Grouting method
AssigneeIllinois Tool Works Inc.
InventorFlemming Frost Hansen
Life of this patent
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Abstract
A method of fixing an offshore structure to a pre-piled foundation pile is provided. A tube is piled into the sea floor and the offshore structure includes a leg inserted into the foundation pile. Grout is applied to a first region between an end portion of the leg and the sea floor within the foundation pile. The grout is allowed to at least partially cure, and then grout is applied to a second region. The second region is an annular region between the leg and the foundation pile.
Claims15
A method of fixing an offshore structure to a pre-piled foundation pile positioned on a sea floor, wherein the foundation pile comprises a tube piled into the sea floor and the offshore structure comprises a leg inserted into a proximal end of the foundation pile, wherein the method comprises applying grout to a first region between an end portion of the leg inserted into the foundation pile and the sea floor entrapped within the foundation pile, a dredge line defined by level of the sea floor within the foundation pile after the tube has been piled, allowing the grout to at least partially cure proximal to the dredge line, and then applying grout to a second region abutting the at least partially cured grout, wherein the second region is an annular region between the leg and the foundation pile.
Dependencies are inferred from the claim text.