Zobrazeno 1 - 10
of 80
pro vyhledávání: '"J. Obrien"'
Autor:
Claire McGeown, David Hester, Eugene J. OBrien, Chul-Woo Kim, Paul Fitzgerald, Vikram Pakrashi
Publikováno v:
Sensors, Vol 24, Iss 5, p 1684 (2024)
This study proposes the new condition monitoring concept of using features in the measured rotation, or ‘pitch’ signal, of a crossing vehicle as an indicator of the presence of foundation scour in a bridge. The concept is explored through two-dim
Externí odkaz:
https://doaj.org/article/71d9279443dc41d2a6b99c109eaa731a
Autor:
Raffaele Zinno, Eugene J. OBrien
Publikováno v:
Applied Sciences, Vol 13, Iss 21, p 11609 (2023)
In the past, when structures contained elements which were prone to deterioration over time [...]
Externí odkaz:
https://doaj.org/article/16ae160443e64fffb90e7e545344133c
Autor:
Aliya Yakupova, Andrey Tomarovsky, Azamat Totikov, Violetta Beklemisheva, Maria Logacheva, Polina L. Perelman, Aleksey Komissarov, Pavel Dobrynin, Ksenia Krasheninnikova, Gaik Tamazian, Natalia A. Serdyukova, Mike Rayko, Tatiana Bulyonkova, Nikolay Cherkasov, Vladimir Pylev, Vladimir Peterfeld, Aleksey Penin, Elena Balanovska, Alla Lapidus, DNA Zoo Consortium, Stephen J. OBrien, Alexander Graphodatsky, Klaus-Peter Koepfli, Sergei Kliver
Publikováno v:
Genes, Vol 14, Iss 3, p 619 (2023)
Pusa sibirica, the Baikal seal, is the only extant, exclusively freshwater, pinniped species. The pending issue is, how and when they reached their current habitat—the rift lake Baikal, more than three thousand kilometers away from the Arctic Ocean
Externí odkaz:
https://doaj.org/article/1bbddecd839e4c0db35e8a8b56cdc78a
Autor:
Abdollah Malekjafarian, Muhammad Arslan Khan, Eugene J. OBrien, E. Alexandra Micu, Cathal Bowe, Ramin Ghiasi
Publikováno v:
Sensors, Vol 22, Iss 19, p 7468 (2022)
In this paper, a field study is carried out to monitor the natural frequencies of Malahide viaduct bridge which is located in the north of Dublin. The bridge includes a series of simply supported spans, two of which collapsed in 2009 and were replace
Externí odkaz:
https://doaj.org/article/99e8ad49f77142c68310f289636fd14f
Publikováno v:
Journal of Structural Integrity and Maintenance. :1-11
Publikováno v:
Remote Sensing, Vol 14, Iss 13, p 3106 (2022)
For bridges with surface foundations, scour is one of the main reasons for bridge failures. In regard to structural health monitoring, vibration-based scour detection techniques have received increasing attention over the past two decades. Scour occu
Externí odkaz:
https://doaj.org/article/1d487de85c91478a914e4cf564a04492
Publikováno v:
Applied Sciences, Vol 12, Iss 10, p 4972 (2022)
This study introduces a novel method to determine apparent profile of the track and detect railway bridge condition using sensors on in-service trains. The concept uses a type of Inverse Newmark-β integration scheme on data from a batch of trains. I
Externí odkaz:
https://doaj.org/article/7b045ee894354aa08f4175f3915dfe28
Publikováno v:
Applied Sciences, Vol 11, Iss 16, p 7271 (2021)
This paper presents a new moving force identification (MFI) algorithm that uses measured accelerations to infer applied vehicle forces on bridges. Previous MFI algorithms use strain or deflection measurements. Statistics of the inferred forces are us
Externí odkaz:
https://doaj.org/article/96d7ea518c9e4beda85fbb2a82ea5caa
Publikováno v:
International Journal of Structural Stability and Dynamics.
Publikováno v:
Journal of Bridge Engineering. 28