Process and device for building a tunnel immersed on a sub-sea soil
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United States of America Patent
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Aug 3, 2010
Grant Date -
Oct 25, 2007
app pub date -
May 11, 2005
filing date -
May 12, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A tunnel is built in successive sections by a machine suitable for operating at the surface and in immersion that is displaced in the water on the sub-sea soil. This machine includes a fluid-tight working space (6) for accommodating the personnel and equipment required for construction. Further, this space has a rearward-facing opening for building and erecting a section at the rear of the machine. The forward section of the machine includes a ballastable chamber (7) which prepares and grades the soil for erection of a section.
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