Development and experimental verification of corrugated steel sheathed CFS shear walls with a self-centering energy dissipation brace

Development and experimental verification of corrugated steel sheathed CFS shear walls with a self-centering energy dissipation brace | 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 Development and experimental verification of corrugated steel sheathed CFS shear walls with a self-centering energy dissipation brace Yan Zhao, Liang Chen, Wenying Zhang, Zhiqiang Xie, Xiuli Du, Cheng Yu, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-9157074/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 This study presents the development and experimental evaluation of a novel cold-formed steel (CFS) shear wall system enhanced with a self-centering energy dissipation brace (SCEDB). The system integrates corrugated steel sheathing with a SCEDB to improve seismic performance while minimizing residual displacements. Experimental investigations included component-level tests on three SCEDB configurations with varying friction forces and preloads, followed by full-scale monotonic and cyclic tests on six wall specimens. These comprised two conventional walls and four SCEDB walls, utilizing two types of corrugated sheathing with rib heights of 5 mm (Q915) and 15 mm (V76). Results demonstrate that the SCEDB significantly improves the seismic performance of corrugated steel sheathed CFS walls. The optimal SCEDB configuration provided stable flag-shaped hysteresis, balancing self-centering and energy dissipation. Compared to unbraced walls, SCEDB walls exhibited increases in shear capacity up to 47% for Q915 walls and 27% for V76 walls, along with enhanced initial stiffness and cumulative energy dissipation. The brace also altered the failure mode from brittle stud buckling to a more ductile, sheathing-dominated pattern involving panel buckling and screw connection failures when boundary studs were strengthened into built-up sections. Crucially, the SCEDB system effectively reduced residual drifts by 40–52% for Q915 walls and 24–31% for V76 walls, demonstrating strong self-centering capability. The SCEDB-enhanced corrugated steel sheathed CFS shear wall system offers a viable solution for enhancing seismic performance and post-earthquake reparability, supporting its application in mid- to high-rise structures in seismic regions. Cold-formed steel Seismic performance Corrugated steel sheathing Shear wall Self-centering energy dissipation brace Full Text Cite Share Download PDF Status: Under Review Version 1 posted Reviewers agreed at journal 16 Apr, 2026 Reviewers invited by journal 15 Apr, 2026 Editor invited by journal 21 Mar, 2026 Editor assigned by journal 21 Mar, 2026 First submitted to journal 19 Mar, 2026 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. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. 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-9157074","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":623951568,"identity":"5b20f912-c048-44b9-8abe-73c300075c13","order_by":0,"name":"Yan Zhao","email":"","orcid":"","institution":"Xihua University","correspondingAuthor":false,"prefix":"","firstName":"Yan","middleName":"","lastName":"Zhao","suffix":""},{"id":623951569,"identity":"8c7a3c7b-2cf0-455d-92d1-c96bb9cd793e","order_by":1,"name":"Liang Chen","email":"","orcid":"","institution":"China Architecture Design and Research 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The system integrates corrugated steel sheathing with a SCEDB to improve seismic performance while minimizing residual displacements. Experimental investigations included component-level tests on three SCEDB configurations with varying friction forces and preloads, followed by full-scale monotonic and cyclic tests on six wall specimens. These comprised two conventional walls and four SCEDB walls, utilizing two types of corrugated sheathing with rib heights of 5 mm (Q915) and 15 mm (V76). Results demonstrate that the SCEDB significantly improves the seismic performance of corrugated steel sheathed CFS walls. The optimal SCEDB configuration provided stable flag-shaped hysteresis, balancing self-centering and energy dissipation. Compared to unbraced walls, SCEDB walls exhibited increases in shear capacity up to 47% for Q915 walls and 27% for V76 walls, along with enhanced initial stiffness and cumulative energy dissipation. The brace also altered the failure mode from brittle stud buckling to a more ductile, sheathing-dominated pattern involving panel buckling and screw connection failures when boundary studs were strengthened into built-up sections. Crucially, the SCEDB system effectively reduced residual drifts by 40\u0026ndash;52% for Q915 walls and 24\u0026ndash;31% for V76 walls, demonstrating strong self-centering capability. 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