Author:Rampersad, Ashiel; George, Theresa B; Mokoena, Refiloe; Mgangira, Martin B; Gräbe, PJDate:Jul 2018The contamination of railway ballast (referred to as ballast fouling) is commonly caused by ballast particle degradation, external debris fouling due to surface spillage and clay fouling due to subgrade pumping. Intrusion of these fines in ...Read more
Author:Anochie-Boateng, Joseph; Komba, Julius J; Mvelase, Gculisile MDate:Jun 2013There is a need to improve the measurements of shape characteristics of aggregates and ballast materials used in the construction of road, airfield, and railway track infrastructures. The fundamental shape properties of aggregate and ballast, ...Read more