Pile or pile assembly for engineering and construction works

A leading pile comprising:

• a hollow column having a plurality of openings formed in a side wall thereof and a lower sharpened tip end and an open upper end;
• a wedge component having a plurality of elongated wedge members, said wedge component being movable downwardly in a space within said column;
• and
• guide means for guiding said elongated wedge members through said openings of said column into the earth when the wedge component is depressed,
• in which said guide means comprises a plurality of wedge guide pocket fittings each having an inclined bottom which is downwardly inclined in an outer radial direction, side portions integrally connected to opposing sides of said inclined bottom and a flange which is integral with said bottom and side portions and is mounted on an outer surface of the side wall of said column to surround a respective one of said openings.

A coupling pile comprising:

• a hollow column having a plurality of openings formed in a side wall thereof and an open lower end and an open upper end;
• a first wedge component having a plurality of elongated wedge members and an inner pillar for depressing a second wedge component of a lower pile, said first wedge components being movable downwardly in a space within said column;
• and
• guide means for guiding said elongated wedge members through said openings of said column into the earth when the first wedge component is depressed,
• wherein said first wedge component comprises a core member having a size smaller than the size of space in the hollow column to which said plurality of wedge members and said pillar are mounted, and said wedge members and said pillar are extended downwardly from the core member.

A coupling pile comprising:

• a hollow column having a plurality of openings formed in a side wall thereof and an open lower end and an open upper end;
• a first wedge component having a plurality of elongated wedge members and an inner pillar for depressing a second wedge component of a lower pile, said first wedge components being movable downwardly in a space within said column;
• and
• guide means for guiding said elongated wedge members through said openings of said column into the earth when the first wedge component is depressed,
• in which some of said plurality of wedge members are disposed in inner positions of said column and have a longer length than other wedge members disposed at outer positions of said column.

A coupling pile comprising:

• a hollow column having a plurality of openings formed in a side wall thereof and an open lower end and an open upper end;
• a first wedge component having a plurality of elongated wedge members and an inner pillar for depressing a second wedge component of a lower pile, said first wedge components being movable downwardly in a space within said column;
• and
• guide means for guiding said elongated wedge members through said openings of said column into the earth when the first wedge component is depressed,
• in which said guide means comprises a plurality of wedge guide pocket fittings each having an inclined bottom which is downwardly inclined in an outer radial direction, side portions integrally connected to opposing sides of said inclined bottom and a flange which is integral with said bottom and side portions and is mounted on an outer surface of the side wall of said column to surround a respective one of said openings.

A leading pile in combination with at least one coupling pile which is connected to said leading pile, said leading pile comprising

• a first hollow column having a first plurality of openings formed in a side wall thereof and a lower sharpened tip end and an open upper end;
• a first wedge component having a plurality of elongated wedge members, said first wedge component being movable downwardly in a space within said column;
• and
• first guide means for guiding said elongated wedge members through said openings of said column into the earth when the first wedge component is depressed,
• said coupling pile comprising
• a second hollow column having a plurality of openings formed in a side wall thereof and an open lower end and an open upper end;
• a second wedge component having a second plurality of elongated wedge members and an inner pillar for depressing the first wedge component of said leading pile, said second wedge component being movable downwardly in a space within said column;
• and
• second guide means for guiding said second plurality of elongated wedge members through said openings of said second column into the earth when the second wedge component is depressed.