Structural Member Sizes for Displacement-Based Design of Reinforced Concrete Frame Buildings

Structural Member Sizes for Displacement-Based Design of Reinforced Concrete Frame Buildings | 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 Structural Member Sizes for Displacement-Based Design of Reinforced Concrete Frame Buildings Linthoinganbi Haobijam, Sunil Singh Mayengbam This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-7537309/v1 This work is licensed under a CC BY 4.0 License Status: Under Review Version 1 posted 8 You are reading this latest preprint version Abstract Unified Performance-Based Design (UPBD) method attempts to optimize the structural member sizes of RCC frame buildings for specific performance objectives, reducing the design iterative efforts and enhancing efficiency. Originally, UPBD was basically validated for certain material grades (M30 concrete and Fe415 rebar steel) and design parameters. In this study UPBD is tested for RCC framed buildings of; 2, 4, 6, and 8 stories; different design Interstorey Drift Ratios (IDR) - 1%, 2%, 3%; M20 Concrete and steel grades of Fe-415 and Fe-500. EC-8 design displacement spectrum at 0.45g seismicity level and type B soil condition is considered. The seismic performance of the structures is checked using Non-Linear Time History Analysis (NLTHA) based on the Spectrum-Compatible Ground Motion (SCGM). It is found that the structures achieved the desired performance levels and IDR with very small exceedance beyond the target IDR by 0.4% in few cases. The ductile failure modes are properly maintained. The resulting beam plastic hinge patterns are also in good terms with the existing equation. This study confirms that UPBD is a practical and effective tool for designing earthquake resistant RCC frame buildings within the considered scopes. Member Sizes Reinforced concrete Time history analysis Inter-storey drift ratio Plastic hinge rotation Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Under Review Version 1 posted Editorial decision: Revision requested 04 Feb, 2026 Reviews received at journal 23 Dec, 2025 Reviewers agreed at journal 24 Nov, 2025 Reviewers agreed at journal 01 Nov, 2025 Reviewers invited by journal 22 Oct, 2025 Editor assigned by journal 09 Sep, 2025 Submission checks completed at journal 09 Sep, 2025 First submitted to journal 04 Sep, 2025 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. 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