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

Citation

Aldeka, AB and Tziavos, NI and Gkantou, M and Dirar, S and Chan, AHC, Seismic design of non-structural components mounted on irregular reinforced concrete buildings, Journal of Building Engineering, 46, (1) Article 103783. ISSN 2352-7102 (2022) [Refereed Article]


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DOI: doi:10.1016/j.jobe.2021.103783

Abstract

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.

Item Details

Item Type:Refereed Article
Keywords:design, eurocode 8, irregular buildings, non-structural components, torsion
Research Division:Engineering
Research Group:Civil engineering
Research Field:Structural dynamics
Objective Division:Construction
Objective Group:Construction materials performance and processes
Objective Field:Cement and concrete materials
UTAS Author:Chan, AHC (Professor Andrew Chan)
ID Code:150823
Year Published:2022
Deposited By:Engineering
Deposited On:2022-07-01
Last Modified:2022-09-01
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