Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/154759
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dc.contributor.authorZhang, Luluen_US
dc.contributor.authorTan, Kang Haien_US
dc.contributor.authorZhao, Ouen_US
dc.date.accessioned2022-01-07T02:22:23Z-
dc.date.available2022-01-07T02:22:23Z-
dc.date.issued2020-
dc.identifier.citationZhang, L., Tan, K. H. & Zhao, O. (2020). Local stability of press-braked stainless steel angle and channel sections : testing, numerical modelling and design analysis. Engineering Structures, 203, 109869-. https://dx.doi.org/10.1016/j.engstruct.2019.109869en_US
dc.identifier.issn0141-0296en_US
dc.identifier.urihttps://hdl.handle.net/10356/154759-
dc.description.abstractThis paper reports an experimental and numerical investigation into the local stability of press-braked stainless steel angle and channel sections. The experimental programme was performed on two equal-leg angle sections and two plain channel sections, and included material testing, initial local geometric imperfection measurements, eight stub column tests and ten laterally restrained beam tests (about the geometric axes for angle sections and minor principal axes for channel sections). This was supplemented by a numerical simulation programme, where finite element models were firstly established to replicate the test structural responses and then employed to derive further numerical data through parametric studies. The results obtained from the structural testing and numerical modelling were adopted to evaluate the accuracy of the codified local buckling design provisions established in America, Europe and Australia and New Zealand. The evaluation results revealed that all the design codes greatly underestimate the cross-section resistances of press-braked stainless steel equal-leg angle and plain channel section stub columns and laterally restrained beams, mainly attributed to the neglect of the pronounced material strain hardening effect of stainless steel in the design. The continuous strength method (CSM) is an advanced deformation-based design method, allowing for a rational utilisation of material strain hardening in determining cross-section resistances, and its scope of application has been recently extended from doubly-symmetric (I- and tubular) sections to mono-symmetric and asymmetric (angle, channel and T-) sections. Quantitative evaluation of the CSM was conducted through comparing the predicted cross-section resistances against the experimental and numerical results. The CSM was found to yield substantially more accurate and consistent design cross-section resistances for press-braked stainless steel equal-leg angle and plain channel section stub columns and laterally restrained beams than the established design codes.en_US
dc.language.isoenen_US
dc.relation.ispartofEngineering Structuresen_US
dc.rights© 2019 Elsevier Ltd. All rights reserved.en_US
dc.subjectEngineering::Civil engineeringen_US
dc.titleLocal stability of press-braked stainless steel angle and channel sections : testing, numerical modelling and design analysisen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Civil and Environmental Engineeringen_US
dc.identifier.doi10.1016/j.engstruct.2019.109869-
dc.identifier.scopus2-s2.0-85074494224-
dc.identifier.volume203en_US
dc.identifier.spage109869en_US
dc.subject.keywordsContinuous Strength Methoden_US
dc.subject.keywordsDesign Analysisen_US
item.grantfulltextnone-
item.fulltextNo Fulltext-
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