Scientific paper ID 2014 : 2020/3
ANALYSIS OF RESULTS FROM OPERATIONAL OBSERVATIONS OF A TRIAL SECTION WITH PRE-STRESSED REINFORCED CONCRETE SLEEPERS WITH PADS UNDERNEATH THEM
In recent years many leading companies such as voestalpine VAE Sofia, Vossloh, Getzner and others have begun to offer reinforced concrete sleepers for switches and for the railway track, with assembled pads of processed tires for protection the ballast from destruction, for increasing the bearing capacity of the railway superstructure, for reducing the operating costs and extending the sleepers life.
In March 2017 at Prostorno station were installed two new railway switches with rail type 60 E1 and reinforced concrete sleepers with mounted pads underneath, as it is the first railway section of this type in Bulgaria.
стоманобетонни траверси експлоатационен живот полиуретанови подложки вибрации шум комфорт на пътуванеreinforced concrete sleepers operational life polyurethane pads vibrations noise comfort of travelDimitar Andreev
 Nikolaus Sh., firma „Getsner”
(  Николаус Ш., фирма „Гецнер” )
 „fyostalpine FAE Sofiya”
(  „фьосталпине ФАЕ София” )
 Avstriyski federalni zheleznitsi
(  Австрийски федерални железници )