Patent ID: 6954974

Claim:
A method of constructing a rail track on a concrete slab, in which method the concrete slab is poured around anchor members for fixing tie plates supporting the rails of said rail track, which method includes the following steps: suspending said rails premounted on their tie plates above the location at which said concrete slab is to be poured, each tie plate including a base under which is disposed a temporary tie plate including guide bushes engaging in close-fitting openings in said base, said guide bushes including a close-fitting bore receiving an anchor member consisting of a threaded rod having a portion which projects beyond the bottom face of said temporary tie plate, adjusting the position of said rails to move said bottom plate of said temporary tie plates accurately to the location at which said tie plates supporting said rails must rest, pouring said concrete slab up to the height of said temporary tie plates, raising said rails and removing said temporary tie plates, and accurately positioning said rails premounted on their tie plates on said concrete slab and fixing said tie plates to said anchor members.