RAILWAY RAIL LENGTH (VERSIONS) Russian patent published in 2010 - IPC E01B1/00 E01B2/00 E01B3/40 

FIELD: railway transport.

SUBSTANCE: invention relates to railroad construction, particularly to track bed structure designs. Proposed rail length comprises jointed together pre-stressed reinforced concrete slabs. Jointing elements represent steel ropes with protective polymer sheath (in compliance with second version, without polymer sheath) arranged in through channels (in compliance with second version, channels are concreted after tensioning said steel ropes by fast-hardening concrete-sand mortar) inside said slabs and pulling the latter together, flexible elements being arranged between said slabs. Anchors of steel ropes are arranged in concreted jointing rectangular cavities of extreme slabs.

EFFECT: higher reliability.

4 cl, 2 dwg