| 摘要 |
A method of tuning a concrete sleeper, comprising deforming the reinforced concrete sleeper beyond its elasticity limits by bending at least a portion of the reinforced concrete sleeper about a transverse axis thereof, thereby generating cracks in the reinforced concrete sleeper, before mounting it at a rail. An apparatus for tuning reinforced concrete sleepers, comprising means for deforming a concrete sleeper beyond its elasticity limits by forcing at least a portion of the concrete sleeper to bend about a transverse axis thereof, thereby causing cracks in the concrete sleeper. |
