Browse Dept. of Civil and Environmental Engineering by Subject "ballast"
Now showing items 1-3 of 3
(2011-01-14)Railroad engineering practices and Federal Railroad Administration (FRA) regulations require track to be inspected for physical defects at specified intervals, which may be as often as thrice per week. These inspections ...
Integrated computational and experimental framework for the assessment of railroad ballast life-cycle behavior (2015-01-21)Ballast, typically comprising large sized aggregate particles with uniform gradation, is an essential layer in the railroad track substructure. Functions of ballast include facilitating load distribution and drainage, ...
(2014-01-16)A large portion of the annual budget to sustain the railway track system goes toward the maintenance and renewal of ballast. Railroad ballast is a uniformly-graded coarse aggregate placed between and immediately underneath ...