Pile foundation-substructure column system and construction method of the pile foundation-substructure column system

Abstract

A pile foundation-substructure column system and construction method of this pile foundation-substructure column system, which can bring about the advantages in terms of construction works and structures, comprising: the steel casing pipes (11) are provided in parallel and driven into the ground; the pile foundation-substructure column structures are characterized by the homogeneity (continuity) and the steel casing pipes are driven into the ground in stacking sliding guide manner and then connected together.

1 . A pile foundation-substructure column system comprising:
 steel casing pipes ( 11 ) provided in parallel and driven into the ground which is below the ground level by stacking sliding guide manner;   continuous pile foundation-substructure column structures, each continuous pile foundation-substructure column structure extending along the axis of the steel casing pipe ( 11 ) and comprising pile penetrating through the underground surface into the ground and substructure column elongating from the pile, constructed along the inside of the steel casing pipe ( 11 ) by creating a borehole at a predefined depth extending along the axis of the steel casing pipe and filling the borehole and the steel casing pipe ( 11 ) with a homogeneous material from the bottom of the borehole to approximate level of the ground level, wherein the part of the homogeneous material inside the steel casing pipe ( 11 ) bonds with the steel casing pipe ( 11 ), to become a monolithic structure;   wherein the individual pile foundation-substructure column structures are connected into a monolithic pile foundation-substructure column system by connecting the casing pipes.   
     
     
         2 . The pile foundation-substructure column system of  claim 1 , wherein the individual pile foundation-substructure column structures are connected by binding the steel casing pipes ( 11 ) together by welding or bolting. 
     
     
         3 . The pile foundation-substructure column system of  claim 1 , wherein the individual pile foundation-substructure column structures are connected by the pile caps provided on the pile heads. 
     
     
         4 . The pile foundation-substructure column system of  claim 1 , wherein the individual pile foundation-substructure column structures are connected by reinforced concrete jacketing the pile foundation-substructure column structures. 
     
     
         5 . The pile foundation-substructure column system of  claim 1 , wherein the steel casing pipes ( 11 ) are slide guided with use of male-female ( 25 ,  26 ) slide rail system provided on the steel casing pipes. 
     
     
         6 . The pile foundation-substructure column system of  claim 1 , wherein the steel casing pipes ( 11 ) are sliding guided by the intermediate slide rail system ( 22 ). 
     
     
         7 . The pile foundation-substructure column system of  claim 1 , wherein the pile foundation-substructure column structure is bored, reinforced, cast-in-situ pile structure and binding with steel casing pipes ( 11 ) by concrete. 
     
     
         8 . The pile foundation-substructure column system of  claim 1 , wherein the pile foundation-substructure column structure is precast structure such as steel shape or precast concrete, bound with steel casing pipes. 
     
     
         9 . The pile foundation-substructure column system of  claim 7 , wherein the pile foundation-substructure column structure binds with the steel casing pipe by welding, bolting or adhesives. 
     
     
         10 . The pile foundation-substructure column system of  claim 1 , wherein the pile foundation-substructure column structures are constructed by bored, cast-in-situ pile structures, or precast structures. 
     
     
         11 . The pile foundation-substructure column system of  claim 1 , wherein the casing pipes are provided to form basic shapes such as triangle, letters I, L, T or cross shape in top-down view. 
     
     
         12 . A method for producing the pile foundation-substructure column system comprising:
 driving steel casing pipes ( 11 ) into the ground which is below the ground level in parallel by such methods as vibrating, pressing or hammering, in stacking sliding guide manner;   creating a borehole by drilling to take out the soil inside the steel casing pipes, with predefined depth;   filling up the borehole and the steel casing pipe ( 11 ) with a homogeneous material from the bottom of the borehole to approximate level of the ground level, wherein the part of the homogeneous material inside the steel casing pipe binds with the steel casing pipe ( 11 );   connecting the individual pile foundation-substructure column structures into a monolithic pile foundation-substructure column system by connecting the casing pipes.   
     
     
         13 . The method of  claim 12 , wherein the pile foundation-substructure column structure is cast-in-situ in one shot only. 
     
     
         14 . The method of  claim 12 , wherein the pile foundation-substructure column structures are precast concrete or steel shaped piles, or combination of cast-in-situ concrete and precast concrete.