JPH0654033B2 - Installation method of concrete underground structure and water-permeable bag deployable body used for implementing this method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention installs a concrete underground structure such as an underground storage made by assembling a reinforced concrete block in advance by burying it in a hole dug underground. The present invention relates to a method for installing a concrete underground structure and a water-impermeable bag deployable body used for implementing this method.

[Conventional technology]

A concrete underground structure such as a concrete underground storage is made by assembling a plurality of reinforced concrete blocks, and then this concrete underground structure is installed by being buried in a hole dug underground. In the prior art, such a concrete underground structure, after being placed in a water-impervious bag that covers the entire underground structure, in order to prevent water from entering through the concrete block itself and its joints, It is buried underground.

[Problems to be Solved by the Invention]

However, in this conventional technique, it is necessary to prepare a water-impervious bag having a size that can fit the entire underground structure to be buried, so if the underground structure is extremely large, the water-impervious bag also becomes large. It is impossible to handle, so it was practically difficult to apply water-blocking treatment to large underground structures.

An object of the present invention is to provide a method for installing a concrete underground structure that avoids the above-mentioned drawbacks and can easily perform water-impervious treatment even on a concrete underground structure having a large size. .

Another object of the present invention is to provide a water-permeable bag deploying body for a concrete underground structure, which can easily carry out water-blocking treatment even on a large-sized concrete underground structure in order to avoid the above-mentioned drawbacks. To do.

[Means for Solving the Problems]

One solution of the present invention is a method of inserting a concrete underground structure into a hole dug underground and burying soil around the underground structure to install a concrete underground structure. Before inserting an object into a hole, the underground building is covered at least several times in the underground hole so that the water-blocking sheet materials are coated so as to overlap each other, and almost the entire surface of the underground building is covered with an impermeable layer. An object of the present invention is to provide a method for installing a concrete structure characterized by covering.

Another solution of the present invention is a method of inserting a concrete underground structure into a hole dug underground and burying soil around the underground structure to install the concrete underground structure. Before inserting the into the hole, lay a waterproof bag expander that should cover the lower half of the underground structure at the bottom of the underground hole, and bond this bag expander to the bottom of the underground structure and the peripheral surface of the lower half. The bottom of the underground structure by covering it with a water barrier bag, and then covering the upper half of the underground structure with a waterproof bag expander in the same manner. So that it folds to adhere to the perimeter of the section and covers the upper half of the subterranean building with a water blocking bag, and then overlaps the upper and lower water blocking bags around the remaining exposed surface of the underground building. Winding and adhering a water-blocking sheet around the building and covering the underground structure with a water-blocking layer And to provide a method of installing concrete buildings characterized.

Yet another solution of the present invention is a method of inserting a concrete underground structure into a hole dug underground, burying soil around the underground structure to install the concrete underground structure, Before inserting the object into the hole, lay a waterproof bag expander that should cover the lower half of the underground structure at the bottom of the underground hole, and use this bag expander on the bottom and the peripheral surface of the lower half of the underground structure. Folding so that it adheres, cover the lower half of the underground structure with a waterproof bag and attach it, and then cover the upper half of the underground structure with a waterproof bag expander in the same manner. Fold so that it adheres to the upper surface of the underground building and the peripheral surface of the upper half while overlapping the upper edge of the water blocking bag and cover the upper half of the underground building with the water blocking bag and attach it Providing a method for installing a concrete building characterized by covering the building with an impermeable layer In the Rukoto.

Still another solution of the present invention is used by mounting a concrete underground structure in a hole dug underground and installing it around a concrete underground structure installed by burying soil around the underground structure. It is a water-impermeable bag that should cover a top surface or a bottom surface of an underground structure and a plurality of bags that are connected to the center surface of the bag and cover an upper half or a lower half of the underground structure. It is an object of the present invention to provide a concrete underground building water-impermeable bag deploying body including a bag peripheral surface piece and a joining margin provided on the edge of the bag peripheral surface piece and any bag peripheral surface piece.

[Action]

In this way, the concrete underground structure to be buried underground is attached to the upper and lower halves or divided into the remaining part and the water-impervious sheet material is attached to perform water shielding treatment. It is possible to easily carry out the work of water blocking treatment, and therefore, the installation work of the concrete underground structure can be performed at low cost.

〔Example〕

An embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a concrete underground structure 10 installed by the method according to the present invention, and this concrete underground structure 10 is shown in FIG. As shown in FIG. 5, a plurality of concrete blocks 12 are assembled by joining their joint edges by joint means such as bolts (not shown). In addition, at least one entrance / exit 10a is provided in a part of the upper surface of the underground building 10, and the entrance / exit 10a is openably / closably closed by a lid block 14. This underground building 10 is inserted into a hole 16 dug underground so that only the lid block 14 is exposed on the ground surface, and is buried underground to be installed underground.

The basic principle of the method of the present invention is shown in FIGS. 3 (A) to (E).
As shown in,
Prior to insertion into the basement, the concrete 18 is discarded in situ at the bottom of the underground hole 16 and divided into a number of times around the underground structure 10 in a plurality of first, second and third designated 20, 20 ', 22.
The water-impervious sheet members are covered so as to overlap each other for water-impervious treatment.

Referring to FIG. 3, one embodiment of the present invention will be described. Before inserting the concrete underground structure 10 into the hole, first,
As shown in FIG. (A), a water-permeable bag deploying body 20A that should cover the lower half of the underground building 10 is laid on the waste concrete 18 at the bottom of the underground hole 16, and the bag deploying body 20A is constructed underground. It is folded so as to adhere to the bottom of the object 10 and the peripheral surface of the lower half part, and the lower half part of the underground building 10 is covered with a water-impervious bag 20 as a first water-impervious sheet member and attached (Fig. 3 ( B)
After that, cover the upper half of the underground building 10 with a waterproof bag expander 20'A (not shown) in the same manner, and adhere to the upper surface of the underground building 10 and the peripheral surface of the upper half. It is folded and attached to the upper half of the underground building 10 by covering it with a water-blocking bag 20 'as a second water-blocking sheet member (Fig. 3 (C)).
reference). Then, as shown in FIG. 3 (D), around the remaining exposed surface (central portion) of the underground building 10 so as to overlap the upper and lower edges of the upper and lower water-blocking bags 20, 20 '. As the third water-blocking sheet member, the water-blocking strip-shaped sheet 22 is wound and adhered to cover the underground building 10 with the water-blocking layer 24.

The water-blocking sheet member is made of a vinyl sheet having a thickness of about 3 to 5 mm, and these water-blocking sheet materials are bonded to the surface of the underground building 10 by an adhesive formed on the inner surface in advance.

As shown in FIG. 4, the bag deploying bodies 20A and 20'A include a bag central surface 26 that covers the bottom surface or the top surface of the underground building 10, and
Four bag peripheral surface pieces 28A, 28A ', 28B, 28B', which are provided so as to be connected to the bag central surface 26 and cover the peripheral surface of the upper half or the lower half of the underground structure, that is, the four side surfaces, Bag peripheral surface pieces 28A, 28A ', 28B, 28B' may be any bag peripheral surface piece such as 28A, so that they overlap each other.
28A 'and joining margins 29 provided on both edges. Therefore, when the bag center surface 26 is aligned with the bottom surface or the top surface of the underground structure 10 and then the bag peripheral surface piece 28 is joined to the peripheral surface of the underground structure 10 while overlapping with the joining margin 29,
The water shield bags 20 and 20 'are formed. Incidentally, FIG. 3 (C)
As can be seen from (D), the water blocking bag 20 'has a through hole through which the lid block 14 penetrates so that the lid block 14 is exposed on the surface.

In this way, the impermeable layer 2 is formed on almost the entire surface of the underground structure 10.
After forming 4, the underground structure 10 is buried underground by burying soil in the upper surface around the underground structure 10 as shown in FIG. 3 (E).

FIG. 5 shows another embodiment of the present invention. In this embodiment,
The waterproof bag 2 without using the third waterproof sheet member
This is substantially the same as the embodiment of FIG. 3 except that 0, 20 'is covered by overlapping the upper and lower edges thereof to form an impermeable layer 24. This embodiment applies when the underground building 10 is relatively low.

〔The invention's effect〕

According to the present invention, as described above, since a concrete underground structure to be buried underground is divided into a plurality of times and water-impervious sheet materials are attached to carry out water shielding treatment, even a large-sized concrete underground structure can be easily processed. Can be used for water shielding treatment, and each time the covering is performed by folding the bag expander so as to join it to the surface of the underground structure or by winding a strip-shaped sheet, the covering work is easy, and therefore it is made of concrete. Installation work for underground buildings can be performed at low cost.

[Brief description of drawings]

1 is a sectional view of an underground structure installed by the method of the present invention, FIG. 2 is a perspective view of the underground structure before being buried,
3 (A) to 3 (E) are schematic explanatory views sequentially showing the method of the present invention, FIG. 4 is a plan view of the bag deploying body used in the present invention, and FIG. 5 is another embodiment of the present invention. FIG. 10 ... Concrete underground structure, 16 ... Hole, 2
0, 20 '... Water-impervious bag, 20A, 20'A ... Bag expander, 22 ... Water-impervious belt-like sheet, 24 ... Impermeable layer, 26
...... Bag center surface, 28A, 28A ', 28B, 28B' ...
… Bag peripheral piece.

Claims (4)

[Claims] 1. A method of inserting a concrete underground structure into a hole dug underground and burying soil around the underground structure to install the concrete underground structure, wherein the concrete underground structure is Prior to inserting into the hole, the underground structure is covered in the underground hole at least several times so that the water-blocking sheet material is coated so as to overlap each other, and substantially the entire surface of the underground structure is covered with a water-barrier layer. A method of installing a concrete structure, which is characterized by covering with. 2. A method of inserting a concrete underground structure into a hole dug underground and burying soil around the underground structure to install the concrete underground structure, wherein the concrete underground structure is Before inserting it into the hole, lay a water-impervious bag expander that should cover the lower half of the underground structure at the bottom of the underground hole, and put the bag expander on the bottom and the lower half of the underground structure. Is attached so as to cover the lower half of the underground building by covering it with a water-impervious bag, and then cover the upper half of the underground building with a water-impermeable bag deployable body in the same manner. Fold so that it adheres to the upper surface and the peripheral surface of the upper half, cover the upper half of the underground structure with a water-proof bag, and then attach the upper and lower shields around the remaining exposed surface of the underground structure. Wrap a waterproof sheet so that it overlaps the water-based bag Installation of concrete structures, characterized in that wear to cover the underground building with water shield layer. 3. A method for inserting a concrete underground structure into a hole dug underground and burying soil around the underground structure to install the concrete underground structure, wherein the concrete underground structure is Before inserting it into the hole, lay a water-impervious bag expander that should cover the lower half of the underground structure at the bottom of the underground hole, and put the bag expander on the bottom and the lower half of the underground structure. Is attached so as to cover the lower half of the underground building by covering it with a water-impervious bag, and then cover the upper half of the underground building with a water-impermeable bag deployable body in the same manner. Fold so that it adheres to the upper surface of the underground structure and the peripheral surface of the upper half while overlapping the upper edge of the lower half of the water-impermeable bag so that the upper half of the underground structure surrounds the waterproof water bag. And the underground structure is covered with an impermeable layer. Installation of cleats made buildings. 4. A concrete underground structure should be used by being inserted into a hole dug underground and covered with soil around the underground structure to be installed. Water-impermeable bags, a plurality of bag central surfaces that cover the top or bottom of the underground structure, and a plurality of circumferentially-connected peripheral surfaces of the underground structure that are connected to the bag central surface Of the above-mentioned bag peripheral surface piece and a joint margin provided on the edge of any bag peripheral surface piece of the plurality of bag peripheral surface pieces, and a water-impervious bag expander for a concrete underground structure.