Method for manufacturing a pile

Abstract

The invention relates to a pile, wherein a drilling tube comprising at least one cutting helix arranged in a partial section of an outer wall of the same is drilled until a subsoil having good bearing capacity is reached, a pile foot formed by an inner tube that can be arranged in the drilling tube, at least one end region of the inner tube is inserted into the pile foot, at least one grany material comprising at least one binder is filled via the inner tube and the drilling tube and the inner tube are removed from the subsoil.

1 . A method for producing a pile ( 50 ), wherein a drill pipe ( 12 ) having at least one cutting helix ( 18 ) disposed in a subsection of an outer wall ( 13 ) thereof, drills into a subsoil ( 34 ), a pile foot ( 46 ) is formed by means of an inner pipe ( 14 ) that can be disposed in the drill pipe ( 12 ), at least an end region ( 15 ) of the inner pipe ( 14 ) is inserted into the pile foot ( 46 ), a granular material having at least one binder is poured in via the inner pipe ( 14 ), and the drill pipe ( 12 ) and the inner pipe ( 14 ) are removed from the subsoil ( 32 ,  34 ). 
     
     
         2 . The method according to  claim 1 , characterized in that the removal of the drill pipe ( 40 ) and/or the inner pipe ( 14 ) occurs by means of pulling and/or turning ( 40 ). 
     
     
         3 . The method according to one of the preceding claims, characterized in that an outer wall ( 17 ) of the inner pipe ( 14 ) is sealed against an inner wall ( 11 ) of the drill pipe ( 12 ) with at least one sealing means ( 16 ). 
     
     
         4 . The method according to one of the preceding claims, characterized in that the pile foot ( 46 ) is formed by means of internal driving. 
     
     
         5 . The method according to  claim 4 , characterized in that a pile driver ( 22 ) is inserted in the inner pipe ( 14 ) for the internal driving. 
     
     
         6 . The method according to one of the preceding claims, characterized in that the drill pipe ( 12 ) has at least one closure means ( 28 ) an its end region ( 48 ) facing the load bearing subsoil ( 34 ). 
     
     
         7 . The method according to one of the preceding claims, characterized in that the inner pipe ( 14 ) and the drill pipe ( 12 ) are inserted into the pile foot ( 46 ). 
     
     
         8 . The method according to one of the preceding claims, characterized in that the inner pipe ( 14 ), with its end surface ( 54 ) facing the load bearing subsoil ( 34 ), extends beyond the end surface ( 52 ) of the drill pipe ( 12 ). 
     
     
         9 . The method according to one of the preceding claims, characterized in that the drill pipe ( 12 ) and/or the inner pipe ( 14 ) are provided with a plug ( 28 ) made of gravel and/or sand and/or a granular material having at least one binder. 
     
     
         10 . The method according to  claim 9 , characterized in that the pile driver ( 22 ) is placed on the plug ( 28 ). 
     
     
         11 . The method according to one of the preceding claims, characterized in that the inner pipe ( 14 ), together with the drill pipe ( 12 ), is removed from the subsoil ( 32 ,  34 ). 
     
     
         12 . The method according to one of the preceding claims, characterized in that the removal of the inner pipe ( 14 ) and/or the drill pipe ( 12 ) occurs during the pouring of the granular material ( 44 ) having at least one binder. 
     
     
         13 . The method according to one of the preceding claims, characterized in that the inner pipe ( 14 ) is inserted into the load bearing subsoil ( 34 ) together with the drill pipe ( 12 ). 
     
     
         14 . The method according to one of the preceding claims, characterized in that the inner pipe ( 14 ) is turned during the insertion. 
     
     
         15 . The method according to  claim 14 , characterized in that the turning occurs during the drilling movement of the drill pipe ( 12 ). 
     
     
         16 . The method according to one of the preceding claims, characterized in that rinsing agents are introduced through the inner pipe ( 14 ). 
     
     
         17 . A device ( 10 ) for producing a drilled pile ( 50 ) having a pile foot ( 46 ), comprising a drill pipe ( 12 ) and an inner pipe ( 14 ) disposed therein, wherein at least one sealing means ( 16 ) is disposed between an outer wall ( 17 ) of the inner pipe ( 14 ) and an inner wall ( 11 ) of the drill pipe ( 12 ), for preventing the ingress of subsoil ( 32 ,  34 ).