Studying the railroad track geometry deterioration as a result of an uneven subsidence of the ballast layer

by Olga Nabochenko, Mykola Sysyn, Vitalii Kovalchuk, Yuri Kovalchuk, Andriy Pentsak, Serhii Braichenko
Published 2019-02-01

Development of a promising system for diagnosing the frogs of railroad switches using the transverse profile measurement method

by Vitalii Kovalchuk, Mykola Sysyn, Yuriy Hnativ, Olena Bal, Bogdan Parneta, Andriy Pentsak
Published 2018-03-01

Theoretical study into efficiency of the improved longitudinal profile of frogs at railroad switches

by Vitalii Kovalchuk, Mykola Sysyn, Julia Sobolevska, Olga Nabochenko, Bogdan Parneta, Andriy Pentsak
Published 2018-08-01

Devising a procedure for assessing the subgrade compaction degree based on the propagation rate of elastic waves

by Vitalii Kovalchuk, Ivan Kravets, Olga Nabochenko, Arthur Onyshchenko, Olexander Fedorenko, Andriy Pentsak, Oleksiy Petrenko, Nataliya Hembara
Published 2021-02-01