Searched for: author%3A%22Oregui+Echeverria-Berreyarza%2C+M.%22
(1 - 4 of 4)
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Molodova, M. (author), Oregui Echeverria-Berreyarza, M. (author), Nunez, Alfredo (author), Li, Z. (author), Dollevoet, R.P.B.J. (author)
This paper presents a health condition monitoring system for insulated rail joints (IRJs) based on axle box acceleration (ABA) measurements. The ABA signals from all the wheels of the measuring train are processed to extract those characteristics that better represent the quality of the IRJ. Then, different indicators are used for damage...
journal article 2016
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Oregui Echeverria-Berreyarza, M. (author), Li, S. (author), Nunez, Alfredo (author), Li, Z. (author), Carroll, R (author), Dollevoet, R.P.B.J. (author)
Rail joints are a weak component in railway tracks because of the large impact and wheel-rail contact forces. Every train passage contributes to the deterioration of rail joints, causing visible (e.g. battered rails) and invisible (e.g. loose bolts) damages. The invisible damage cannot be detected by the commonly performed visual inspection,...
journal article 2016
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Oregui Echeverria-Berreyarza, M. (author), Nunez, Alfredo (author), Dollevoet, R.P.B.J. (author), Li, Z. (author)
This paper presents a sensitivity analysis of railpad parameters on vertical railway track dynamics, incorporating the nonlinear behavior of the fastening (i.e., downward forces compress the railpad whereas upward forces are resisted by the clamps). For this purpose, solid railpads, rail-railpad contact and preloaded springs are defined in a...
journal article 2016
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Oregui Echeverria-Berreyarza, M. (author)
Railway deterioration has an immediate impact on our daily life. The correct functioning of trams, metros and trains is required to regularly transport hundreds of millions of passengers and tons of goods. A key aspect to guarantee the massive passenger and freight transport is to prevent or, at least, slow down railway deterioration. The main...
doctoral thesis 2015
Searched for: author%3A%22Oregui+Echeverria-Berreyarza%2C+M.%22
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