A method and arrangement for rehabilitation of a ballast bed of a track

Abstract From the Canadian patent

In a method for rehabilitation of a ballast bed (2) of a track (3) - in dependence , upon the degree of fouling of the ballast bed (2) - in a first working method (A), an upper layer (34) of the ballast is picked up by a front clearing device (16) - with regard to a working direction - and transported to a first conveyor belt unit , (27). Parallel thereto the remaining ballast (25) is picked up by a rear clearing , conveyor belt unit (29) to be carried away for disposal. In a second working device (20) - with regard to the working direction - and transported to a second , method (B) which can be carried out selectively the ballast (25) is picked up , exclusively by the rear clearing …