Prestressed concrete railway sleeper provided with a device for increasing the transmission of the stresses between the metallic reinforcement and the mix

摘要

The present invention relates to a prestressed concrete railway sleeper provided with a device for increasing the transmission of the stresses between the metallic reinforcement elements and the mix, comprising a high elastic limit steel wire spiral (4; 4') provided coaxially externally around at least one reinforcement element (3) in the zone interested by the transmission of the stresses.