JP3143652B2 - Temporary storage tank for rainwater, etc. - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temporary storage tank for rainwater or the like for preventing damage caused by water such as heavy rain that has temporarily fallen on the ground, shoulders, road walls, lowlands, and the like.

[0002]

2. Description of the Related Art Conventionally, when a road is constructed, as shown in FIG. 13, an embankment 20 is formed by embankment on a lower ground 18 and an asphalt 21 or the like is laid on the upper surface thereof. Is going. In this case, an impermeable sheet 28 is inserted inside the sloped surface 27 of the embankment ground 20 substantially in parallel with the sloped surface 27 so that rainwater or the like entering from the sloped surface 27 does not penetrate deeply into the embankment ground 20. ing. Rainwater or the like that has passed through the embankment 20 or the surface of the impermeable sheet 28 is collected in a drain 29 provided on a lower side surface of the embankment 20, and is drained to sewage or a river. For example, as shown in FIG. 14, a lightweight and pressure-resistant foamed synthetic resin body 19 is placed on the lower ground 18 in order to prevent consolidation settlement and slippage of the lower ground 18 due to embankment.
After preventing the separation or the like of the foamed synthetic resin body 19 laminated thereon by covering the surface member 30 as necessary,
The embankment is formed to form the embankment 20, and the road is laid by paving. Also, on the sidewalks and roads, a slope is formed on the surface to treat rainwater that has fallen on the surface, and a drainage ditch and drainage port are provided below the slope, so that drainage is smooth without rainwater etc. To avoid disturbing traffic.

[0003]

However, FIG.
When the impervious sheet 28 is used as described above, rainwater or the like that has entered from the upper surface of
There is a problem that the embankment 31 penetrates into the embankment 20 on the back side of the base material and forms a puddle 31, which ruptures abruptly, the inclined surface 27 collapses, and the embankment 20 collapses as shown in A.
In the case of using the foamed synthetic resin molded body 19, in the example of FIG. 14, rain or the like that has fallen on the road flows toward the shoulder of the road, enters the embankment ground 20 as it is, and falls. As shown in A, since the water flows down along the member 30, there is a problem that the embankment 20 is damaged, or that the water passage space is formed is crushed and a recess is formed on the surface of the embankment 20. There is.

[0004] In addition, even when the water is treated by a drainage ditch or a drain, when heavy rain temporarily falls such as in the evening, the rainwater exceeds the treatment capacity and the surface of the sidewalk or the road is exposed to rainwater. It has overflowed and has become a hindrance to cars and people. This is due to the fact that the catchment ditch, drainage outlet, etc. are designed to be as economical as possible on average or slightly more rain than average, and that the space can be used effectively. It is difficult to sacrifice economical efficiency, effective use of space, etc. by changing such design philosophy drastically in order to process temporary objects, so it is inconvenient. There is a problem.

[0005]

Means for Solving the Problems The present invention has been made in view of the above circumstances.
A storage tank that is a box with an open top, and an upper opening of the storage tank
A temporary storage tank consisting of a water cover plate closing the part,
In the storage tank, a plurality of chambers are formed inside by a partition frame.
At the same time, accumulated rainwater etc. flows into the adjacent room
A passage opening is formed to allow entry of
There are small holes on the side that allow rainwater to pass through little by little.
Storm water overflows into the upper side of the storage tank
Is provided, and the water is drained from this overflow
An outflow groove is formed on the side of the storage tank so that rainwater, etc.
And the spilled rainwater on the back of the bottom
It is in the place where the water channel is formed so that it can pass easily.
Where the storage tank is made of a foamed synthetic resin molding,
You.

[0006]

[Function] The temporary storage tank by the above means is buried in the ground and used
If this happens, rainwater will enter the storage tank room after passing through the water cover plate.
Rainwater into multiple chambers through the passage opening formed in the partition frame.
Etc. enter and accumulate, and when each room is full,
The water is discharged from the overflow. Temporary storage tank adheres laterally
If they are lined up, they will flow out along the outflow
When the storage tank is vertically adhered and stacked,
From the overflow port to the ground or a temporary storage tank below
leak. Therefore, naturally, in the case of normal rain, even in the case of heavy rain temporarily such as in the evening, rainwater and the like that infiltrate from above through the ground etc. is temporarily stored, so embankment Since the amount of rainwater or the like that the ground naturally absorbs or the amount of rainwater that exceeds the treatment capacity of the water collecting ditch or the drain outlet is not discharged, the above-mentioned problems can be solved.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Two embodiments of a temporary storage tank according to the present invention will be described below with reference to the drawings.

The temporary storage tank 1 is provided with a first storage tank shown in FIGS.
Although there is an embodiment and a second embodiment shown in FIGS. 10 to 12, the first embodiment will be described first. First
The temporary storage tank 1 according to the embodiment includes a storage tank 2 made of a foamed synthetic resin molded body and a water passage cover plate 3. The storage tank 2 is a rectangular box having an open upper part and two partition frames 4 formed in the center, and can store rainwater and the like therein. On the bottom surface 6 of each of the three chambers 5 divided by the partition frame 4, small holes 7 through which rainwater and the like pass little by little are provided. This small hole 7
May be provided on the lower side surface of the storage tank 2. In addition, the upper part of the partition frame 4 and the upper side surface of the storage tank 2 are provided with a passage port 8 and a storage tank 2 for allowing rainwater or the like that has entered each chamber 5 to flow into the adjacent chamber 5 when it becomes full. A groove water outlet 9 for flowing out is provided. The outflow groove 10 is provided in the storage tank 2 so that rainwater or the like flowing out from the water outlet 9 can easily flow out.
And a pedestal 11 for forming a water passage groove is provided on the back side of the bottom surface 6 so that the rainwater or the like that has flowed out can easily pass therethrough. In addition, a fitting groove 12 for fitting the water cover plate 3 is formed around the upper surface of the storage tank 2 so as to correspond to a fitting projection 13 formed around the back surface of the water cover plate 3. ing.

The water passage cover plate 3 has a structure that closes the upper opening of the storage tank 2, can withstand a load applied to its upper surface, and has a water passage function. In this embodiment, a plurality of vertical grooves 14 are formed at a depth of about 2/3 in the longitudinal direction of the surface of the water-passing lid plate 3, and a plurality of lateral grooves 15 are formed in the lateral direction of the back surface of the water-passing lid plate 3.
Is formed with a depth of about 2/3, thereby forming a water passage hole 16 penetrating from the front surface to the back surface at the intersection of the two vertical grooves 14 and the horizontal grooves 15.

The material of the storage tank 2 and the water cover plate 3 in this embodiment is as light as a foamed synthetic resin molded article.
It is effective to use a material that has a certain elastic force and is strong against a load from above, but may be a material such as a concrete body, a synthetic resin body, a rust-proof metal plate, or a wooden plate. Further, a plurality of chambers 5 are formed in the storage tank 2 by the partition frame 4, but the number of the chambers 5 is not particularly limited. This partition frame 4
Can support the load applied to the water-permeable cover plate 3 even on the peripheral surface of the storage tank 2 other than the upper surface, and can withstand a larger load. However, when a durable material such as a concrete body is used, Is not necessary. Furthermore, the water passage hole 16 of the water passage cover plate 3 may be formed by simply providing a large number of pores in addition to the one shown in FIGS.
Various shapes are also included, such as those having a large number of pores having an inverted truncated conical shape with a cross section whose upper portion is largely reduced and whose lower portion is reduced.
In the case of an inverted truncated cone, there is little slippage with the embankment and it is easy to pass rainwater or the like.

The storage tank 2 of the second embodiment is shown in FIGS.
2 is different from the first embodiment in that a hard material such as permeable concrete is used for the water passage cover plate 3 and that a slit 17 is provided in the partition frame 4 of the storage tank 2 so that each chamber 5
This is the point that the accumulation of rainwater or the like in the water is averaged and one small through-hole 7 is formed. In the case of this embodiment, since a hard material is used for the water passage cover plate 3, the upper surface of the water passage cover plate 3 can be used as a sidewalk as it is.

An example of time-drainage drainage of rainwater or the like when the above temporary storage tank 1 is used will be described.

FIG. 1 shows a temporary storage tank 1 inside an inclined surface 27 of an embankment 20 formed by embankment above a lower ground 18.
The stacked stepwise illustrates an example use was laid roads by asphalt 21 upward. In this case, the temporary storage tanks 1 are stacked stepwise so that the small through holes 7 formed in the bottom surface 6 are located above the water cover plate 3 of the temporary storage tank 1 below. With such a configuration, when rainwater falling above the asphalt 21 or rainwater falling on the inclined surface 27 of the embankment 20 enters the embankment 20 from the road shoulders on both sides of the asphalt 21, it temporarily stops. The water reaches the water cover plate 3 of the storage tank 1 and further penetrates into the interior of the chamber 5 to be stored. Therefore, since the rainwater or the like passes through the embankment 20 only for a very short distance in the vertical direction until reaching the water cover plate 3, the embankment 20 may be disintegrated by rainwater, etc. Formation does not occur. Then, rainwater or the like accumulated in the chamber 5 leaks little by little from the small through-holes 7 of each temporary storage tank 1 and flows out to the temporary storage tank 1 located below, from the temporary storage tank 1 in the lowermost layer. Is discharged to the drain groove 29 by a discharge pipe 32 provided as necessary, but may be discharged to the lower ground 18. The amount of the lowermost temporary storage tank 1 flowing out from the discharge pipe 32 is extremely small, and the water is slowly discharged over time, so that the drainage groove 29 does not overflow. Further, since the temporary storage tank 1 is stacked along the inclined surface 27 on the side of the embankment 20, the load is not applied to a vehicle or the like passing on the asphalt 21 on the road, and the temporary storage tank 1 is hollow. But it can withstand enough.

FIG. 2 shows an example in which the temporary storage tank of the present invention is used for the embankment 20 of the wall 22. This example
The wall 22 is erected on the lower side of the inclined ground 23 to fill up the ground to form a flat ground. In this case, the foamed synthetic resin moldings 19 are laminated in an inverted right triangle, and as shown in FIG. The temporary storage tank 1 is stacked on the boundary between the stacked body and the inclined ground 23 in an inverted staircase so that the small through-hole 7 of the upper temporary storage tank 1 is located on the lower water passage cover plate 3. It is arranged. In the case of this use example, the rain that has fallen on the flat ground on the upper side infiltrates into the embankment 20 and the foamed synthetic resin molded article 1
Along the top surface of 9, it passes through the water cover plate 3 of the temporary storage tank 1 at the uppermost position and enters the inside of the chamber 5. Therefore, since rainwater only enters from the temporary storage tank 1 at the uppermost position, as shown in FIG. 5, the small through-hole 7 flowing out to the lower temporary storage tank 1 is larger in the upper one, that is, D1> D.
2> D3 so as to expedite the outflow to the lower temporary storage tank 1 and to discharge pipe 32 from the lowermost temporary storage tank 1
It is designed to flow out of the wall 22 through the wall 22. With this configuration, rainwater or the like that has fallen on the embankment 20 formed by the wall 22 is sequentially stored in the plurality of temporary storage tanks 1 and gradually flows out over time. This can prevent pools and ground collapse. Of course, when a plurality of layers are stacked, for example, D
Combinations such as 1, D1, D1, D2, D2, D2, D3, and the like may be stacked and used depending on the water permeability.

FIG. 3 shows the temporary storage of the present invention in the roadside ground 24.
This is an example when a reservoir is used . In this example, the temporary storage tank 1 shown in FIGS.
Are buried in a plurality of steps and embanked above the water cover plate 3 to form a sidewalk, and the temporary storage tank 1 shown in FIGS. 10 to 12 is buried in the roadside ground 24 on the right side of FIG. The water cover plate 3 is used as a sidewalk as it is, and the temporary storage tank 1 is buried stepwise along the inclined surface 27. The temporary storage tank 1 in the left side shoulder ground 24 guides all the water flowing out of the asphalt 21 and the rainwater falling on the sidewalk to the room 5 through the water cover plate 3, and the rainwater and the like collected in the room 5 are timed. Through the small through-hole 7 to the temporary storage tank 1 below, and the lower temporary storage tank 1 guides rainwater or the like infiltrating from the inclined surface 27 to the chamber 5 through the water cover plate 3 to temporarily store the lowermost layer. It flows out from the layer 1 to the non-water channel 29 through the discharge pipe 32. Thereby, the roadside ground 24 and the inclined surface 27 do not collapse.
Further, as shown in FIG. 6, the temporary storage tank 1 in the right shoulder ground 24 is installed above the drain groove 25, so that the water collected in the chamber 5 is gradually removed from the small through hole 7. The rainwater, etc., which flows out into the drain groove 25 and is led to the sewage or river by the drain groove 25 and enters from the inclined surface 27, is temporarily stored in the temporary storage tank 1 buried along the inclined surface 27 in the same manner as described above. And is discharged.

FIG. 4 shows the present invention on a low ground 26 of a golf course.
This is an example when a temporary storage tank is used . As shown in the figure, the temporary storage tank 1 is laid and embedded in one or more stages in the low ground 26. With this installation, even if a large amount of rainwater or the like temporarily collects on the low ground 26, the rainwater immediately enters the chamber 5 from the water-permeable cover plate 3 and is stored therein. As a result, water does not accumulate on the low ground 26 and does not hinder the traffic of the breaker.

[0017]

The temporary storage tank for rainwater or the like according to the present invention is as described above.
Like rainwater passing through the ground through the water cover plate,
Temporarily store in the storage tank and gradually leak out of the small through hole
And drains, forming puddles in the ground,
This can prevent sudden rupture and collapse of the ground. Change
In addition, when these temporary storage tanks are
Discharges from the overflow port even when a large amount of rainwater enters
Rainwater, etc., passes through an outflow channel formed on the side of the storage tank.
To the ground below. In addition, the temporary storage tank
Even if they are stacked in close contact with each other,
Rainwater, etc., drained from the bottom of the storage tank
It is discharged to the ground and the temporary storage tank below through the water channel.
Thus, this temporary storage tank was closely and horizontally laminated.
Drainage of rain water or the like even in the case can be performed on smoothly. Also, storage tank
When formed with a foamed synthetic resin molded body,
And the resistance to the load from above
It will be strong.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a use example of the present invention.

FIG. 2 is an explanatory diagram of another use example of the present invention.

FIG. 3 is an explanatory diagram of another use example of the present invention.

FIG. 4 is an explanatory diagram of another use example of the present invention.

FIG. 5 is a partially enlarged explanatory view of FIG. 2;

FIG. 6 is a partially enlarged explanatory view of FIG. 3;

FIG. 7 is an exploded perspective view of a temporary storage tank according to a first embodiment of the present invention, showing a storage tank and a water cover plate.

FIG. 8 is a sectional view of the storage tank shown in FIG.
Line sectional view.

FIG. 9 is a sectional view taken along line BB of FIG. 7;

FIG. 10 is an exploded perspective view of a storage tank and a water passage cover plate according to a second usage example of the temporary storage tank.

FIG. 11 is a cross-sectional view taken along line CC of the temporary storage tank of FIG. 10 with a water cover plate placed thereon.

FIG. 12 is a sectional view taken along the line DD in FIG. 10;

FIG. 13 is an explanatory diagram of a conventional example.

FIG. 14 is an explanatory diagram of a conventional example.

[Explanation of symbols]

 1 Temporary storage tank 2 Storage tank 3 Water cover plate _

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-60-151928 (JP, U) JP-A-1-141861 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB name) E03F 1/00 E03B 11/14

Claims (2)

(57) [Claims] 1. A storage tank which is an open box at the top,
Temporary storage tank consisting of a water cover plate that covers the upper opening of the storage tank
The interior of the storage tank is duplicated by a partition frame.
A number of chambers are formed, and accumulated rainwater
A passage is formed to allow the water to flow into the next room.
The bottom or lower side of the small
A through hole is provided, and the upper side of the storage tank is full.
An overflow port for draining rainwater is provided.
Side of the storage tank so that rainwater etc
An outflow groove is formed at the back of the bottom
That the water channel has been formed so that rainwater
A temporary storage tank for rainwater and other features. 2. The storage tank is made of a foamed synthetic resin molded article.
2. Temporary storage of rainwater or the like according to claim 1
Tank.