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4 R E L A S T ® | S T R U C T U R A L R E I N F O R C E M E N T S Y S T E M RELAST ® Structural reinforcement system The most efficient system for postinstalled reinforcement of bridges tunnels underpasses parking lots and buildings RELAST ® consists of an ISO connection thread from one end and a concrete cutting thread from the other The screw comes with a pressure distribution washer that ensures an even pressure distribution on the surface of the reinforced element a hexagon nut to apply the torque moment and a wedgelock washer to stop the rotation of the nut under dynamic loading The load carrying capacity of RELAST ® is sustained primarily by the mechanical interlock that is achieved when the screw is driven in and the screw threads cut in the concrete and secondarily by the adhesive bond of the screw to the concrete by the injection mortar The load carrying capacity is only activated after the torque moment on the hexagon nut is applied The system is produced on a projectbyproject basis and can only be obtained in full including all components Further information www wuerth de relast > Contact form