JP2011047107A - Sidewalk roadway boundary block, and sidewalk roadway boundary drainage structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enhance water catchment performance to hardly generate a puddle even in heavy rain, in a sidewalk roadway boundary of a drive-in part, and to provide a barrier-free structure. <P>SOLUTION: A ditch is provided over a longitudinal-directional full length on an upper face of a sidewalk roadway boundary block in the drive-in part, a drainage ditch is provided over a longitudinal-directional full length on a bottom face, and a water flow hole is provided to be communicated with the drainage ditch from the bottom part of the ditch. The water catchment performance is enhanced by the ditch to hardly generate the puddle. The superior barrier-free structure is provided because water can be caught even without a step required conventionally. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention is a portion in which the difference in height of the pedestrian road boundary is set low to facilitate crossing of pedestrians at intersections and pedestrian crossings, and the height of the pedestrian road boundary mainly to facilitate crossing of vehicles such as entering and exiting a garage. The present invention relates to a pedestrian road boundary block constructed in a portion where the difference is set low (hereinafter, these portions are referred to as “entrance portions”), and a pedestrian boundary drainage structure constructed using the pedestrian boundary block.

FIG. 19 is a cross-sectional explanatory view of the conventional most common pedestrian road boundary structure in the entrance section. A walking road boundary block 51 is laid on the base 19 (block, ground concrete, crushed stone, etc.) between the sidewalk and the road, and apron 12 (block or ground concrete) is laid on the side of the road adjacent to this. The
There is a step 52 between the apron 12 and the carriageway boundary block 51, and rainwater flows along this step into a nearby drainage facility (such as a catchment). However, if the water gradient from the apron to the drainage facility is not sufficient, or there is a dent on the apron surface, there is a problem that rainwater accumulates on the apron and hinders pedestrian traffic.

The following Patent Document 1 is proposed in order to solve the above problems.
As shown in FIGS. 20 and 21, a drainage channel 66 is provided inside, and a walking path boundary block 61 in which water passage holes 65 extending from the surface to the drainage channel are provided at predetermined intervals is laid between the walking paths. A drain pipe or the like is connected from the drainage channel 66 to a nearby drainage facility for drainage.
A step 64 is provided along the length direction on the surface of the walking road boundary block 61, and rainwater that has fallen on the sidewalk and the road flows into the step 64 portion from the slopes 62 and 63, and flows along the step 64. It flows into the drainage channel 66 inside the walkway boundary block from the water passage hole 65 and flows into the drainage facility through the drainage channel.

Japanese Patent No. 4080269

The pedestrian road boundary block of Patent Document 1 is provided with slit-like water passage holes 65 that are long in the width direction, so that the water collection performance is not sufficient, and it is not possible to collect the amount of rainfall (when the amount of rainfall is collected). There was a possibility that water would collect in the vicinity of the step 64 when the amount of water exceeded.
Further, the pedestrian boundary block of Patent Document 1 has a difficulty in manufacturing (particularly, installation and demolding of the core) because the drainage channel 66 must be formed through a relatively small cross section, and the manufacturing cost is low. There was a problem that became high.
Further, as described above, a step is indispensable in order to guide rainwater that has fallen on the road to the drainage facility or the water passage hole at the boundary of the conventional pedestrian road.
This step makes it difficult for wheelchairs to pass through and may cause accidents such as whispering passers-by.

An object of the present invention is to improve water collecting performance and make it difficult to form a puddle even during heavy rain.
It is another object of the present invention to make it possible to manufacture such a pedestrian boundary block of the entrance portion easily and at low cost.
Furthermore, the present invention eliminates a step as necessary at the boundary of the pedestrian road of the entrance section, facilitates wheelchair traffic, prevents the passerby from scolding, and even if there is no step, a visually impaired person can It is also an object to realize an excellent barrier-free function that can easily identify the pedestrian road boundary.

  The present invention has a groove extending over the entire length in the length direction on the upper surface, and a footpath side upper surface is formed on the sidewalk side with the groove as a boundary, and a roadway side upper surface is formed on the roadway side. A pedestrian boundary block having a groove and a water passage hole communicating from the bottom of the groove to the drainage groove. (Claim 1)

There is a groove over the entire length in the upper surface, and the sidewalk side upper surface is formed on the sidewalk side, and the roadway side upper surface is formed on the roadway side. Or it flows into the groove directly from the upper surface on the roadway side. Since the groove is formed over the entire length in the length direction, the water collecting performance is excellent, and it is difficult to form a puddle even during heavy rain.
Rainwater that has flowed into the groove flows into a drainage groove inside the block through a water passage hole that opens at the bottom of the groove, and is drained.
In the present invention, the “length direction” is a direction parallel to the boundary line of the sidewalk or the roadway, and the “width direction” is a direction perpendicular thereto (a direction in which the sidewalk and the roadway face each other).

In the present invention, the exposed width of the groove (width w of the upper end of the groove; FIG. 4) is preferably 10 to 20 mm. (Claim 2)
If the exposed width of the groove is less than 10 mm, the water collecting performance may be deteriorated, and if it exceeds 20 mm, the heel of the high heel may enter, which may hinder pedestrian walking. Is appropriate.

In the present invention, an inclined surface that descends toward the groove is formed on the sidewalk-side upper surface, and the inclination of the inclined surface can be 15% or less and the height difference can be 20 mm or less.
By forming an inclined surface on the upper side of the sidewalk, rainwater on the sidewalk efficiently flows into the groove.
If the slope of the inclined surface on the sidewalk is 15% or less and the height difference is 20 mm or less, it is easy to ride on the sidewalk from the roadway with a wheelchair, and there is no fear of pedestrians being excellent. Barrier free. Moreover, the visually impaired person can easily identify the pedestrian boundary with the white cane by the groove over the entire length in the longitudinal direction provided on the upper surface of the pedestrian boundary block.
In addition, when constructing in the part into which a car enters, the height difference of the sidewalk side upper surface can be made into about 50-70 mm, and the inclination of an inclined surface can be made into about 15-40%.
In order to increase the collection efficiency of rainwater on the roadway side, it is desirable that the upper surface on the roadway side is also an inclined surface that descends toward the groove. The inclination of the upper surface of the roadway side is appropriately about 0 to 6% in accordance with the inclination of the roadway or the apron.

In the present invention, the height difference t between the sidewalk side upper end P and the roadway side upper end Q of the groove 4 is preferably 3 mm or less. (Claim 4)
If the height difference t between the sidewalk side upper end P and the roadway side upper end Q is 3 mm or less, the groove portion does not substantially have a step. Moreover, the visually impaired person can easily identify the pedestrian boundary with the white cane because of the groove, so that the barrier is excellent.

In this invention, the penetration groove | channel of the width direction from the said drainage groove to the sidewalk side surface can be formed in a block bottom face. (Claim 5)
Thereby, the rainwater which flowed into the drainage ditch can be infiltrated into the ground under the sidewalk, and the land subsidence due to the urban flood and the decrease in the groundwater level can be suppressed.
Since the permeation groove opens on the side surface of the block, there is little possibility that the permeation performance is lowered by mud contained in rainwater. Further, since it is open on the bottom surface, it can be easily formed.

According to the present invention, the block according to any one of claims 1 to 5 is continuously provided on a base between the sidewalk and the roadway, and the upper surface of the sidewalk / roadway and the upper surface of the block are at the same height at the boundary between the sidewalk / roadway and the block. A pedestrian boundary drainage structure characterized in that a space surrounded by the drainage groove and the base is formed as a drainage hole, and a drainage pipe communicating from the base in the drainage hole to a nearby drainage facility is provided. is there. (Claim 6)
The drainage groove of the pedestrian road boundary block is open on the bottom surface, but by laying the block on the base, the space surrounded by the drainage groove and the base becomes a cylindrical drainage hole.
The base can be a concrete block, cast-in-place concrete, or the like.
Rainwater in the drainage hole is drained to the drainage facility by a drainage pipe that communicates from the base in the drainage hole to the nearby drainage facility.
Drainage facilities such as water collection tanks and sewer pipes may be used, or existing ones may be used.

In the present invention, the base can be made permeable. (Claim 8)
By making the base water-permeable, rainwater in the drainage hole can penetrate into the ground, and land subsidence due to urban flooding and groundwater level reduction can be suppressed.
Permeable foundations can be porous concrete, crushed stone industry, split chestnut industry, etc.

The pedestrian boundary block and the pedestrian boundary drainage structure of the present invention have excellent water collection performance because rain that has fallen on the sidewalk and the roadway flows directly into the groove from the upper surface of the sidewalk or the upper surface of the roadway. Hateful.
Since the drainage groove and the permeation groove are open on the bottom surface of the block, the block can be manufactured easily and at low cost.
In addition, since the steps can be substantially eliminated if necessary, it is possible to provide an excellent barrier-free property, facilitate wheelchair traffic, and reduce the risk of pedestrians being ugly. Moreover, the visually impaired person can easily identify the pedestrian boundary with the white cane by the groove over the entire length in the longitudinal direction provided on the upper surface of the pedestrian boundary block.

It is a top view of the walking path boundary block 1 of an Example. It is a side view side view of the walking path boundary block 1. It is a right view of FIG. FIG. 4 is an enlarged cross-sectional view of a groove 4. FIG. 6 is an enlarged cross-sectional view of packing 8. It is the sectional view on the AA line of FIG. It is the BB sectional view taken on the line of FIG. It is a top view of the walking path boundary block 11 of an Example. It is a top view of the pedestrian road boundary drainage structure of an Example. It is CC sectional view taken on the line of FIG. FIG. 10 is a sectional view taken along line D-D in FIG. 9. It is the EE sectional view taken on the line of FIG. It is F direction arrow explanatory drawing of FIG. It is a top view of the pedestrian road boundary drainage structure of an Example. It is sectional explanatory drawing of the pedestrian road boundary drainage structure of an Example. It is a side view of the walking path boundary block 21 of an Example. It is a side view of the walkway boundary block 31 of an Example. It is a side view of the walking path boundary block 41 of an Example. It is explanatory drawing of the conventional pedestrian road boundary structure in a boarding part. It is a top view of the conventional pedestrian road boundary block in a boarding part. It is the GG sectional view taken on the line in FIG.

1 to 7 relate to the walking road boundary block 1 of the embodiment.
The pedestrian boundary block 1 is a slightly thick plate having a length of about 600 mm, a width of 300 mm, and a height of 170 mm on the sidewalk, and a groove 4 is formed over the entire length in the length direction closer to the roadway than the center of the upper surface. ing.
Further, on the upper surface, a sidewalk side upper surface 2 is formed on the sidewalk side with the groove 4 as a boundary, and a roadway side upper surface 3 is formed on the roadway side. The sidewalk side upper surface 2 is mostly an inclined surface that descends toward the groove 4, and the sidewalk side is the narrow horizontal surface 9 for convenience of compaction during construction of the sidewalk pavement. . The roadway side upper surface 3 is also an inclined surface that descends toward the groove 4.
A drainage groove 6 is formed on the lower surface of the block 1 over the entire length in the length direction.
Further, two slit-like water passage holes 5 that are communicated with the drainage groove 6 from the bottom of the groove 4 in the length direction are provided. The number of water holes is not limited to two, and may be one or three or more.
Furthermore, two penetration grooves 7 in the width direction from the drainage groove 6 to the side surface on the sidewalk are provided on the bottom surface. The number of penetration grooves is not limited to two, and may be one or three or more.

  The groove 4 has a trapezoidal cross section, an exposed width w = 15 mm, a depth of 6 mm, and a height difference t between the sidewalk side upper end P and the roadway side upper end Q is 1 mm (FIG. 4).

  The slope of the slope 2 on the sidewalk side upper surface 2 is 12%, the height difference is 20 mm, and the surface has fine non-slip irregularities. Such anti-slip may be formed as necessary, and may not be formed in some cases.

  The slope of the upper surface 3 on the roadway side is 1%. The slope on the upper surface of the roadway is preferably about 0 to 6% according to the apron or the slope of the roadway.

  Since the water passage hole 5 is provided substantially vertically and becomes wider toward the lower side (FIG. 7), the drainage capacity can be maximized and clogging with dust or the like can be prevented.

  The permeation groove 7 has a vertically long slit shape (FIGS. 2 and 7) and is open on the side of the block on the side of the sidewalk, so that there is little possibility that the permeation performance is deteriorated due to mud contained in rainwater. The shape of the permeation groove is not limited to a vertically long slit shape, and various shapes can be adopted.

On one end face in the connecting direction of the block 1, for example, a packing 8 is provided in an inverted U shape surrounding the drainage groove 6 (FIGS. 3 and 5).
The packing 8 is made of butyl rubber which is easily deformed as an application example, and is bonded and fixed to a reverse U-shaped shallow notch groove (depth of about 1 mm) formed on the block end face. With the blocks connected, the interval between the blocks (joint interval) should be about 6 mm as a standard. It is desirable that the amount of protrusion of the packing 8 from the block end face is slightly larger than the joint spacing. The packing 8 can prevent the joint mortar injected into the connection joint from entering the drainage groove.
The amount of protrusion of the packing 8 from the end face of the block may be appropriately changed according to the joint spacing. For example, when the blocks are connected at an angle in curve construction, it may be 10 mm or more.

  Pedestrian road boundary block 1 is constructed in a section where the difference in height of the pedestrian road boundary is set low to facilitate crossing of pedestrians at intersections and pedestrian crossings. Easy and excellent barrier free. When constructing in a car entry part, the height difference of the sidewalk side upper surface may be increased to about 40 to 50 mm.

FIG. 8 is a plan view of the walking road boundary block 11 of the embodiment.
This block is obtained by bending the pedestrian road boundary block 1 so as to be suitable for curve construction, and the other configuration is exactly the same as the block 1.

FIGS. 9 to 13 show a case where a renovation work is performed in which the existing pedestrian boundary block at the intersection is replaced with the pedestrian boundary boundary block of the present invention, regarding the pedestrian boundary drainage structure of the embodiment.
The existing pedestrian road boundary block and apron are removed, and the base 19 (on-site concrete or concrete block) is constructed. At this time, a drain pipe 18 (vinyl chloride pipe or the like) for draining the water in the drain groove 6 of the block 1 is embedded from the upper surface of the base 19 to the nearby water collecting basin 17 (FIGS. 11 and 13).
Next, the pedestrian road boundary blocks 1 and 11 of the embodiment are continuously provided on a base 19 through a mortar (not shown). The straight portion uses the above-described pedestrian road boundary block 1 and the curved portion uses the above-mentioned pedestrian road boundary block 11.
Next, apron 12 is constructed with cast-in-place concrete, and the sidewalks and roadway pavements are repaired to complete the construction.

At the boundary between the sidewalk / roadway and the blocks 1 and 11, the upper surface of the sidewalk pavement / roadway (apron) and the upper surface of the blocks 1 and 11 are the same height (FIGS. 10 and 11).
A space surrounded by the drainage grooves 6 and the base 19 of the blocks 1 and 11 functions as a cylindrical drainage hole (FIGS. 10 and 11).

The rain that falls on the sidewalk and the roadway flows directly into the groove 4 from the sidewalk side upper surface 2 or the roadway side upper surface 3. Since the groove 4 is formed over the entire length in the longitudinal direction, the water collecting performance is excellent, and a puddle is hardly formed even in heavy rain.
Rainwater that has flowed into the grooves 4 of the blocks 1 and 11 flows into the drainage grooves 6 (drainage holes) inside the block from the water passage holes 5 that open to the bottom of the grooves 4, and further into the water collecting basin 17 through the drainage pipe 18. Drained.
Moreover, the water in the drainage groove 6 (drainage hole) permeates into the ground on the sidewalk side from the penetration groove 7 (FIG. 11).

Reference numeral 13 in the figure is an L-shaped block for devaluation (the boundary portion is slanted; FIG. 13), and an existing block can be reused.
Reference numeral 14 in the figure is an L-shaped block with a grating 16 and is an existing one.
The drainage basin 17 and the L-shaped block 15 (basic shape) are also existing.

FIG. 14 is a plan view of the pedestrian boundary drainage structure of the embodiment, and shows a case where a renovation work is performed in which the curved portion at the intersection is existing and the straight portion is replaced with the pedestrian boundary block 1 of the present invention. .
The existing water collecting basin 17 is in the existing part 20 (curved part), and as shown in the figure, the drain pipe 18 is connected to the water collecting basin 17 from the base of the bottom of the block 1 drainage groove for draining.

9-14, when the existing apron is a concrete block, the existing block can be reused as the apron 12 for repair work. By doing in this way, industrial waste can be reduced and construction costs can be reduced. In some cases, an apron is not required.
Since the length (about 600 mm) of the pedestrian road boundary blocks 1 and 11 is the same as that of the existing block, it is not necessary to cut the length in accordance with the site, and the noise vibration when the block is cut at the site is reduced. The on-site work environment and the surrounding environment are improved, such as the suppression of dust generation.

FIG. 15 shows an example in which the base 19 ′ is a water-permeable crushed stone industry.
Thereby, the water in the drainage groove 6 (drainage hole) becomes the base 19 '.
Therefore, it can penetrate into the ground below and suppress subsidence due to urban flooding and groundwater level drop.

  Although the above embodiment of the walking road boundary drainage structure has been described in the case of renovation work, it is of course possible to implement it in new construction work.

  16 to 18 are examples of pedestrian road boundary blocks having other side shapes. In these embodiments, the configuration of the groove 4, the water permeable hole 5, the drainage groove 6, and the permeation groove 7 is the same as that of the pedestrian road boundary block 1 described above.

The pedestrian road boundary block 21 in FIG. 16 has a step 24 near the groove 4 on the sidewalk-side upper surface 22, and the sidewalk side is more horizontal than the step 24. The height difference H (level difference of the step 24) on the sidewalk side upper surface 22 is suitably about 10 to 20 mm for pedestrian crossing parts (intersections, crosswalks, etc.) and about 50 to 70 mm for car entry parts. By this step, a visually impaired person can easily recognize the pedestrian road boundary with a white cane.
In the present invention, the step means a steeply inclined portion having an inclination of 50% or more.
The roadway-side upper surface 23 is a horizontal surface or an inclined surface that descends toward the groove 4 having an inclination of 6% or less.

The walking road boundary block 31 in FIG. 17 has a step 34 in the vicinity of the groove 4 on the sidewalk-side upper surface 32, and the sidewalk side of the step 34 is an inclined surface that descends toward the groove 4. In the case of a pedestrian crossing, it is appropriate that the height difference H of the sidewalk side upper surface 32 is about 20 mm, the height difference h of the step 34 is about 10 mm, and the inclination of the inclined surface is about 5 to 15%. In the case of a vehicle entry part, the height difference H of the sidewalk side upper surface 32 can be about 40 to 50 mm, the height difference h of the step 34 can be about 10 mm, and the slope of the inclined surface can be about 20 to 40%.
The roadway side upper surface 33 is a horizontal surface or an inclined surface that descends toward the groove 4 having an inclination of 6% or less.

The pedestrian road boundary block 41 in FIG. 18 is for a vehicle entry part, and has a step 44 near the groove 4 on the sidewalk side upper surface 42, and the sidewalk side of the step 44 is an inclined surface that descends toward the groove 4. The side of the sidewalk has a rounded chamfer. The height difference H of the side surface 42 on the sidewalk is about 50 mm, the height difference of the step 44 is 20 mm, and the slope of the inclined surface is about 15 to 20%.
The roadway side upper surface 43 is a horizontal surface or an inclined surface that descends toward the groove 4 having an inclination of 6% or less.

  In the present invention, when it is not necessary to allow rainwater to permeate the ground, the permeation grooves 7 of the pedestrian road boundary blocks 1, 11, 21, 31, 41 are not required. A block having a permeation groove and a block without the permeation groove can be manufactured by using the same mold and attaching and detaching an attachment forming the permeation groove.

DESCRIPTION OF SYMBOLS 1 Walkway boundary block 2 Sidewalk side upper surface 3 Roadway side upper surface 4 Groove 5 Water passage hole 6 Drainage groove 7 Penetration groove 8 Packing 9 Horizontal surface 11 Pedestrian road boundary block 12 Apron 13 L-shaped block 14 L-shaped block 15 L-shaped block 16 Grating 17 Drainage basin 18 Drain pipe 19 Base 20 Existing part 21 Pedestrian side boundary block 22 Sidewalk side upper surface 23 Roadside side upper surface 24 Step 31 Pedestrian side boundary block 32 Sidewalk side upper surface 33 Roadway side upper surface 34 Level difference 41 Pedestrian side boundary block 42 Sidewalk side Upper surface 43 Road surface upper surface 44 Step 51 Pedestrian boundary block 52 Step 61 Pedestrian boundary block 62 Slope 63 Slope 64 Step 65 Water passage 66 Drainage channel

Claims (8)

The upper surface has a groove extending over the entire length in the length direction, and the upper side of the sidewalk side is formed on the sidewalk side, and the upper surface of the roadway side is formed on the roadway side.
On the bottom, it has a drainage groove that spans the entire length.
A walkway boundary block having a water passage communicating with the drainage groove from the bottom of the groove.   The walkway boundary block according to claim 1, wherein an exposed width of the groove is 10 to 20 mm.   The walking according to claim 1 or 2, wherein an inclined surface descending toward the groove is formed on the upper surface of the sidewalk side, the inclination of the inclined surface is 15% or less, and the height difference is 20 mm or less. Roadway boundary block.   The pedestrian boundary block according to any one of claims 1 to 3, wherein a height difference between a sidewalk-side upper end P and a roadway-side upper end Q of the groove is 3 mm or less.   The pedestrian boundary block according to any one of claims 1 to 4, further comprising a penetration groove in a width direction extending from the drainage groove to a sidewalk side surface on the bottom surface. A block according to any one of claims 1 to 5 is arranged on the base between the sidewalk and the roadway,
At the boundary between the sidewalk / roadway and the block, the upper surface of the sidewalk / roadway and the upper surface of the block are formed at the same height,
A pedestrian boundary drainage structure characterized in that a space surrounded by the drainage groove and the base is used as a drainage hole, and a drainage pipe communicating from the base in the drainage hole to a nearby drainage facility is provided.   The pedestrian boundary drainage structure according to claim 6, wherein the block is a block according to claim 5, and water in the drainage hole penetrates into the sidewalk side ground from the penetration groove.   The pedestrian boundary drainage structure according to claim 6 or 7, wherein the base is water-permeable.

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