DEVICE FOR COMPACTING BASE RIPRAP UNDER WATER OF SEA SAND COMPACTION PILE METHOD

摘要

PURPOSE: A device for compacting a base riprap under water of a sea sand compaction pile method is provided to compactly and firmly construct the base riprap by performing caisson and compacting operations at the same time as inputting ripraps by vibrations of a vibrohammer and to prevent accidents by not putting operators under the water. CONSTITUTION: A device for compacting a base riprap under water of a sea sand compaction pile method comprises a casing pipe(200) arranged to a vibrohammer of a seat sand compaction pile working ship and composed of a flange(210) mounted under a casing disposed at the lower side; a compacting plate(100) welded and combined to the lower end of the casing pipe; a frame plate(101) welded and combined to the edge of the compacting plate; a cover plate(130) inclined and weld-combined to the upper end of the frame plate; a drain pipe(121) penetrating the cover plate and the compacting plate; and a vertical reinforcing plate(110) disposed in the compacting plate to support the cover plate and the drain pipe.