JPH11210063A - Structure for channel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure of channel capable of taking measures for preventing contamination of water, drought or flood at low cost while maintaining simplicity in configuration and easy construction work. SOLUTION: A trench member 11, separation pipes 21, diffusion pipes 31, etc., are provided. Flow holes 14a to 14c are provided at the trench walls 13a to 13c of the trench member 11 and diffusion holes 32 are made in the pipe wall of the diffusion pipe 31. The trench member 11, the diffusion pipes 31 arranged outside of the channel member 11 and separation pipes 21 arranged between them are respectively connected together, and the insides of the trench member 11, the separation pipes 21 and the diffusion pipe 31 are mutually communicated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to sewage (drainage / wastewater)
TECHNICAL FIELD The present invention relates to a water channel structure that has a water channel function for flowing down water, and can also purify water quality and adjust a drainage flow rate.

[0002]

[Prior Art] Regarding water use and flood control, which are the foundations of daily life and industry, there is a growing awareness of crisis from a global perspective.
It has been pointed out that it is urgent to overcome problems such as water pollution and drought as soon as possible. From this perspective,
In Japan, where the land area is small and the amount of rainfall is small relative to the population, and the amount of water consumed is large, it is essential to reuse water, which is a natural resource, repeatedly and carefully.

[0003] Preventing water pollution involves increasing the cleanliness of various types of sewage such as domestic wastewater (domestic wastewater), industrial wastewater (industrial wastewater), agricultural wastewater (agricultural wastewater) and rainwater. These wastewaters are classified into those that undergo purification treatment and those that do not undergo purification treatment, but in terms of quantity, untreated wastewater or insufficiently treated wastewater exceeds treated wastewater. However, wastewater is discharged into public water bodies such as rivers, lakes, marshes, and sea areas through its respective waterways, regardless of whether or not they are treated.

[0004]

Among the above-mentioned untreated wastewater, the wastewater such as rainwater flowing into the gutter of the road is not only acid rain, but also scattered in the air or on the road surface by many vehicles. Contaminated with soot, oil and dust. Domestic wastewater also contains a large amount of nutrients that cause eutrophication, and agricultural wastewater contains a large amount of fertilizers and pesticides. Therefore, the current wastewater has a large pollution load and is a major cause of deteriorating water quality in public waters.

There are many effective techniques for improving water quality, such as physical treatment means, chemical treatment means, microorganism utilization means, and a combination of two or more means. However, the equipment required for these is generally expensive. In addition, the number of sewage canals is huge, including trunk lines and branch lines. Therefore, it is extremely difficult to provide wastewater treatment means for all of them because of the huge cost. By the way, looking at the actual situation in Japan, although various measures for water quality improvement have been taken by the administrative and private levels, the number of facilities is more sufficient than the quality of facilities because the total amount of wastewater to be treated is too large. Has not been fully dealt with. Therefore, high-quality water resources tend to be impoverished.

On the other hand, the penetration rate of rainwater into the ground has been decreasing in inverse proportion to the pavement rate of the road surface. This means that the amount of rainwater flowing into the river through the sewage canal increases with the high-grade pavement because the normal sewage canal has no drainage flow control function. In addition, rivers that receive drainage have not only their original purifying ability but also the underground permeability of water blocked by seawalls. Under these circumstances, floods and floods caused by torrential rains increase during the rainy season when river water levels tend to increase.

SUMMARY OF THE INVENTION In view of the above technical problems, the present invention can prevent pollution of water quality and implement countermeasures such as drought / flood at low cost while ensuring simplicity of configuration and easiness of installation. It is intended to provide a waterway structure.

[0008]

The waterway structure according to claim 1 of the present invention is characterized by the following means for achieving the intended purpose. That is, the waterway structure according to claim 1 comprises an embedded flow path member having a flow path space along the length direction therein, and a water passage hole for allowing liquid to penetrate into the ground. It is characterized by having a road wall.

[0009] The waterway structure according to claim 2 of the present invention is characterized by the following means for solving the problems in order to achieve the intended object. That is, the water channel structure according to claim 2 includes an embedded flow path member having a flow path space extending in the longitudinal direction therein and a submerged buried diversion pipe, and an end of the diversion pipe. The part is connected to the path wall of the flow path member, the branch pipe protrudes from the surface of the flow path member, and the inside of the flow path member and the inside of the flow branch pipe communicate with each other.

[0010] The waterway structure according to claim 3 of the present invention is characterized by the following means for solving the problem in order to achieve the intended purpose. That is, the water channel structure according to claim 3 comprises an embedded flow path member having a flow path space along the length direction therein, an underground buried type distribution pipe, and an underground buried type diffusion pipe. The pipe has a diffusion hole in the pipe wall, and the flow path member, the diffusion pipe disposed outside the flow path member, and the flow dividing pipe disposed over the flow path member are connected to each other to divide the flow path member into the flow path member. The inside of the tube and the inside of the diffusion tube communicate with each other.

[0011] The waterway structure according to a fourth aspect of the present invention comprises:
The flow passage member according to any one of claims 1 to 3, wherein the flow passage member has one of an open channel structure and a culvert structure.

[0012] The waterway structure according to claim 5 of the present invention comprises:
The plug according to any one of claims 1 to 3, further comprising a plug for closing a water passage hole of the flow path member from inside the groove.

Function: The waterway structure according to the first aspect of the present invention is used for constructing a series of long waterways. In this case, the ground is dug up along a predetermined laying line to form a long laying groove, or the flow path members are connected to each other while a predetermined number of flow path members are installed in the laying groove. A part of the drainage (waste water) flowing from the upstream to the downstream in such a water channel infiltrates into the ground through the water hole of the flow path member. The soil that forms the stratum is a vast natural filter bed, in which many and many microorganisms (bacteria) that decompose organic and inorganic substances inhabit. Therefore, wastewater that oozes from the channel member into the ground and diffuses and penetrates into the basement is filtered through the ground (natural filter beds) for contaminants contained therein and recharged underground as purified water. You. Pollutants trapped in the soil are also decomposed by various and many microorganisms, and are stored or absorbed as nutrients of above-ground plants and the like. With such a wastewater treatment system, high quality water resources can be secured underground. This prepares for the drought that tends to occur during the dry season. on the other hand,
In the rising season such as the rainy season, the amount of drainage that penetrates into the ground from the flow channel members increases, and this vigorous drainage infiltration reduces the inflow of drainage into rivers, which is effective as a flood countermeasure. The flow path member has a simple configuration having a water passage hole, and can be easily laid at low cost.

According to a second aspect of the present invention, there is provided a water channel structure in which a flow path member and a branch pipe are combined. In this way, when a water channel is formed, a predetermined number of flow path members are installed in the laying grooves and the flow path members are connected to each other as described above, but the branch pipes are buried underground. When the drainage flows from the upstream to the downstream in the water channel configured in this way, a part of the drainage penetrates or diffuses into the ground through the branch pipe from the flow path member, so that the same high-quality water resources as described above. Is secured underground. The same applies to drought and flood countermeasures and others.

According to a third aspect of the present invention, there is provided a water channel structure in which a flow path member, a branch pipe, and a diffusion pipe are combined. In this case, a predetermined number of flow path members are installed in the laying groove, the flow path members are connected to each other, and a diversion pipe or a diffusion pipe is buried in the ground when forming a water channel. Part of the wastewater flowing from the upstream to the downstream in such a water channel flows from the flow channel member into the branch pipe or the diffusion pipe, and permeates and diffuses widely into the ground through the diffusion hole of the diffusion pipe. Therefore, in this case, securing high-quality water resources underground can be performed more efficiently than the above, and measures against drought and floods also exceed those described above. Others are as described above.

In the structure for a water channel according to a fourth aspect of the present invention, the flow path member has an open channel structure or an underdrain structure. This means that the same operation as described above can be realized regardless of whether the channel member has an open channel structure or an underdrain structure.

The waterway structure according to claim 5 of the present invention is provided with a plug for closing the water hole of the flow path member. In the case of a water channel constructed as described above with such a water channel structure, an arbitrary position and an arbitrary number of water holes are closed with plugs, and the amount of drain water flowing through the water channel and the amount of drain water penetrating into the ground are reduced. Adjust the amount relatively. For example, to increase the amount of drainage flowing through the water channel, the number of closed water holes may be increased, and conversely, to increase the amount of drainage penetrating into the ground, the number of open water holes may be increased. The fact that such adjustment can be performed means that the flow rate of drainage can be controlled according to conditions such as a dry season and a rainy season, a place with a large amount of drainage, and a place with a small amount of drainage. Therefore, canal flow, drainage underground permeability, drought prevention measures,
The canal can be used more functionally, including flood prevention measures.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a waterway structure according to the present invention will be described with reference to the accompanying drawings. In the following description, sewage including drainage and wastewater is simply referred to as “drainage”.

Each of the flow path members 11 illustrated in FIGS. 1A to 1F is for sewage for flowing drainage. These flow path members 11 have a self-evident flow path space 12 along the length direction, and are embodied as follows.

Referring to FIG. 1 (A), a flow path member 11 exemplified here has an open channel structure having a groove-shaped cross section formed by road walls 13a and 13b on both sides and a lower wall 13c. Has become. The flow path member 11 of FIG.
Both corners where the lower end of a.13b and the left end and right end of the lower road wall 13c intersect are chamfered in an inclined manner. FIG. 1 (A)
The flow path member 11 further has a plurality of water passage holes 14a formed in the left road wall 13a or a plurality of water passage holes 14b.
Are formed in the right road wall 13b, or a plurality of water holes 14c are formed in the lower road wall 13c. Therefore, each of the road walls 13a, 13b, 13c of the flow path member 11, etc.
The water holes 14a, 14b, 14c penetrating these are distributed at equal intervals along the length direction of the flow path space 12. The number of such water passage holes 14a, 14b, 14c may be larger or smaller than in the illustrated example. Also,
The water passage hole 14a may be omitted from the road wall 13a, or the water passage hole 1a may be omitted.
4b may be omitted from the road wall 13b, or the water hole 14c may be omitted from the road wall 13c. FIG. 1 (A)
In the flow path member 11, the total height of the flow path space 12 is H, and the height of the low-frequency portion of the flow path space 12 is h. The water holes 14a and 14b in such a flow path member 11 are hｈ1 / 1 /
It is preferable that the road walls 13a and 13b are formed on both sides while maintaining the height of 2H, and it is more preferable that the height is set to the height h or slightly higher than the height h. The reason for setting the height of the water passage holes 14a and 14b to be not less than h is that the sediment is formed in a low region (height h) when drainage containing a large amount of sedimentable contaminants flows through the passage space 12. This is because it is possible to avoid a situation where the water accumulates and the water holes 14a and 14b are blocked. The reason why the heights of the water passage holes 14a and 14b are set to H or less is that the vicinity of the height H becomes a stable water level of the drainage flowing through the passage space 12. Incidentally, the water holes 14a and 14b having a height of H or less hardly dry up, and are hardly clogged by floating substances contained in the drainage. In addition, as for the flow path member 11 in FIG. 1 (A), those known or well known in this kind of technical field, for example, synthetic resin (including FRP), concrete, reinforced concrete, ceramic (including ceramics), metal, these It is made of composite materials.

The flow path member 11 illustrated in FIG.
The flow path member 11 described in FIG. 1A is covered with a plurality of lids 15. That is, the flow path member 11 shown in FIG.
FIG. 1 (A) except that it has a lid 15 on its upper surface.
This is the same as the flow path member 11 described in (1). In this case, the lid 15 is perforated, but a lid without holes can also be used. The material of the lid 15 is the same as that listed for the flow path member 11.

The channel member 11 illustrated in FIG.
Although this is basically the same as the flow channel member 11 described with reference to FIG. 1 (A), since it has a culvert structure,
a · 13b, the lower road wall 13c, and the upper road wall 13d are formed in a tubular shape having a rectangular cross section. Therefore, FIG.
The flow channel member 11 of FIG. 1C is the same as the flow channel member 11 described with reference to FIG. 1A except that the flow channel member 11 has an underdrain structure also including the upper road wall 13d.

The flow path member 11 illustrated in FIG.
Side road walls 13a and 13b, lower road wall 13c, and upper road wall 1
3d and 3d. However, the thing of this illustration example has a square cross-sectional outer shape and a circular inner shape,
Moreover, a slit 16 along the length direction of the flow path space 12 is formed in the upper road wall 13d to form an open channel structure. FIG.
Other items relating to the flow path member 11 of FIG.
Substantially the same as or equivalent to the content described in (A).

The flow path member 11 illustrated in FIG.
The slit 16 is omitted from the flow path member 11 in FIG. Therefore, the flow path member 11 shown in FIG.
FIG. 1 shows the structure of FIG.
This is the same as the flow path member 11 in (D).

The flow path member 11 illustrated in FIG.
This is a culvert structure (cylindrical shape) in which the cross-sectional shape of the flow path member 11 in FIG. 1 (E) is changed from a square to a circle.
Therefore, the flow path member 11 of FIG. 1 (F) is the same as the flow path member 11 of FIG. 1 (D) except that the cross-sectional shape is circular.

Each of the flow dividing pipes 21 illustrated in FIGS. 2A to 2E is provided at an arbitrary position and an arbitrary number in the flow path member 11 so as to drain water from the inside of the flow path member 11 to the outside of the flow path member 11. It is used by connecting to the water holes 14a, 14b, 14c. Of these, the diversion pipe 21 in FIG. 2A is a straight pipe. 2 (B) to 2 (D).
1 comprises a curved tube. Specifically, FIG. 2B shows an arc tube, FIG. 2C shows a meandering tube, and FIG.
Is a spiral tube. An L-shaped pipe or an S-shaped pipe can be adopted as the branch pipe 21 composed of a curved pipe. On the other hand, the branch pipe 21 in FIG. 2E is a branch pipe.
Like the flow path member 11, the branch pipe 21 is made of synthetic resin
Concrete, reinforced concrete, ceramic, metal,
It is made of a composite material or the like, and a bent tube having a bent portion is often made of an easily processed material such as synthetic resin or metal.

Each of the diffusion pipes 31 illustrated in FIGS. 3A to 3H is connected to the flow path member 11 through the branch pipe 21 so as to allow the drainage in the flow path member 11 to penetrate into the ground. Things. Although not particularly limited, the diameters of these diffusion tubes 31 are larger than the diameters of the flow dividing tubes 21. In addition, the shape, structure, material, and the like of each diffusion tube 31 are as follows.

The diffusion tube 31 shown in FIG. 3A is a long straight pipe having a circular cross section, and both end surfaces thereof are open. A plurality of diffusion holes 32 are formed in the peripheral wall of the diffusion tube 31, and a plurality of connection holes 33 are formed in the peripheral wall. There are a large number of diffusion holes 32, which are distributed at regular intervals and in a line along the length direction of the diffusion tube 31. Only a few connection holes 33 as shown in the figure are sufficient, and these are also arranged at regular intervals and in a line along the length direction of the diffusion tube 31. The diffusion hole 32 and the connection hole 33 are located at positions opposite to each other on the peripheral wall of the diffusion tube 31, that is, at positions shifted by 180 degrees in the circumferential direction. As another embodiment relating to the diffusion tube 31 of FIG. 3A, one end surface or both end surfaces of the diffusion tube 31 may be closed by an end plate, and a hole may be formed at the center of the end plate. is there. Further, the diffusion tube 31 may be provided with two or more rows of diffusion holes 32. The diffusion tube 31 shown in FIG. 3A is made of the above-mentioned well-known and well-known materials, for example, synthetic resin, concrete, reinforced concrete, ceramic, metal, a composite material thereof, and the like.

The diffusion tube 31 shown in FIG. 3B is a short straight pipe having a circular cross section, and at least one end face thereof is closed. A large number of diffusion holes 32 formed in the peripheral wall of the diffusion tube 31 are distributed at equal intervals and in two rows along the length direction of the diffusion tube 31, and the two diffusion hole rows are shifted by 180 degrees in the circumferential direction. I have. A connection hole 33 is formed in an end face plate 34 that closes one end face of the diffusion tube 31. FIG. 3 (B)
As another embodiment of the diffusion tube 31 of the
May be closed by an end plate, and a hole may be formed in the center of the end plate. Diffusion tube 3
1 may have three or more rows of diffusion holes 32. The diffusion tube 31 and the end plate 34 of FIG. 3B are also made of synthetic resin, concrete, reinforced concrete, ceramic,
It is made of metals and their composite materials.

The diffusion tube 31 shown in FIG. 3C is a short straight type mesh tube or a perforated tube having a circular cross section. Therefore, there are many diffusion holes 32 in the peripheral wall of the diffusion tube 31 in FIG. This diffusion tube 31 also has one end face or both end faces of the end face plate 3.
4, at least one end plate 34 of which has a connection hole 33. The diffusion tube 31 of FIG. 3C is made of a synthetic resin, ceramic, metal, or the like, and the end face plate 34 of FIG. 3C is made of the same material as that of FIG.

The diffusion tube 31 shown in FIG. 3D is a spiral-shaped pipe, and a large number of the above-described diffusion holes 31 are formed on the peripheral wall thereof. In the diffusion tube 31 of FIG.
3 is not shown, but the connection hole 33 is shown in FIG.
3A, it is formed on the peripheral wall of the diffusion tube 31, and as another example, it is formed on the end face plate 34 for closing the end surface of the diffusion tube 31 as in FIG. Such a spiral diffusion tube 31 may be formed by connecting a plurality of curved tubes in a spiral shape, in addition to being integrally formed. FIG. 3 (D)
Is also made of synthetic resin, ceramic, metal or the like.

The diffusion tube 31 shown in FIG. 3E is a meandering pipe, and a large number of the above-described diffusion holes 31 are formed on the peripheral wall thereof. Other items related to the diffusion tube 31 in FIG. 3E are substantially the same as those in FIG. 3D.

The diffusion tube 31 shown in FIG. 3 (F) is composed of pipes assembled in a lattice pattern. Such a lattice type diffusion tube 31
Is constructed by cross-connecting a large number of pipes by a well-known connecting means such as a connection tool, an adhesive, and welding. In this lattice type diffusion tube 31, a diffusion hole 31 is formed at the intersection of the pipes, or a connection hole 33 is formed in an end face plate 34 closing the pipe end surface at each one end. These diffusion holes 31 and connection holes 33 may be formed in places other than those shown. The diffusion tube 31 and the end plate 34 shown in FIG.
Also, they are made of synthetic resin, concrete, reinforced concrete, ceramic, metal, a composite of these, and the like.

The diffusion tube 31 shown in FIG. 3 (G) is an inverted U-shaped pipe. This inverted U-shaped diffusion tube 31 also has a large number of the above-described diffusion holes 31 formed in the peripheral wall, or both end faces are closed by an end face plate 34 having connection holes 33. FIG.
Other items related to the diffusion tube 31 and the end face plate 34 in (G) are almost the same as those in the other examples in FIG. 3, and the materials are the above-described synthetic resin, concrete, reinforced concrete, ceramic, metal, a composite material thereof, and the like. .

The diffusion tube 31 shown in FIG. 3H is a branched pipe, and the above-described diffusion hole 31 is formed in the peripheral wall of the branch tube.
Are formed in large numbers. Other matters relating to the diffusion tube 31 in FIG. 3H are substantially the same as any of FIGS. 3D, 3E, and 3G.

FIGS. 4A and 4B show a plug 41 for closing the water holes 14a to 14c of the flow path member 11, for example. The plug 41 in FIG. 4A is made of rubber or synthetic resin, and can be pressed into or pulled out of each of the water holes 14a, 14b, and 14c. The plug 41 of FIG.
Is composed of a male screw plug made of metal or hard synthetic resin, and has a small tubular receiving member 42 having a female screw as a pair of components. Therefore, the stopper 41 shown in FIG. 4B can be attached to and detached from the water receiving holes 14a, 14b, and 14c by fixing the receiving members 42 to the holes. Other known or well-known stoppers can be used as the stopper 41.

FIG. 5 shows an example of a channel structure according to the present invention, which is similar to the channel member 11 shown in FIG.
It is composed of a combination of the distribution pipe 21 of FIG. 3A and the diffusion pipe 31 of FIG. However, the passage member 11 has a water passage hole 14b.
However, there are no other water holes 14a and 14c. In the case of this example, the flow path member 11 and the diffusion pipe 31 are arranged with a parallel space therebetween, and the branch pipe 21 extending therebetween connects the diffusion pipe 31 to the diffusion pipe 31. I have. Specifically, the flow path member 11, the flow dividing pipe 21, and the diffusion pipe 31 are integrally connected by a well-known pipe connecting means such as a connection tool, an adhesive, and welding, and one end of the flow dividing pipe 21 is connected to the flow path member 1.
The other end of the flow dividing pipe 21 matches the connection hole 32 of the diffusion pipe 31. Therefore, the inside of the flow path member 11, the inside of the flow dividing tube 21, and the inside of the diffusion tube 31 communicate with each other. The plug illustrated in FIG. 4A as a plug 41 for closing the water hole 14b of the flow path member 11 is combined with the water channel structure of FIG. Such a stopper 41 is connected to a part of the flow path member 11 by, for example, a chain or another mooring material. The flow path member 11 of FIG. 5 has water passage holes 14a and 14a in addition to the water passage hole 14b.
If they also have c, they may be closed with a stopper 41. The stopper 41 may be the one shown in FIG.

In the present invention, the flow path member 11, the diversion pipe 21, and the diffusion pipe 31 arbitrarily selected from the various flow path members shown in FIG. 1, the various flow pipes shown in FIG. 2, and the various diffusion pipes shown in FIG. Then, various types of channel structures can be obtained. In any combination, when the diffusion pipe 31 is connected to the diffusion pipe 31 via the flow dividing pipe 21, one end of the flow dividing pipe 21 is matched with the water passage hole 14 b of the flow path member 11, The other end is matched with the connection hole 32 of the diffusion tube 31. In the present invention, a channel structure may be constituted by an arbitrary flow path member 11 and an arbitrary flow dividing pipe 21, or may be constituted by an arbitrary flow path member 11 alone.

FIGS. 6 and 7 show an example in which the waterway structure of FIG. 5 is connected in the longitudinal direction and is used as a side ditch (open drainage) on both sides of the road. As is clear with reference to FIGS. 6 and 7, the flow path member 1 constituting the waterway structure
1. The diverting pipe 21 and the diffusion pipe 31 are the roadway 51 and the sidewalk 5
It is buried near the surface of the ground or underground at the boundary with 2a / 52b. In these left and right open drainage channels, rainwater during rainfall and drainage from other channel systems flow downstream. Then, a part of the drainage permeates and diffuses out of the water channel from each channel member 11 while exhibiting the following fluidity and diffusivity. That is, a part of the drainage oozes into the ground by showing fluidity such as the flow path member 11 → water passage holes 14a and 14b → diversion pipe 21 → diffusion pipe 31 → diffusion hole 32, and then passes through the formation 53. Diffuses and penetrates underground. As described above, the pollutants contained in this underground seepage drainage are filtered underground, and thus are recharged underground as purified water.
In addition, pollutants trapped in the soil are also decomposed by various and many microorganisms. In FIG. 6 and FIG. 7, when the amount of drainage flowing through the drainage channel and the amount of drainage permeating into the ground are relatively adjusted, an arbitrary number of water holes (14a
b) is closed with a stopper 41 or all the water holes are opened. In this adjustment, the number of closed water holes is increased when increasing the amount of drain water flowing through the water channel, and the number of open water holes is increased when increasing the amount of drain water that penetrates into the ground.

The flow path member 11 of the structure for a water channel in the examples of FIGS. 6 and 7 has the respective water holes 14a, 14b and 14c in FIG.
In the case of (A), as shown on the left side in FIG. 7, the flow dividing pipe 21 is connected to each water flow hole, and the diffusion pipe 31 is connected to each current dividing pipe 21.

In the case of the waterway structure illustrated in FIG.
It is configured by combining the flow path member 11 in FIG. 1A, the flow dividing pipe 21 having a bent shape, the diffusion pipe 31 in FIG. 4G, and the like. However, the flow path member 11 of FIG.
Although there is b, there is no water passage hole 14c. In this waterway structure, a pair of left and right water holes 14a and 14b, a pair of right and left flow dividing pipes 21 and one diffusion pipe 31 are defined as one unit. Specifically, a pair of left and right flow dividing pipes 21 are connected to the pair of left and right water passage holes 14a and 14b, respectively.
And the diffusion tubes 31 are connected to the respective devices. The connection means and the like at this time are not different from those described above. Therefore, in the channel structure shown in FIG. 8, a large number of drainage infiltration means having a pair of right and left water holes 14 a and 14 b, a pair of right and left branch pipes 21, and one diffusion pipe 31 as one unit are the length of the flow path member 11. Are distributed at intervals in the vertical direction. In addition, water holes 14a and 14b
May be provided with a stopper 41. Similar to the above, such a structure for a water channel is put to practical use in a form in which each component constituting a long water channel is embedded in the ground surface or inside. Then, part of the drainage flowing through the flow path member 11 is changed from the flow path member 11 → water passage holes 14a and 14b → diversion pipe 21 → diffusion pipe 31.
→ Shows fluidity like diffusion holes 32 and seeps into the ground,
This diffuses and penetrates in the underground direction in the stratum 53, so that the same applies to drainage treatment and the like.

In the case of the waterway structure illustrated in FIG. 9,
Since it is composed of the flow path member 11 of FIG. 1E and the flow dividing pipe 21 of FIG. 2A, there is no diffusion pipe 31 in this. That is, the waterway structure shown in FIG.
In the flow path member 11 without 4c, each of the water holes 14
b is connected to each of the flow dividing pipes 21. The other matters relating to the waterway structure are not substantially different from the previous example. In the same manner as described above, when each component constituting the long water channel is embedded in the ground surface or inside the water channel structure, part of the drainage flowing through the flow channel member 11 is partially changed from the flow channel member 11 to the water The holes 14a and 14b show the fluidity like the diversion pipe 21 and ooze into the ground and diffuse and penetrate underground in the stratum 53, so that the same applies to drainage treatment and the like.

The water channel structure illustrated in FIG.
The channel member 11 of (A) is constituted solely. The waterway structure, that is, the flow path member 11 is also formed by connecting a large number of the waterway members in the longitudinal direction, and such a waterway is embedded in the ground surface. Therefore, in the case of the waterway structure illustrated in FIG. 10, part of the drainage flowing through the flow path member 11 oozes into the ground from the water holes 14 a, 14 b, and 14 c of the flow path member 11,
This diffuses and penetrates in the underground direction in the stratum 53, so that drainage treatment and the like in accordance with the contents described above are performed.

In the present invention, a combination of the flow path member 11, the diversion pipe 21, and the diffusion pipe 31 arbitrarily selected from the various flow path members of FIG. 1, the various flow pipes of FIG. 2, and the various diffusion pipes of FIG. And each type of water channel structure obtained by a combination of an arbitrary flow path member 11 and an arbitrary flow dividing pipe 21, and a water channel using only an arbitrary flow path member 11 Each type of waterway structure constituted by a waterway structure is also used for various waterways in accordance with the above-mentioned contents. Among them, those using the culvert-type flow channel member 11 shown in FIGS. 1C and 1E are buried in the ground so that they are completely buried, or their upper surfaces coincide with the ground. Or embedded in the form. The underdrain type flow channel member 11 shown in FIG. 1 (F) is entirely buried. Stopper 4
It is almost difficult to use 1 for the culvert type flow path member 11.

The waterway structure according to the present invention is intended for an embedded waterway for draining sewage (drainage / wastewater), from small (small) to large (large). It can be applied to various waterways, such as for general drainage, agricultural drainage, and industrial drainage.

[0046]

The water channel structure according to the present invention comprises a flow path member or a flow path member and a diversion pipe, or a flow path member, a diversion pipe and a diffusion pipe. Is to permeate and diffuse into the ground. Since this does not require special wastewater treatment equipment or flood prevention equipment, the configuration is extremely simple, and can be laid easily with almost no change from the conventional type. And the simplicity of the configuration and the ease of laying will realize a significant cost reduction for waterways with sewage treatment and flood prevention functions.

In the waterway structure according to the present invention, a part of the drainage that permeates and diffuses from the flow path member into the ground is filtered through a vast natural filter bed (soil forming the stratum) for contaminants. It is recharged underground as purified water. Pollutants trapped in soil are also decomposed by many and many microorganisms,
It is stored or absorbed as nutrients such as ground plants. Therefore, high quality water resources can be secured underground as a measure against drought. In addition, since seepage and diffusion of drainage from the channel member into the ground leads to a reduction in the amount of inflow water into rivers and the like, it is also effective for flood countermeasures when water is increased.

In the waterway structure according to the present invention, when the flow dividing pipe is connected to the flow path member, the start position of the permeation of the drainage into the ground can be adjusted by the flow dividing pipe. This means that drainage infiltration can be realized taking into account the condition of the stratum and its impact on the surroundings. The branch pipe also allows the drainage to penetrate underground from a point away from the flow path member, so that the ground in which the flow path member is embedded can be prevented from being softened by the drainage. And because it receives wastewater even in the diversion pipe,
The capacity of the canal structure is increased by that much, and the flood prevention function is enhanced.

In the waterway structure according to the present invention, which is composed of the flow path member, the branch pipe and the diffusion pipe, an effect of increasing the underground diffusion of drainage can be obtained in addition to the above-mentioned effects. In addition, the capacity of the waterway structure is further increased and the flood prevention function is further enhanced because the drainage pipes receive the drainage.

When the waterway structure according to the present invention is provided with a plug for closing the water hole of the flow path member, the number of the water hole closed (open number) by the plug can be adjusted. And the amount of wastewater permeating into the ground can be adjusted relatively. Therefore, the canal can be used more functionally, including the flow rate of the canal, the underground permeability of drainage, measures to prevent drought, and measures to prevent flooding.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating various examples of a flow path member, which is one component of a water channel structure according to the present invention.

FIG. 2 is a perspective view illustrating various examples of a diversion pipe as another component of the waterway structure according to the present invention.

FIG. 3 is a perspective view illustrating various examples of a diffusion tube as still another component of the waterway structure according to the present invention.

FIG. 4 is a perspective view illustrating various types of plugs, which are one of the other components of the waterway structure according to the present invention.

FIG. 5 is a partially cutaway plan view schematically showing an embodiment of a waterway structure according to the present invention.

FIG. 6 is a sectional view schematically showing an example of use of a waterway structure according to an embodiment of the present invention.

FIG. 7 is a schematic sectional view according to a usage example of FIG. 6;

FIG. 8 is a cross-sectional view schematically illustrating an example of use of a waterway structure according to another embodiment of the present invention.

FIG. 9 is a cross-sectional view schematically illustrating a usage example of a waterway structure according to another embodiment of the present invention.

FIG. 10 is a cross-sectional view schematically showing a usage example of a waterway structure according to an embodiment other than the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Flow-path member 12 Flow-path space 13a One-side road wall 13b Other-side road wall 13c Lower-side road wall 13d Upper-side road wall 14a Water passage hole 14b Water passage hole 14c Water passage hole 15 Cover 16 Slit 21 Branch pipe DESCRIPTION OF SYMBOLS 31 Diffusion tube 32 Diffusion hole 33 Connection hole 34 End plate 41 Plug 42 Plug stopper

──────────────────────────────────────────────────の Continued on front page (51) Int.Cl. ⁶ Identification code FI E02B 11/00 301 B01D 23/10 B

Claims (5)

[Claims] 1. A channel wall of a flow path member having an embedded type flow path member in which a flow path space along the length direction is provided, and having a water passage hole for allowing liquid to penetrate into the ground. A water channel structure characterized by the above-mentioned. 2. A flow path space extending along a length direction is provided with a buried flow path member having a flow path space therein and an underground buried flow branch pipe. A water channel structure connected to a wall, wherein the branch pipe protrudes from the surface of the flow path member, and the inside of the flow path member and the inside of the flow branch pipe communicate with each other. 3. An underground buried type distribution pipe and an underground buried type diffusion pipe having a buried type flow path member in which a flow path space along the length direction is provided, and the diffusion pipe is diffused into the pipe wall. Having a hole, and a flow path member, a diffusion pipe disposed outside the flow path member, and a distribution pipe disposed over the flow path member are connected to each other, so that the inside of the flow path member, the inside of the distribution pipe, and the diffusion pipe are connected. A structure for a waterway, wherein the inside and the inside communicate with each other. 4. The waterway structure according to claim 1, wherein the flow path member has one of an open channel structure and a culvert structure. 5. The structure for a water channel according to claim 1, further comprising a plug for closing a water passage hole of the flow path member from inside the groove.