Influence of a preload on the fatigue behaviour of S355 and S700 cruciform joints

Influence of a preload on the fatigue behaviour of S355 and S700 cruciform joints | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Influence of a preload on the fatigue behaviour of S355 and S700 cruciform joints Lauriane Guilmois, Isabel Huther, Laurent Jubin, Fabien Lefebvre, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4963792/v1 This work is licensed under a CC BY 4.0 License Status: Under Review Version 1 posted 5 You are reading this latest preprint version Abstract Preload application techniques are often used to verify the structural integrity of mechanical systems. Generally, these procedures are performed after the fabrication but before the commissioning of such equipment, without any assessment of the preload impact on fatigue behaviour. These approaches are imposed by standards such as ASTM or DNV that define applicable preload conditions but neither technical justification nor quantification of the impacts are usually given. The aim of this study is to evaluate the effect of a preload for various levels of plastic strains on structural steel S355 or high-strength steel S700 cruciform joints. Fatigue tests were performed in tension (R = 0.1) without preload as reference and after two different levels of preload corresponding to, on one hand a local stress close to the weld toe equal to 1.25 times the yield stress and on the other hand a local stress equal to 1.56 times the yield stress. The fatigue results show an increase of the fatigue strength, depending on the configuration (load-bearing weld beads or load-bearing weld beads), between two and seven FAT classes for the highest level of preload. Preload S355 S700 angle butt weld cruciform joint fatigue Full Text Supplementary Files FatigueTestData.docx Cite Share Download PDF Status: Under Review Version 1 posted Reviewers agreed at journal 17 Dec, 2024 Reviewers invited by journal 17 Dec, 2024 Editor invited by journal 17 Dec, 2024 Editor assigned by journal 15 Dec, 2024 First submitted to journal 14 Dec, 2024 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-4963792","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":391535454,"identity":"4672cf3c-10e2-48a0-a6b1-d4db8228674a","order_by":0,"name":"Lauriane 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