Results 31 to 40 of about 1,769,252 (349)

Revisiting the reasons for contact fatigue defects in rails

MATEC Web of Conferences, 2017
As it is known rail is one of the most significant elements of the whole railway construction. Operation under alternating loads from wheels of the rolling stock and different ambient temperatures lead to appearance and development of rail defects and ...
Darenskiy Alexander, Potapov Dmitry, Tuley Yuseph, Bugaets Natalia, Malishevskaya Alina   +4 more
doaj   +1 more source

Research of geometric parameters of symmetric railroad switches [PDF]

MATEC Web of Conferences
Turnouts are a barrier in the track for setting the permissible speeds of trains movements on the main tracks, as they have special structural devices for branching traffic from the main track to the side one.
Oliinyk Olena, Boiko Volodymyr, Molchanov Vitalii, Soroka Olha   +3 more
doaj   +1 more source

Multi-Target Defect Identification for Railway Track Line Based on Image Processing and Improved YOLOv3 Model

IEEE Access, 2020
The condition monitoring of railway track line is one of the essential tasks to ensure the safety of the railway transportation system. Railway track line is mainly composed of tracks, fasteners, sleepers, and so on.
Xiukun Wei, Dehua Wei, Da Suo, L. Jia, Yujie Li   +4 more
semanticscholar   +1 more source

A longer service life of intermediate elastic fastenings KPP-5 due to application of pads PRP-3.2

MATEC Web of Conferences, 2018
Since 2003 Ukrainian railways have used KPP-5 intermediate elastic fastenings. These fastenings unlike their predecessors (for example, terminal-bolted fastenings (KB) widely used on railways), first of all, have fewer elements.
Darenskiy Oleksandr, Bygaets Nataliya, Horiyinova Olga, Voznenko Sergey, Kulik Stanislav   +4 more
doaj   +1 more source

Effect of Foundation Geometry and Structural Properties of Buildings on Railway-Induced Vibration: An Experimental Modeling

Buildings, 2022
This paper considers the impact of foundation geometry on the vibrations transferred to a building in the vicinity of a railway line from the aspect of choosing an appropriate foundation type.
Mehrad Mousavi-Rahimi, Jabbar Ali Zakeri, Morteza Esmaeili   +2 more
doaj   +1 more source

Ways of introduction of the high-speed movement of passenger trains in Ukraine

MATEC Web of Conferences, 2018
The article describes the historical background of the introduction and development of high-speed traffic in the world. The main documents regulating the joint work of high-speed trains of the Commonwealth countries are considered.
Shevchenko Anna, Matviienko Oleksander, Lyuty Vitalii, Manuylenko Vladimir, Pavliuchenkov Mykhailo   +4 more
doaj   +1 more source

A Detailed Model for Investigating Vertical Interaction between Railway Vehicle and Track

The Dynamics of Vehicles on Roads and on Tracks, 2021
SUMMARY A new detailed model is developed to investigate the vertical interactions between railway vehicles and tracks. The model consists of two subsystems of vehicle and track in which the vehicle subsystem is modelled as a multi-body system with 10 ...
W. Zhai, Xiang Sun
semanticscholar   +1 more source

THE MEASUREMENT METHODOLOGY IMPROVEMENT OF THE HORIZONTAL IRREGULARITIES IN PLAN

Nauka ta progres transportu, 2015
Purpose. Across the track superstructure (TSS) there are structures where standard approach to the decision on the future of their operation is not entirely correct or acceptable.
O. M. Patlasov, S. O. Tokariev
doaj   +1 more source

Study of the predominant defect development in rails of underground systems after preventive grinding and lubrication

MATEC Web of Conferences, 2017
In order to determine the method of contact surface treatment and to define the rational surface roughness in the wheel/rail contact for the minimal growth rate of contact fatigue defects the program of experiments in operational conditions was developed.
Voronin Serhii, Skoryk Oleksii, Stefanov Volodymyr, Onopreychuk Dmytro, Korostelov Yevhen   +4 more
doaj   +1 more source

TESTING THE SUITABILITY OF THE EXTRUDED POLYSTYRENE (STYRODUR) APPLICATION IN THE TRACK SUBSTRUCTURE

Acta Polytechnica, 2020
Extruded polystyrene (XPS) and its excellent thermal insulation properties have been known for over 60 years. Due to its thermal, mechanical, but also deformation properties, XPS has a universal application, not only in the construction industry.
Libor Ižvolt, Peter Dobeš, Martin Mečár   +2 more
doaj   +1 more source