On the Seismic Response of Protected and Unprotected Middle-Rise Steel Frames in Far-Field and Near-Field Areas
Author
Source
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-11, 11 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-07-15
Country of Publication
Egypt
No. of Pages
11
Main Subjects
Abstract EN
Several steel moment-resisting framed buildings were seriously damaged during Northridge (1994); Kobe (1995); Kocaeli, Turkey (1999), earthquakes.
Indeed, for all these cases, the earthquake source was located under the urban area and most victims were in near-field areas.
In fact near-field ground motions show velocity and displacement peaks higher than far-field ones.
Therefore, the importance of considering near-field ground motion effects in the seismic design of structures is clear.
This study analyzes the seismic response of five-story steel moment-resisting frames subjected to Loma Prieta (1989) earthquake—Gilroy (far-field) register and Santa Cruz (near-field) register.
The design of the frames verifies all the resistance and stability Eurocodes’ requirements and the first mode has been determined from previous shaking-table tests.
In the frames two diagonal braces are installed in different positions.
Therefore, ten cases with different periods are considered.
Also, friction dampers are installed in substitution of the braces.
The behaviour of the braced models under the far-field and the near-field records is analysed.
The responses of the aforementioned frames equipped with friction dampers and subjected to the same ground motions are discussed.
The maximum response of the examined model structures with and without passive dampers is analysed in terms of damage indices, acceleration amplification, base shear, and interstory drifts.
American Psychological Association (APA)
Foti, Dora. 2014. On the Seismic Response of Protected and Unprotected Middle-Rise Steel Frames in Far-Field and Near-Field Areas. Shock and Vibration،Vol. 2014, no. 2014, pp.1-11.
https://search.emarefa.net/detail/BIM-1047905
Modern Language Association (MLA)
Foti, Dora. On the Seismic Response of Protected and Unprotected Middle-Rise Steel Frames in Far-Field and Near-Field Areas. Shock and Vibration No. 2014 (2014), pp.1-11.
https://search.emarefa.net/detail/BIM-1047905
American Medical Association (AMA)
Foti, Dora. On the Seismic Response of Protected and Unprotected Middle-Rise Steel Frames in Far-Field and Near-Field Areas. Shock and Vibration. 2014. Vol. 2014, no. 2014, pp.1-11.
https://search.emarefa.net/detail/BIM-1047905
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1047905