Method and apparatus for excavating soil material

Details Method and apparatus for excavating soil material Method and apparatus for excavating soil material

E - Fixed Constructions

02

F

E02F 5/00 (2006.01) E02D 17/16 (2006.01) E21B 7/12 (2006.01)

Patent

CA 2438634

The invention relates to a method for excavating ground or soil material under a water surface, in which a flat soil layer is crushed by the planned lowering of a working appliance a number of times from a floating body and the crushed soil material is delivered to the water surface. In a first excavation step primary zones are excavated and between the primary zones soil material is left behind in secondary zones. The secondary zones are removed in a second excavation step. For performing the method an apparatus is provided for excavating soil material below a water surface, which comprises a floating body, a working appliance for crushing the soil material, a lifting mechanism and at least one delivery line.

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