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182.782  Articles
1 of 18.279 pages  |  10  records  |  more records»
Two methods are proposed for the vertical roughness determination of railway track depending on data of the measuring carriage – trigonometric series method and numerical method. The vertical roughness and a warp were calculated on each rail. The warp was... see more

It is known a priori that vibrations that occur in the elements of the track structure during the passage of a train load are a superposition of free and forced mechanical vibrations. It has been established that the range of oscillation frequencies of th... see more

This paper aims to present a new estimate for the vertical offset between both Brazilian vertical data: DVB-I, in Imbituba-SC, and DVB-S, in Santana-AP. Brazilian Fundamental Altimetric Network (BFAN) currently has over 69000 stations with known normal-or... see more

The modern problems of plan of railway track from survey to realization of project are considered and the directions of their solution are offered.

The history and the basic research directions of Branch track testing research laboratory ofDnepropetrovsk national university of railway transport named after academician V. Lazarjan are given in the article.

A high speed train-track-subgrade vertical coupled dynamic model is developed in frequency domain. In this model, coupling effects between vehicle and track and between track and subgrade are considered. Full vehicle is represented by a rigid body model o... see more

Purpose. When locomotives move in curved sections of the railway track, horizontal forces arise, which lead to pressing the ridge of the wheel pair to the railway track. The article is aimed to develop a method for determining the frame force acting on th... see more

The criterion of an estimation influence a rolling stock on a track which results in the end of a resource the basis under rails and necessities of replacement the top structure in view of a condition of a way and structure of a stream of trains on a site... see more

Considering the definition of the International Height Reference System (IHRS) in the geopotential space (Resolution 1/2015, International Association of Geodesy - IAG), among the present main objectives of the international geodetic community is the mate... see more

1 of 18.279 pages  |  10  records  |  more records»