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After prestressed tensioning is refers to the first production component, and according to the location of the prestressed reinforcement in component to set aside the corresponding channel, after being member of concrete strength reached 75%, in the reserved channel through tensioning prestressed tendons, and after using the tensioned anchorage of prestressed reinforcement at the end of artifacts, relying on the component of end anchorage of prestressed reinforcement tension to the concrete, make its produce preloading stress, finally into the slurry in the channel, the prestressing tendons and concrete members form the whole.