Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Inelastic Behavior of Steel and Composite Frame Structure Subjected to Earthquake Loading

Version 1 : Received: 23 May 2023 / Approved: 24 May 2023 / Online: 24 May 2023 (04:42:44 CEST)

A peer-reviewed article of this Preprint also exists.

Gajbhiye, P.D.; Mashaan, N.S.; Bhaiya, V.; Wankhade, R.L.; Vishnu, S.P. Inelastic Behavior of Steel and Composite Frame Structure Subjected to Earthquake Loading. Appl. Mech. 2023, 4, 899-926. Gajbhiye, P.D.; Mashaan, N.S.; Bhaiya, V.; Wankhade, R.L.; Vishnu, S.P. Inelastic Behavior of Steel and Composite Frame Structure Subjected to Earthquake Loading. Appl. Mech. 2023, 4, 899-926.

Abstract

Steel construction is used more often these days as an alternative to the R.C.C. when light weight, high strength, large-span structures with a faster erection are required. Extensive studies have been done by researchers to study the seismic performance of reinforced concrete and steel structures, both in terms of elastic and inelastic behavior. Composite construction is also a recent advancement in the building industry with similar advantages. However, no emphasis has been given to the comparison between the inelastic behavior of steel and composite structures when subjected to lateral loads. This study compares the inelastic behavior of steel and a composite frame designed to have the same plastic moment capacity for structural members. The responses, such as the formation of hinges, story drifts, story displacements, lateral stiffness, ductility, maximum strength, energy dissipated, joint accelerations, and performance points, are compared with the aid of the building analysis and design software ETABS-18. For this, response spectrum analysis, pushover analysis and nonlinear direct integration time history analysis have been performed on both frames. For design and analysis, international codes such as IS 800-2007, IS 875 (Part I, II, IV), IS 1893-2002, AISC 360 (16 & 10) and FEMA 440 have been used. Part of this study also aims at comparing the response of these frames when subjected to near field and far field earthquakes. It can be concluded from the results that the post yield performance of the composite frame is superior to that of the steel frame when seismically excited.

Keywords

Direct integration time history analysis; Response spectrum analysis; Push over analysis; Near field earthquake; Far field earthquake; ETABS

Subject

Engineering, Civil Engineering

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