Mooring foundation based on suction bucket mud sinking penetration and construction method

The invention discloses a mooring foundation based on suction bucket mud sinking penetration and a construction method. An annular positioning protrusion and an annular positioning groove are matched in an inserted mode, and an inserted protrusion and a limiting pipe are matched in an inserted mode to limit dislocation movement of a suction bucket and the mooring foundation. After the mooring rope penetrates through the mooring ring, the two free ends are tightened by the mooring rope pre-tightening device so as to limit the separation of the suction bucket and the mooring foundation in the axial direction; the construction method comprises the processes of round setting treatment of the mooring foundation and the suction bucket, splicing of the mooring foundation and the suction bucket, mud sinking penetration of the mooring foundation, recovery of the suction bucket and the like. The mooring foundation disclosed by the invention is suitable for mooring and bearing of complex and changeable soil bodies and o