Patent ID: 9260821
Filing Date: 2016-02-16
CPC Classification: E01B

Claim Text:
1. A method for converting a ballasted track that comprises a ballast bed resting on a solid underground, crossties lying on the ballast bed, and rails fastened on the crossties by rail fixtures, into a slab track, wherein the method comprises the following steps: removing the ballast bed in a section of the track that extends over a plurality of the crossties, releasing said rail fixtures, removing a first number of said crossties after releasing the rail fixtures, inserting crosstie blocks in said section of the track in vertical positions, fastening the crosstie blocks to the rails, inserting temporary and vertically adjustable supports in said section of the track such that said adjustable supports are supported on said solid underground, resting said rails on said adjustable supports, filling concrete in an area that extends over a number of said crosstie blocks in a direction of said rails, from said solid underground up to at least part of a height of said crosstie blocks, removing a least a part of each of said adjustable supports located between said crosstie blocks in a direction of the rails; and wherein, said conversion is carried out without changing positions of the rails, and the track is immediately operable after placement of the supports without a need for closing the track until all method steps are completed.