JPH0733718B2 - Basement construction method - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a method for constructing a basement, which is mainly urged by a relatively small building such as a single-family house or a low-rise condominium.

[Conventional technology]

Recently, due to lack of land and diversification of life, there is a strong demand for a basement to be built in a private house, and there are many private houses with a basement.

By the way, conventionally, most of this type of basement is constructed by a reinforced concrete structure like the basement of a general large-scale building.

[Problems to be Solved by the Invention]

However, the reinforced concrete structure requires a great deal of time and effort due to construction methods such as formwork construction, and it is unavoidable that the cost is high and the construction period is long, so it is extremely difficult to construct a basement in a small building. It can be said that this is an economical construction method.

For this reason, recently, as an alternative method to the reinforced concrete structure, a basement room such as a steel plate structure, a steel frame structure or a concrete block structure has been constructed.

However, like the concrete structure, there are many things that are insufficient in terms of economic efficiency, waterproofness, construction period, etc., so there is no perfect one, and it is strongly desired to develop a basement construction method suitable for construction of basements for small buildings. It was rare.

The present invention has been proposed in response to such demands, and an object thereof is to provide a basement building construction method capable of significantly reducing the workability, the economical efficiency, and the construction period.

[Means for Solving the Problems]

The basement building construction method according to the present invention is a three-dimensional wire netting constructed by connecting wire netting plates installed in parallel with each other with a plurality of lattice materials, a heat insulating panel in the central part of the three-dimensional wire netting, and a PC outside. It is equipped with a panel for building a basement constructed by integrally installing each panel, first drilling a vertical hole of a predetermined depth, forming a reinforced concrete foundation slab at the bottom of this vertical hole, and the inner circumference of this vertical hole To build the basement building panel along with the PC panel along the inner circumference of the vertical hole, to build the three-dimensional wire mesh inside the basement building panel, and to pour concrete or mortar inside it. Characterize.

〔Example〕

Hereinafter, the present invention will be described based on an illustrated embodiment.

In the construction method of the basement according to the present invention, a three-dimensional wire mesh 1 as shown in FIGS. 4 to 6 and a basement building panel 2 as shown in FIGS. 10 to 12 are used.

The three-dimensional wire netting 1 has two wire netting plates 3 and 3 in the form of a lattice or a rhombic mesh, which are installed in parallel at a predetermined interval.
The two wire mesh plates 3, 3 are integrally connected by a plurality of lattice members made of iron wire or the like to form a rectangular plate having a predetermined thickness.

In the basement building panel 2, a heat insulating panel 5 made of urethane or the like is installed over the entire surface of the three-dimensional wire netting 1 substantially at the center of the three-dimensional wire netting 1, and the PC panel 6 is heat-insulated on one side of the heat insulating panel 5. It is configured by being integrally formed with the panel 5.

The PC panel 6 is constructed by pouring mortar or concrete over one surface of the heat insulating panel 5 until the three-dimensional wire mesh 1 protruding from the surface of the heat insulating panel 5 is completely filled. The surface is waterproofed by applying a waterproof material such as an epoxy coating material.

Pitch and diameter of meshes of the wire mesh plates 3 and 3 of the three-dimensional wire mesh 1 and P
The thickness of the C panel 6 is appropriately determined according to the scale of the basement to be constructed.

Next, the construction method of the basement will be explained step by step.

First, a vertical hole A having a predetermined depth is excavated on the ground surface, and a reinforced concrete foundation slab 7 is constructed at the bottom thereof.

The foundation slab 7 shall be constructed with sufficient strength and weight so that it can sufficiently bear the weight of the above-ground structure constructed on the foundation slab 7 and sufficiently resist the buoyancy caused by groundwater.

Reinforcing bars 8, ... Are arranged at regular intervals on the peripheral portion of the base slab 7.

Subsequently, the basement building panel 2 is built on the outer periphery of the foundation slab 7 with the PC panel 6 attached to the inner surface of the vertical hole A.

At the time of building the basement building panel 2, the reinforcing bar 8 is made to rise between the wire mesh plate 3 and the heat insulating panel 5, and the wire mesh plate 3 and the reinforcing bar 8 are welded if necessary.

Once the basement building panels 2 have been built around the entire circumference of the foundation slab 7, the joints between the adjacent basement building panels 2 and 2 are filled with caulking material or waterproofed by attaching a waterproof tape. Apply processing.

Insulating parts such as joints between basement building panels 2 and 2 where insulation is insufficient are supplemented with a heat insulating material for reinforcement.

Then, the three-dimensional wire netting 1 is built inside the basement building panel 2.

When building the three-dimensional wire mesh 1, the wire mesh plates 3, 3 of the three-dimensional wire mesh 1
The reinforcing bar 8 is allowed to rise inside the wire, and the wire mesh plate 3 and the reinforcing bar 8 are welded if necessary.

Subsequently, reinforcing reinforcing bars 9 are arranged in the vertical and horizontal directions inside the wire nets 3, 3 of the three-dimensional wire net 1.

The diameter, reinforcement amount and reinforcement pitch of the reinforcing reinforcing bar 9 are appropriately determined according to the size of the basement.

Then, concrete or mortar 10 is sprayed on the inside of the basement building panel 2, the heat insulating material 5 of the basement building panel 2 and the three-dimensional wire mesh 1 are completely embedded in the concrete or mortar 10, and the surface of the concrete or mortar 10 is further covered. Make it smooth.

Then, the concrete or mortar 10 is fully cured until a predetermined strength is exhibited.

Therefore, the outer wall of the basement is constructed. The numbers in the figure
11 is a drainage ditch provided for treating the spring water.

Then, when the concrete or mortar 10 has sufficiently developed strength, a waterproof, moisture-proof and mildew-proof material is applied over the front surface of the outer wall of the basement.

Then, the interior material 12 is attached to the inner side of the basement wall to finish the inner wall.

The interior material 12 is appropriately selected according to the purpose of use of the basement.

Then, a plurality of basement building panels 2 are installed over the entire surface of the vertical hole A with the PC panel 6 on the lower side.

In this case, both ends of the basement building panel 2 are placed on the upper end of the outer wall of the vertical hole A, and a connecting wire net or a plurality of connecting reinforcing bars (not shown) are provided across both the end of the basement building panel 2 and the upper end of the outer wall. Is welded to the anchor rebar (not shown) projecting from the upper end of the outer wall of the basement and the wire mesh plate 3 of the basement building panel 2 if necessary.

Then, concrete or mortar 10 is placed on the basement building panel 2 and the three-dimensional wire netting 1 and the heat insulating material 5 are completely embedded in the concrete or mortar 10.

Then, the surface is smoothed and fully cured until sufficient strength is exhibited.

Once the concrete or mortar 10 develops sufficient strength, build a structure above it.

〔The invention's effect〕

Since the present invention is configured as described above, it has the following effects.

The outer wall of the basement is outside on the inner circumference of the vertical hole drilled to a specified depth.
Because it is constructed by stacking a plurality of basement building panels integrally formed with PC panels and a three-dimensional wire mesh and placing concrete or mortar inside it,
Drilling work can be reduced as much as possible.

Further, the conventional concrete formwork construction, which requires a lot of time and effort and a lot of formwork materials, becomes unnecessary. further,
Since the basement construction panel has a heat insulating material attached,
Insulation can be installed at the same time as building basement building panels. Therefore, labor saving in construction, economical construction, and a significantly shortened construction period can be achieved.

[Brief description of drawings]

1 to 12 show an embodiment of the present invention.
Fig. 1 is a partial longitudinal sectional view of a basement, Fig. 2 is a sectional view taken along the line aa in Fig. 1, Fig. 3 is a sectional view taken along the line bb in Fig. 1, and Fig. 4 is a front view of a three-dimensional wire mesh. Fig. 5 is a vertical cross-sectional view, Fig. 6 is a horizontal cross-sectional view, Fig. 7 is a front view of a three-dimensional wire mesh with a heat insulating material, Fig. 8 is its vertical cross-sectional view, and Fig. 9 is its cross-section. Floor plan, Figure 10 is a front view of the basement building panel,
FIG. 11 is a longitudinal sectional view thereof, and FIG. 12 is a transverse sectional view thereof. 1 ... Three-dimensional wire mesh, 2 ... Basement building panel, 3 ... Wire mesh plate, 4 ... Lattice material, 5 ... Thermal insulation material, 6 ... PC panel, 7 ... Basic slab, 8 ... Reinforcing bar, 9 ... Reinforcing bars, 10 ... Concrete or mortar, 11 ... Drains, 12 ... Interior materials.

Claims (1)

[Claims] 1. A three-dimensional wire net formed by connecting wire net plates that are installed substantially parallel to each other with a plurality of lattice members, a heat insulating panel in the center of the three-dimensional wire net, and a PC panel outside. And a panel for building a basement constructed by installing the basement, first drilling a vertical hole with a predetermined depth, forming a reinforced concrete foundation slab at the bottom of this vertical hole, and building the basement inside the vertical hole. A panel for building the PC panel along the inner circumference of the vertical hole, the three-dimensional wire mesh is built inside the basement building panel, and concrete or mortar is placed inside the basement Construction method.