|
|
|
|
|
Ulf Gerber
Pág. 19 - 23
The inhomogeneity of the substructure will be described by the so-called variance of the substructure in this paper. The result will be a formulation of the permanent way?s service life as a function of the variance of the substructure. An example will b...
ver más
|
|
|
|
|