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A parametric study on the effect of rotational ground motions on building structural responses

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A parametric study on the effect of rotational ground motions on building structural responses. / Vicencio, Felipe; Alexander, Nicholas A.

In: Soil Dynamics and Earthquake Engineering, Vol. 118, 01.03.2019, p. 191-206.

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@article{5030be2e47794181bb9750c7ade93d7a,
title = "A parametric study on the effect of rotational ground motions on building structural responses",
abstract = "The characteristics of the rotational components of strong earthquake ground motion and their effects on structural response are rarely considered. A reduced order parametric model is used to investigate the effects of the rotational ground motions upon buildings, which includes the influence of Soil-Structure Interaction. An indirect method of extracting rotational ground components using a multi-station procedure is employed. Ground accelerogram data recorded from the SMART-1 array in Taiwan for three different events are used. Over 3 million system/ground motion cases are analysed in this extensive parametric study. The results show that the rotational ground motion can significantly affect the displacement and acceleration responses of certain structures. The impact of the rotational ground motion depends principally on the amplitude ratio of the rotational to horizontal ground motion and the phase difference content at the structural system's frequencies.",
keywords = "Rotational ground motion, SMART-1 dense array, Time history seismic analysis",
author = "Felipe Vicencio and Alexander, {Nicholas A.}",
year = "2019",
month = "3",
day = "1",
doi = "10.1016/j.soildyn.2018.12.022",
language = "English",
volume = "118",
pages = "191--206",
journal = "Soil Dynamics and Earthquake Engineering",
issn = "0267-7261",
publisher = "Elsevier",

}

RIS - suitable for import to EndNote

TY - JOUR

T1 - A parametric study on the effect of rotational ground motions on building structural responses

AU - Vicencio, Felipe

AU - Alexander, Nicholas A.

PY - 2019/3/1

Y1 - 2019/3/1

N2 - The characteristics of the rotational components of strong earthquake ground motion and their effects on structural response are rarely considered. A reduced order parametric model is used to investigate the effects of the rotational ground motions upon buildings, which includes the influence of Soil-Structure Interaction. An indirect method of extracting rotational ground components using a multi-station procedure is employed. Ground accelerogram data recorded from the SMART-1 array in Taiwan for three different events are used. Over 3 million system/ground motion cases are analysed in this extensive parametric study. The results show that the rotational ground motion can significantly affect the displacement and acceleration responses of certain structures. The impact of the rotational ground motion depends principally on the amplitude ratio of the rotational to horizontal ground motion and the phase difference content at the structural system's frequencies.

AB - The characteristics of the rotational components of strong earthquake ground motion and their effects on structural response are rarely considered. A reduced order parametric model is used to investigate the effects of the rotational ground motions upon buildings, which includes the influence of Soil-Structure Interaction. An indirect method of extracting rotational ground components using a multi-station procedure is employed. Ground accelerogram data recorded from the SMART-1 array in Taiwan for three different events are used. Over 3 million system/ground motion cases are analysed in this extensive parametric study. The results show that the rotational ground motion can significantly affect the displacement and acceleration responses of certain structures. The impact of the rotational ground motion depends principally on the amplitude ratio of the rotational to horizontal ground motion and the phase difference content at the structural system's frequencies.

KW - Rotational ground motion

KW - SMART-1 dense array

KW - Time history seismic analysis

UR - http://www.scopus.com/inward/record.url?scp=85059859357&partnerID=8YFLogxK

U2 - 10.1016/j.soildyn.2018.12.022

DO - 10.1016/j.soildyn.2018.12.022

M3 - Article

VL - 118

SP - 191

EP - 206

JO - Soil Dynamics and Earthquake Engineering

T2 - Soil Dynamics and Earthquake Engineering

JF - Soil Dynamics and Earthquake Engineering

SN - 0267-7261

ER -