Patent ID: 7174920
Filing Date: 2007-02-13
Classification: F16L

Abstract:
1. A method of repairing a pressurized-fluid supply pipeline composed of a succession of buried prestressed concrete pipe segments, comprising the following steps: producing a trench in order to uncover a length of the pipeline; producing a first excavation within the trench under a first portion of the pipeline that is substantially centered with respect to a junction between two adjacent segments; placing and tightening at least one prestressing reinforcement around the first portion of the pipeline; filling the first excavation with soil material and compacting said material; producing a second excavation within the trench under a second portion of the pipeline that is adjacent to the first portion and included within a single segment; placing and tightening at least one prestressing reinforcement around the second portion of the pipeline; filling the second excavation with soil material and compacting said material.