Overturning of rigid blocks for earthquake excitation

Overturning of rigid blocks on rigid foundations subjected to earthquakes in principle can be analyzed by simple replacement signals. The effect of a signal is generally characterized by its overturning curve. In this paper a new approach is presented, which is based on the overturning acceleration...

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Bibliographic Details
Published inBulletin of earthquake engineering Vol. 16; no. 3; pp. 1607 - 1631
Main Authors Ther, Tamás, Kollár, László P.
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Netherlands 01.03.2018
Springer Nature B.V
Subjects
Acceleration
Civil Engineering
Duration
Earth and Environmental Science
Earth Sciences
Earthquakes
Environmental Engineering/Biotechnology
Geophysics/Geodesy
Geotechnical Engineering & Applied Earth Sciences
Hydrogeology
Original Research Paper
Rigid blocks
Rigid foundations
Seismic activity
Seismic design
Seismic engineering
Structural Geology
Rocking
Rigid body
Impulse duration
Housner
Overturning spectra
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Summary:Overturning of rigid blocks on rigid foundations subjected to earthquakes in principle can be analyzed by simple replacement signals. The effect of a signal is generally characterized by its overturning curve. In this paper a new approach is presented, which is based on the overturning acceleration spectra (OAS). It is shown that an earthquake can be reasonably well represented for overturning by two parameters: the peak ground acceleration and the replacement impulse duration. In the paper the OAS of rigid blocks is presented for 100 different earthquake records. Based on the replacement impulse duration a simple design method is presented to predict the safety of rocking blocks.
ISSN:1570-761X
1573-1456
DOI:10.1007/s10518-017-0238-z