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Seismic design of non-structural components mounted on irregular reinforced concrete buildings

journal contribution
posted on 2023-05-21, 09:06 authored by Aldeka, AB, Tziavos, NI, Gkantou, M, Dirar, S, Andrew ChanAndrew Chan
The seismic response of non-structural components (NSCs) attached to irregular reinforced concrete (RC) multi-storey buildings is underestimated by current European design provisions. This paper presents a new design model for NSCs, accounting for the effect of torsion and seismic capacity of an irregular RC primary structure (P-structure). The proposed model is a modification of the current Eurocode 8 (EC8) model for the acceleration amplification factor of NSCs. It is based on the results of some 5000 nonlinear dynamic finite element analyses conducted on thirty-three building cases. The finite element analyses covered a wide range of parameters including plan layout, seismic capacity, fundamental vibration period, total height, floor rotation, ground type and eccentricity ratio. The proposed model has been demonstrated to be an improvement over EC8 model, especially for NSCs mounted on the flexible side and in tune with the fundamental vibration period of a P-structure.

History

Publication title

Journal of Building Engineering

Volume

46

Article number

103783

Number

103783

Pagination

1-13

ISSN

2352-7102

Department/School

School of Engineering

Publisher

Elsevier Ltd

Place of publication

United Kingdom

Rights statement

© 2021 Elsevier Ltd. All rights reserved.

Repository Status

  • Restricted

Socio-economic Objectives

Civil construction design; Cement and concrete materials

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