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A platform for research: civil engineering, architecture and urbanism
Seismic performance assessment of stainless steel frames
AbstractThe use of stainless steel for civil engineering structural applications provides possibilities for a more efficient balance between whole-life costs and in-service performance. To achieve a safe and economic design it is necessary to investigate the mechanical response of structural components, connections and the overall system, thus leading to suitable design provisions. This paper assesses the feasibility of the application of stainless steel in the seismic design of regular and irregular framed structures. Towards this aim, static and dynamic analyses have been carried out on a set of 50 moment resisting frames designed in accordance with the European codes of practice (EC3 and EC8). The seismic performance has been assessed in terms of global parameters, i.e. resistance (base shears, system overstrengths), deformation (interstorey drifts and translation ductilities) and energy absorption and redistribution capacity (behaviour factors). The performed analyses show that stainless steel is a viable alternative to carbon steel, provided that proper design choices are employed for the structural configuration and material distribution within the members of the adopted systems. The optimal amount of such metal alloy to enhance the energy absorption capacity is also established on the basis of numerical analyses.
Seismic performance assessment of stainless steel frames
AbstractThe use of stainless steel for civil engineering structural applications provides possibilities for a more efficient balance between whole-life costs and in-service performance. To achieve a safe and economic design it is necessary to investigate the mechanical response of structural components, connections and the overall system, thus leading to suitable design provisions. This paper assesses the feasibility of the application of stainless steel in the seismic design of regular and irregular framed structures. Towards this aim, static and dynamic analyses have been carried out on a set of 50 moment resisting frames designed in accordance with the European codes of practice (EC3 and EC8). The seismic performance has been assessed in terms of global parameters, i.e. resistance (base shears, system overstrengths), deformation (interstorey drifts and translation ductilities) and energy absorption and redistribution capacity (behaviour factors). The performed analyses show that stainless steel is a viable alternative to carbon steel, provided that proper design choices are employed for the structural configuration and material distribution within the members of the adopted systems. The optimal amount of such metal alloy to enhance the energy absorption capacity is also established on the basis of numerical analyses.
Seismic performance assessment of stainless steel frames
Di Sarno, L (author) / Elnashai, A.S (author) / Nethercot, D.A (author)
Journal of Constructional Steel Research ; 59 ; 1289-1319
2003-01-01
31 pages
Article (Journal)
Electronic Resource
English
Steel , Stainless steel , Frames , Seismic design , Structural performance , Overstrength , Behaviour factor , AFSS, austenitic–ferritic (Duplex) stainless steel , ASS, austenitic stainless steel , CBMR, column-to-beam moment ratio , COV, coefficient of variation , Cr, chromium , CS, carbon steel , FSS, ferritic stainless steel , ID, interstorey drift , IMRF, irregular moment resisting frame , LEPP, linear elastic perfectly plastic model , LESH, linear elastic strain hardening model , LENLH, linear elastic non-linear hardening model , LS, limit state , MRF, moment resisting frame , MSS, martensitic stainless steel , MSM, multi-surface model , Ni, nickel , OLT, overlay techniques , PHSS, precipitation hardening stainless steel , ROM, Ramberg–Osgood model , RMRF, regular moment resisting frame , SET, moment resisting frame with setback , SI, stability index , SS, stainless steel , UB, universal beam , UC, universal column , ULS, ultimate limit state , YLS, yield limit state
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