MULTI-PURPOSE PILE FOR BREAKWATER, FISHING ROCKS AND FISHING NEST

摘要

PURPOSE:To make small and nestable of an installation area by providing a plurality of holes passing through the inside and outside of a cylindrical pile to the lower part thereof having a plant section provided with a screw-like projected thread on the lower end and, at the same time, driving a plurality of piles to the sea bottom at specific intervals. CONSTITUTION:A plant section 3 having a screw-like projected thread is connected to the lower end of a cylindrical pile 1 of concrete or synthetic resin together as a unit. A plurality of holes 2A1 passing through the inside and outside of the cylindrical pile are provided to the upper sea bottom section 2A of the plant section 3. After that, a plurality of piles 1 are driven zigzag to the sea bottom at specific intervals. An area to drive piles is narrowed so as to keep them from falling. According to the constitution, a fishing nest as a breakwater can be easily installed.