JACKET SUPPORTING HEIGHT ADJUSTING HOLDER

PROBLEM TO BE SOLVED: To shorten construction period as well as lowering cost by temporarily supporting a jacket without constructing a temporary structure such as a temporary receiving pile and a temporary receiving mound or the like, improving the quality of work by preventing the lowering of the quality of surveyance by omitting the work in the deep water by a diver in the height adjustment of the jacket, making the height adjustment even if there is no floating crane and preventing the damage of a shear key and a foundation pile, etc. when the foundation pile comes into contact with a jacket leg in the case the jacket of the foundation pile is inserted. SOLUTION: The jacket supporting height adjusting holder comprises the jacket constituted of a frame body consisting of vertical and horizontal columns and a beam, the foundation pile supporting the jacket, a holder installed on the upper end of the foundation pile and a holder mounted to the inside of the jacket leg as the vertical column of the jacket. A moving up and down mechanism is installed on the holder on the foundation pile, and a receiving substitute block maintaining an interval between the holder mounted on the jacket leg and the upper end of the foundation pile is provided. COPYRIGHT: (C)2006,JPO&NCIPI