Content
Processes
Wall Construction of the Lining Tube
Static Proof
Imperfections
Depending on the host pipe condition, imperfections must be assumed for the liner, i.e. it must be assumed in the calculation that the cross-sectional shape of the liner does not correspond to the nominal or initial internal contour of the host pipe, but deviates from it in a certain shape and to a certain extent.
In the currently valid set of rules, the following three types of imperfections are to be considered:
- Local imperfection wv
- Joint ring deformation wGR,V
- Gap formation wS
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