JP2649218B2 - Connection structure between building foundation and foundation and method of raising inclined building - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for connecting a foundation and a foundation of a building and a method for raising a building which is inclined.

[0002]

2. Description of the Related Art Conventionally, wooden buildings can form an open living space, are easily relocated, remodeled, and dismantled, are easy to construct, and have relatively low construction costs. Many are installed as excellent buildings. These wooden buildings build foundation concrete on the ground as a foundation,
A base is installed on the upper surface of the foundation concrete, and a living space is formed by connecting joists and pillars to the base.
As shown in FIG. 6, the base is buried with anchor bolts at intervals of approximately 3 to 4 m in the base concrete, and anchor bolts protruding from the upper surface of the base concrete are used as bases, as shown in FIG. Penetrate the hole provided to protrude to the upper surface of the base, tighten the fastening nut that was screwed in by inserting a washer into the upper end of the anchor bolt, and fastened to the upper surface of the base via the washer to firmly attach the base to the foundation concrete It is fixed to.

If the area where the wooden building is constructed is on soft ground, the building is inclined due to improper subsidence of the ground. If the building is inclined, the building is raised together with the foundation. It needs to be restored horizontally. For this reason, the worker enters the underfloor space, and as shown in FIGS.
Remove the washer and the fastening nut fastened to the upper surface of the base from the upper end of the anchor bolt, or if the fastening nut cannot be removed, cut the anchor bolt at an intermediate position. From above, the raising material such as the stock shown in FIG. 7 or the concrete shown in FIG. 8 is sandwiched between the upper surface of the foundation concrete and the lower surface of the base, and is displaced horizontally to hold the building horizontally. Things.

[0004]

However, when the base is raised from the upper surface of the foundation concrete, the length of the anchor bolt protruding from the upper surface of the foundation concrete is short, and the raised base is connected with the anchor bolt. It is not possible to do so, and the base is liable to be laterally shifted with respect to the foundation concrete due to vibration, wind pressure, etc., and the building after raising has a drawback that the earthquake resistance and wind resistance are weakened. Also,
The base after raising can be buried in the foundation concrete using long anchor bolts so that it can be tied to the anchor bolts, and the projection length from the top surface of the foundation concrete may be increased. Anchor bolts that are easy to fall down, and because the anchor bolts protrude longer than the top surface of the foundation concrete, it is difficult to work such as mounting the base on the top surface of the foundation concrete, and the anchor bolts cannot be extended long even from the construction. was there.

The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to easily raise the foundation and rebuild the foundation concrete when the building is inclined due to uneven settlement of the ground. A building that is tightly tied to prevent seismic resistance and wind resistance from being reduced, can be firmly tied without the need for installation of the base on the upper surface of the foundation concrete, and the construction cost of the base is inexpensive. And a method of raising a sloped building.

[0006]

Means for Solving the Problems In order to achieve the above object, the invention according to claim 1 comprises a foundation concrete 12 for constructing a building, and a base concrete 12 embedded in the foundation concrete 12 and having an upper end side. An anchor bolt 16 having a joint portion 14, a base 18 mounted on the upper surface of the foundation concrete 12, penetrating the base 18 in a sewn manner, projecting an upper end from the upper surface of the base, and connecting a lower end to the joint A long bolt 20-jointly connected to the portion 14 and integrally connected and fixed to the anchor bolt 16, and a fastening nut 22 screwed to an upwardly projecting portion of the long bolt 20 and fastened to the upper surface of the base 18. And a connection structure 10 for connecting the foundation and the base of the building.

Further, in the invention according to claim 2, the upper end of the joint portion 14 may be buried flush with the upper surface of the foundation concrete 12.

Further, in the invention according to claim 3, the joint portion 14 comprises a bolt joint including a long nut 36 formed long in the screwing direction, and the long nut 36 is provided at the upper end of the anchor bolt 16. The height may be freely adjusted so that the upper end surface thereof is flush with the upper surface of the foundation concrete 12.

Further, according to a fourth aspect of the present invention, there is provided an anchor bolt 1 having a joint 14 attached to an upper end protruding upward.
6 is buried in the foundation concrete 12, the base 18 is mounted on the upper surface of the foundation concrete 12, and then the upper end of the long bolt 20 is made to penetrate the base 18 so as to protrude upward and connected to the joint portion 14. When the building 32 is tilted due to uneven settlement of the ground or the like, the upper surface of the base 18 is fastened with the fastening nut 22 screwed to the long bolt 20. ,
Fastening nut 2 of each long bolt 20 fastened to the base 18
2 is lifted and moved upward along the long bolts, the base 18 is raised along each long bolt 20 and displaced horizontally, and a raising member is formed on the upper surface of the foundation concrete 12 and the lower surface of the raised base 18. 34, the base 18 of the building 32 is held horizontally, and the fastening nut 22 is tightened to the upper surface of the base 18 again.

Further, in the invention according to claim 5, the joint portion 14 is a long nut 36 formed to be long in the screwing direction. A temporary stopper 40 may be engaged with the screw hole 38 of the nut 36 from the upper surface to close the screw hole 38, and in this state, the long nut 36 may be buried flush with the foundation concrete 12. Good.

In the invention according to claim 6, the temporary stopper 40 may be formed of an elastic member.

[0012]

In the joint structure between the foundation and the base of the building according to the present invention, when forming the foundation concrete for constructing the building, an anchor bolt having a joint on the upper end side is provided in the foundation concrete. It is buried at a desired interval. Then, a hole that communicates vertically with the joint part of the anchor bolt is opened in the base mounted on the upper surface of the base concrete, and the base is mounted on the upper surface of the base concrete and the upper surface of the hole that communicates with the joint part. , A long bolt is penetrated in a sewn shape, and the lower end of the long bolt is connected to a joint in the foundation concrete. After that, a fastening nut screwed to the long bolt is fastened to the upper surface of the base, and the base is integrally tied to the foundation concrete, and a building is constructed while assembling roots, columns, studs, etc. on this base. I do.

In the case where the building is inclined due to uneven settlement on the ground, after loosening the fastening nuts, the base is raised so as to be horizontal along the long bolts, and the raised member is mounted on the base. The foundation can be firmly tied to the foundation concrete again with the long bolts and the fastening nuts, and the building can be prevented from deteriorating in seismic resistance, wind resistance, etc. after being raised. Further, the base mounted on the upper surface of the foundation concrete can be firmly fixed by the long bolts and the fastening nuts connected to the anchor bolts, and the work for fixing the base can be simplified and the cost can be reduced.

The upper end of the joint portion is buried flush with the upper surface of the foundation concrete,
When mounting the base on the upper surface of the foundation concrete, the joint does not become an obstacle, and there is no need to process recesses etc. for the joint on the base, and the base is quickly mounted on the upper surface of the foundation concrete. it can.

[0015] Further, the joint portion is formed of a bolt joint including a long nut formed long in the screwing direction. The long nut has an upper end surface flush with an upper surface of the foundation concrete at an upper end of the anchor bolt. The bolts are screwed together so that they can be adjusted in height so that the anchor bolts and the long bolts can be integrally connected, and the anchors are installed in the formwork assembled to construct the foundation concrete. When the bolt is placed, rotate the long nut screwed onto the upper end of the anchor bolt and raise the upper surface of the long nut so that it is almost flush with the upper surface of the foundation concrete to be cast without any trouble. Can be adjusted.

Further, in the method for raising a sloping building according to the present invention, an anchor bolt having a joint portion attached to an upper end protruding upward is embedded in a foundation concrete, and a base is mounted on an upper surface of the foundation concrete. Then, the upper end of the long bolt is penetrated through the base so as to protrude upward and connected to the joint portion to be integrally connected to the anchor bolt, and the upper surface of the base is screwed to the long bolt. When the building is tilted due to uneven settlement of the ground, etc., tighten the nut with the nut, loosen the fastening nut of each long bolt fastened to the base and move it upward along the long bolt, The foundation is raised along each long bolt and displaced horizontally, and the upper surface of the foundation concrete and the raised lower surface are sandwiched by raising members to hold the foundation of the building horizontally, By comprising a wearing nut is again fastened to the base upper surface, an inclined base with buildings,
It is possible to stably and horizontally raise along the long bolts integrally connected to the anchor bolts, no displacement occurs during the raising, and the raising operation can be performed easily and at low cost. Further, the foundation of the raised building can be firmly tied again to the foundation concrete by using the long bolts and the fastening nuts, so that the seismic resistance and wind resistance of the raised building do not decrease.

The joint is a long nut formed long in the screwing direction. The long nut is screwed to the upper end of the anchor bolt, and a temporary stopper plug is inserted from above into a screw hole of the long nut. When the concrete is poured into the foundation formwork by locking and closing the screw hole, and in this state, the long nut is buried flush with the foundation concrete.
After the concrete is solidified while the screw hole is protected by the temporary stopper and the screw hole is protected without being blocked by the concrete adhering in the screw hole of the long nut, the long bolt can be securely connected to the long nut.

Further, since the temporary stopper is made of an elastic member, it can maintain watertightness while being detachably attached to the screw hole of the long nut, and can reliably prevent the screw hole from being closed by concrete.

[0019]

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. 1, 2, and 3 show a connection structure (hereinafter, abbreviated as a base connection structure) 10 between a foundation and a foundation of a building according to a first embodiment of the present invention. As is clear from the figure, the foundation-base connection structure 10 includes a foundation concrete 12 for constructing a building, an anchor bolt 16 buried in the foundation concrete 12, and having a joint portion 14 on an upper end side. A base 18 mounted on the upper surface of the concrete 12, penetrating the base 18 in a sewn manner, projecting an upper end upward from the upper surface of the base, and a lower end jointly connected to the joint portion 14 to anchor bolt 1
A long bolt 20 integrally connected to and fixed to 6, and a fastening nut 22 screwed to an upwardly projecting portion of the long bolt 20 and fastened to the upper surface of the base 18.

As shown in FIGS. 1 and 2, the foundation concrete 12 supports a load of a building on the ground and is formed of concrete or reinforced concrete into a substantially T-shaped cross section. The base 18 mounted on the upper surface of the basic concrete 12 is made of a durable square material, and connects the roots, columns, etc. of the building, and firmly supports the building together with the basic concrete 12. . For this purpose, the base 18 comprises an anchor bolt 16 embedded in the foundation concrete 12 and a joint 14 of the anchor bolt 16.
Is firmly connected to the foundation concrete 12 by the long bolt 20 and the fastening nut 22 which are integrally connected to the base concrete 12.

As shown in FIG. 3, the anchor bolt 16
A black bolt or the like is used as a material, and a screw portion 24 for screwing and connecting the joint portion 14 is provided at an upper end thereof, and an L-shaped hook 26 for preventing pull-out is bent at a lower end thereof. ing. As the length of the anchor bolts 16 buried in the foundation concrete 12 increases, the supporting strength increases.

As shown in FIGS. 1 and 2, the joint portion 14 is connected to a screw portion 24 at the upper end of the anchor bolt 16 and is formed with a vertical hole 28 opened from the upper surface to the lower surface of the base 18. The lower bolt 20 is buried in the foundation concrete 12 so that the lower end of the long bolt 20 penetrated in a sewn shape can be connected with a joint. The joints 14 and the anchor bolts 16 are buried in the foundation concrete 12 at intervals of about 3 to 4 m, and about 30 to 40 bolts are used in one building.

The long bolt 20 is connected to the joint 14 through a vertical hole 28 opened from the upper surface of the base 18 so as to communicate with the joint 14 at the upper end of the anchor bolt 16. Thereby, the long bolt 20 is integrated with the anchor bolt 16. The long bolt 20 has a length that protrudes long above the base 18, and a fastening nut 22 is screwed into the protruding portion through a washer 30, and the washer 30 and the fastening nut 22 are connected to the base. The base 18 is firmly fastened to the foundation concrete 12 by being fastened to the upper surface of the base 18. Therefore, the long bolt 20 can be jointly connected to the anchor bolt 16 buried in the foundation concrete 12 extremely easily, so that the operation for fixing the base 18 does not require any trouble and the cost can be reduced.

As shown in FIG. 4, when the building 32 provided with the foundation connection structure 10 is tilted due to uneven settlement of the ground or the like, the building 32 is fastened to the upper surface of the base 18. After the fastening nut 22 is loosened, as shown in FIGS. 4 and 5, the base 18 is lifted so as to be horizontal along the long bolt 20, and the raised member 34 such as a stock or concrete is connected to the base 18. After being interposed on the upper surface of the foundation concrete 12, the fastening nut 22 of the long bolt 20 is fastened to the raised base 18 again. As a result, the raised base 18 can be firmly tied to the foundation concrete 12, and it is possible to prevent deterioration in the earthquake resistance, wind resistance, and the like of the building after the raising.

As shown in the embodiment of FIGS. 1 and 2, the joint portion 14 is embedded so that the upper end thereof is flush with the upper surface of the foundation concrete 12. Thereby, when mounting the base 18 on the upper surface of the foundation concrete 12, the joint portion 14 does not hinder construction, and a concave portion or the like for fitting to the joint portion 14 is formed on the lower surface of the base 18. There is no necessity, and the base 18 can be quickly mounted on the upper surface of the foundation concrete 12, and the construction efficiency of the foundation portion of the building 32 becomes extremely good.

The joint portion 14 comprises a bolt joint including a long nut 36 formed long in the screwing direction. The long nut 36 is provided at the upper end of the anchor bolt 16 at the upper end surface of the foundation concrete 12. Are screwed together so that the height can be adjusted so as to be flush with the upper surface of. As a result, the integral connection between the anchor bolt 16 and the long bolt 20 can be achieved, and when the anchor bolt 16 is arranged in the formwork assembled for the construction of the foundation concrete 12, the anchor bolt 16 Long nut 20 screwed on top
While rotating the nut, the height can be adjusted without any trouble so that the upper surface of the long nut 20 is substantially flush with the upper surface of the foundation concrete 12 on which the long nut 20 is cast.

Next, the operation of the connection structure between the foundation and the base of the building according to the first embodiment will be described together with the method of raising the inclined building according to the second embodiment of the present invention. Figure 1,
As shown in FIG. 2, in the foundation connection structure 10 according to the first embodiment of the present invention, an anchor bolt 16 having a joint 14 attached to an upper end protruding upward is embedded in the foundation concrete 12.

The foundation 1 is placed on the upper surface of the foundation concrete 12.
8, the long bolt 20 is passed through the vertical hole 28 formed in the base 18 with the upper end protruding upward and connected to the joint portion 14, and the long bolt 20 is connected to the anchor bolt 16 To the joint. The base 18
After the washer 30 attached to the long bolt 20 is mounted on the upper surface, the fastening nut 22 is screwed into the long nut 20 and firmly fastened.

Next, when the building 32 in which the foundation 18 is firmly connected to the foundation concrete 12 by the foundation connection structure 10 is inclined due to uneven settlement of the ground or the like,
The inclination of the building 32 is corrected horizontally by the method of raising the inclined building according to the second embodiment of the present invention. For this reason, the worker enters under the floor of the building 32,
The fastening nut 22 and the washer 30 of each long bolt 20 fastened to the base 18 are loosened, and the fastening nut 22 and the washer 30 are moved upward along the long bolt 20.

Then, as shown in FIGS. 4 and 5, the base 18 is raised along the long bolts 20 using jacks or the like and is displaced horizontally. After that, the base 18 of the building 32 is horizontally held by sandwiching a raising member 34 such as a stock or concrete in a gap between the upper surface of the foundation concrete 12 and the lower surface of the raised base 18. Thereafter, the fastening nut 22 and the washer 30 are again fastened to the upper surface of the base 18 to complete the raising operation.

Accordingly, the base 18 can be stably raised along the long bolts 20 integrally connected to the anchor bolts 16, so that the raising work can be performed easily and at low cost without occurrence of displacement or the like. . Further, the base 18 of the raised building 32 can be firmly tied again to the foundation concrete 12 using the long bolts 20 and the fastening nuts 22, and the seismic resistance, wind resistance, etc. of the raised building 32 can be improved. Can be prevented from decreasing.

The joint portion 14 is formed by a long nut 36 formed long in the screwing direction. Therefore, as shown in FIGS. 2 and 3, when the anchor bolt 16 and the long nut 36 are embedded in the foundation concrete 12, the long nut 36 is screwed to the upper end of the anchor bolt 16, and the screw of the long nut 36 is screwed. The temporary stopper 40 is locked in the hole 38 from the upper surface to close the screw hole 38. In this state, the anchor bolt 1 is placed in the foundation form for molding the foundation concrete 12.
6 is arranged, and the concrete is poured and solidified by adjusting the upper surface of the base concrete 12 to be molded and the upper surface of the long nut 36 so as to be flush with each other.

Thus, the screw hole 38 can be protected by the temporary stopper 40 without the concrete poured into the foundation form adhering into the screw hole 38 of the long nut 36 and being solidified and blocked. The upper surface of the nut 36 is attached to the foundation concrete 12
Can be solidified on the same plane as the upper surface. Then, the temporary stopper 40 is removed after the concrete is solidified, and the base 18 is easily placed on the upper surface of the foundation concrete 12 formed into a uniform surface without the long nut 36 protruding from the upper surface of the solidified foundation concrete 12. In addition, the long bolt 20 penetrating the base 18 can be securely connected to the long nut 36 by a joint so that the long bolt 20 can be integrated with the anchor bolt 16.

The temporary stopper 40 is formed of an elastic member such as rubber, foamed resin or the like, so that the screw hole 3 of the long nut 36 is formed.
8 while maintaining watertightness while attaching and detaching the screw hole.
8 can be reliably prevented from being blocked by concrete or the like.

As described above, in the method for raising a sloping building according to the second embodiment of the present invention, a building which is sloping due to unequal settlement is easily raised on a foundation and again firmly attached to a foundation concrete. Tightening can reliably prevent seismic resistance and wind resistance from deteriorating, thereby improving the durability of the building.

[0036]

As described above, according to the connecting structure between the foundation and the foundation of the building according to the first aspect, the foundation concrete for constructing the building and the upper end embedded in the foundation concrete and having the upper end Anchor bolts with joints on the side, a base mounted on the top surface of the foundation concrete,
A long bolt that penetrates the base in a sewn manner, has an upper end protruding from the upper surface of the base, and a lower end coupled to the joint portion and integrally fixed to the anchor bolt; And a fastening nut which is fastened to the upper surface of the base, when the building is inclined due to uneven settlement of the ground, the base is loosened after loosening the fastening nut. Raise so that it becomes horizontal along with the base material and sandwich the raising member between the base and the foundation concrete, and then use the long bolts and fastening nuts to firmly tie the foundation to the foundation concrete again, It is possible to prevent the seismic resistance and the wind resistance from being lowered. Further, the base mounted on the upper surface of the foundation concrete can be firmly fixed by the long bolts and the fastening nuts connected to the anchor bolts, and the work for fixing the base can be simplified and the cost can be reduced.

According to a second aspect of the present invention, the upper end of the joint portion is buried flush with the upper surface of the foundation concrete, so that the joint portion is mounted when the base is mounted on the upper surface of the foundation concrete. The foundation can be quickly mounted on the upper surface of the foundation concrete without the need for processing the recesses for the joints on the foundation, and the construction efficiency of the foundation of the building is extremely good. Become.

According to the third aspect, the joint portion is
It consists of a bolt joint including a long nut formed long in the screwing direction, and the long nut is provided at the upper end of the anchor bolt,
By being screwed so that the upper end surface is flush with the upper surface of the foundation concrete, the joint of the anchor bolt and the long bolt can be effectively performed. When the anchor bolt is placed in the formwork assembled for construction, the upper surface of the long nut is flush with the upper surface of the foundation concrete to be cast while rotating the long nut screwed to the upper end of the anchor bolt. The height can be adjusted without the need for troublesome work.

Next, according to the method for raising a sloping building according to claim 4, an anchor bolt having a joint portion attached to an upper end protruding upward is buried in a foundation concrete, and a base is provided on an upper surface of the foundation concrete. After that, the upper end of the long bolt is screwed into the long bolt by connecting the anchor bolt integrally with the anchor bolt by penetrating the base so as to project the upper end of the long bolt upward and connecting to the joint portion. When the building is tilted due to uneven settlement of the ground, etc., loosen the nuts of each long bolt fastened to the base and move upward along the long bolt. Then, the base is raised along each long bolt and displaced horizontally, and an upper surface of the foundation concrete and a raised lower surface are sandwiched by a raising member to hold the foundation of the building horizontally, By comprising a wearing nut is again fastened to the base upper surface, an inclined base with buildings,
It is possible to stably and horizontally raise along the long bolts integrally connected to the anchor bolts, no displacement occurs during the raising, and the raising operation can be performed easily and at low cost. Further, the foundation of the raised building can be firmly tied again to the foundation concrete by using the long bolts and the fastening nuts, so that the seismic resistance and wind resistance of the raised building can be prevented from lowering.

Further, according to claim 5, the joint portion is
A long nut formed long in the screwing direction, the long nut is screwed into the upper end of the anchor bolt, and a temporary stopper is locked from the upper surface into the screw hole of the long nut to close the screw hole. In this state, the long nut is buried flush with the foundation concrete, so that when the concrete is poured into the foundation formwork, the concrete adheres to the screw hole of the long nut and is closed. After the concrete has solidified while protecting the screw hole with the temporary stopper, the long bolt can be securely connected to the long nut by coupling and integrated with the anchor bolt, and the base can be tied to the foundation concrete.

According to the sixth aspect, the temporary stopper is
With the elastic member, watertightness can be maintained while being attached to and detached from the screw hole of the long nut, and the screw hole can be reliably prevented from being closed by concrete.

[Brief description of the drawings]

FIG. 1 is a partially enlarged longitudinal sectional view of a connection structure between a foundation and a base of a building according to an embodiment of the present invention.

FIG. 2 is a partially enlarged perspective view showing an anchor bolt, a long nut, a long bolt, a temporary stopper, and the like of a connecting portion structure between a foundation and a foundation of the building of FIG. 1;

FIG. 3 is an enlarged perspective view of an anchor bolt, a long nut, a long bolt, a fastening nut, a temporary stopper, and the like.

FIG. 4 is an explanatory front view of a building that has been restored to a horizontal position by performing a method of raising a building that has been inclined;

FIG. 5 shows a state in which a raising member is sandwiched between a foundation concrete and a base, and furthermore, a connection part between the base and the base showing a state in which the upper surface of the base raised by a fastening nut of a long bolt connected to an anchor bolt is fastened. It is a partially expanded sectional view of a structure.

FIG. 6 is a partially enlarged sectional view showing a conventional connection structure between a foundation and a base.

FIG. 7 is a partially enlarged cross-sectional view showing a state in which the base is raised by a raising member made of a stock in a conventional connection structure between a foundation and a base.

FIG. 8 is a partially enlarged cross-sectional view showing a state in which the base is raised with a raising member made of concrete in the conventional connection structure between the foundation and the base.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Connection part structure of foundation and foundation of building 12 Foundation concrete 14 Joint part 16 Anchor bolt 18 Base 20 Long bolt 22 Tightening nut 32 Building 34 Raising member 36 Long nut 38 Screw hole 40 Temporary stopper plug

Claims (6)

(57) [Claims] 1. A foundation concrete for constructing a building, an anchor bolt embedded in the foundation concrete and provided with a joint on an upper end side, a base mounted on an upper surface of the foundation concrete, A long bolt that penetrates the base in a sewn shape, an upper end protrudes from the upper surface of the base, and a lower end is jointly connected to the joint portion and is integrally connected and fixed to the anchor bolt. And a fastening nut which is screwed and fastened to the upper surface of the base. 2. The structure according to claim 1, wherein an upper end of the joint is buried flush with an upper surface of the foundation concrete. 3. The joint part comprises a bolt joint including a long nut formed long in the screwing direction. The long nut has an upper end surface flush with an upper surface of the foundation concrete at an upper end of the anchor bolt. 3. The connecting part structure between a foundation and a base of a building according to claim 1 or 2, which is screwed so as to be adjustable in height so as to form a shape. 4. An anchor bolt having a joint attached to an upper end protruding upward is buried in the foundation concrete, a base is mounted on an upper surface of the foundation concrete, and then an upper end of the long bolt is protruded upward. And connected to the joint part by penetrating through the base to connect with the anchor bolt integrally.The upper surface of the base is fastened with a fastening nut screwed to a long bolt. If the object is inclined, loosen the fastening nut of each long bolt fastened to the base and move it upward along the long bolt, raise the base along each long bolt and displace horizontally. An inclined building formed by sandwiching a raising member between the upper surface of the foundation concrete and the raised lower surface of the foundation to horizontally hold the foundation of the building, and fastening the fastening nut to the upper surface of the foundation again. Raising way of things. 5. The joint portion is a long nut formed long in the screwing direction. The long nut is screwed to an upper end of the anchor bolt, and a temporary stopper plug is inserted into a screw hole of the long nut from an upper surface. 5. The method for raising a sloped building according to claim 4, wherein said screw hole is closed by locking, and a long nut is buried flush with said foundation concrete in this state. 6. The method for raising a sloped building according to claim 5, wherein the temporary stopper is made of an elastic member.