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.)
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