Steel pipe socket and method of connecting steel pipe pile and steel pipe column using the same

A method of connecting a steel pipe pile and a steel pipe column using a steel pipe socket, such that the steel pipe pile and the steel pipe column are not parallel to each other, the method comprising:

• preparing the steel pipe socket including:
• a socket supporting portion covering an upper end surface of the steel pipe pile;
• a plurality of socket insertion portions extended downward from the socket supporting portion, wherein each of the plurality of socket insertion portions includes a socket groove at a lower end of that socket insertion portion, each socket groove being elongated in a direction parallel to and aligned with a central axis of the steel pipe column;
• and
• a plurality of fastening members which are installed on the socket supporting portion;
• inserting an upper end portion of the steel pipe pile into the socket grooves of the steel pipe socket;
• mounting the steel pipe column on the socket supporting portion;
• and
• connecting the steel pipe column and the steel pipe pile by fastening the plurality of fastening members of the socket supporting portion.