ADOPTED_FROM:EN 13230-3:2009 This part of prEN 13230 defines technical criteria and control procedures for designing and manufacturing twin block reinforced concrete sleepers.
NS-EN 13230-3:2009 history
2016NS-EN 13230-3:2016 Railway applications — Track — Concrete sleepers and bearers — Part 3: Twin-block reinforced sleepers
2009NS-EN 13230-3:2009 Railway applications — Track — Concrete sleepers and bearers — Part 3: Twin-block reinforced sleepers
2003NS-EN 13230-3:2002 Railway applications — Track — Concrete sleepers and bearers — Part 3: Twin-block reinforced sleepers