FIELD: construction.
SUBSTANCE: in the pipeline recovery method, when it is examined, there are areas with deterioration of more than 10%, the force layer is formed on the outer surface of the worn sections, provide cleaning of the inner surface of the worn sections and apply the primer and backfilling coating on the cleaned inner surface after reaching 70% of the design strength of the external power layer.
EFFECT: strength provision of the pipeline repaired sections with great wear.
2 cl, dwg
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