Simplified foundation and groundwork method using same

Abstract

A simplified foundation is made up of metal. The simplified foundation includes a first drive pile to be driven into the soil in an angularly inclined manner, and a support for attaching a target construction product on its upper portion. The support is hollow, and bowl-shaped from a part on which to attach the target construction product downwardly toward any portion in which to insert the drive pile. Furthermore, the support includes a guide member for guiding the first drive pile.

1 . A simplified foundation made up of metal for supporting a target construction product, comprising:
 at least one drive pile to be driven into the soil in an angularly inclined manner; and   a support for receiving the drive pile to be inserted therethrough and attaching the target construction product on its upper portion,   wherein the support is hollow and bowl-shaped from a part on which to attach the target construction product downwardly toward any part in which to insert the drive pile.   
   
   
       2 . The simplified foundation according to  claim 1 , wherein the support is provided in the shape of a hollow, roughly-spherical or roughly-oval-spherical body. 
   
   
       3 . The simplified foundation according to  claim 2 , wherein the support includes:
 a hole provided in the upper portion, thereby making it possible to view the inside of the support;   an anchor bolt to be inserted from the bottom toward the hole; and   a lid allowing the anchor bolt to pass therethrough, thereby closing the hole.   
   
   
       4 . The simplified foundation according to  claim 3 , wherein at least a part of the outer rim of the lid is narrower than at least a part of the inner rim of the hole. 
   
   
       5 . The simplified foundation according to  claim 3 ,
 wherein the support further includes an attachment bracket attached to the anchor bolt for securing the target construction product, and   wherein the attachment bracket has a gap for allowing a nut to be tightened on the anchor bolt.   
   
   
       6 . The simplified foundation according to  claim 2 ,
 wherein the support further includes at least one cylindrical guide member for guiding the drive pile, and   wherein the guide member is disposed in an angularly inclined manner in accordance with the inclination angle of the drive pile, and is joined to either one or both hemispheres of the roughly-spherical or roughly-oval-spherical body.   
   
   
       7 . The simplified foundation according to  claim 6 , wherein the guide member is disposed at the same angle as another guide member adjacent thereto. 
   
   
       8 . The simplified foundation according to  claim 6 , wherein the inclination angle of the guide member is 40 to 60 degrees with respect to a horizontal plane. 
   
   
       9 . The simplified foundation according to  claim 2 , wherein the support includes upper and lower supporting portions separable from each other, the upper and lower supporting portions being joined when being set in the soil. 
   
   
       10 . The simplified foundation according to  claim 1 ,
 wherein the drive pile includes at least a set of a cylindrical first drive pile and a second drive pile having an inner diameter smaller than that of the first drive pile, and   wherein the second drive pile is driven into the soil after the first drive pile is driven, through the inside of the cylindrical first drive pile.   
   
   
       11 . The simplified foundation according to  claim 10 ,
 wherein the second drive pile is cylindrical, and   wherein the simplified foundation further comprises a soil-side tip member to be attached to each soil-side tip of the first and second piles when driving the first and second drive piles, the soil-side tip member including a first protrusion smaller than the inner diameter of the first drive pile, and a second protrusion smaller than the inner diameter of the second drive pile.   
   
   
       12 . The simplified foundation according to  claim 10 ,
 wherein the support includes at least one cylindrical guide member for guiding the first and second drive piles,   wherein the second drive pile is cylindrical, and   wherein the simplified foundation further includes a hammering-side tip member with a tip having a diameter larger than the inner diameter of the guide member.   
   
   
       13 . The simplified foundation according to  claim 10 , further comprising a cap member attached to the hammering-side tip of the first drive pile. 
   
   
       14 . The simplified foundation according to  claim 1 ,
 wherein the support includes at least one cylindrical guide member for guiding the drive pile, and   wherein the guide member is disposed in an angularly inclined manner in accordance with an inclination angle of the drive pile, and is joined at least to the bowl-shaped portion.   
   
   
       15 . A simplified foundation made up of metal for supporting a target construction product, comprising:
 at least one drive pile to be driven into the soil in an angularly inclined manner;   a support for receiving the drive pile to be inserted therethrough and attaching the target construction product on its upper portion, the support being provided in the shape of a roughly-spherical or roughly-oval-spherical body; and   at least one cylindrical guide member disposed in an angularly inclined manner in accordance with an inclination angle of the drive pile for guiding the drive pile joined to either one or both hemispheres of the roughly-spherical or roughly-oval-spherical support,   wherein the support has styrene foam embedded in at least a portion thereof.   
   
   
       16 . A simplified foundation made up of metal for supporting a target construction product, comprising:
 at least one drive pile to be driven into the soil in an angularly inclined manner;   a support for receiving the drive pile to be inserted therethrough and attaching the target construction product on its upper portion, the support being provided in the shape of a roughly-spherical or roughly-oval-spherical body; and   at least one cylindrical guide member disposed in an angularly inclined manner in accordance with an inclination angle of the drive pile for guiding the drive pile joined to either one or both hemispheres of the roughly-spherical or roughly-oval-spherical support,   wherein the support has concrete injected into at least a portion thereof.   
   
   
       17 . A simplified foundation made up of metal for supporting a target construction product, comprising:
 at least one drive pile to be driven into the soil in an angularly inclined manner; and   a support for receiving the drive pile to be inserted therethrough and attaching the target construction product on its upper portion, the support being provided in the shape of a roughly-spherical or roughly-oval-spherical body that can be separated into upper and lower portions,   wherein the support has concrete injected into at least the lower portion of the separable roughly-spherical or roughly-oval-spherical body.   
   
   
       18 . A groundwork method for constructing a foundation for a target construction product, comprising the steps of:
 installing a hollow support being bowl-shaped from a part on which to attach the target construction product downwardly toward any part in which to insert the drive pile; and   driving the drive pile into the soil after inserting the drive pile into a hole provided in the support.   
   
   
       19 . The groundwork method according to  claim 18 , wherein the step of driving the drive pile into the soil includes inserting the drive pile through a cylindrical guide member joined at least to the bowl-shaped portion of the support so as to be inclined in accordance with an inclination angle of the drive pile, thereby driving the drive pile into the soil. 
   
   
       20 . The groundwork method according to  claim 18 ,
 wherein the drive pile includes at least a set of a cylindrical first drive pile and a second drive pile having an inner diameter smaller than that of the first drive pile, and   wherein the second drive pile is driven into the soil after the first drive pile is driven, through the inside of the cylindrical first drive pile.   
   
   
       21 . The groundwork method according to  claim 18 ,
 wherein the support is provided in the shape of a roughly-spherical or roughly-oval-spherical body that can be separated into upper and lower portions, and   wherein the step of installing the support includes coupling the lower hemisphere of the roughly-spherical or roughly-oval-spherical body to the upper hemisphere of the roughly-spherical or roughly-oval-spherical body before installing the support.