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author:

Bergami, A.V. (Bergami, A.V..) [1] | Fiorentino, G. (Fiorentino, G..) [2] | Lavorato, D. (Lavorato, D..) [3] | Briseghella, B. (Briseghella, B..) [4] | Nuti, C. (Nuti, C..) [5]

Indexed by:

Scopus

Abstract:

Near-fault events can cause severe damage to civil structures, including bridges. Many studies have demonstrated that the seismic assessment is not straightforward. Usually, dealing with near-fault ground motion, the structural analysis is performed using Nonlinear Response-History Analysis (NRHA) but in the last years, many authors have tested existing pushover-based procedures originally developed and validated using far-field events. Between those procedures, the Incremental Modal Pushover Analysis (IMPAβ) is a pushover-based procedure specifically developed for bridges that, in this work, was applied to a case study considering near-fault pulse-like ground motion records. The records were analyzed and selected from the European Strong Motion Database. In the paper the results obtained with IMPAβ together with other standard pushover procedures, are compared with NRHA and incremental dynamic analyses; the vertical component of the motion has been also considered. Results obtained with the bridge case study demonstrate that the vertical seismic action has a minor influence on the structural response and that IMPAβ is confirmed as a very effective pushover-based method that can be applied also for near-fault events. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.

Keyword:

Bridge; Near-field; Nonlinear dynamic analysis; Nonlinear static analysis; Pulse-like ground motions

Community:

  • [ 1 ] [Bergami, A.V.]Department of Architecture, Roma Tre University, Rome, 00153, Italy
  • [ 2 ] [Fiorentino, G.]Department of Architecture, Roma Tre University, Rome, 00153, Italy
  • [ 3 ] [Lavorato, D.]Department of Architecture, Roma Tre University, Rome, 00153, Italy
  • [ 4 ] [Briseghella, B.]College of Civil Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 5 ] [Nuti, C.]Department of Architecture, Roma Tre University, Rome, 00153, Italy
  • [ 6 ] [Nuti, C.]College of Civil Engineering, Fuzhou University, Fuzhou, 350108, China

Reprint 's Address:

  • [Bergami, A.V.]Department of Architecture, Roma Tre UniversityItaly

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Source :

Applied Sciences (Switzerland)

ISSN: 2076-3417

Year: 2020

Issue: 19

Volume: 10

Page: 1-19

2 . 2 1 7

JCR@2018

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 7

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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