Gorobets' V. EXPERIMENTAL-AND-THEORETICAL METHODS OF ESTIMATION OF RESOURCE OF THE RAILWAY ROLLING STOCK SUPPORTING STRUCTURES

The dissertation is devoted to development of experimental-and-theoretical methods of determination of estimations of durability and resource of the basic rolling stock sup-porting structures. The development and perfection of methods of theoretical and experimental estima-tion of characteristics of fatigue resistance of supporting structures are carried out includ-ing use of indirect methods; the mathematical description of test systems of supporting structures on natural transport vibrations is created. The choice of test conditions for per-forming the bench tests of supporting structures, including large-sized ones, is theoreti-cally proved. The experimental-and-theoretical method of carrying out the complex of works on estimation of durability and resource of the rolling stock is advanced. The strength research and resource estimation of several types of the rolling stock are carried out with an application of methods developed in the dissertation.