JP3284009B2 - Building with basement - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a building with a basement.

[0002]

BACKGROUND ART From the viewpoint of realizing a new living system, securing a comfortable house that overcomes natural conditions, and realizing an efficient living system, buildings such as houses with basements have been receiving attention. The basements of these buildings have retaining walls,
The retaining wall may be manufactured at a construction site, or may be provided with a precast concrete (hereinafter, referred to as PC) retaining wall that is manufactured by casting concrete slurry on a formwork in advance at a factory. The foundation of a building excluding a basement may be manufactured by pouring concrete slurry into a foundation formwork at a construction site, or may be provided with a PC base material.

[0003]

In the above-mentioned building, for example, when the foundation is manufactured on site and the retaining wall of the basement is manufactured by PC wall members due to various conditions such as cost and construction time,
Alternatively, the base may be manufactured from PC base material and the basement retaining wall may be manufactured on site. However, in any of the above cases, there is a problem that since the construction methods of the foundation and the basement are different, the work on site is complicated, thereby increasing the cost.

[0004] It is an object of the present invention to provide a basement-equipped building in which work on site can be facilitated and the cost can be reduced.

[0005]

A building with a basement according to the present invention is a building having a basement, wherein a retaining wall around the basement is formed of a precast concrete wall member, and a foundation of the building is provided. Is made of precast concrete base material, and the basement and the foundation are
Connected by a connecting member made of cast concrete, and
The foundation side of the lower part of the connecting member is in the height direction of the foundation.
A basement side at the lower part of the connecting member, having the same height
Is the concrete of the basement from the top of the foundation in the height direction.
Having a height that reaches the plate slurry, and a lower portion of the connecting member.
The slope from the foundation side to the basement side.
Is provided .

[0006]

In the present invention, concrete filling portions may be formed at both longitudinal ends of the PC wall member, the PC base material and the PC connecting member.

[0008]

According to the present invention, since the construction of the basement and the foundation in the building is the same type of work using the PC-made retaining wall and the foundation material of the same construction method, the work on site is performed. And the cost can be reduced.

[0009] Also, a project for connecting the basement and the foundation of the building.
At the lower part of the recast concrete connecting member, there is formed a slope that descends from the foundation side to the basement side .
In, an inclined portion in providing a consolidated member can be along the vertical hole for basement, this result, it is not necessary to perform the backfilling of vertical hole for basement between the basement and foundation,
The labor involved can be saved and the construction period can be shortened.

[0010] Further, a PC wall member, a PC basic material and P
When concrete filling portions are formed at both ends in the length direction of the C connecting member, concrete slurry is poured into the concrete filling portions to join the PC members and the different PC members. It will be easier.

[0011]

An embodiment of the present invention will be described below with reference to the drawings. FIGS. 1 and 2 show a building 1 according to the present embodiment. The building 1 includes a basement 2. Basement 2
A space formed by providing a plurality of PC wall members 10 serving as retaining walls around four sides is appropriately partitioned by a PC partition wall 11. The PC wall member 10 and the PC partition wall 11 are formed in a substantially rectangular shape, and both end portions 1 are formed.
Reference numerals 0A and 11A have a U-shaped cross section, and the insides are concrete filling portions 10S and 11S. Also,
On the side surfaces of the PC wall member 10 and the PC partition wall 11, human holes 10B and 11B are opened, and the worker can use the human holes 10B and 11B.
B, 11B. The PC wall member 10 and the PC partition wall 11 have exactly the same structure. Further, although the size and the like of the PC wall member 10 in FIG. 1 are different, since they are structurally the same, they are denoted by the same reference numerals.

The foundation 3 of the building 1 is formed by combining a plurality of PC foundation members 20 in accordance with the shape of the building 1. These PC base members 20 are formed to be lower than the height dimension of the PC wall member 10, and both end portions 20A have a U-shaped cross section, and the inside thereof is a concrete filling portion 20S. In addition, a human through hole 20 is appropriately formed on the side.
B is cut out and a footing 20C is formed at the bottom. In addition, although the size etc. of the PC base material 20 of the base 3 in FIG. 1 are different, since they are structurally the same, they are denoted by the same reference numerals.

The basement 2 and the foundation 3 are connected by a PC connecting plate 4 as a connecting member. That is, PC
One end 4A of the connecting plate 4 has the same height as the height of the PC base member 20, and the other end 4B has the same height as the PC connecting member 10. The lower part of the PC connecting plate 4 is an inclined part 4C connecting one end 4A to the other end 4B, in other words, an inclined part having a downward slope from the foundation 3 side to the basement 2 side, and is formed in a so-called haunch shape. Have been. Both ends 4D in the longitudinal direction of the PC connecting plate 4 have a U-shaped cross section, and the inside thereof is a concrete filling portion 4S. In addition, a through hole 4E is formed on the side surface. Four such PC connecting members 20 are arranged between the basement 2 and the foundation 3, and by pouring concrete slurry into the concrete filling portion 4D, the PC connecting members 20 are placed.
At 0, the basement 2 and the foundation 3 are connected.

The basement 2, the foundation 3, and the PC connecting member 4 are provided as follows. That is, as shown in FIG. 2, at the bottom of the vertical hole 13 of the basement 2, a large number of reinforcing bars 14 are vertically and horizontally disposed on gravel or the like, and the PC level member 15 is provided thereon via the PC level plate 15. 10, PC partition wall 11 is provided. Then, the concrete slurry 16 is cast from the reinforcing bar 14 so as to have a predetermined size and thickness, thereby forming the floor surface 2A of the basement 2. The vertical hole 13 is formed by installing the PC wall member 10 and the PC partition wall 11 to form the basement 2 and then filling the soil into the backfilling section 17 to perform a backfill operation. At this time, the space 18 between the basement 2 and the foundation 3 is originally a backfill part, but does not perform backfill work.

The PC base material 20 is installed with the footing 20C installed in the root cutting portion 21, and after properly dumping a concrete, the soil is put into the PC base material 20 and the backfilling portion 22 of the root cutting portion 21. Perform backfill work. In addition, PC basic material 20
Are placed on the PC level plate 23. Also,
The attachment of the PC connecting plate 4 is performed so that the inclined portion 4C of the PC connecting plate 4 is along the inclination of the vertical hole 13 in the space 18. Then, a concrete slurry 19 is poured into a lower portion of the inclined portion 4C of the PC connecting plate 4, whereby a footing of the PC connecting plate 4 is formed at the portion of the concrete slurry 19.

On such a PC base material 20, a ground building 6 by, for example, a panel method is mounted, and a similar ground building 7 is also mounted on the basement 2, whereby the building 1 with a basement is built. . The basement 2 may be used as, for example, a living room or the like by making it possible to enter and exit the above-ground building 7 by stairs or the like (not shown), or may be formed as a slope from the ground so that the basement 2 can be used for a garage or the like. Is also good.

According to the above-described embodiment, the following effects can be obtained. That is, the basement 2 has a plurality of PC wall members 1.
0 and PC partition wall 11, and foundation 3 is P
The connecting members 4 for connecting the basement 2 and the foundation 3 in the C base material 20 are each formed by a plurality of PC connecting plates 4. These members 10, 11, 20, 4 are all PC
Since they are of the same type, they only need to be brought in from the factory and installed at the site, and the work is not complicated, so that the work efficiency is improved and the cost is reduced.

The PC connecting plate 4 is formed with an inclined portion 4C. The inclined portion 4C can be arranged along the inclination of the vertical hole 13 for the basement 2 in the space 18, so that the vertical hole 13 is left as it is. In other words, in other words, backfilling in the vertical hole 13 between the basement 2 and the foundation 3 does not need to be performed, and the labor required for the backfilling can be omitted, so that the construction period can be shortened.

Further, the inclined portion 4C of the PC connecting plate 4
The concrete slurry 19 is cast in the lower portion of the PC connecting plate 4 so that the portion of the concrete slurry 19 becomes a footing of the PC connecting plate 4, thereby increasing the strength of the PC connecting plate 4.

Further, the PC connecting plate 4, the PC basic material 20, P
Concrete ends 4S, 20S, and 10S are formed at the ends 4A, 20A, and 10A of the C wall member 10, respectively. If it is brought into contact with a wall surface such as the above, concrete slurry can be poured into the joint portion, so that the joining of the PC base materials 20 and the PC wall member 10 becomes easy, and the joining between the basement 2 and the foundation 3 is also easy. Become.

The PC wall member 10 and the PC connecting plate 4
In addition, since the human through holes 10B and 4E are formed, the worker can also enter through these human through holes 10B and 5E, whereby the inside of the basement 2 can be operated.

The present invention is not limited to the above-described embodiment, but includes the following modifications as long as the object of the present invention can be achieved. For example, in the above-described embodiment, the basement 2 is surrounded by the PC wall member 10,
It is formed by partitioning the inside with PC partition wall 11,
The present invention is not limited to this, and may be a basement including one large underground space without being partitioned by the PC partition wall 11.

In the above embodiment, the foundation 3 is installed after the PC wall member 10 of the basement 2 is installed, and then the PC connecting plate 4 is provided between the bases 2 and 10. Is not limited to this. For example, a foundation 3 is constructed, a PC connecting plate 4 is arranged, and finally, a PC wall member 1 of the basement 2 is constructed.
0 may be set. In the present invention, it is only necessary that the foundation 3 and the retaining wall of the basement 2 are made of PC and that these are connected by the PC connecting plate 4.

[0024]

As described above, in the basement-equipped building of the present invention, the construction of the basement and the foundation in the building is performed by using PC retaining walls and foundation materials of the same construction method. Therefore, on-site work is facilitated, thereby reducing costs.

[0025] Further, since an inclined portion having a downward slope from the foundation side to the basement side is formed below the PC connecting member for connecting the basement and the foundation, the inclined portion is provided when the PC connecting member is provided. Of the basement, and as a result, there is no need to backfill the basement vertical hole between the basement and the foundation.
The construction period can be shortened.

[Brief description of the drawings]

FIG. 1 is a plan view showing a building according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Building 2 Basement 3 Foundation 4 PC connection member 4C Inclined part 4S, 10S, 11S Concrete filling part 10 PC wall member which is a retaining wall 13 Vertical hole of basement 20 PC base material

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁷ , DB name) E02D 29/00

Claims (2)

(57) [Claims] 1. A building provided with a basement, retaining walls around the basement while being formed in a precast concrete wall member, the basis of the building is formed by precast concrete foundation member, and the basement The foundation
Is connected with a precast concrete connecting member,
And the foundation side of the lower part of the connecting member is the height of the foundation.
Underground below the connecting member, having a height consistent with the direction
The room side is connected to the basement from the top of the foundation in the height direction.
Having a height that reaches the cleat slurry,
At the bottom, descend from the foundation side to the basement side
A building with a basement, characterized by the provision of a slope . 2. The building with a basement according to claim 1 , wherein concrete filling portions are formed at both longitudinal ends of the precast concrete wall member, the precast concrete base material and the precast concrete connecting member. Building with a basement.