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Construction
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Description: Centrifugally Cast Concrete Pipe
is the process whereby a high-strength fiber reinforced
mortar is centrifugally cast inside the pipe wall
to form a fully structural pipe within a pipe. Instructions: Before any work commences the pipe must first be inspected and material and thickness specified by the design engineer. The interior surface shall be cleaned with a high-pressure water-blast sufficient to remove all laitance and loose material and flush debris from the pipe. If necessary any voids, separated joints or missing invert must be filled with a high-strength grout and allowed to set. All active infiltration must be stopped. Position the rotating casting applicator within the center of the host pipe and commence pumping the mixed mortar. As the mortar begins to be centrifugally cast evenly around the interior, retrieve the applicator head at the best speed for applying the engineered design thickness that has been selected. To achieve the required thickness several passes may be necessary. Allow proper curing before releasing bypass. |
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Centrifugally Cast Concrete Pipe Liner |
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