الفهرس 
IntroductionOnly 14 pages are availabe for public view
 |  | from | 157 |  |  |
| | | from | 157 | | |
Abstract
One of the modern man’s aspiration is to be able to travel ever faster and more comfort, that is why increasing the running speed is a problem of the day for every mode of transport. For competing the ever keener competition from other means of transport, the railway are obliged to increase the running speed of their trains both on strainght and on curved tracks.