JP2620078B2 - Basement space construction method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention mainly relates to a basement space construction method for a general house or a small apartment house.

[Conventional technology]

Conventional methods for constructing a basement space include a steel panel method (Japanese Patent Laid-Open No. 61-109870) in which a plurality of steel segments are built in the ground and the steel basement and the foundation of the ground building are joined together. After excavating the excavation form by excavating the inside of the form, the steel plate discarding form method (Japanese Patent Application Laid-Open No. 61-221463) in which a wall board is buried in the excavation form A PC panel method (Jpn. Pat. Appln. KOKAI Publication No. 61-211457) in which the ends are joined via a packing or a resin concrete panel method is known.

[Problems to be solved by the invention]

However, the above-described conventional basement space construction method has a problem that the material cost and the construction cost are expensive, the weight is heavy, a lifting machine is required for the construction, and the heat insulation performance is poor and dew condensation is easy. .

The present invention has been made to solve the above-described problems, and has an object to provide a basement space construction method in which construction cost is low, and a light weight is not required for construction because the construction cost is low and the heat insulation performance is excellent. I do.

[Means for solving the problem]

For this purpose, the basement space construction method of the present invention includes a half precast panel in which a heat insulating material is provided in a three-dimensional grid-like welding wire mesh, and mortar or concrete is cast on one side of the three-dimensional grid-like welding wire mesh at a predetermined position. The wall and the upper wall of the basement are formed by vertically inserting the concrete into the basement, and after the bottom concrete is cast, the inner surface of the wall and the upper part of the upper wall are formed of mortar or concrete.

[Action]

In the present invention, as shown in FIG. 1, for example, root cutting for forming a basement space is performed (a), and then splittering and rubble concrete 5 are placed (b), and then blacking is performed. , Half precast panels 4 on concrete 5
, And then on the part that forms the base and the wall post,
After the bottom reinforcement 7 and the wall column reinforcement 8 have been constructed (d), concrete 9 is cast on the bottom 5 and concrete is subsequently cast on the wall columns (e), and then the half precast panel Upper panel construction panel 10 similar to 4 was laid (f)
Then, mortar is sprayed on the inner wall surface and the upper surface of the upper plate or concrete is poured (g), and a waterproof treatment is performed on the outer wall surface with a waterproof material 11 such as asphalt (h), and finally backfilling is performed. Go to build a basement (i).

As a result, because of the light weight, without using a hoist,
Easy to carry in and easy to assemble by hand,
It is possible to construct a basement space with low cost and excellent heat insulation.

〔Example〕

Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a view for explaining one embodiment of a basement space construction method of the present invention, FIG. 2 (a) is a plan view of a basement according to the present invention, FIG. 2 (b) is a sectional view thereof, and FIG. And FIG. 4 is a sectional view showing a joint portion of the wall panel.

In the drawing, 1 is a three-dimensional grid-like welded wire mesh, 2 is a core material, 3 is a surface material, 4, 4a and 4b are half precast panels, 5 is a bottom plate, 6 is a wall column, 7 is a reinforcing bar arrangement, and 8 is a wall. Column reinforcement, 9 is cocrete, 10 is upper panel, 11 is waterproof material, 12 and 13 are wall column reinforcement, 14 is joint reinforcement, 15 is joint mesh, 16 is lightweight cement mortar or ordinary cement mortar or concrete Is shown.

As shown in FIGS. 3 and 4, the wall panel used in the basement according to the present invention has a core material 2 in a three-dimensional grid-like welded wire mesh 1 and one side of the three-dimensional grid-shaped welded wire mesh 1. And a half precast panel 4 in which a surface material 3 is cast. As the core material 2, a material having good heat insulating properties such as urethane foam, foamed styrene, glass wool,
As the surface material 3, lightweight cement mortar, ordinary cement mortar, or concrete is used.

FIG. 1 shows a construction process of a basement space construction method according to the present invention.

First, root cutting for forming a basement space is performed (a), and then, the split preparatory panel and the waste concrete 5 are placed (b). 4 is built to form a basement wall as shown in FIG. 2 (a) (c). Next, at the part where the bottom plate 5 and the wall pillar 6 (FIG. 2) are formed,
After the bottom reinforcement 7 and the wall column reinforcement 8 have been constructed (d), concrete 9 is cast on the bottom 5 and concrete is subsequently cast on the wall columns (e). Next, the upper panel 10 similar to the half precast panel 4 was laid (f).
Then, mortar is sprayed or concrete is poured on the inner wall surface and the upper surface of the upper wall (g), and the outer wall surface is waterproofed with a waterproof material 11 such as asphalt (h), and finally backfilled. (I) to construct a basement.

FIG. 3 shows a joint between the half precast panels 4 forming a wall in the above-described construction method. At the joint of the half precast panels 4a and 4b having a core material 2 in a three-dimensional lattice-like welded wire net 1 and a surface material 3 cast on one side of the three-dimensional lattice-shaped welded wire mesh 1, a wall column reinforcing bar 12 is provided. , 13 and joint reinforcing bars 14 and half precast panel 4a,
After arranging the joint mesh 15 over 4b, a lightweight cement mortar or ordinary cement mortar or concrete 16 is sprayed, but is cast and joined to form a wall.

FIG. 4 shows a joint portion of a corner portion between the half precast panels 4, and a joint reinforcing bar 14 bent into the shape of the corner portion is arranged, and half precast panels 4 a and 4 b are provided.
After the joint mesh 15 is provided, the corner wall is formed by spraying or casting a lightweight cement mortar or a normal cement mortar or concrete 16 to join them together.

In FIGS. 3 and 4, the wall column reinforcing bars 12, 13 and the joint reinforcing bars 14 are arranged between the core members 2 provided on the half precast panels 4a, 4b. When 4a and 4b are joined, core material 2
May be provided continuously. In this case, the wall column reinforcing bars 12 and 13 and the joint reinforcing bar 14 are disposed on the inner wall side of the core material 2.

Note that the present invention is not limited to the above embodiment, and various modifications are possible.

For example, in the above embodiment, the basement is formed by spraying lightweight cement mortar, ordinary cement mortar, or concrete 16, but may be applied by spraying instead of spraying.

〔The invention's effect〕

As described above, in the present invention, a half precast panel in which a heat insulating material is provided in a three-dimensional lattice-like welded wire mesh and mortar or concrete is cast on one side of the three-dimensional lattice-like welded wire mesh is built at a predetermined position. After forming the basement wall and the upper wall by casting the concrete, and then laying the bottom concrete, mortar or concrete is formed on the inner surface of the wall and the upper surface of the upper wall, so that the following effects are exerted. .

(A) The weight of the half precast panel can be reduced, and the basement space can be manually constructed without using a hoist.

(B) Good heat insulation performance and no condensation.

(C) Water leakage can be prevented because the outer wall is waterproofed.

(D) Free basement space can be constructed.

(E) Material costs and construction costs can be reduced.

[Brief description of the drawings]

FIG. 1 is a view for explaining one embodiment of a basement space construction method of the present invention, FIG. 2 (a) is a plan view of a basement according to the present invention, FIG. 2 (b) is a sectional view thereof, and FIG. And FIG. 4 is a sectional view showing a joint portion of the wall panel. 1 ... three-dimensional grid-like welding wire mesh, 2 ... core material (heat insulating material),
3 ... surface material (mortar or concrete), 4, 4
a, 4b: half precast panel, 5: bottom plate, 6
...... Wall pillars, 7 ... Bottom board reinforcement, 8 ... Wall pillar reinforcement, 9 ... Concrete, 10 ... Upper panel construction panel, 11 ... Waterproof material, 1
2, 13 ... wall column arrangement, 14 ... joint reinforcement, 15 ... joint mesh, 16 ... lightweight cement mortar or ordinary cement mortar or concrete.

 ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Aiwa Abe 2-6-1 Kyobashi, Chuo-ku, Tokyo Shimizu Construction Co., Ltd. Examiner Shinji Fujiwara (56) References JP-A-57-66252 (JP, A JP-A-62-10334 (JP, A) JP-A-52-48212 (JP, A)

Claims (4)

(57) [Claims] A half precast panel in which a heat insulating material is provided in a three-dimensional grid-like welded wire mesh and a mortar or concrete is cast on one side of the three-dimensional grid-like welded wire mesh at a predetermined position, thereby forming an underground room. A method for constructing a basement space, comprising: forming a wall and an upper wall; placing concrete in a bottom wall; and forming an inner surface of the wall and an upper portion of the upper wall with mortar or concrete. 2. The basement room construction method according to claim 1, wherein a wall pillar arrangement is constructed at a joint portion of said half precast panel. 3. A basement space construction method according to claim 1, wherein joint reinforcement is provided at a joint of said half precast panel. 4. The basement space construction method according to claim 1, wherein a joint mesh is constructed on a surface of a joint portion of the half precast panel.