title: More on the Development of Rigidity Evaluation Techniques of Freight Car Structures and Their Components in the Design and on Trials. Adjustment of Design Loads
abstract: While justifying selection of steel grades for replaceable cast parts as well as service life and interrepair run guidelines of freight cars to be operated on the JSC RZD network it is necessary to take into account its severe climatic environment. The authors highlight the appropriateness of examination of metal specimens taken from tank-car thin-walled shells being in service for as long as 10 to 20 years in order to identify loss of the shell material ductility. The specimens must be cut out 
journal: SHILAP Revista de lepidopterología