Tag Archives: sub-ballast functions

Ballast Specification for High Axle Load & High Speed ≥ 250kmph – Seminar

Ballast Specification For High Axle Load & High Speed ≥ 250kmph submitted by PONAMALA RAVI KUMAR Introduction Indian Railway has embarked upon ambitious modernization plan to improve the carrying capacity of the existing network besides construction of dedicated Freight Corridors. In order to achieve the objective of carrying more freight & passenger traffic, designing the… Read More »

Bituminous Ballast & Applications in Railway Construction

Bituminous Ballast & Applications in Railway Construction Bituminous Ballast Bituminous ballast consists of mixture of aggregate and bitumen. The mineral aggregate varies from very fine dust (filler) to a maximum particle size, which is usually around 40 mm. By varying the composition of the mixture, the ratio of the various constituents and the particle size… Read More »