OFFSHORE WIND POWER SUBSTRUCTURE AND INSTALLATION METHOD FOR JACKET TYPE SUBSTRUCTURE THEREOF

摘要

The present invention relates to an offshore wind power support structure and an installation method for a jacket type substructure of the same, which can remarkably improve economic feasibility by reducing material consumption and construction periods while improving entire structural stability by reinforcing a resistance function on a transverse force such as a wave force and a tidal current, and a horizontality obtaining function of an upper structure including a deck of the offshore wind power support structure. According to the present invention, the offshore wind power support structure includes: multiple jacket legs; a jacket pile installed on the inner side by each jacket leg; and the deck combined to an upper end of the jacket piles. The jacket pile includes a shim plate integrated to an upper end of the jacket pile on the inner side of the jacket leg and the upper end of the jacket leg inserted by welding, wherein the upper end of the jacket leg installed on the inner side is inserted into the shim plate. Also, the shim plate may be formed in a crown shape in which an uneven unit of a triangular structure is repeatedly formed in a circumferential direction of the jacket pile or the jacket leg, based on the longitudinal direction of the jacket leg or the jacket pile.