Auteur T. Moço Ferreira
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T. Moço Ferreira, Auteur ; P. Fonseca Teixeira, Auteur ; R. Cardoso, Auteur |High-speed ballasted track design standards usually require the use of sand and gravel layers as subballast to fulfill an accurate protection of the formation layers, not only against traffic loads, but also against the effects of weather. Seaso[...]
