Patent ID: 7556453

Claim:
A method of constructing a pile foundation; the method comprising the steps of: building on the ground ( 2 ) a foundation structure ( 1 ) having at least one through hole ( 4 ); inserting a metal pile ( 3 ), comprising a rod ( 9 ) and at least one bottom main head ( 10 ), through said hole ( 4 ), so that the main head ( 10 ) of the pile ( 3 ) contacts the ground ( 2 ); statically applying at least one thrust on the pile ( 3 ) to drive the pile ( 3 ) into the ground ( 2 ); and fixing the driven pile ( 3 ) axially to the foundation structure ( 1 ); the method being characterized in that the transverse dimensions of the main head ( 10 ) are greater than those of the hole ( 4 ) when driving the main head ( 10 ) into the ground.