Abstract: This disclosure is directed towards a track assembly having a brace assembly arranged to secure a base plate of the track assembly in position. The track assembly includes a base plate, a mount to which the base plate is secured, a rail secured to the base plate and a brace assembly. The brace assembly is located to provide a force against a side of the base plate. The brace assembly includes a brace block attached to the mount and a wedge inserted in between the brace block and the side of the base plate.

Abstract: The invention provides an arrangement for supporting a rail extending in the longitudinal direction and having curvature in the vertical or horizontal plane which is configured to vary. The arrangement comprises at least one support beam extending in the longitudinal direction, the support beam having a support surface extending along its length, the support surface being curved along the length of the support beam. The arrangement further comprises at least one rail extending in the longitudinal direction and supported over the support surface of the at least one support beam.