Articles published in the issue 12, 2014

Improvement of normative documents according to a condition of a way at the high-speed movement

Keywords: specifications of the contents of a rail track speed and high-speed traffic, full-scale irregularities, harmonized standards.

Abstract

Increasing speed on some sections of Railways up to 200 km/h and above, demanded a revision of the requirements for the assessment of road condition. A key moment in the finalization of the requirements was to assess the so-called "full-scale irregularities", that describes the spatial location of a rail track in a predetermined wavelength range, and not only the display of different track measurement means.

Authors

V.O. Pevzner – Dr. of Technical Science, Professor, Chief Researcher, JSC Railway Research Institute (JSC VNIZhT);

O.U. Belocvetova – Candidate of biology Science, Leading Research Worker, JSC Railway Research Institute (JSC VNIZhT);

V.V. Tretyakov – Candidate of technical Science, Senior Research Worker, JSC Railway Research Institute (JSC VNIZhT);

I.V. Tretyakov – Junior Researcher, JSC Railway Research Institute (JSC VNIZhT), tretiv@gmail.com;

K.V. Shapetko – Junior Researcher, JSC Railway Research Institute (JSC VNIZhT), shapetko.k@gmail.com.

Laying railroad line in areas of high seismicity account roadbed

Keywords: complex geographical conditions, cargo-line, high seismicity, method of designing track of the railway, fixed plan, "corridor Profile", fixed design track, "corridor plan", sidehill fill, sidehill cut

Abstract

This article discusses the design and construction of cargo-lines, in particular – high seismicity (7-10 on the Richter scale). A new method of designing the track of the railway line in conditions of high seismicity, designed to take into account the harmful effects of earthquakes when laying tracks at the design stage and / or at the stage of adjustment.

Authors

Mironov Viktor Stepanovich, candidate of technical Sciences, Professor,. the Department "Design and construction of Railways", Moscow state railway University, e-mail: vsm46@mail.ru

Petrushin Alexey Valerievich, postgraduate student, Department "Design and construction of Railways", Moscow state railway University, e-mail: lexa1189@mail.ru

Rational layout of the sleepers — a reserve for increasing the life of rails

Keywords: Fatigue defects in the rail head, congestion of rail lashes, the scheme of symmetric and asymmetric changes of the tolerances of the gauge, and the rails podoloski, classification changes, tolerance, mathematical model of the motion of the wheelset, rational layout, concrete sleepers, increasing the working life of rails. 

Abstract 

The paper shows different schemes of the deviation tolerances of the gauge, proposes their classification, the most dangerous schemes that may affect increased the impact of the crew on the way, we propose a mathematical model of the motion of a single wheelset on a track with dangerous changes in the tolerances of the gauge.

Provides a method for the rational layout of concrete sleepers on tolerances, eliminating or significantly reducing the side load on the rail from rolling stock, through automated schema change of the deviations tolerances of the gauge.

Author

Kremnev Evgeny Alekseevich, postgraduate student ROAP, engineer of JSC "ROSZHELDORPROEKT" branch "Nizhegorodzeldorproekt", e-mail: rewyil207@yandex.ru