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Attention-based deep recurrent neural network to forecast the temperature behavior of an electric arc furnace side-wall
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-02-12)
Article
Open AccessStructural health monitoring (SHM) in an electric arc furnace is performed in several ways. It depends on the kind of element or variable to monitor. For instance, the lining of these furnaces is made of refractory materials ... -
Novel seismic design solution for underground structures. Case study of a 2-story 3-bay subway station
(Elsevier, 2022-02)
Article
Open AccessThis paper proposes an innovative seismic design approach for shallow rectangular cut-and-cover underground subway or railway stations. The traditional approach is to design rigid frame-like structures by connecting rigidly ... -
Data classification methodology for electronic noses using uniform manifold approximation and projection and extreme learning machine
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-12-22)
Article
Open AccessThe classification and use of robust methodologies in sensor array applications of electronic noses (ENs) remain an open problem. Among the several steps used in the developed methodologies, data preprocessing improves the ... -
Manifold learning algorithms applied to structural damage classification
(2021-06-05)
Article
Open AccessA comparative study of four manifold learning algorithms was carried out to perform the dimensionality reduction process within a proposed methodology for damage classification in structural health monitoring (SHM). Isomap, ... -
Structural damage classification in a jacket-type wind-turbine foundation using principal component analysis and extreme gradient boosting
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-04-13)
Article
Open AccessDamage classification is an important topic in the development of structural health monitoring systems. When applied to wind-turbine foundations, it provides information about the state of the structure, helps in maintenance, ... -
Case study of a heavily damaged building during the 2016 MW 7.8 Ecuador earthquake: directionality effects in seismic actions and damage assessment
(2021-02)
Article
Open AccessIn this work, the directionality effects during the MW 7.8 earthquake, which occurred in Muisne (Ecuador) on 16 April 2016, were analyzed under two perspectives. The first one deals with the influence of these effects on ... -
Entropy indicators: an approach for low-speed bearing diagnosis
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-02-01)
Article
Open AccessTo increase the competitiveness of wind energy, the maintenance costs of offshore floating and fixed wind turbines need to be reduced. One strategy is the enhancement of the condition monitoring techniques for pitch bearings, ... -
A strong-motion database of Costa Rica: 20 Yr of digital records
(2020-11)
Article
Open AccessIn this article, we present a strong-motion database from earthquakes recorded by the Earthquake Engineering Laboratory at the University of Costa Rica. The database consists of 2471 three-component accelerograms from 155 ... -
Dynamic monitoring of a mid-rise building by real-aperture radar interferometer: advantages and limitations
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-03)
Article
Open AccessIn this paper, remote and in situ techniques to estimate the dynamic response of a building to ambient vibration are reported: data acquired through a real-aperture radar (RAR) interferometer and conventional accelerometers ... -
Increased seismic hazard in Barcelona (Spain) due to soil-building resonance effects
(Elsevier, 2019-02)
Article
Open AccessIn this study, previous microzonation studies in Barcelona (Spain) were revisited, and available data on the predominant periods of soils in the city were compiled to develop an updated microzonation map of the city. In ... -
An efficient method for considering the directionality effect of earthquakes on structures
(2021-09)
Article
Open AccessRecent research have proven the importance of considering the directionality effect on the expected seismic damage of structures. However, it demands a high computational effort if the nonlinear dynamic analysis (NLDA) is ... -
Assessment of post-earthquake damaged building with interferometric real aperture radar
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-12-01)
Article
Open AccessIn this study the main results of a detailed analysis of an actual building, which was severely damaged during the Mw 5.1, May 11th 2011, Lorca earthquake (Murcia, Spain) are presented. The dynamic behavior of the building ...
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