Analysis of the effect of the seismic gap on the response of buildings experiencing pounding during earthquakes

Mahmoud Miari; Robert Jankowski

doi:10.1063/5.0145034

Analysis of the effect of the seismic gap on the response of buildings experiencing pounding during earthquakes

Abstract

The aim of this paper is to investigate the effect of the seismic gap on the dynamic response of buildings experiencing earthquake-induced pounding. Three buildings have been analysed, which are 5-storey, 7-storey and 9-storey structures. Three possible pounding scenarios have been considered, which are pounding between 5-storey and 7-storey buildings, pounding between 5-storey and 9-storey buildings and pounding between 7-storey and 9-storey buildings. Three seismic gaps between these three buildings have been investigated, which are 1 mm (contact structures), 2 cm and 2 m (separated structures). The results of the study show that the acceleration and pounding force time histories are significantly affected by the seismic gap. Moreover, not necessarily smaller gaps lead to smaller accelerations and pounding forces. It has been observed that the response is larger for small gaps in certain cases, while the response is larger for large gaps in other cases. This means that increasing the gap will not reduce the response unless it is large enough to eliminate collisions.

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Details

Category:

Articles

Type:

artykuły w czasopismach

Published in:

AIP Conference Proceedings no. 2848,
ISSN: 0094-243X

Language:

English

Publication year:

2023

Bibliographic description:

Miari M., Jankowski R.: Analysis of the effect of the seismic gap on the response of buildings experiencing pounding during earthquakes// AIP Conference Proceedings -Vol. 2848,iss. 1 (2023), s.020021-

DOI:

10.1063/5.0145034

Sources of funding:

The amount reported is in EUR. The fee on the invoice is 130 EUR funded by the Department of Building Engineering, Faculty of Civil and Environemtnal Engineering.

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