JP2001064988A - Underground structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a new underground excavation structure for constructing in underground a structure such as a storage tank and a storing pond for storing the liquid-like body of emergency water, irrigation water and the other. SOLUTION: A spacer unit A provided with a cylindrical body part 2 with a bottom provided integrally vertically on the base face of a bed rock part is sequentially piled up in an underground empty place B from the bottom face side. Concrete for giving weight is placed in the cylindrical body part 2 in the spacer unit, and the upper face closing member C of the underground empty place B is supported by the piled-up spacer unit A.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to emergency water, irrigation water,
The present invention relates to an underground excavation structure for constructing structures such as storage tanks, storage ponds, and storage dams for storing other liquid materials underground.

[0002]

2. Description of the Related Art Conventionally, a structure for storing emergency water, irrigation water, and other liquids underground has a column and a beam for supporting the upper surface closing member because the upper surface is closed and concealed. Etc. had to be built inside. Furthermore,
If necessary, it was necessary to provide reinforcing means to prevent the four peripheral walls from collapsing.

[0003]

In the case of the above-mentioned conventional underground structure, since a large number of columns and beams are formed, the construction work involves assembling a concrete formwork and a formwork after the concrete is solidified. This involves extremely complicated operations such as the removal of the steel and the finishing process for the pillars and beams after the formation, so that the construction cost inevitably rises and the construction period is prolonged.

[0004] The present invention aims to provide a new underground construction that solves such a problem.

[0005]

SUMMARY OF THE INVENTION According to the present invention, there is provided a spacer having a bottomed cylindrical body portion 2 which is integrally suspended from a board surface of a base portion 1 in a basement space B having a required size. Unit A,
The spacer unit is sequentially stacked, and concrete for imparting weight is poured into the cylindrical body portion 2 of the spacer unit, and the upper surface of the basement space B is formed by the stacked spacer unit A. The present invention relates to an underground structure configured to support the closing member C.

[0006] The present invention is based on the adoption of the above-described configuration, and eliminates the need for forming beams and columns, thereby solving the above-mentioned problems.

[0007]

[Function] By stacking spacer units in which concrete is poured into the cylindrical body in the underground space B,
The internal reinforcement is achieved, and the purpose of supporting the closing member C on the upper surface is achieved. At the same time, a liquid storage space is secured based on the loading of the spacer units.
Therefore, such underground structures are intended to be used as structures for storing emergency water, irrigation water, and other liquids underground.

[0008]

1 to 4 show a first embodiment of the present invention. In FIGS. 1 and 2, A is a spacer unit, which comprises a base 1 having a net frame shape and a bottomed cylindrical body 2 which is integrally suspended from the board of the base 1. is there.

As shown in FIG. 3, the spacer units A are connected in the front, rear, left, right, and up and down directions to form a space forming structure U. The formed space forming construct U has a form in which a large number of spaces communicating with each other are formed by the cylindrical body portion 2 functioning as a spacer column and being partitioned by the base portion 1 so as to be vertically communicable. Will be exhibited.

[0010] Then, concrete 3 is poured into each of the cylindrical portions 2 sequentially from the lower one, and based on the solidification of the concrete, each spacer unit is configured to have a required weight. is there. That is, each spacer unit A is maintained in a stable receiving and stacking state without floating in the liquid based on the weight imparting.

FIG. 4 shows the whole underground building according to the present invention. B is an underground space having a required size, and the bottom surface and the four peripheral wall surfaces thereof are configured based on concrete or the like so as to prevent leakage of the stored liquid. In other words, the underground space B is a storage tank, a storage pond,
It is designed to function as an underground storage section for a storage dam or the like.

In the above-mentioned underground space B, a space forming structure U formed by connecting the above-described spacer units A in front, rear, left, right, and up and down directions is housed. By laying the closing member C on the upper surface, the whole is concealed underground. Accordingly, the upper surface of the closing member C is configured to be used as a site.

In the above-described installation of the spacer unit A, concrete 3 is poured into the cylindrical body 1 of each spacer unit located at the lowest position, and the upper surface of the poured concrete 3 is shown in FIG. As shown in the drawing, the spacer hot water unit of the next stage is covered with the lid-like cover 4 and the next-stage spacer hot water unit is placed on the lid-like cover 4 by adopting a loading method such that the lower side concrete does not wait for the concrete to solidify. Loading of spacer units is allowed. Thus, the configuration is such that the working time can be reduced.

By the way, in the embodiment shown in FIG.
It is configured such that the spacer units A are stacked and accommodated in the entire underground space B. However, the spacer unit A is for achieving the purpose of supporting the closing member C. Therefore, for example, even when the spacer unit A is stacked only at the four corners and the central portion of the underground space B, the spacer unit A is stacked. good. In other words, the spacer unit A may be configured to provide reduced local support so as not to impair stable support for the closing member C.

Although the spacer units located at the front, rear, left and right are connected to each other, in the illustrated embodiment, the connecting tool 5 shown in FIG. 1 is used, that is, the spacers are vertically provided at the four lower corners of the connecting plate 5a. By connecting the connecting projections 5b to the corners of the base 1 in the four spacer units aligned in the horizontal direction, the square spacer units can be interconnected. is there.

By the way, the aforementioned spacer unit A
However, at the time of storage or transportation, etc., by fitting the cylindrical portion of the upper spacer unit to the cylindrical portion 2 of the lower spacer unit, The cylindrical portion 2 is configured to have a tapered cylindrical shape so that stacking in a dense state is enabled. Therefore, bulkiness during transportation or storage is minimized.

The spacer unit A is configured so as to form four cylindrical portions 2 symmetrically with respect to the center. The arrangement and the number of the cylindrical portions 2 are as shown in FIG. It is not limited to the embodiment. That is, the number of the cylindrical body portion 2 can be one or an appropriate number.

Further, the form of the cylindrical body 2 is not limited to the truncated conical shape as shown in the figure, but it is preferable that the form can be stacked in a dense state as described above. A cylindrical body having an arbitrary cross-sectional shape such as a polygon or an ellipse may be used as long as it can be stacked.

Further, the plane shape of the base portion 1 can be any shape such as a circle, an ellipse, and a polygon other than the square shape as shown in the figure. In other words, the planar shape of the base 1 may be any shape that enables continuous combination on the same plane.

FIGS. 5 to 7 show a second embodiment of the present invention. That is, an example in which the form of the cylindrical body portion of the spacer unit A is formed in a double cylindrical shape is shown.

This is because, as shown in FIG. 8, the shape of the cylindrical body 12 vertically extending from the base 11 is folded back from the lower edge into the outer cylindrical body 12a having a tapered conical cylindrical shape. It has a form in which an inner cylindrical body 12b having an upwardly tapered conical cylindrical shape is integrated and rises at the same height. Accordingly, the cylindrical body portion 12 has a double structure, and the resistance to the compressive force is significantly increased. In this case, it is preferable to make a hole for removing appropriate water or air on the top surface of the inner cylindrical body 12b. The hole may be formed by drilling a plurality of small holes, instead of drilling a circular hole at the center as shown in the figure.

The outer cylinder 12a and the inner cylinder 12b
As shown in FIG. 8, the upper spacer is disposed between the outer cylindrical body 12a and the inner cylindrical body 12b of the cylindrical body portion 12 in the lower spacer unit, as shown in FIG. The cylindrical portion 12 of the unit fits snugly, thereby minimizing bulkiness during transportation or storage of the spacer unit A.

Further, the above-mentioned spacer unit includes an outer cylindrical body 12a and an inner cylindrical body 12b in the cylindrical body portion 12.
Each spacer unit is configured so as to have a required weight by being poured into the concrete 13 between them (see FIG. 9).

FIGS. 9 and 10 show the spacer unit A.
Are means for stacking. That is, as shown in FIG. 9 and FIG.
Ring-shaped cap portion 1 to be fitted to the upper edge of 2b
A connecting projection 14b for fitting into the lower edge of the upper inner cylindrical body 12b is continuously provided on the outer periphery of 4a.
This embodiment shows an example in which a connection cover lid 14 formed integrally with a cover flange-like portion 14c for covering a lower side cast concrete is provided on an outer peripheral portion thereof.

By adopting such a configuration, it is possible to place the upper spacer unit before the cast concrete on the lower side dries, and to use both upper and lower spacers by the connecting projections 14b. Stable connection between the cylindrical portions of the units is achieved.

FIG. 11 shows an embodiment in which a connecting member 15 for connecting the upper and lower spacer units between their cylindrical portions is used. That is, the coupling tool 15 has a cap-shaped recess 15a formed on the lower surface for fitting to the lower edge of the upper end on the lower side, and the entire outer peripheral surface is formed on the lower edge of the inner cylindrical body 12b on the upper side. It is configured to have an external shape such as a plug-like body 15b for fitting.

By attaching the connecting member 15 as shown in FIG. 11, the lower end of the cylindrical portion of the upper spacer unit is flush with the upper end of the cylindrical portion of the lower spacer unit. Connection is achieved. This allows the upper spacer units to be stacked without contacting the concrete poured into the lower spacer units. That is, by using the connecting tool 15, the spacer units are stacked up irrespective of the solidification of the poured concrete. In addition, in the said connection tool 15,
It is preferable to make a hole corresponding to the water or air vent hole provided in the inner cylinder 12b.

According to the present invention, the spacer unit A in which concrete is poured into the cylindrical portion is stacked in the underground space B to reinforce the inside thereof and to achieve the purpose of supporting the closing member C on the upper surface. It is characterized by having such a configuration.

According to this, the underground space B can be provided with a sufficient liquid accommodating space, and at the same time, an underground building can be provided which can provide reinforcement.

By the way, concrete is poured into each of the spacer units A sequentially from the lower one, and after this is completed, the upper ones are sequentially stacked. In this case, if an operation mode in which the lower-stage cast concrete is solidified and the next-stage spacer unit is stacked is adopted, the operation process becomes extremely inefficient.

For this purpose, in the present invention, means for covering the poured concrete surface so as not to hinder the stacking of the upper spacer unit (FIG. 3, FIG. 9 and FIG. 10). It is preferable to adopt a means (means shown in FIG. 11) or a means (stacking means shown in FIG. 11) in which the upper spacer units are stacked without coming into contact with the lower concrete poured.

[0032]

According to the present invention, a structure as described in claim 1 is provided.
That is, in a basement space B having a required area, the spacer units A each having the bottomed cylindrical body portion 2 which is integrally suspended from the board surface of the base portion 1 are sequentially stacked from the bottom side thereof. The spacer unit A is formed by pouring concrete for imparting weight into the cylindrical body portion 2 of the spacer unit, and supports the upper surface closing member C of the basement space B by the stacked spacer unit A. Thus, a stable and reliable support purpose for the upper surface closing member C used as a ground site is achieved.

Therefore, assembling a mold based on concrete molding of the pillars and upholstery members, which occurs when a large number of pillars and beams are formed in the conventional manner so as to achieve the purpose of supporting the upper surface closing member C. In addition, problems such as the complicated work of executing the next process after the concrete is removed and the solidification of the concrete, and the prolonged completion of construction are completely eliminated.

According to the present invention, as a spacer unit A, as a spacer unit A, a lower conical outer cylindrical body 12a is formed on the board surface of the base portion 11 from the lower edge. By using a spacer unit formed by vertically suspending a cylindrical body portion 12 having a form in which an inner cylindrical body 12b having an upper tapered conical cylindrical shape so as to be folded and integrally rising to an equal height is used. The strength of the cylindrical portion 12 based on the double cylinder is improved. And, despite such a double cylinder, fitting stacking during storage is allowed.

According to the present invention, there is provided a construction as set forth in claim 3, that is, a necessary protective means for preventing the poured concrete surface from being affected by the stacking of the upper spacer unit. The provision allows the spacer units to be stacked without waiting for the concrete to solidify. Therefore, the construction period can be shortened.

According to the present invention, the protection against the poured concrete can be achieved very simply by providing a structure as described in claim 4, that is, by providing a covering means for covering the surface of the poured concrete.

The present invention is configured as described in claim 5, that is, the upper inner cylindrical body is attached to the outer periphery of the ring-shaped cap portion 14a to be fitted to the upper edge of the lower inner cylindrical body 11b. A connecting projection 14b for fitting into the lower edge of the lower end 11b is continuously provided, and an outer peripheral portion thereof is provided with a covering flange-like portion 1 for covering the lower side cast concrete.
By using the connecting cover lid 14 formed integrally with 4c, protection against the poured concrete and at the same time,
The upper and lower spacer units are connected to each other. Therefore, the stacking of the spacer units is performed while maintaining remarkable stability.

According to the present invention, there is provided a connecting member 15 for connecting the upper and lower spacer units between the cylindrical portions thereof, wherein the connecting member 15 is A cap-shaped recess 15a for fitting to the upper edge of the lower inner cylinder 11b is formed on the lower surface, and the entire outer peripheral surface is fitted to the lower edge of the upper inner cylinder 11b. The outer shape of each of the spacer units can be achieved in a non-contact state with the poured concrete, and the upper and lower spacer units can be mutually connected. Connection is achieved. Therefore, the purpose of protecting the poured concrete and the purpose of remarkably stabilizing the spacer unit are simultaneously achieved.

[Brief description of the drawings]

FIG. 1 is a perspective view of a spacer unit as a gist member of the present invention.

FIG. 2 is a sectional view taken along line XX in FIG.

FIG. 3 is a cross-sectional view illustrating a state in which spacer units are stacked.

FIG. 4 is a sectional view showing the entire underground building according to the present invention.

FIG. 5 is a perspective view showing an upper surface portion of a spacer unit according to a second embodiment of the present invention.

FIG. 6 is a perspective view illustrating a lower surface portion of a spacer unit according to a second embodiment of the present invention.

FIG. 7 is a sectional view taken along line YY in FIG.

FIG. 8 is a cross-sectional view illustrating a stacked state of a spacer unit according to a second embodiment of the present invention during storage.

FIG. 9 is a cross-sectional view of a main part in a state where the spacer units are vertically connected using the cover lid for connection 14;

FIG. 10 is a partially cutaway oblique view of the connection cover lid 14;

FIG. 11 is a cross-sectional view of a main part in a state where a spacer unit is vertically connected using a connecting tool 15;

[Explanation of symbols]

 Reference Signs List A Spacer unit 1 Base part 2 Cylindrical part 3 Cast concrete U Building for space formation B Underground space C Closure member 4 Lid-like cover 5 Connecting tool 5a Connecting plate 5b Connecting projection 11 Base part 12 Cylindrical part 12a Outer cylinder Body 12b Inner cylindrical body 13 Concrete 14 Cover lid for connection 14a Ring cap 14b Projection for connection 14c Flange for cover 15 Connector 15a Cap-shaped recess 15b Plug-shaped body

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kosaburo Hayashi 1-10-15 Kanazawacho, Hitachi City, Ibaraki Prefecture F-term (reference) 2D047 AA06 AB02 3E070 AA13 AB02 DA03 JB02 JC10 KA11 KB02 KC10 PA20

Claims (6)

[Claims] 1. A spacer unit (2) having a bottomed cylindrical body (2) integrally suspended from a board of a base (1) in a basement (B) having a required size. A) are sequentially stacked from the bottom side thereof, and concrete for imparting weight is poured into the cylindrical portion (2) of the spacer unit, and the stacked spacer unit (A) is used. , The underground space (B)
An underground structure configured to support the upper surface closing member (C). 2. A spacer unit (A) having an upper tapered shape so as to be folded from a lower edge inside an outer cylindrical body (12a) having a lower tapered conical cylindrical shape on a board surface of a base (11). 2. A basement according to claim 1, wherein a spacer unit is provided by vertically suspending a cylindrical body (12) having a form in which an inner cylindrical body (12b) having a conical cylindrical shape is integrally raised at an equal height. Construct. 3. A concrete protection device according to claim 1, wherein said concrete surface is provided with a necessary protection means so as not to affect the poured concrete surface due to the stacking of the upper spacer unit. Underground structure. 4. The underground building according to claim 3, further comprising a covering means for covering a surface of the poured concrete. 5. A lower end inner cylindrical body (11b) fitted to an upper end edge of a ring-shaped cap portion (14a) to be fitted to an upper end edge of the lower inner cylindrical body (11b). The connecting cover (14b) for connecting the connecting flanges (14b) is formed continuously, and the connecting flange (14c) for covering the lower side cast concrete is integrally formed on the outer periphery of the connecting protrusion (14b). The underground structure according to claim 4, wherein 14) is used. 6. A connecting tool (15) for connecting the upper and lower spacer units between respective cylindrical portions thereof, the connecting device (15) being a lower inner cylinder (6). 1
1b) a cap-shaped recess (1
5a) is formed on the lower surface, and the entire outer peripheral surface is formed into an external shape such as a plug-like body (15b) for fitting into the lower edge of the upper inner cylinder (11b). The underground structure according to claim 3, wherein