Track structure for direct connecting with concrete-filled steel pipe, and constructing method for the same

摘要

PURPOSE: A track structure with a concrete-filled steel pipe and a construction method thereof are provided to control track irregularity by directly installing a rail fastener on a concrete-filled steel pipe. CONSTITUTION: A track structure(100) using a concrete-filled steel pipe comprises two rails(110), steel pipes(120), spacers(130), rail fasteners(140), base plates(150), fixing studs(160), and fill concrete. The rails guide the wheels of a train. The steel pipes are installed on the bottoms of the rails and support the load of the train. The spacers are welded between the steel pipes to maintain the gap between the rails. The rail fasteners elastically fasten the rails to the tops of the steel pipes. The base plates are attached to the surfaces of the steel pipes and fix the rail fasteners to the steel pipes. The fixing studs fix the base plates to the top surfaces of the steel pipes. The fill concrete is filled in the steel pipes to reduce vibration.