JPH08232284A - Method for restoring unevenly settled building and lift member for use in restoration - Google Patents

Abstract

PURPOSE: To provide a restoration method by which a building tilted due to the settlement of the foundation is easily restored in a small space without using large machines such as a crane and to provide a lift member for use in restoration. CONSTITUTION: A building 1 comprises a foundation 2 and a building main body 4 provided on the foundation 2, and a lift member 7 on which a lift means 6 for lifting the foundation 2 works is passed through a plurality of through holes 5 provided in the foundation 2. The lift member 7 is lifted by the lift means 6, the foundation 2 is thereby lifted by the lift member 7, and a self- hardening grout 13 is cast into a space formed thereby below the foundation 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for repairing an unequal subsidence building for repairing a building tilted from a foundation due to an earthquake or the like, and a lifting member used for the repair.

[0002]

2. Description of the Related Art Conventionally, in order to restore a building tilted from a foundation due to an earthquake or the like, there has been a method of lifting the foundation of a building or a building body provided on the foundation by a working machine such as a crane to restore the building. .

[0003]

However, the above-mentioned method requires a space for the vehicle equipped with a crane to invade and work, especially in a dense area of a building such as a house. Was difficult to secure, and large-scale machines such as cranes were used, resulting in large-scale work.

Therefore, the present invention provides a method of repairing an unequal subsidence building and a lifting member used for the repair, which can easily work in a narrow space without using a large machine such as a crane. To aim.

[0005]

The present invention comprises a base portion 2 and
In a method for repairing an unequal subsidence building for repairing an inclination due to subsidence of a foundation part 2 of a building 1 comprising a building main body 4 provided on the foundation part 2, the following technical means are provided in order to achieve the above object. I am taking it. That is, the building 1 is attached to the foundation 2.
There are provided a plurality of insertion holes 5 for communicating indoors and outdoors, and each of the insertion holes 5 is provided with a lifting member 7 on which lifting means 6 for lifting the base portion 2 act. By lifting the lifting member 7 by means of the lifting member 7, the foundation part 2 is lifted at the position of the insertion hole 5 through the lifting member 7, and when the foundation part 2 is lifted, a gap is formed below the foundation part 2. It is characterized by inflowing a hard grout material 13.

Further, the insertion hole 5 is provided at a position close to the ground G of the base portion 2. The lifting member 7 is inserted into the insertion hole 5, a lower member 8 is disposed above the lower member 8, and an upper member 9 on which the lifting means 6 acts, and the lower member It is characterized in that it comprises a connecting member 10 for connecting the end of 8 and the end of the upper member 9.

The present invention also provides a base portion 2 and the base portion 2
In a method of repairing an unequal subsidence building for repairing an inclination due to subsidence of a foundation portion 2 of a building 1 comprising a building body 4 having a base 15 provided on an upper surface thereof, an insertion hole communicating the inside and outside of the building 1 with the base 15. A plurality of 5 are provided, each of which is inserted into each of the insertion holes 5 and includes a lifting member 7 on which a lifting means 6 for lifting the base 15 acts, and the lifting means 6 lifts the lifting member 7. Thus, the base 15 is lifted at the position of the insertion hole 5 via the lifting member 7, and the hour-hardness grout material 13 is caused to flow into the gap between the base 2 and the base 15 generated by lifting the base 15. It has a feature.

Further, a plurality of cutout recesses 19 are provided on the upper part of the base 2 over the width of the base 2 in the indoor and outdoor directions, and are inserted into the space surrounded by the cutout recesses 19 and the lower surface of the base 15, A lifting member 7 on which lifting means 6 for lifting the base 15 acts is provided, and by lifting the lifting member 7 by the lifting means 6, at the position of the cutout recess 19 via the lifting member 7. The base 15 is lifted, and the base 1
The time-hardening grout material 13 is caused to flow into a gap between the foundation portion 2 and the base portion 2, which is generated by lifting the lifting portion 5.

[0009] The present invention is used for repairing an unequal-subsidence building for repairing the inclination of the foundation part 2 of a building 1 consisting of the foundation part 2 and the building body 4 provided on the foundation part 2 due to the subsidence. In the upper member, the inside and outside of the building 1 communicate with each other, and the foundation 2
A lower member 8 which is inserted into an insertion hole 5 provided at a position close to the ground surface, and an upper member 9 which is disposed above the lower member 8 and on which a lifting means 6 for lifting the foundation 2 acts. The connecting member 10 connects the end of the lower member 8 and the end of the upper member 9 to each other.

[0010]

Since a plurality of insertion holes 5 are provided in the base portion 2 and the plurality of insertion holes 5 are used to distribute the load to lift the base portion 2, a small lifting means 6 can be used. Further, since the insertion hole 5 is provided at a position close to the ground G, the distance from the insertion hole 5 to the upper surface of the foundation portion 2 is increased, and this portion is sufficient for the load of the building when lifting the foundation portion. I try to endure it.

The lifting member 7 is inserted into the insertion hole 5 and is located above the lower member 8 which serves as a working portion when the foundation 2 is lifted, and the upper member 9 which serves as a working portion of the lifting means 6. Therefore, even when the insertion hole 5 is provided at a position close to the ground, a space for installing the lifting means 6 on the ground G can be secured. Then, a plurality of insertion holes 5 are provided in the base 15 provided on the upper surface of the base portion 2, and the plurality of insertion holes 5 are provided.
Since the load is distributed by the portion to lift the base, a small lifting means 6 can be used, and the lifting member 7 on which the lifting means 6 acts is inserted into the insertion hole 5, so the lifting means is 6 can be sufficiently secured on the ground, and the building body 4 above the foundation 15 above the foundation 15 can be secured.
The lifting weight can be reduced and the number of lifting means 6 can be reduced.

A plurality of cutout recesses are provided on the base provided on the upper surface of the base portion 2 across the width of the building in the indoor / outdoor direction, and the load is distributed in the cutout recesses 19 to lift the base 15, so that a small size is maintained. Since the upper means 6 can be used and the lifting member 7 on which the lifting means 6 acts is inserted into the space surrounded by the cutout recess 19 in the upper part of the base 2 and the lower surface of the base 15,
A sufficient space for installing the lifting means 6 on the ground can be secured, and since the building body 4 is lifted from the base 15 above the foundation 2, the lifting weight can be reduced and the number of lifting means 6 can be increased. Can be reduced.

[0013]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows a first embodiment of the present invention, in which a building 1 is composed of a foundation part 2 partially embedded in the ground and a building body 4 provided on the upper part of the foundation part 2. Below the part 2, a foundation ground 3 such as a split stone is formed.

Due to the subsidence of the ground due to the occurrence of an earthquake or the like or the subsidence of a landfill or the like, the foundation part 2 may be submerged together with the foundation ground 3 and the building 1 may be tilted. In order to restore the
An insertion hole 5 is provided to communicate indoors and outdoors. This insertion hole 5
Are provided at a position relatively close to the ground of the base portion 2 by using a core drill or the like at intervals.

Then, the lifting member 7 is inserted into each of the plurality of insertion holes 5. This lifting member 7 is an H-shaped steel, I
It is made of steel material such as type steel, groove type steel, or mountain type steel,
A lower member 8 that is inserted into the insertion hole 5, an upper member 9 that is disposed obliquely above both ends of the lower member 8, and an end portion of the lower member 8 and an end portion of the upper member 9 are connected to each other. It is composed of a connecting member 10. Further, the lifting means 6 is installed on the ground G so as to come into contact with the lower surface of the upper member 9.

As the lifting means 6, a jack, a winch or the like is used. In this embodiment, a jack such as a hydraulic jack, a pneumatic jack or a screw type jack is used.
The lifting means 6 may be electric or manual. With the above-described configuration, the lifting means 6 lifts the lifting member 7, and the foundation 2 is lifted through the lifting member 7 at the insertion hole 5 portion. And foundation part 2
Into a gap formed between the ground foundation 3 and the ground foundation 3, a time-hardening grout material 13 such as concrete, mortar, or resin flows in from a previously provided inflow path 12.

In the first embodiment described above, a plurality of insertion holes 5 are provided in the base portion 2, and the load is distributed by the plurality of insertion hole 5 portions to lift the base portion 2, so that a relatively small size such as a jack or winch is used. Since the lifting means 6 can be used and it is not necessary to use a large machine such as a crane, it is possible to easily work in a narrow space. Further, by providing the insertion hole 5 at a position close to the ground, the distance from the insertion hole 5 to the upper surface of the base portion 2 can be increased, and this portion can sufficiently bear the load when the base portion 2 is lifted. I am trying.

The lifting member 7 is inserted into the insertion hole 5 and is located above the lower member 8 which serves as a working portion when the foundation 2 is lifted, and the upper member 9 which serves as a working portion of the lifting means 6. Since the above-mentioned arrangement is provided, it is possible to secure a space for installing the lifting means 6 such as a jack on the ground even when the insertion hole 5 is provided at a position close to the ground. There is no need to create a space to install 6,
The work process is being reduced.

FIG. 2 shows a second embodiment of the present invention. The difference from the first embodiment is that the lifting member 7 is a lower member 8 which is inserted into the insertion hole 5, and the lower member. The upper member 9 is disposed obliquely upward from the outdoor end of 8, and the connecting member 10 that connects the lower member 8 and the upper member 9 together. Compared with the length from the action point of the lifting means 6 to the free end of the lower member 8, the lifting means 6
Is formed so that the length from the point of action of the upper member 9 to the free end of the upper member 9 becomes long. It is provided.

In this embodiment, when the lifting means 6 is actuated, the weight of the free end of the upper member 9 is increased by the weight 14 or the like to regulate the load downward, so that the lower member 8 is moved upward. Therefore, the foundation 2 can be lifted. In the second embodiment,
Since the lifting means 6 is installed only outdoors of the building 1, there is no need to perform the work for installing the lifting means 6 indoors, for example, the work of peeling off the indoor floorboard. The number can be reduced.

In the first and second embodiments, the shape of the insertion hole 5 is preferably made to correspond to the shape of the lifting member 7. For example, in the case where the lifting member 7 is formed of H steel with the flange portions arranged vertically, a method of forming the insertion hole 5 so that the flange surface is in surface contact with the insertion hole 5 so as to avoid stress concentration. Is good. On the contrary, the lifting member 7 may be formed so that the insertion hole 5 and the lifting member 7 are in surface contact with each other.

The insertion hole 5 is preferably provided at a position close to the ground, as described in the above embodiment.
The part from the insertion hole 5 to the upper surface of the base part 2 can be changed within a range that can withstand the load of the building when the base part 2 is lifted, and the lifting member 7 has a linear rod shape. Can be used. In addition, when the insertion hole 5 is provided at a position close to the ground G and a rod-shaped member is used as the lifting member 7, the ground G and the lifting member 7 are used.
If the jack does not come in between, a winch may be used as the lifting means 6 and the lifting member 7 may be pulled up from above.

FIG. 3 shows a third embodiment of the present invention, in which a building 1 has a foundation 2 and a base 1 on the upper surface of the foundation 2.
5 is provided, and a pillar 16 is erected on the upper surface of the base 15 to form a framework, and the structure is mainly found in a wooden building. The base 15 is formed by using wood or shaped steel such as grooved steel. When the building 1 is inclined due to the subsidence of the foundation portion 2, when the building 1 is restored, a plurality of insertion holes 5 for communicating the inside and the outside of the building are provided on the base 15 at intervals, and the respective insertion holes 5 Insert the lifting member 7 into
The lifting means 6 is installed on the ground G so as to contact the lower surfaces of the lifting member 7 on both indoor and outdoor sides.

Then, by operating the lifting means 6, the building body 4 is lifted from the base 15 part, and concrete, mortar, and mortar are put in the gap formed between the base 15 and the base part 2.
Alternatively, the time-hard grout material 13 such as resin is flowed in. The insertion hole 5 is in the shape of a slit that is wide in the horizontal direction, and the lifting member 7 is made of flat steel that conforms to the shape of the insertion hole 5.

Then, in order to prevent the lifting member 7 from bending, the lifting means 6 is installed close to the base portion 2. Third
In the embodiment, the base 15 on the base 2 is provided with the insertion hole 5, and the base 15 is lifted at the position of the insertion hole 5, so that a sufficient space for installing the lifting means 6 can be secured. Yes, and the base 15 above the foundation 2
Since the building main body 4 is lifted from above, the weight to be lifted can be reduced and the number of lifting means 6 can be reduced.

FIG. 4 shows a fourth embodiment of the present invention. In the building 1, as in the third embodiment, a base 2 and a base 15 are provided on the upper surface of the base 2, and the base 15 is provided. Pillar 1 on top of
When the building main body 4 is formed by standing up 6 to form a framework and the inclination of the building 1 is to be repaired, a plurality of cutout recessed portions 19 extending over the width of the base portion 2 in the indoor / outdoor direction are provided on the upper portion of the base portion 2. The lifting member 7 is inserted into a space surrounded by the cutout recess 19 and the lower surface of the base 15 at intervals.

In this embodiment, similarly to the third embodiment, the base 1 is formed from the position of the cutout recess 19 provided in the upper portion of the foundation 2.
Since 5 is lifted, a sufficient space for installing the lifting means 6 is secured, and since the building body 4 is lifted from the base 15 above the foundation 2, the lifting weight can be reduced. The quantity of means 6 can be reduced.

In the first to fourth embodiments, the through hole 5 provided in the base 2 or the base 15 and the cutout recess 19 provided in the upper surface of the base 2 are filled with grout material or the like after the building is restored. To restore, but the insertion hole 5 provided in the base part 2
Can be used as a ventilation port without being filled.

[0029]

According to the present invention, a plurality of insertion holes are provided in the foundation,
Since the load is distributed by the plurality of insertion hole portions to lift the base portion, a small lifting means can be used, and the work can be easily performed in a narrow space without using a large machine. Also, since the insertion hole is provided at a position close to the ground, increase the distance from the insertion hole to the upper surface of the foundation part so that this part can sufficiently withstand the load of the building when lifting the foundation part. Prevents damage to the foundation.

Further, since the lifting member is inserted into the insertion hole and the upper member serving as the working portion of the lifting means is arranged above the lower member serving as the working portion when the base portion is lifted. Even when the insertion hole is provided at a position close to the ground, it is possible to secure a space for installing the lifting means on the ground, and there is no need to dig the ground to create a space for installing the lifting means. We are trying to reduce the work process.

According to the present invention, since a plurality of insertion holes are provided in the base provided on the upper surface of the foundation and the load is lifted by the plurality of insertion hole portions to lift the base, a small lifting means can be used. Since the lifting member, on which the lifting means acts, is inserted into the insertion hole, it is possible to secure a sufficient space for installing the lifting means on the ground, and from the base above the foundation to the building. Since the main body is lifted, the weight to be lifted can be reduced and the number of lifting means can be reduced.

Further, according to the present invention, a plurality of cutout recesses are provided on the base provided on the upper surface of the foundation over the width in the indoor and outdoor directions of the building, and the load is distributed in the cutout recesses to lift the base, so that the size is small. Since the lifting means can be used and the lifting member acting on the lifting means is inserted into the space surrounded by the notched concave portion at the upper part of the foundation and the lower surface of the base, the lifting means is installed on the ground. Since a sufficient space can be secured and the building body is lifted from the base above the foundation, the weight to be lifted can be reduced and the number of lifting means can be reduced.

[Brief description of drawings]

FIG. 1 shows a first embodiment of the present invention, (a) is a sectional view,
(B) is a front view.

FIG. 2 is a sectional view showing a second embodiment of the present invention.

FIG. 3 shows a third embodiment of the present invention, (a) is a sectional view,
(B) is a front view.

FIG. 4 shows a fourth embodiment of the present invention, (a) is a sectional view,
(B) is a front view.

[Explanation of symbols]

 1 Building 2 Foundation Part 4 Building Main Body 5 Insertion Hole 6 Lifting Means 7 Lifting Member 8 Lower Member 9 Upper Member 10 Connecting Member 13 Grout Material 15 Base 19 Cutout Recess

Claims (6)

[Claims] 1. An unequal subsidence for repairing an inclination due to the subsidence of a foundation (2) of a building (1) comprising a foundation (2) and a building body (4) provided on the foundation (2). In the method for repairing a building, a plurality of insertion holes (5) communicating with the inside and outside of the building (1) are provided in the foundation part (2), and the insertion holes (5) are inserted into the insertion holes (5) to form the foundation part (2) A lifting member (7) on which lifting means (6) for lifting the lifting member acts. By lifting the lifting member (7) by the lifting means (6), the lifting member (7) is lifted. Through the insertion hole (5), the foundation portion (2) is lifted, and the hour-hardness grout material (13) is flown into the gap below the foundation portion (2) generated by lifting the foundation portion (2). A method of repairing an unequal subsidence building characterized by: 2. The through hole (5) is provided in the base portion (2).
The method for repairing an unequal subsidence building according to claim 1, wherein the method is provided at a position close to the ground (G). 3. The lifting member (7) includes a lower member (8) which is inserted into the insertion hole (5), and the lower member (8).
And an upper member (9) which is disposed above the upper member (6) and on which the lifting means (6) acts, and a connecting member (which connects the end of the lower member (8) and the end of the upper member (9) 10) The method for repairing an unequal subsidence building according to claim 1 or 2, comprising: 4. An inclination due to the subsidence of a foundation (2) of a building (1) comprising a foundation (2) and a building body (4) having a base (15) provided on the upper surface of the foundation (2). In the method for repairing an unequal subsidence building, the base (15) is provided with a plurality of through holes (5) communicating with the inside and outside of the building (1), and the through holes (5) are inserted into the through holes (5), respectively. A lifting member (7) on which a lifting means (6) for lifting the base (15) acts, and the lifting member (7) is lifted by the lifting means (6) to lift the lifting member (7). The base (15) is lifted at the position of the insertion hole (5) via (7), and the time-hardening grout material (13) is provided in the gap between the base (2) generated by lifting the base (15). ) Is flowing in, the repair method of the unequal subsidence building characterized by the above. 5. Tilt due to subsidence of a foundation (2) of a building (1) comprising a foundation (2) and a building body (4) having a base (15) provided on the upper surface of the foundation (2). In the method of repairing an unequal subsidence building, a plurality of cutout recesses (19) are provided in an upper part of the base part (2) over the width of the base part (2) in the indoor / outdoor direction. ) And the bottom of the base (15),
A lifting member (7) on which lifting means (6) for lifting the base (15) acts, and the lifting member (7) is lifted to lift the lifting member (7). The base (15) is lifted at the position of the cutout recess (19) through the member (7), and the time-hardening grout material (in the gap between the base (2) generated by lifting the base (15). 13) A method for repairing an unequal subsidence building, characterized by inflowing. 6. An unequal subsidence for repairing an inclination due to the subsidence of a foundation (2) of a building (1) comprising a foundation (2) and a building body (4) provided on the foundation (2). In a lifting member used for repairing a building, a lower member (8) that communicates with the inside and outside of the building (1) and is inserted into an insertion hole (5) provided at a position close to the ground of the foundation (2).
An upper member (9) which is arranged above the lower member (8) and on which a lifting means (6) for lifting the foundation (2) acts, and an end of the lower member (8). And a connecting member (10) for connecting the end of the upper member (9) to a lifting member used for repairing an unequal subsidence building.