Výsledky vyhledávání - "Hamidreza Anajafi"

Akademický článek

Effectiveness of Seismic Isolation for Long-Period Structures Subject to Far-Field and Near-Field Excitations

Autor: Hamidreza Anajafi, Kiavash Poursadr, Milad Roohi, Erin Santini-Bell

Publikováno v: Frontiers in Built Environment, Vol 6 (2020)

This study evaluates primarily the effectiveness of seismic isolation for structures with intermediate and relatively long non-isolated periods (e.g., bridges with tall piers) subjected to near-field (NF) and far-field (FF) excitations. The inelastic

Externí odkaz: https://doaj.org/article/e36b46d7e5c044e3b55bd27f1c234d70

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Evaluation of the Floor Acceleration Response Spectra of Numerical Building Models Based on Recorded Building Response Data

Autor: Ricardo A. Medina, Christoph Adam, Hamidreza Anajafi

Publikováno v: Journal of Earthquake Engineering. 26:6378-6402

The recorded floor acceleration responses of a wide variety of instrumented buildings are used to evaluate the findings of previous numerical studies regarding the effect of different parameters on...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2d60fbe9bbe279b9af9d57502af63661
https://doi.org/10.1080/13632469.2021.1927887

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Inelastic floor spectra for designing anchored acceleration-sensitive nonstructural components

Autor: Ricardo A. Medina, Erin Santini-Bell, Hamidreza Anajafi

Publikováno v: Bulletin of Earthquake Engineering. 18:2115-2147

In this study, inelastic floor spectra are developed for designing acceleration-sensitive nonstructural components (NSCs). The parameters response modification (reduction) factor, $$ R_{\text{cc}} $$, and inelastic displacement ratio, $$ C_{\text{cc}

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4a137f494314bfcaddc7f99a5d88f24b
https://doi.org/10.1007/s10518-019-00760-8

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Damping modification factor for elastic floor spectra

Autor: Hamidreza Anajafi, Ricardo A. Medina

Publikováno v: Bulletin of Earthquake Engineering. 17:6079-6108

Nonstructural components (NSCs) housed in building structures are subject to semi-narrow band excitations generated via filtering of the ground motion by the supporting building. NSC design forces are generally provided based on adopting a 5% NSC vis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a3ecea648d11be1864051f3ef0880c38
https://doi.org/10.1007/s10518-019-00684-3

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Lessons Learned from Evaluating the Responses of Instrumented Buildings in the United States: The Effects of Supporting Building Characteristics on Floor Response Spectra

Autor: Ricardo A. Medina, Hamidreza Anajafi

Publikováno v: Earthquake Spectra. 35:159-191

Floor spectra of many instrumented buildings are evaluated to identify and quantify influential parameters on the horizontal seismic responses of acceleration-sensitive nonstructural components (NSCs). It is shown that many of these parameters are no

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d1010daa6bd21ef3daa1b6b9304cb634
https://doi.org/10.1193/081017eqs159m

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Comparison of the seismic performance of a partial mass isolation technique with conventional TMD and base-isolation systems under broad-band and narrow-band excitations

Autor: Hamidreza Anajafi, Ricardo A. Medina

Publikováno v: Engineering Structures. 158:110-123

In the present study a partial mass isolation (PMI) technique is proposed. This approach, through isolating different portions of masses at different stories, can provide a building with multiple inherent vibration suppressors without the need to add

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b7be712ba56f15b24aba6792ea3a66f3
https://doi.org/10.1016/j.engstruct.2017.12.018

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