REINFORCED CONCRETE BASE Russian patent published in 1997 - IPC

FIELD: track structure, mainly, of opencast railroad. SUBSTANCE: the offered reinforced concrete base has tie with central socket in underrail platform, locking member located in mentioned above socket and tie plate installed on underrail platform. Locking member is formed by bushing embedded in concrete in the socket and pin installed in bushing in a spaced relation to bushing vertical walls. Tie plate has hole coaxial to the socket, and hole accommodates end of pin protruding out of bushing. Pin end face forms gap together with foot of installed rail. EFFECT: higher efficiency. 1 dwg