Effect of the Static Coefficient of Friction of Curved Surface Sliders on the Response of an Isolated Building: Fid-Bau Portal

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Effect of the Static Coefficient of Friction of Curved Surface Sliders on the Response of an Isolated Building

Gandelli, Emanuele / Quaglini, Virginio

Effective implementation of the static friction of sliding isolators in object-oriented software for structural design has not yet been achieved, and use of the dynamic friction only for design is common practice. A modeling strategy to account for the contribution of static friction under unidirectional ground motion histories has been developed and used to assess its effects on the response of a building isolated with curved surface sliders. Under low-to-moderate intensity earthquakes, disregarding static friction can lead to unpredictable response of the isolation system and result in a non-conservative evaluation of accelerations and forces transferred to the superstructure.

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Effect of the Static Coefficient of Friction of Curved Surface Sliders on the Response of an Isolated Building

Gandelli, Emanuele / Quaglini, Virginio

Effective implementation of the static friction of sliding isolators in object-oriented software for structural design has not yet been achieved, and use of the dynamic friction only for design is common practice. A modeling strategy to account for the contribution of static friction under unidirectional ground motion histories has been developed and used to assess its effects on the response of a building isolated with curved surface sliders. Under low-to-moderate intensity earthquakes, disregarding static friction can lead to unpredictable response of the isolation system and result in a non-conservative evaluation of accelerations and forces transferred to the superstructure.

Effect of the Static Coefficient of Friction of Curved Surface Sliders on the Response of an Isolated Building

Gandelli, Emanuele / Quaglini, Virginio

Effective implementation of the static friction of sliding isolators in object-oriented software for structural design has not yet been achieved, and use of the dynamic friction only for design is common practice. A modeling strategy to account for the contribution of static friction under unidirectional ground motion histories has been developed and used to assess its effects on the response of a building isolated with curved surface sliders. Under low-to-moderate intensity earthquakes, disregarding static friction can lead to unpredictable response of the isolation system and result in a non-conservative evaluation of accelerations and forces transferred to the superstructure.

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Title:

Effect of the Static Coefficient of Friction of Curved Surface Sliders on the Response of an Isolated Building

Contributors:

Gandelli, Emanuele (author) / Quaglini, Virginio (author)

Published in:

Journal of Earthquake Engineering ; 24 ; 1361-1389

Publication date:

2020-09-01

Size:

29 pages

ISSN:

1363-2469 , 1559-808X

DOI:

https://doi.org/10.1080/13632469.2018.1467353

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

Unknown

Keywords:

Seismic Isolation , Curved Surface Slider , Static Friction Coefficient , Breakaway , Nonlinear Response History Analysis , Opensees

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