Cast-in-place concrete pile construction

E - Fixed Constructions – 02 – D

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E02D 5/44 (2006.01)

Patent

CA 1234698

ABSTRACT OF THE INVENTION "IMPROVEMENTS RELATING TO CAST-IN-PLACE CONCRETE PILE CONSTRUCTION " A method of constructing a cast-in-place concrete pile wherein the improvements comprises excavating the soil at the lower end of the shell to an extent larger than the shell in its cross-section for forming an enlarged base and forcing a second charge of concrete through a pressurizing tube the open end of which is extended to the lower end of the excavated portion for penetrating the second charge of concrete into the region surrounding the base and the shell after a first charge of concrete fills and sets in the excavated portion and the shell, thereby improving the end bearing power and the skin friction of the pile.

471534

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