JP2011122300A - Side ditch block for drainage pavement, form thereof, and drainage road structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To increase the strength of a drainage unit to reduce the possibility that the unit may be damaged and to eliminate the need for a filter so as to eliminate the operation of installing the filter and reduce costs. <P>SOLUTION: An inner cutout section is formed by a first cutout section where a cover receiving surface of a side ditch block is cut in the shape of a gutter and a second cutout section where the interior of a rising section is cut in such a way as to continue to the first cutout section. An outer cutout section where the outside of a sidewall is cut correspondingly to the inner cutout section is formed. A thin-walled section that is thinner than the rising section is formed between the inner cutout section and the outer cutout section. A plurality of water holes each in the form of a slit or a small hole are formed in the thin-walled section. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

The present invention relates to a drainage pavement side groove block, a formwork of a drainage pavement side groove block, and a drainage road structure.

In recent years, pavement called drainage pavement is increasing on roads.
In this drainage pavement, a water-impermeable layer made of a water-impermeable pavement material such as asphalt is formed on a roadbed, and a water-permeable layer made of a water-permeable pavement material such as porous concrete is formed thereon.
A gutter block for drainage pavement is laid along the road of drainage pavement. This is provided with a drainage portion communicating with the inside and outside of the upper side plate of the block.
Rainwater that falls on the road with drainage pavement penetrates into the permeable layer, flows along the upper surface of the impermeable layer below it, reaches the gutter block, and enters the gutter block from the drainage section. It flows in and is drained.

The side groove block for drainage pavement is disclosed in, for example, Patent Documents 1 to 3 below.
A drainage portion is provided in the upper part of the side wall of these gutter blocks. The drainage part is a hole that communicates the inside and outside of the side wall, and the diameter of the hole is relatively large, about 10 cm or more. Get in. In order to prevent this, a filter made of metal or plastic is attached to the outer surface of the hole.

JP 2004-183216 A JP 2007-247402 A JP 2008-121290 A

The conventional drainage pavement side groove block has a drainage part composed of relatively large holes, so the strength of the part is weak, and the part may be damaged when the automobile passes over the side groove. was there.
Further, a separate filter for preventing the pavement material from entering the inside of the side groove is indispensable, resulting in high cost and complicated filter installation work.
It is an object of the present invention to improve the strength of a drainage part as compared with the conventional case, to reduce the possibility of damaging the part, to eliminate the need for a filter, to eliminate the work of attaching the filter, and to reduce the cost. It is.

[Claim 1]
The present invention has a lid receiving surface on which a lid is placed on the upper side wall, and has an upright portion that stands on the outside of the lid receiving surface,
An inner notch is formed by a first notch that cuts off the lid receiving surface in a bowl shape and a second notch that is notch the inner side of the upright portion continuously to the first notch.
An outer notch that cuts the outside of the side wall corresponding to the inner notch is formed,
A thin part thinner than the upright part is formed between the inner notch part and the outer notch part,
A drainage pavement side groove block characterized in that a plurality of slit-shaped or small-hole water passage holes are formed in the thin portion.

The side groove block of the present invention has a plurality of slits or holes formed in the thin portion of the water passage hole, so that there are fewer cross-sectional defects than the large diameter hole of the conventional side groove block, and the strength of the part is improves. Moreover, when drainage pavement is constructed after laying the gutter, the outer notch is filled with the pavement material, which also improves the strength of the part.
Since the slit-shaped or hole-shaped water passage holes can be appropriately designed so that the pavement material does not enter the side grooves, a conventional filter is not required.

[Claim 2]
Further, the present invention is a mold for molding the side groove block according to claim 1, comprising an inner die cutting material for molding the inner notch portion and an outer die cutting material for molding the outer notch portion,
The inner die-cutting material has a shape corresponding to the shape of the inner notch and a protrusion for forming the inner portion of the water passage hole on the inner surface.
The outer die-cutting material has a shape corresponding to the shape of the outer notch, and has a protrusion for forming the outer portion of the water passage hole on the inner surface,
In the assembled state of the mold, the inner die cutting material is detachably attached to a portion of the inner mold of the mold that molds the lid receiving surface, and the outer die cutting material is attached to a side plate that molds the block side surface of the mold. The drainage pavement side groove block mold is characterized in that protrusions of the inner die cutting material and the outer die cutting material are in contact with each other.

[Claim 3]
Further, the present invention is a mold for molding the side groove block according to claim 1, comprising an inner die cutting material for molding the inner notch portion and an outer die cutting material for molding the outer notch portion,
The inner die cutting material has a shape corresponding to the shape of the inner notch portion, and the outer die cutting material has a shape corresponding to the shape of the outer notch portion,
A protrusion for forming the water passage hole on an inner surface of the inner die cutting material or the outer die cutting material;
In the assembled state of the mold, the inner die cutting material is detachably attached to a portion of the inner mold of the mold that molds the lid receiving surface, and the outer die cutting material is attached to a side plate that molds the block side surface of the mold. It is a formwork of the side groove block for drainage pavement characterized by the said protrusion part contacting the other die cutting material.

The gutter block according to claim 1 can be easily manufactured with the mold according to claims 2 and 3.
Conventionally, it has been difficult to form slit-shaped or hole-shaped water passage holes that do not require a filter in the side groove block, but the die cutting material is divided into an inner die cutting material and an outer die cutting material. This is made possible by detachably attaching the material to the part of the mold that forms the lid receiving surface of the inner mold, and attaching the outer mold blank to the side plate that molds the block side surface of the mold.
At the time of demolding, the outer die-cutting material is detached from the concrete together with the side plate when the side plate is opened, and the inner die-cutting material is demolded together with the block while remaining in the concrete (FIG. 18). The inner die cutting material can be extracted from the block after the block is removed from the mold (FIG. 19).
The protrusions for forming the water passage holes may be provided on both the inner surface of the inner die cutting material and the inner surface of the outer die cutting material (Claim 2), or may be provided on either one (Claim 3). .

  By attaching an inner die-cutting material and an outer die-cutting material to a mold that forms a normal gutter block, the mold according to the present invention is obtained, and the drainage pavement side-groove block according to the present invention can be manufactured. Therefore, the formwork of the present invention can be manufactured easily and at low cost, and the side groove block of the present invention can also be manufactured at low cost.

[Claim 4]
Moreover, this invention is a formwork of the side groove block for drainage pavement of Claim 2 or 3 whose said inner side die cutting material is resin.

The inner die-cutting material can be made of various materials such as metal, wood, and resin. However, it is possible to produce a complicated shape at a low cost by using resin in particular, and to provide concrete with appropriate elasticity. Easy to extract from
The resin is particularly preferably a resin having moderate elasticity such as a soft resin or rubber (such as urethane rubber).
The outer die cutting material can also be made of various materials such as metal, wood and resin. Since the outer die-cutting material is easy to be extracted from the concrete, there is no inconvenience even if it is made of metal, but it can be manufactured at low cost by using resin.

[Claim 5]
Further, in the present invention, when the inner die cutting material and the outer die cutting material are in contact with each other in an assembled state of the mold, the inner die cutting material and the outer die cutting material are pressed against each other to be in a compressed state. 4 is a formwork of the drainage pavement side groove block according to 4;

  When the inner die cutting material and the outer die cutting material are in a compressed state in the assembled state of the mold, the inner die cutting material and the outer die cutting material are prevented from being deformed, moved and dropped due to the impact of the placed concrete. Is done.

[Claim 6]
Further, according to the present invention, the drainage pavement side groove according to any one of claims 2 to 5, wherein the inner die cutting material is detachably attached to a portion of the inner die cover receiving surface formed by a built-in magnet. Block formwork.

  Various well-known means can be employed for detachably attaching the inner die cutting material to the portion of the inner die that receives the lid receiving surface. However, attachment by a magnet makes it extremely easy to attach and detach.

[Claim 7]
Moreover, this invention consists of the gutter block of Claim 1 laid along the road, and the drainage pavement constructed so as to cover the road surface, and the permeable pavement material of the drainage pavement is filled in the outer notch. It is a drainage road structure characterized by

  By filling the outer notch with drainable pavement permeable pavement material, the strength near the water passage hole (drainage part) is improved, and when the car passes over the side groove, the relevant part of the side groove is damaged. There is almost no risk of doing so.

Since the drainage pavement side groove block of the present invention can increase the strength of the drainage part as compared with the conventional side groove block, the possibility of damaging the part is reduced. Further, since a filter as a separate member is unnecessary, the manufacturing and mounting costs of the filter are unnecessary, and complicated filter mounting work is eliminated.
The formwork of this invention can manufacture the side groove block of this invention easily and cheaply.
Since the drainage road side groove of the present invention increases the strength of the drainage part of the side groove block, there is almost no possibility that the part of the side groove is damaged when an automobile passes over the side groove.

It is a side view of the side groove block of an Example. It is the sectional view on the AA line in FIG. It is a front view of an outside notch. It is a front view of an inner notch part. It is the BB sectional view taken on the line in FIG. It is CC sectional view taken on the line in FIG. It is the DD sectional view taken on the line in FIG. It is a perspective view of an inner side notch part. It is explanatory drawing of an inner side die cutting material. It is explanatory drawing of an outer side die cutting material. It is a top view of the combination state of an inner side die cutting material and an outer side die cutting material. It is a side view of the combination state of an inner side die cutting material and an outer side die cutting material. It is principal part cross-section explanatory drawing of the state which assembled the formwork. It is explanatory drawing of the procedure which manufactures a gutter block with a formwork. It is explanatory drawing of the procedure which manufactures a gutter block with a formwork. It is explanatory drawing of the procedure which manufactures a gutter block with a formwork. It is explanatory drawing of the procedure which manufactures a gutter block with a formwork. It is explanatory drawing of the procedure which manufactures a gutter block with a formwork. It is explanatory drawing of the procedure which manufactures a gutter block with a formwork. It is principal part sectional explanatory drawing of the drainage road structure of an Example. It is a top view of the combination state of an inner side die cutting material and an outer side die cutting material (other examples). It is a top view of the combination state of an inner side die cutting material and an outer side die cutting material (other examples). It is an inner surface figure of an inner side die cutting material (other examples). It is an inner surface figure of an outer side die cutting material (other example). It is a top view of the combined state of the inner side die cutting material of FIG. 23, and the outer side die cutting material of FIG. It is a side view of the combined state of the inner side die cutting material of FIG. 23, and the outer side die cutting material of FIG. It is a front view of the outer side notch part of the side groove | channel using the inner side die cutting material and outer side die cutting material of FIG. It is the FF sectional view taken on the line in FIG.

The side groove block 1 of the embodiment shown in FIGS. 1 and 2 is a so-called U-shaped groove in which the lower portions of two opposing side walls 11 are connected and integrated by a bottom plate 12. A surface 13 is formed and has a raised portion 14 that stands on the outside of the lid receiving surface 13. Further, four drainage portions 1a are formed on the upper portion of one side wall 11 on the road side.
The detail of the drainage part 1a of the gutter block 1 is shown in FIGS.
The drainage part 1 a has an inner notch part 15 and an outer notch part 16. The inner notch portion 15 includes a first notch portion 15a in which the lid receiving surface 13 is notched in a bowl shape, and a second notch portion 15b in which the inside of the upright portion 14 is continuously cut out. The outer cutout portion 16 is a portion in which the outside of the side wall 11 at a position corresponding to the inner cutout portion 15 is cut out.
A thin portion 17 thinner than the upright portion 14 is formed between the inner notch portion and the outer notch portion, and three slit-shaped water passage holes 18 are formed in the thin portion 17. For this reason, the thin part 17 becomes two pillar shape, and the intensity | strength of the drainage part 1a is large by this.

The side groove block 1 of the present embodiment is manufactured by a mold frame to which an inner die cutting material 3 and an outer die cutting material 4 are attached.
As shown in FIG. 9, the inner die cutting material 3 has an outer shape corresponding to the shape of the inner notch 15, and the inner portion of the water passage hole 18 is formed on the inner surface (the surface facing the inner side of the side wall). A projecting portion 33 to be molded is formed. Further, a magnet 34, a bolt 35 for positioning, and a reinforcing iron plate 36 for reinforcement are built in, and the tip of the bolt 35 protrudes to the outside. The inner die cutting material 3 is made of urethane rubber, and can be manufactured by injection molding (insert molding) in which a magnet 34, a bolt 35, and a reinforcing iron plate 36 are inserted into a mold. Note that the bolt 35 and the reinforcing iron plate 36 are not necessarily required.

  As shown in FIG. 10, the outer die cutting material 4 has an outer shape corresponding to the shape of the outer notch 16, and an outer portion of the water passage hole 18 on the inner surface (the surface facing the inner side of the side wall). A projecting portion 41 to be molded is formed. The outer die cutting material 4 is also made of urethane rubber and can be manufactured by ordinary injection molding.

The inner die cutting material 3 and the outer die cutting material 4 are attached to a mold 2 for forming the side groove block 1 as shown in FIG.
The mold frame 2 has a running water groove inner surface, a lid receiving surface, an inner mold 21 that molds the inner surface and upper surface of the upright portion, a side plate 22 that molds the outer surface of the side wall, and a face plate (not shown) that molds the end surface.
The lid receiving surface molding portion 21a of the inner mold 21 is provided with a positioning hole 24. By inserting the tip of the bolt 35 of the inner mold cutting material into the hole 24, the inner mold cutting material 3 is moved to the inner mold 21. The lid receiving surface molding portion 21a is detachably attached to the predetermined position by the magnetic force of the magnet 34.
The outer die cutting material 4 is attached to a predetermined position of the side plate 22 with an adhesive. The method of attaching the outer die cutting material 4 is not limited to adhesion, and it can be attached by any method such as embedding bolts in the outer die cutting material and attaching them with bolts and nuts. When the outer formwork is made of metal, it can be attached by welding.

11 and 12 show a state in which the inner die cutting material 3 and the outer die cutting material 4 are combined in the mold frame. Since the inner surface of the projecting portion 33 of the inner die-cutting material and the inner surface of the projecting portion 41 of the outer die-cutting material are in contact with each other, and this portion is not filled with concrete, the slit-shaped water passage hole 18 is formed by the projecting portions 33 and 41. .
The frame is assembled as shown in FIG. 13 by making the total width dimension of the inner die cutting material 3 and the outer die cutting material 4 slightly larger (about 1 to 5 mm) than the width dimension of the portion of the side groove block side wall. When this is done, the inner die-cutting material 3 and the outer die-cutting material 4 are pressed against each other to be in a compressed state, preventing deformation, movement, and dropping off due to the impact of the placed concrete.

Next, the manufacturing process of the side groove block 1 will be described based on FIGS.
Note that the mold 2 shown in FIGS. 14 to 19 exemplifies the most general one for forming a U-shaped groove, and the mold of the present invention is not limited to this.
The mold frame 2 includes a flow groove inner surface, a lid receiving surface, an inner mold 21 for forming the inner surface and upper surface of the upright portion, a side plate 22 for forming the outer surface of the side wall, and a face plate (not shown) for forming the end surface. 1 is formed in an upside down state.
The inner mold 21 is integrally provided with a lid receiving surface molding portion 21a, an upright inner surface molding portion 21b, and a rising upper surface upper surface molding portion 21c, following a U-shaped running water groove molding surface that molds the inner surface of the flowing water groove. . The side plate 22 is pivotally attached to the base of the inner mold by a pivoting portion 23, and is assembled in an upright state as shown in FIG. 16 when pouring concrete, and in an inclined state as shown in FIG. 18 when demolding. To.

FIG. 14 shows a case where the inner die cutting material 3 is detachably attached to the inner lid receiving surface molding portion 21a. The outer die cutting material 4 is bonded and fixed (completely fixed) to the side plate 22 in advance.
FIG. 15 shows a state in which the inner die cutting material 3 is detachably attached to the inner die cover receiving surface molding portion 21a. Since the inner die cutting material 3 is fixed by a magnet, the attaching operation is very easy.
FIG. 16 shows a state in which the side plate 22 is erected from the state shown in FIG.
FIG. 17 shows a state in which concrete is placed in the mold shown in FIG. The top surface of the concrete is finished with a gold iron and cured until the concrete hardens.
FIG. 18 shows a state in which the side plate 22 is inclined and the molded side groove block is pulled upward and demolded after the concrete is hardened. The outer die cutting material 4 is completely fixed to the side plate 22 and is detached from the concrete together with the side plate when the side plate 22 is opened. Since the inner die-cutting material 3 is only fixed to the inner die 21 by a magnetic force, it is removed from the mold together with the side groove block 1 while remaining in the concrete.
FIG. 19 shows a state where the inner die-cutting material 3 is taken out from the removed side groove block 1. The inner die-cutting material 3 can be taken out from the side groove block by being pulled out in the inner direction as indicated by an arrow.
The side groove block 1 can be easily manufactured by repeating FIGS.

FIG. 20 is a cross-sectional view of an essential part of the drainage road structure of the embodiment in which the road 5 is constructed by drainage pavement after the gutter block 1 is laid.
In the drainage pavement, an impermeable layer 52 made of an impermeable pavement material such as asphalt is formed on a roadbed 53, and a permeable layer 51 made of a water permeable pavement material such as porous concrete is formed thereon. . Since the water-permeable pavement material of the water-permeable layer 51 is filled in a part of the outer cutout portion 16 and the water passage hole 18, the strength of the drainage portion increases, and even if the automobile passes over the side groove, the portion of the side groove is damaged. There is almost no risk of doing so.

  FIG. 21 shows another example of the inner die cutting material 3 and the outer die cutting material 4. In this case, no protrusion is formed on the inner die cutting material 3, and the protrusion 41 is formed only on the outer die cutting material 4.

FIG. 22 shows an example in which the protruding portion 33 is formed only on the inner die-cutting material 3 and the protruding portion is not formed on the outer die-cutting material 4, contrary to FIG. 21.
As described above, the protruding portion can be provided only on one of the inner die cutting material 3 and the outer die cutting material 4.

  23 to 26 are examples in which the protruding portions 33 and 41 of the inner die cutting material 3 and the outer die cutting material 4 are formed in a disk shape. In this way, as shown in FIGS. 27 and 28, the water passage hole 18 of the side groove block is formed in a hole shape.

  In the above embodiment, the case where the side groove block is a so-called U-shaped groove has been described. However, the present invention is not limited to the U-shaped groove, and the lid receiving surface and the upright portion such as a so-called variable gradient type side groove and a culvert type side groove. It can be applied to all side grooves having

DESCRIPTION OF SYMBOLS 1 Side groove block 1a Drain part 11 Side wall 12 Bottom plate 13 Lid receiving surface 14 Standing upper part 15 Inner notch part 15a First notch part 15b Second notch part 16 Outer notch part 17 Thin part 18 Water flow hole 2 Form frame 21 Inner type 21a Lid receiving surface molding part 21b Standing upper part inner molding part 21c Standing upper part upper molding part 22 Side plate 23 Pivoting part 24 Hole 3 Inner die cutting material 31 First notch molding part 32 Second notch molding part 33 Projection part 34 Magnet 35 Bolt 36 Reinforced steel plate 4 Outer die cutting 41 Projection 5 Road 51 Water permeable layer 52 Water impermeable layer 53 Roadbed

Claims (7)

A lid receiving surface on which the lid is placed is formed on the upper portion of the side wall, and has a raised portion that stands on the outside of the lid receiving surface;
An inner notch is formed by a first notch that cuts off the lid receiving surface in a bowl shape and a second notch that is notch the inner side of the upright portion continuously to the first notch.
An outer notch that cuts the outside of the side wall corresponding to the inner notch is formed,
A thin part thinner than the upright part is formed between the inner notch part and the outer notch part,
A drainage pavement side groove block characterized in that a plurality of slit-shaped or small hole-shaped water passage holes are formed in the thin portion. A mold for molding the side groove block according to claim 1, comprising an inner die cutting material for molding the inner notch portion and an outer die cutting material for molding the outer notch portion,
The inner die-cutting material has a shape corresponding to the shape of the inner notch and a protrusion for forming the inner portion of the water passage hole on the inner surface.
The outer die-cutting material has a shape corresponding to the shape of the outer notch, and has a protrusion for forming the outer portion of the water passage hole on the inner surface,
In the assembled state of the mold, the inner die cutting material is detachably attached to a portion of the inner mold of the mold that molds the lid receiving surface, and the outer die cutting material is attached to a side plate that molds the block side surface of the mold. The drainage pavement side groove block form, wherein the inner die cutting material and the outer die cutting member are in contact with each other. A mold for molding the side groove block according to claim 1, comprising an inner die cutting material for molding the inner notch portion and an outer die cutting material for molding the outer notch portion,
The inner die cutting material has a shape corresponding to the shape of the inner notch portion, and the outer die cutting material has a shape corresponding to the shape of the outer notch portion,
A protrusion for forming the water passage hole on an inner surface of the inner die cutting material or the outer die cutting material;
In the assembled state of the mold, the inner die cutting material is detachably attached to a portion of the inner mold of the mold that molds the lid receiving surface, and the outer die cutting material is attached to a side plate that molds the block side surface of the mold. The formwork of the side groove block for drainage pavement characterized by the above-mentioned projection part contacting the inner surface of the other die cutting material.   The formwork of the drainage pavement side groove block according to claim 2 or 3, wherein the inner die cutting material is made of resin.   The drainage according to claim 4, wherein the inner die cutting material and the outer die cutting material are pressed against each other when the inner die cutting material and the outer die cutting material are in contact with each other in the assembled state of the mold. Form for side groove block for pavement.   The formwork of the side groove block for drainage pavement according to any one of claims 2 to 5, wherein the inner die cutting material is detachably attached to a portion of the inner die that receives the lid receiving surface by a built-in magnet.   A drainage comprising the gutter block according to claim 1 laid along a road and a drainage pavement constructed so as to cover the road surface, and the permeable pavement material of the drainage pavement is filled in the outer notch. Road structure.

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