SCOUR PREVENTING CONSTRUCTION AROUND PILE-SHAPED BODY, AND CONSTRUCTION METHOD OF SCOUR PREVENTING CONSTRUCTION AROUND PILE-SHAPED BODY

摘要

To provide a scour preventing construction around a pile-shaped body and a construction method of a scour preventing construction around a pile-shaped body capable of easily managing a top end height without the necessity of shaping and not damaging a foundation structure and an incidental installed object.SOLUTION: A positioning cradle 13 is installed on a water bottom 1 in a peripheral edge portion of an installation position of an asphalt mat 3, and then asphalt mats 3-1-1 and 3-1-2 are lifted down by using a hanging metal fitting 15, to lay them on the water bottom 1. In the same procedure, the remaining asphalt mats 3-2, 3-3,... are sequentially laid on the water bottom 1. The asphalt mat 3 is laid so as to provide an overlapping portion. Then, a foundation pile 9 is inserted into an installation hole 11 formed in a center of the asphalt mat 3, and the foundation pile 9 is installed on the water bottom 1. After that, a ring-shaped rectangular hat 5 is installed so as to cover a gap 12 between the foundation pile 9 and the asphalt mat 3, and a weight 7 is installed on the asphalt mat 3, to complete scour preventing construction 2.SELECTED DRAWING: Figure 1