KR20220122344A - Structural improvement type rainwater storage facility - Google Patents

Abstract

The present invention relates to a structure improvement type rainwater storage facility, comprising: a panel arranged in a vertical direction; a connector having a plurality of protrusions protruding radially outward with respect to the core portion; and an inverted U-shaped spacer disposed at the lower end of the panel to build a storage structure in which a plurality of unit storage spaces are formed to be in fluid communication with each other by assembling and connecting, wherein the storage structure is able to resist the earth pressure applied from the outside It may include a truss arranged vertically across the interior of a plurality of unit storage spaces arranged along the periphery of the storage structure.

Description

{Rainwater storage facility with improved structure}

The present invention relates to a structure improvement type rainwater storage facility, and more particularly, to a rainwater storage facility with resistance to external force.

The increase in the area of the impervious land surface such as asphalt or concrete due to urbanization reduces the amount of water stored in the soil, causing flooding or dryness of the surrounding rivers, while also acting as a cause of water pollution of rivers and destruction of ecosystems.

If there is a river around the area where the impervious ground is formed, rainwater does not permeate into the soil and collects into the river at once during rainfall, which may cause overflow of the river. Because the amount of water contained in the subterranean soil is small or not at all, the phenomenon of water shortage in rivers may occur. If the amount of water in the river is insufficient, the natural purification ability of the river will be significantly weakened, and even a small amount of pollutants will lead to severe water quality deterioration.

On the other hand, various methods for recycling rainwater have been proposed according to the water shortage caused by the rapid change of the climate in recent years. A representative example of such a rainwater recycling method is a rainwater storage facility. As is widely known, rainwater storage facilities are large-scale storage tanks that collect rainwater when it rains and use it when necessary.

These rainwater storage facilities receive rainwater that has increased during rainfall, store it temporarily, and then release it gradually to prevent overflow of rivers or store the rainwater and pump it to the outside during dry season or other necessary conditions.

There are many different types of rainwater storage facilities for solving various problems caused by the increase of the road pavement rate and also for recycling rainwater.

As an example, the rainwater storage facility of Patent Document 1 is configured by assembling a plurality of box-shaped blocks vertically and horizontally and disclosing the contents of storing rainwater therein. As there are many fastening points, it has the disadvantage of being vulnerable to lateral loads as well as vertical loads. Even if each block is fixed as a fastening part, it lacks the rigidity to stably withstand the external load, and it is not possible to sufficiently control the deflection caused by creep over time.

In particular, it has a weak structure to lateral load, so it is vulnerable to earthquakes. Also, when installed in an area other than soft ground or flat land, it has a problem of easily deforming by yielding to the earth pressure continuously applied around it.

In addition, since each block is combined through a fastening part, the number of parts is large, so assembly is very cumbersome, and the time required for work is very long, so the construction period is that long. In addition, since the box-type block has a certain size as a hollow injection product, when a large number of blocks are stacked, the volume is very large and the transportability is not good.

Republic of Korea Patent Registration No. 10-0553085

The present invention was created to solve the above problems, and rainwater storage that can secure a plurality of unit storage spaces partitioned to be in mutual fluid communication with resistance ability to resist lateral and vertical loads applied to the structure The purpose is to provide facilities.

In order to achieve the above object, the structure improvement type rainwater storage facility according to an embodiment of the present invention is equipped with a storage structure that can store rainwater introduced from the outside, and a panel arranged in a vertical direction; a connector having a plurality of protrusions protruding radially outward with respect to the core portion; and an inverted U-shaped spacer disposed at the lower end of the panel to build a storage structure in which a plurality of unit storage spaces are formed to be in fluid communication with each other by assembling and connecting, wherein the storage structure is able to resist the earth pressure applied from the outside It may include a truss arranged vertically across the interior of a plurality of unit storage spaces arranged along the periphery of the storage structure.

In an embodiment of the present invention, the panel extends lengthwise in the width direction from both ends in the width direction, and a pair of first coupling supports spaced apart in the thickness direction of the panel; a locking protrusion provided at the end of the pair of first coupling supports; and a plurality of reinforcing ribs partitioning a plurality of channels along the width direction of the hollow interior.

In an embodiment of the present invention, the connector may form locking grooves on both sides of the protrusion.

In an embodiment of the present invention, the spacer includes a second coupling groove having a second locking protrusion on opposite sides thereof; It may be provided with a; panel receiving groove extending longitudinally in the width direction on the upper surface of the horizontal mounting table.

Preferably, the present invention makes the width length of the panel and the width length of the spacer to have the same size, so that the first coupling groove of the panel and the second coupling groove of the spacer are arranged in the same vertical line to insert and couple the protrusion of the connector configured to do so.

In addition, the present invention may further include a reinforcing cover formed in a shape to cover the upper end of the panel.

Optionally, the spacer may be fixed to the base plate by anchor bolts to the posts.

In addition, the present invention includes a base having a corresponding concave groove on one side that can accommodate a post; It may include a base plate integrally provided with side portions erected in the vertical direction along the shape of the corresponding concave groove.

The present invention can fix the upper part of the truss to the reinforcing cover disposed on the upper end of the panel while fixing the lower part of the truss to the floor surface by anchor bolts.

In particular, the present invention may further superimpose the horizontally arranged panels on the outer surface of the vertically arranged panels defining the perimeter of the perimeter of the storage structure.

The features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings.

Prior to this, the terms or words used in the present specification and claims should not be construed in a conventional and dictionary meaning, and the inventor may properly define the concept of the term to describe his invention in the best way. Based on the principle that there is, it should be interpreted as meaning and concept consistent with the technical idea of the present invention.

According to the description of the present invention above, the present invention can provide a rainwater storage facility having a structure that resists lateral load/vertical load due to external pressure such as earth pressure.

The present invention is configured to be able to secure robustness and stability as described above even by actively utilizing the lightweight member, and to significantly reduce the construction cost as well as the convenience of assembly and construction.

In addition, the present invention can improve water collection capacity and drainage capacity by partitioning a plurality of unit storage spaces in an excavated underground space to be fluidly communicated. To this end, the present invention can ensure smooth fluid flow to each unit storage space by providing a wide flow port in the lower portion of the unit storage space.

In addition, the present invention can guide a robot-type device that performs work on the floor of a rainwater storage facility by means of a wide flow port to each unit storage space, so that it remains on the floor of the rainwater storage facility or the side of the unit storage space It is possible to hygienically manage large rainwater storage facilities by effectively washing the sediment deposited on the top.

1 is an overall configuration diagram schematically showing a structure improvement type rainwater storage facility according to an embodiment of the present invention.
2 is a plan view illustrating a storage structure of a structure improvement type rainwater storage facility according to an embodiment of the present invention.
3 is a perspective view schematically illustrating a storage structure of the structure improvement type rainwater storage facility shown in FIG. 2 .
4 is a perspective view schematically illustrating a part of the storage structure shown in FIG. 3 .
FIG. 5 is a view for explaining the coupling relationship of each constituent member that partitions the unit storage space shown in FIG. 4 .
6 is a perspective view schematically illustrating a truss disposed in each unit storage space.
7 is an exploded perspective view schematically illustrating the base plate shown in FIG. 5 .
FIG. 8 is a view separately illustrating various types of connectors used in the storage structure shown in FIG. 3 .

The objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and embodiments taken in conjunction with the accompanying drawings. In the present specification, in adding reference numbers to the components of each drawing, it should be noted that only the same components are given the same number as possible even though they are indicated on different drawings. In addition, in describing the present invention, if it is determined that a detailed description of a related known technology may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. In this specification, terms such as first, second, etc. are used to distinguish one component from another component, and the component is not limited by the terms. In the accompanying drawings, some components are exaggerated, omitted, or schematically illustrated, and the size of each component does not fully reflect the actual size.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a view showing the overall structure of the structural improvement type rainwater storage facility according to an embodiment of the present invention, FIG. 2 is a plan view schematically showing the storage structure of the structural improvement type rainwater storage facility shown in FIG. .

The structural improvement type rainwater storage facility (hereinafter, the rainwater storage facility) according to an embodiment of the present invention is a storage facility that is installed in an underground space secured by excavating soil to store and selectively discharge rainwater, the panel 11 It includes a storage structure 1 having a plurality of unit storage spaces S assembled and connected by a panel) and a connector 12 and a spacer 13 (see FIG. 4 ).

As shown, the rainwater storage facility of the present invention is located on the inner floor of the underground space secured by excavating soil, for example, a base 21 providing a flat horizontal surface, and fluid communication on the upper part of the base 21. A storage structure (1) composed of a plurality of unit storage spaces (S), a cover plate (23) that bears the weight of the soil (22) covered on the above-mentioned storage structure, and a base (21) and a storage structure (1) ) and a wrapping sheet 24 surrounding the cover plate 23 , and has a structure including an inlet manhole 25 and an outlet manhole 26 on the outside of the storage structure.

The underground space described above is a space created through a separate excavation operation to collect and store rainwater, and the area of the underground space may vary depending on the case. Of course, it will be apparent to those skilled in the art that the larger the underground space, the more rainwater can be stored.

The base 21 is for supporting the storage structure 1 horizontally and vertically, and may be a sand or gravel layer formed by flatly compacting sand or gravel, or may be formed by pouring concrete in the form of a slab. Two or more or a combination of sand, gravel and concrete may be used if the ground is moist and soft. This base 21 provides a solid horizontal support surface.

The storage structure 1 receives and stores rainwater introduced through the inflow manhole 25 as a part wrapped in a wrapping sheet 24 in a state built inside the underground space. The storage structure 1 in this embodiment can form a hexagonal honeycomb shape by arranging a plurality of panels in a hexagon as shown in FIG. Storage space can be provided. The present invention is not limited thereto, and the storage structure may provide storage spaces having various cross-sectional shapes.

The cover plate 23 is a plate-shaped member having a certain thickness, which is horizontally disposed on the open upper part of the assembled storage structure 1 and receives the weight of the soil 22 covered thereon in the horizontal direction of the storage structure. distributed and transmitted If the cover plate 23 is not present, the wrapping sheet 24 may be torn due to the earth pressure.

In addition, the wrapping sheet 24 is a sheet-like member surrounding the storage structure 1 , the cover plate 23 , and the base 21 . In the embodiment of the present invention, the lapping sheet 24 may use a permeable sheet that transmits water, and alternatively, a water-repellent sheet that does not pass water may be applied.

In the present invention, whether to use the penetration-type wrapping sheet or the waterproof wrapping sheet may be determined according to the situation of the construction site or various other conditions. Since the penetration-type lapping sheet has a property of allowing water to pass through, rainwater flowing into the storage structure 1 can be gradually discharged to the outside of the storage structure 1, so it prevents flooding of the surrounding area during a flood. important functions can be achieved. The waterproof lapping sheet keeps the water stored in the storage structure 1 intact by the property of the sheet that does not pass water, so that rainwater is maintained for a long time. In the case of applying the waterproof wrapping sheet, another important function of the rainwater storage facility is achieved, that is, reuse of rainwater. For reference, the outflow manhole 26 for pumping the stored rainwater to an external required place may be installed in the storage structure to which the order-type lapping sheet is applied.

Although the wrapping sheet 24 is disposed under the base 21 in the embodiment of the present invention, the wrapping sheet 24 may be positioned between the base 21 and the storage structure 1 depending on conditions. For example, when the base 21 is made of gravel, sand, or a mixture thereof, the wrapping sheet 24 may be disposed on the base 21 .

On the other hand, the inlet manhole 25 is a space disposed on one side of the storage structure 1, receives rainwater during rain, and sends the received rainwater to the storage structure 1 through the connection pipe 25b. Reference numeral 25a denotes a cover for covering the inner space of the inlet manhole 13 .

In some cases, the inlet manhole 25 may be installed in the unit storage space S of the storage structure.

In addition, the outflow manhole 26 is a space secured on the other side of the storage structure 1, and accommodates the pump 26a, the drain pipe 26b, and the control device (not shown) therein. The pump 26a pulls up the rainwater R stored in each unit storage space S of the storage structure 1 and pumps it to an external required location through the drainage pipe 26b.

Of course, the outflow manhole 26 is also covered by the cover 26c. Similar to the inlet manhole 25, the outlet manhole 26 may also be installed in a unit storage space of the storage structure.

3 to 5, the rainwater storage facility according to the present invention is assembled and connected to expand the panel 11 and the connector 12 in all directions to form a polygonal cross-section, for example, a plurality of units partitioned in the form of a square cross-section, a hexagonal cross-section. It can be arranged in a honeycomb structure by extending the storage space (S).

In addition, according to the present invention, a wide flow port 133 can be provided at the lower side of the unit storage space S by the spacer 13 disposed at the lower end of the panel 11 , specifically, the inner region A of FIG. 2 . A spacer may be disposed on the unit storage space located within and/or on the wall of the unit storage space adjacent to the interior area.

As shown, the panel 11 has a hollow plate-like structure, and has first coupling grooves 111 at both ends in the width direction. Incidentally, the present invention defines the first coupling groove 111 with a pair of first coupling supports 111a extending longitudinally in the width direction from both ends of the panel in the width direction, and the pair of first coupling supports 111a is the panel are spaced apart parallel to each other in the thickness direction and provided with a locking protrusion (111b) at the end of each coupling support.

In addition, the hollow panel 11 arranges a plurality of reinforcing ribs 112 dividing a plurality of channels along the width direction of the hollow inside, thereby reducing the manufacturing cost and weight of the panel and without bending or twisting due to external force. rigidity can be provided.

The connector 12 consists of a hollow core portion 121 having a plurality, preferably three, projections 121a extending vertically and projecting radially outward. The connector 12 may be formed in a Y-shape with an inner angle between each protrusion of 120°.

The connector can not only cushion and disperse external shocks by the hollow core part, but also realize weight reduction of the connector. Optionally, the panel and the connector may be manufactured by extruding a synthetic resin material such as PVC to have a constant cross-sectional shape along the longitudinal direction.

As shown, locking grooves 121b are formed on both sides of each protrusion 121a. The locking groove 121b accommodates the locking protrusion 111b of the above-described panel and is inserted so that the connector and the panel are aligned in the vertical direction so as not to be separated in the horizontal direction (ie, the width direction).

According to the shape of the unit storage space in the storage structure, the present invention may be constructed with a plurality of connectors (see FIG. 8 ).

In the present invention, an inverted U-shaped spacer 13 is disposed at the lower end of the panel 11 . The spacer 13 is composed of a pair of posts 13a spaced apart from each other in the width direction, and a horizontal mounting base 13b disposed between the upper ends of the pair of posts 13a, the second formed in the vertical direction on the outer surface of the posts. A coupling groove 131 and a panel accommodating groove 132 extending longitudinally in the width direction is provided on the upper surface of the horizontal mounting table. The spacer 13 provides a wide flow port 133 formed by being surrounded by a pair of posts 13a and the horizontal mounting base 13b. Of course, the flow port 133 may be used as a movement path for rainwater, a robot type device, and the like.

The spacer 13 accommodates the lower end of the panel 11 in the panel accommodating groove 132 to support the panel by being spaced apart at a predetermined height on the inner floor or base of the underground space. Since the spacer has a thickness greater than the thickness of the panel so that the lower end of the panel can be fitted into the panel receiving groove formed in the width direction of the horizontal mounting base 13b, the spacer can more reliably hold the lower part of the panel through the spacer. can hold support.

In addition, each of the second coupling grooves 131 may be provided with locking projections opposite to each other on both sides to correspond to the locking projections 111b.

Preferably, in the present invention, the first coupling groove 111 of the panel 11 and the second coupling groove 131 of the spacer 13 are arranged in the same line to form the protrusion 121a of the connector 12 in the vertical direction. can be easily inserted in the vertical direction. To this end, according to the present invention, the width and length of the panel 11 to be assembled in the vertical direction and the width of the spacer 13 are formed to have the same size to ensure fastening with the connector. In addition, the vertical length of the connector is equal to the height under the assembled state of the panel and the spacer, so that the upper end of the connector and the upper end of the panel can be arranged at the same level.

By combining these configurations, the present invention provides a projection (121b) of the connector (12) in the direction of forming the coupling grooves (111,131) provided at both ends of the wall in which the panel (11) and the spacer (13) are assembled and arranged in a vertical line. By inserting and placing adjacent panels and connectors by slide-down, it can be formed into a single structure by dividing the unit storage space (S) with a plurality of panels and expanding in all directions.

As is well known to those skilled in the art, the present invention can arrange the spacer 13 only in a unit storage space disposed in the inner region of the storage structure 1 . That is, the outer part of the storage structure 1 refers to an outer wall that is assembled with only the side connectors 12', 12", 12", and the panel 11 and finished with a square structure as shown without a flow port.

In addition, according to the present invention, it is possible to reinforce the outer portion of the storage structure by arranging the panel 11 ′ in the horizontal direction outside the outer portion of the storage structure 1 . As shown in FIGS. 2 and 3 , the storage structure may reinforce the lower portion of the outer portion by horizontally overlapping the panels 11 ′ along the lower periphery of the outer portion that is greatly affected by earth pressure. In practice, the outer portion of the storage structure provides a double wall structure by joining the horizontally arranged panels 11' to the outer surface of the vertically arranged panels 11, which are reinforcing ribs disposed inside the panels 11. and the reinforcing ribs disposed inside the panel 11' are arranged in mutually orthogonal directions, so that more effective rigidity can be expected.

Preferably, as shown in FIG. 5, the rainwater storage facility according to an embodiment of the present invention continuously maintains the shape of each unit storage space (S) to improve durability by vertically standing panels (11) A reinforcing cover 14 is further placed on the upper end of the The reinforcing cover 14 is arranged in the width direction of the upper end of the panel 11, and may be formed in an inverted U-shaped cross-sectional shape to be overlaid on the upper end in an interference fit manner. The reinforcing cover 14 has a length equal to or smaller than the distance between the two connectors 12 assembled to both ends of the panel so as to be easily fitted to the upper end of each panel. In addition, the reinforcing cover 14 may close the open upper portions of the plurality of channels partitioned in the panel and at the same time prevent damage to the exterior due to external force. Optionally, the reinforcing cover 14 may be made of steel.

In addition, the present invention may further include a closing cover 14' of an inverted U-shaped cross-sectional shape to cover the upper end of the panel partitioning the plurality of unit storage spaces in an interference fit manner. More specifically, the finish cover 14 ′ closes the open tops of the plurality of channels partitioned in the panel, while being made of an elastic material, such as a rubber material, to provide abrasion resistance and frictional force, for example, to improve the bearing capacity with the cover plate. have.

In addition, the finishing cover 14' can be mounted on the upper end of the panel located in the inner region A of the storage structure shown in FIG.

Additionally, the present invention includes a base plate 15 for fixing the posts 13a of the spacers 13 on the inner floor or base of the underground space by anchor bolts. The base plate 15 is formed in a shape that can be wrapped around the periphery of the outer circumference of the post, and the structure of the base plate will be described later in detail with reference to FIG. 7 .

6 is a perspective view schematically showing the truss 16 to be disposed in each unit storage space (S). The truss 16 is made of steel, and may be disposed in the storage structure, that is, the unit storage space S with the same length as the height of the unit storage space (see FIG. 6(a) ).

Preferably, the truss 16 is arranged around the edge of the storage structure, that is, along the inner circumference of the outer periphery of the storage structure, so as to resist the earth pressure applied from the outside of the storage structure 1 in the unit storage space S. can be arranged in a vertical direction. In other words, since the truss is inserted only in the unit storage space located outside the inner area (A; shown in FIG. 2) of the storage structure 1, the robot-type device is inserted into the inner area of the storage space through each flow port. It can be driven smoothly with a unit storage space.

In the present invention, a truss is disposed in a vertical direction across the inside of the unit storage space S, and the upper portion of the truss 16 is fixed to the reinforcing cover 14 seated on the upper end of the panel 11, for example by welding. In this case, the lower part of the truss 16 may be fixed in position on the inner floor or base of the underground space by anchor bolts.

In addition, the truss 16 may form a bent portion 16a in the lower portion of one side thereof, as shown in FIG. 6(b). The bent portion 16a can accommodate the thickness step between the panel 11 and the spacer 13 at the lower portion of the unit storage space, thereby reducing the gap between the truss and the unit storage space, so that it can be arranged more closely. Accordingly, the present invention may be disposed between the panels facing each other in the unit storage space S formed in the honeycomb structure, and alternatively, may be disposed between a pair of corresponding angles facing each other in the unit storage space of the honeycomb structure.

7 is an exploded perspective view schematically showing a base plate to be disposed around a post of a spacer, in a vertical direction along the shape of a base portion 15a having a corresponding concave groove (no reference number) on one side and the corresponding concave groove. The side portion 15b is integrally provided. The corresponding concave groove of the base plate is formed in a concave shape from one edge of the base to the center, and preferably may be formed to correspond to the shape of the lower outer surface of the post.

Accordingly, the base plate 15 supports the remaining three surfaces of the posts 13a except for the other side on which the second coupling grooves are disposed in close contact with the side portions 15b to help fix the position of the spacer. In particular, the base plate is designed so as not to support the bottom surface of the post, so it can be easily attached to the circumference of the outer circumference of the post, and the spacer can be fixed with an anchor bolt fixed to the sea surface regardless of the flatness of the bottom surface. In addition, it helps to enable assembly between the connector and the panel.

8 shows a plurality of connectors (12, 12', 12", 12"') can be used as a means to install a plate-shaped panel in various patterns on the inner floor of the underground space.

8(a) shows a connector protruding radially outward at an angle of 120° with three protrusions 121a centered on the hollow core 121 so that a plurality of panels in a honeycomb structure can be installed upright in a hexagonal shape. It is a cross-sectional view schematically showing (12).

On the other hand, the side connectors 12', 12", 12"' are disposed on the outer part of the storage structure 1 constructed only with the connector 12, so that the edge of the storage structure 1 is finished with an outer wall in a square structure. can

For reference, FIG. 8(b) is a cross-sectional view schematically showing one side connector 12', in which two protrusions 121a are arranged in a straight line with respect to the hollow core part 121, and the rest One protrusion (121a) is disposed to have an angle between the straight line and 60°.

The other side connector 12" shown in FIG. 8(c) has two protrusions oriented in a straight line with the hollow core part 121 as the center, and the other two protrusions 121a are aligned at 30°. Arrange them symmetrically to have an angle between them.

Another side connector 12"' arranges two protrusions 121a at a right angle at an angle of 90° around the core part 121 as shown in FIG. 8(d), and the remaining one protrusion is arranged so as to have an angle between the two protrusions arranged at right angles to one protrusion of 30°.

The present invention can close the four outer walls of the storage structure by, for example, closing the plurality of panels 11 with the four outer walls of the low-scale structure by means of the side connectors 12' and 12", and the side connectors 12"' ) can be used to close each corner of the storage structure. In addition, the present invention has the advantage that the outer wall of the storage structure and the unit storage space can be built with the same panel 11 having the same cross-sectional size and shape using the above-described multiple types of side connectors.

As described above, the present invention secures an underground space by excavating soil in an area where rainwater storage facilities can be buried, and then installs a flat and solid base on the floor of the underground space. The worker constructs the storage structure on the base, and assembles the outer wall of one side of the storage structure using the side connector and the panel, and applies the panel to each protrusion protruding toward the inner area at a predetermined angle from the side connector in a preset pattern shape, For example, the unit storage space is built to expand in all directions while assembling and connecting in a hexagonal shape. Before each unit storage space is closed, it is possible to fix the position of the constituent members such as a truss to be disposed inside the unit storage space.

The present invention has been described in detail through examples, but this is for explaining the present invention in detail, and the structure improvement type rainwater storage facility according to the present invention is not limited thereto, and within the technical spirit of the present invention, it is common in the field. It will be clear that the transformation or improvement is possible by those who have the knowledge of

All simple modifications or changes of the present invention fall within the scope of the present invention, and the specific scope of protection of the present invention will be made clear by the appended claims.

1 ----- storage structures,
11 ----- panel,
12 ----- connector,
13 ----- spacer,
14 ----- reinforcing cover,
14' ----- finish cover,
15 ----- base plate,
16 ----- Truss,
S ----- unit storage space.

Claims (10)

In a rainwater storage facility equipped with a storage structure that can store rainwater introduced from the outside,
The storage structure (1),
a panel 11 arranged in a vertical direction provided with first coupling grooves 111 formed in a vertical direction at both ends in the width direction;
a connector 12 having a plurality of protrusions 121a protruding radially outward with respect to the core portion 121; and
A pair of posts (13a) spaced apart in the width direction and each having a second coupling groove (131) in the vertical direction, a horizontal seat (13b) connecting the upper ends of the pair of posts, and the pair of posts and the A plurality of unit storage spaces (S) can be in fluid communication with each other by assembling and connecting; having a wide flow port (133) defined by a horizontal seat and an inverted U-shaped spacer (13) disposed at the lower end of the panel (11) to form,
Here, the storage structure 1 is a truss 16 disposed vertically across the inside of the unit storage space S arranged along the periphery of the edge of the storage structure to resist the earth pressure applied from the outside. Structural improvement type rainwater storage facility, characterized in that it is provided.
The method according to claim 1,
The panel 11,
a pair of first coupling supports (111a) extending lengthwise in the width direction from both ends in the width direction and spaced apart from each other in the thickness direction of the panel;
a locking protrusion (111b) provided at an end of the pair of first coupling supports (111a); and
Structural improvement type rainwater storage facility comprising;
The method according to claim 1,
The connector 12 is a structure improvement type rainwater storage facility, characterized in that forming a locking groove (121b) on both sides of the protrusion (121a).
The method according to claim 1,
The spacer (13) is a structural improvement type rainwater storage facility, characterized in that provided with a; panel receiving groove (132) extending lengthwise in the width direction on the upper surface of the horizontal mounting base (13b).
The method according to claim 1,
The width and length of the panel 11 have the same size as the width and length of the spacer 13,
The first coupling groove 111 of the panel 11 and the second coupling groove 131 of the spacer 13 are arranged on the same line to insert and couple the protrusion 121a of the connector 12 Structural improvement type rainwater storage facility.
The method according to claim 1,
The panel (11) is a structural improvement type rainwater storage facility, characterized in that arranging a reinforcing cover (14) formed in a shape that can cover the upper end.
The method according to claim 1,
The spacer (13) is a structural improvement type rainwater storage facility, characterized in that the base plate (15) is fixed to the bottom surface by the anchor bolts (13a).
8. The method of claim 7,
The base plate 15,
a base portion (15a) having a corresponding concave groove on one side for accommodating the post;
Structural improvement type rainwater storage facility, characterized in that integrally provided with a side portion (15b) erected in the vertical direction along the shape of the corresponding concave groove.
The method according to claim 1,
The upper portion of the truss 16 is fixed in position on a reinforcing cover disposed on the upper end of the panel,
The lower part of the truss (16) is a structural improvement type rainwater storage facility, characterized in that it is fixed to the floor surface by an anchor bolt.
The method according to claim 1,
The storage structure (1) is characterized in that the horizontally arranged panels (11') are further overlapped on the outer surface of the vertically arranged panels (11) defining the circumference of the outer portion of the storage structure. Structural improvement type rainwater storage facility.

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