The use of prefabricated segments in Man-Entry work to form a new lining within a defective pipe. The segments are usually sealed at the joints and the annulus is grouted. See Lining with Pipe Segments.
The use of prefabricated segments in Man-Entry work to form a new lining within a defective pipe. The segments are usually sealed at the joints and the annulus is grouted. See Lining with Pipe Segments.