在高层结构中使用泵送混凝土时,需要一种有效的清管方法。在施工现场配置分离式清管装置,可使管道的清理方便、并使残留混凝土的处理简化。这种方法是用一个与一段短的清料管道连接的液压换向阀门,把残留在管道中的混凝土直接送入搅拌车中 When using pumped concrete in high-rise structures, there is a need for an effective pigging method. Disposing a separate pigging device at the construction site can facilitate the cleaning of the pipeline and simplify the handling of residual concrete. In this method, a hydraulic reversing valve connected to a short clearing pipe is used to send the concrete remaining in the pipe directly into the mixer truck.