Page 328 - Trenchless Technology Piping Installation and Inspection
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Construction and Inspection for Cur ed-in-Place Pipe 287
(a) Partially deteriorated (b) Fully deteriorated
FIGURE 7.1 (a) and (b) Structural defects. (Source: Insituform Technologies.)
(a) Encrustation (b) Roots
FIGURE 7.2 (a) and (b) Operational and maintenance defects. (Source: Insituform
Technologies.)
(a) Deposits (b) Break-in, protruding laterals
FIGURE 7.3 (a) and (b) Construction defects. (Source: Insituform Technologies.)