JP2002227284A - Water channel members - Google Patents

Abstract

PROBLEM TO BE SOLVED: To avoid the accumulation of foreign matters in water. SOLUTION: A main body 3 formed to a trench shape, and a projection 18 located below the opening end surface 11 of the trench of the main body 3 are provided; a plurality of projections 18 are formed in the inner peripheral direction 13 which intersects with the trench direction 7 of the main body and are provided with intervals in the trench direction 7 of the main body, and they are formed in such a manner that a lid portion 24 covering the opening 9 of the trench of the main body 3 can be placed on the top end 20 of the projection.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a channel member for flowing water, and more particularly to a channel member suitable for flowing water containing mud and other foreign matters.

[0002]

2. Description of the Related Art Conventionally, as a waterway member, for example, a U-shaped groove member provided on one side or both sides of a road, that is, a U-shaped groove is known. This is a U-shaped groove member made of concrete, which is arranged in rows with a water gradient.

[0003]

However, in the conventional U-shaped groove, the water to be flowed contains mud, suspended solids, and other foreign substances (hereinafter referred to as "foreign substances").
When flowing into the groove, foreign matter is deposited on the inner bottom. When foreign matter accumulates, the flow of water is hindered, and in extreme cases, the water channel may be blocked.

[0004] It is an object of the present invention to prevent foreign matter from being deposited in water.

[0005]

In order to solve the above-mentioned problems, the present invention comprises a main body formed in a groove shape, and a projection provided on an inner surface of the main body, wherein the projection is formed in a groove direction of the main body. Are formed in the inner circumferential direction intersecting with.

[0006] When water flows in a water channel in which the water channel members are arranged in a row, the water is disturbed at a portion having a projection, so that mud and other foreign substances contained in the water easily float in the water and pass through the projection. It flows downstream. In particular, when the water in the waterway increases due to heavy rain or the like, the water violently collides with the projection, so that the floating of the foreign matter becomes remarkable, and the foreign matter flows downstream of the waterway. For this reason, foreign matter does not accumulate on the inner bottom of the main body and narrows or closes the water channel.

Further, the projections provide resistance to the flow of water, so that the flow velocity of the water is reduced. Since the flow velocity of the water is reduced, it is alleviated that the water overflows in a short time downstream of the channel. Further, when water is infiltrated into the underground downstream of the waterway, a period of infiltration can be given. Also,
By providing the projection on the main body, the rigidity of the main body can be increased, and as a result, the thickness of the main body can be reduced and the material used can be saved.

Further, the projections are preferably provided intermittently in the inner circumferential direction of the main body. In this way, when the amount of water is small, the water flows through a portion of the bottom of the main body that has no protrusion. At this time, since the amount of water is small, the amount of foreign matter is limited, and thus, the accumulation of unnecessary foreign matter locally is prevented. When the amount of water flowing into the main body is large, the water is disturbed by the projections, foreign matter deposited in front of the projections (upstream side) is violently disturbed and floats up, and the foreign matters are flushed downstream with the flow of the water. Therefore, the foreign matter does not excessively accumulate on the bottom of the main body.

Further, a plurality of projections are preferably provided at intervals in the groove direction of the main body. Since the plurality of protrusions are provided at intervals, water is disturbed at each protrusion, foreign matter in the water is disturbed a plurality of times, and the foreign matter is likely to flow downstream.

[0010] Furthermore, it is preferable that a lid member for covering the opening of the groove of the main body be placed on the upper end of the projection. This allows the lid member to be placed on the upper end of the projection. In this case, the projection is preferably provided at a position below the opening end face of the groove of the main body. In this case, when covering the opening of the groove, the projection does not cause a positional or physical obstacle to the lid member.
If the width of the lid member is formed so as to substantially match the width of the groove, the lid member enters the groove of the main body, which is preferable in terms of safety, and the water channel can be installed compactly.

Next, each requirement constituting the present invention will be described in more detail. The waterway member of the present invention is a member for forming a waterway through which rainwater, river water, and other water flows. In particular, it is a waterway member through which water containing foreign matter flows, and is used for a side ditch, a drainage ditch, and the like of a road. The cross-sectional shape of the main body is not particularly limited as long as it is formed in a groove shape, but is U-shaped, semicircular,
The bottom width and the opening width may be the same U-shape, the U-shape gradually increasing from the bottom width toward the opening end, or another irregular shape. The material of the main body is an inorganic material such as concrete, a synthetic resin such as polypropylene or vinyl chloride, or a composite material of synthetic resin and fiber.

If the material of the projection is the same as the material of the main body, the main body and the projection can be integrally formed. The cross-sectional shape of the projection is
It is not particularly limited as long as it disturbs the flow of water and lifts up foreign matter to flow downstream, but it is rectangular, triangular, semicircular,
Other rib shapes or curved shapes can be used.
At this time, it is preferable in terms of manufacturing to form a draft in a tapered shape from the base end side to the tip end side of the projection.

The inner circumferential direction in which the projection is formed may be a direction oblique to the groove direction or a direction perpendicular to the groove direction.
In this case, the position where the protrusion is provided may be at least a part of the inner circumferential direction intersecting with the groove direction, or may be continuous in the inner circumferential direction. Further, the shape of the intermittently provided projection is not particularly limited, but a long portion and a short portion of the projection in the inner circumferential direction may be mixed, and a projection of the same length is formed in the bottom portion in a tooth shape. Is also good. The interval in the groove direction in which the projections are provided is preferably determined according to the size of the main body. If the width and height of the main body are large, the interval is increased, and if the width and height of the main body are small, the interval is reduced.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a waterway member according to the present invention will be described below in detail with reference to the drawings. In addition, FIG.
In FIG. 4, the same or equivalent structures and working parts are denoted by the same reference numerals.

FIG. 1 is a sectional view showing a first embodiment of a waterway member according to the present invention. FIG. 2 is a plan view of FIG. As shown in FIG. 1, the waterway member 1 of the first embodiment is
It is a U-shaped groove used for a road gutter, a drain gutter, and the like. The main body 3 formed in a groove shape and the open end face 1 of the groove 5 of the main body
And a projection 18 provided at a position lower than 1.

The upper end 20 of the projection is formed at a position lower than the end face 11 by the thickness T of the lid member 24 so that the lid member 24 for covering the opening 9 of the main body can be placed thereon. The sectional shape of the main body 3 is U-shaped, the bottom surface 3a is flat, and the side surface 3b.
Are substantially vertical. The side surface 3b may be inclined so that the groove width is widened upward. The material of the main body 3 is made of concrete. In addition, in the waterway member 1 of the first embodiment, the cover member 24 is formed so as to enter into the groove of the main body 3. The lid member 24 may be placed on the opening end face 11 so as to match, or the lid member 24 may not be provided.

As shown in FIG. 2, a plurality of projections 18 are provided at intervals in the groove direction 7 of the main body, and in this case, four projections 18 are provided.
The direction in which the projections 18 are provided is formed in the inner circumferential direction 13 which intersects at right angles to the groove direction 7 of the main body. The material of the projection 18 is made of the same concrete as the material of the main body 3 and is formed integrally with the main body 3. The cross-sectional shape of the projection 18 is trapezoidal and improves moldability. In the first embodiment, the shape of the end portion 15 of the main body is a shape in which the surfaces of the end portion 15 are connected to each other, but may be a shape in which adjacent water channel members 1 are wrapped with each other.

In the waterway member 1 according to the first embodiment, when water flows through the waterway member 1, the water is disturbed at a location where the projection 18 is provided. It flows downstream beyond 18. In particular, when the amount of water in the water channel increases due to heavy rain or the like, the water violently collides with the projection 18, so that the floating of foreign matter becomes remarkable. Such a phenomenon occurs at each of the projections 18, and foreign matter in the water is disturbed a plurality of times and flows downstream. For this reason, foreign matter does not accumulate inside the main body 3 and the water channel does not narrow or close.

Further, since the projections 18 are resistant to the flow of water, the flow velocity of the water is reduced. By reducing the flow velocity of the water, the overflow of the water in a short time downstream of the channel is reduced. Further, when water is infiltrated into the underground downstream of the waterway, a period of infiltration can be given. Further, by providing the projection 18 on the main body,
Can be increased, and as a result, the thickness t1 of the bottom of the main body 3 and the thickness t2 of the side wall can be reduced, and the material used can be saved.

Further, since the projection 3 is provided at a position lower than the opening end face 11 of the groove by the thickness T of the lid member 24, if the width of the lid member 24 is made substantially equal to the inner width of the groove, the lid 3 is formed. The member 24 does not enter the groove and the cover member 24 does not protrude abnormally from the end surface 11 of the main body, which is preferable for safety, and the water channel can be installed compactly.

FIG. 3 is a sectional view showing a second embodiment of the waterway member according to the present invention. FIG. 4 is a plan view of FIG. As shown in FIGS. 3 and 4, the waterway member 1 of the second embodiment
The protrusion 18 is provided intermittently in the inner circumferential direction 13 of the main body 3. That is, the long portion 18a and the short portion 18b of the projection 18 are mixed, and in this embodiment, the short portion 18b is formed on the bottom surface 3a of the main body. Therefore, the bottom surface 3a of the main body has a portion where the protrusion 18 is formed and a portion where the protrusion 18 is not formed.

In the water channel member 1 of the second embodiment, when the amount of flowing water is small, the water flows through a portion of the bottom surface 3a of the main body where there is no protrusion. The amount of foreign matter is limited due to the small amount of water,
Therefore, it is possible to prevent unnecessary accumulation of foreign substances from being locally generated. When the amount of flowing water is large, the water is disturbed by the projections 18, and the foreign matter deposited on the upstream side of the projections 18 is violently disturbed, floats up, and is washed down with the flow of the water. Therefore, foreign substances are not excessively deposited on the bottom surface 3a of the main body. The waterway member 1 according to the second embodiment shown in FIGS.
In FIG. 2, other structures and operations are the same as those of the first embodiment shown in FIGS.
Since it is the same as the waterway member of the embodiment, its description is omitted.

[0023]

According to the present invention, foreign substances in water can be prevented from being deposited.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a first embodiment of a waterway member according to the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a cross-sectional view showing a second embodiment of the water channel member according to the present invention.

FIG. 4 is a plan view of FIG. 3;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Waterway member 3 Main body 5 Groove 7 Groove direction 9 Opening 11 End face 13 Inner circumferential direction 18 Projection 20 Upper end 24 Lid member

Claims (4)

[Claims] 1. A water channel member comprising: a main body formed in a groove shape; and a projection provided on an inner surface of the main body, wherein the projection is formed in an inner circumferential direction intersecting a groove direction of the main body. 2. The water channel member according to claim 1, wherein the protrusion is provided intermittently in an inner circumferential direction of the main body. 3. The water channel member according to claim 1, wherein a plurality of the protrusions are provided at intervals in a groove direction of the main body. 4. The method according to claim 1, wherein
A water channel member formed so that a lid member for covering an opening of a groove of the main body can be placed on an upper end of the projection.