling in prestressed stayed beam-columns

International Journal of Mechanical Sciences, May 1, 2020

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Research paper thumbnail of Stability and design of fixed-ended stainless steel equal-leg angle section compression members

Engineering Structures, Dec 1, 2021

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Research paper thumbnail of Analytical Solutions for the Inelastic Lateral-Torsional Buckling of I-Beams Under Pure Bending via Plate-Beam Theory

International Journal of Steel Structures, Oct 8, 2018

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Research paper thumbnail of Testing, simulation and design of steel equal-leg angle section beams

Thin-walled Structures, Feb 1, 2022

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Research paper thumbnail of Compressive behaviour and design of prestressed steel elements

Structures, Feb 1, 2016

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Research paper thumbnail of Finite-Element Modeling of Prestressed Cold-Formed Steel Beams

Journal of Structural Engineering-asce, Oct 1, 2019

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Research paper thumbnail of Testing, numerical analysis and design of stainless steel equal-leg angle section beams

Structures, Mar 1, 2022

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Research paper thumbnail of Stability and ultimate behaviour of prestressed stayed beam-columns

Engineering Structures, Dec 1, 2019

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Research paper thumbnail of Cellular buckling from mode interaction in I-beams under uniform bending

Proceedings of The Royal Society A: Mathematical, Physical and Engineering Sciences, Sep 21, 2011

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Research paper thumbnail of Data related to the manufacturing and mechanical performance of 3D-printed metal honeycombs

Data in Brief, Feb 1, 2023

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Research paper thumbnail of Numerical Simulation and Design of Steel Angle Section Columns

Social Science Research Network, 2021

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Mechanical performance and design optimisation of metal honeycombs fabricated by laser powder bed fusion

Thin-walled Structures, Nov 1, 2022

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Research paper thumbnail of Nonlinear analytical modelling of flat and hyperbolic paraboloidal panels under shear

Proceedings of The Royal Society A: Mathematical, Physical and Engineering Sciences, Sep 1, 2021

The hyperbolic paraboloid (hypar) form has been widely used in long-span roof structures and is t... more The hyperbolic paraboloid (hypar) form has been widely used in long-span roof structures and is the subject of much research under out-of-plane loading. However, the behaviour of hypars under in-plane loading has been less keenly studied, and there is no suitable guidance for their design in current codes of practice. A nonlinear analytical model treating the hypar as a deliberate imperfection applied to a flat plate is presented. A Rayleigh–Ritz formulation using appropriate shape functions is developed and the resulting equations are solved using numerical continuation techniques. The results are verified with nonlinear finite-element models, showing good correlation across a range of thicknesses and degrees of initial curvature. Key modal contributions that influence the behaviour of the hypar are identified, providing insight into the nonlinear behaviour of hypars subject to in-plane shear. The main differences in behaviour between the flat plate and the hypar panel are shown to be most prevalent in the early stages of loading, where the influence of the initial geometry is at its greatest.

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Research paper thumbnail of Numerical modelling of prestressed composite cold-formed steel flooring systems

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Research paper thumbnail of Elastic local buckling formulae for thin-walled I-sections subjected to shear and direct stresses

Thin-walled Structures, 2023

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Research paper thumbnail of Probing in situ capacities of prestressed stayed columns: towards a novel structural health monitoring technique

Philosophical Transactions of the Royal Society A, Feb 13, 2023

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Research paper thumbnail of Prestressed stayed beam-columns: Sensitivity to prestressing levels, pre-cambering and imperfections

Engineering Structures, 2021

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Research paper thumbnail of Design of prestressed stayed columns

Journal of Constructional Steel Research, 2013

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Research paper thumbnail of Design and construction of long-span post-tensioned tubular steel structures

Bookmarks Related papers MentionsView impact

Research paper thumbnail of A new model for calculating the elastic local buckling stress of steel plates in square CFST columns

Thin-walled Structures, Feb 1, 2022

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Research paper thumbnail of Interactive buckling in prestressed stayed beam-columns

International Journal of Mechanical Sciences, May 1, 2020

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Research paper thumbnail of Stability and design of fixed-ended stainless steel equal-leg angle section compression members

Engineering Structures, Dec 1, 2021

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Research paper thumbnail of Analytical Solutions for the Inelastic Lateral-Torsional Buckling of I-Beams Under Pure Bending via Plate-Beam Theory

International Journal of Steel Structures, Oct 8, 2018

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Testing, simulation and design of steel equal-leg angle section beams

Thin-walled Structures, Feb 1, 2022

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Research paper thumbnail of Compressive behaviour and design of prestressed steel elements

Structures, Feb 1, 2016

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Research paper thumbnail of Finite-Element Modeling of Prestressed Cold-Formed Steel Beams

Journal of Structural Engineering-asce, Oct 1, 2019

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Research paper thumbnail of Testing, numerical analysis and design of stainless steel equal-leg angle section beams

Structures, Mar 1, 2022

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Research paper thumbnail of Stability and ultimate behaviour of prestressed stayed beam-columns

Engineering Structures, Dec 1, 2019

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