Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
This monograph considers the technology of railroad construction, gives the basic requirements for excavation work, considers the basic requirements for the subgrade of railroads. The issue of requirements for the track structure on high-speed railroad tracks is considered. One of the main features of trackless track is given, that well-fixed rails cannot change their length when the temperature rises or falls.