Analysis and modelling of the seismic behaviour of high ... - Ingegneria

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1. INTRODUCTION joints whilst 2D model allows the behaviour of moment resisting composite frames to be understood. 1.2.3 Seismic behaviour of RC columns embedding steel profiles This last research activity, conducted in the third year of the Ph.D. course, is part of another European Project titled Two Innovations For Earthquake Resistant Design - INERD Project, that deals with the improvement of the resistance and ductility of reinforced concrete (RC) structures using the performance of structural steel profiles. The general objective is to establish a new standard constructional rule able to improve the seismic safety of reinforced concrete structures, without great changes to traditional constructional practice. This rule consists in promoting one specific construction measure for lower storeys of reinforced concrete structures, by which steel profiles would be encased in RC columns in order to provide them with a basic reliable shear and compression resistance. The introduction of this new concept is justified by the fact that the main safety problem for RC structure is the soft storey failure, that is a localization of buildings seismic deformations and rupture in one or two lower storeys as a consequence of the major discrepancy existing between design assumptions and real requirements. The proposed idea is to use encased steel sections as ductile fuses able to dissipate the energy of the earthquake in the lower storeys of buildings in a cyclic way. 5
1. INTRODUCTION 1.3 References 6 Bursi O.S., Caramelli S., Fabbrocino G., Molina J., Salvatore W., Taucer F. (2004): 3D Full-scale seismic testing of a steel-concrete composite building at ELSA. Contr. No. HPR-CT-1999-00059. Eur Report, European Community. Plumier A. (2000): General report on local ductility. Journal of Constructional Steel Research, 55, 91–107. prEN 1998-1:2002: Design of structures for earthquake resistance. Part 1: general rules, seismic actions and rules for buildings - Draft n°5.
Page 1 and 2: Dipartimento di Ingegneria Meccanic
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3. SEISMIC BEHAVIOUR OF BOLTED END
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4. SEISMIC RESPONSE OF PARTIAL-STRE
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5. SEISMIC BEHAVIOUR OF RC COLUMNS
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6. SUMMARY, CONCLUSIONS AND FUTURE
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Analysis and modelling of the seismic behaviour of high ... - Ingegneria

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