JP2003074008A - Boundary block for draining type pavement - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a boundary block for a sidewalk-roadway boundary block or an L-shaped channel block having a draining structure to be used at a boundary part, which is capable of easily and correctly draining water from a paved surface in rain or the like, and which is of excellent workability and easy manufacture. SOLUTION: A cut recess 10 is formed to be protruded on the other side having a small lock part 11 in a bottom surface of an inverted T-shaped sidewalk-roadway boundary block with foundation or an L-shaped channel block. One to several through holes 12 communicated with the recess 10 are provided in side surfaces, or water collecting grooves 13 are provided in both end surfaces in a block length direction on one surface side or both surface sides to form a boundary block provided with water passages to be applicable to draining type pavement.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a pedestrian road boundary block and an L-shaped gutter block, and relates to a drainage pavement or a water-permeable pavement for collecting or infiltrating rainwater,
A pedestrian road boundary block or L-shaped gutter block with a drainage structure used at the boundary allows easy and accurate drainage from the pavement surface during rain, etc., excellent workability, easy manufacture, and low cost Boundary blocks.

[0002]

2. Description of the Related Art When a pool of water occurs on a road surface such as during rain, the traveling vehicle slips and splashes water, and diffuse reflection due to lights causes the vehicle to drive safely and pedestrians to walk on the sidewalk. In order to smoothly drain water on the road surface, a porous water-permeable structure 17 having a porous upper surface and a water-impermeable structure 18 at the lower portion are formed.
The drainage pavement 15 consisting of two layers has come to be used, and in order to quickly collect rainwater that has penetrated into this pavement into the drainage structure installed on the road shoulder, Some sort of ingenuity has been made. That is, as a drainage structure installed at the site, as shown in FIG. 11, a spiral pipe 28 is embedded in the lower part of the boundary between the rolled-up concrete portion 26 of the pedestrian road boundary block 9 and the drainage pavement 15, and water from the drainage pavement 15 is embedded. That accepts in the pipe and Fig. 1
As shown in 2, a drain metal fitting 29 of inverted U shape or skeleton shape having several openings 30 on the drainage pavement side and the upper part where the concrete nails 31 are driven into the impermeable layer 18 and fixed to the same boundary as above. In general, it is common practice to receive water from the drainage pavement 15 and surplus water 24 that cannot be completely permeated by the drainage pavement 15 in a heavy rain.

Further, in Japanese Patent Laid-Open No. 2000-345508, for convenience of construction, a pedestrian road boundary block or an L-shaped gutter block is formed with a water channel which is cylindrical or has an open bottom and is covered with a base concrete. It has been announced that it has a function of draining water from drainage pavement through a plurality of through holes continuously provided in the water channel in the longitudinal direction of the block.

[0004]

[Problems to be Solved by the Invention] Drainage pavements that require voids have weaker strength than asphalt pavements with a dense structure, and have difficulty in durability such as being easily rutted by running vehicles. Has the drawback of increasing
Since the spiral pipe or the inverted U-shaped drain metal fitting shown in FIG. 12 needs to be replaced each time the repair work is performed, it is inevitable that the cost for the construction will increase.

Further, it is weak in strength to form a cylindrical communicating water channel in a member having a thin thickness such as the pedestrian road boundary block or the L-shaped gutter block disclosed in Japanese Patent Laid-Open No. 2000-345508. It is also very difficult to manufacture, and the method is to place steel cylinders inside the formwork, wrap a soft vinyl cylinder around it to make it double, and then place concrete, and after hardening. It will be released from the mold. The work involves first pulling out the tubular material, and then pulling out the vinyl tube, which is time-consuming and makes it impossible to form a water channel with a uniform diameter in the extension direction. It is easy to cause a decrease in drainage capacity, and it is difficult to clean the inside of the waterway, which is disadvantageous in that it takes time and labor. Further, even if the tubular member is divided at the center and a gradient is provided to facilitate extraction, there is a similar problem and it is difficult to solve. Further, a block with an open bottom has been proposed, but since it is installed on a base concrete that is uneven in thickness with a trowel during construction and the thickness is not uniform, just laying a mortar will block the block. The effect of completely stopping the water in the gap of the base concrete cannot be expected, and conversely, if an adhesive is used to prevent water leakage, there are major drawbacks in that it requires a lot of construction work and is expensive.

[0006]

DISCLOSURE OF THE INVENTION The present invention has been studied to solve the above-mentioned problems in the prior art, and a drainage structure capable of easily and accurately draining water from a pavement surface during rainfall or the like. The present invention succeeds in constructing a boundary block that has the following features, is excellent in workability, is easy to manufacture, and is low in cost, and is as follows.

(1) A convex cut-in concave portion provided with a small locking portion on the bottom surface of a pedestrian road boundary block or an L-shaped gutter block in which a base concrete for installation and a rolled-up concrete are integrally formed to improve strength. A boundary block with a water channel corresponding to drainage pavement, characterized in that a plurality of through holes continuously provided in the longitudinal direction of the block are provided as introduction holes communicating with the recesses, or a water collecting groove is provided on the end face side in the longitudinal direction of the block.

(2) At the intersection of the overhanging portion of the pedestrian road boundary portion or the L-shaped gutter portion, one to several slit portions or both ends of the block in the longitudinal direction of the block are provided with water collecting grooves so as to communicate with the cut recesses. The boundary block with a water channel according to the item (1), wherein excess water, which cannot be completely permeated by the drainage pavement during heavy rain, is guided to the concave portion through the slit portion or the water collecting groove to perform smooth drainage treatment.

(3) Due to the convex cut concave portion formed on the bottom surface of the block and the introduction hole communicating with this concave portion, rainwater and the like flowing down to the road shoulder by the drainage pavement is guided to the concave portion through the introduction hole, By installing a U-shaped gutter made of steel material, stainless steel material, rubber, or plastic material that is smoother than the concrete surface and is easy to flow in the small locking part of the recess, the cross-section of water can be increased and Boundary block with a waterway according to item (1) or (2), which can be smoothly drained without leakage and can be continuously maintained.

With this construction, the block has a bottom surface formed into a convex cut-in concave portion having a small locking portion,
It is easy to manufacture and low cost, and it is possible to easily and accurately drain water from the pavement surface by simply installing the block with the U-shaped gutter installed in the drainage pavement. The flow rate can be secured as well as the saving of time and construction period.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A concrete embodiment of the present invention as described above will be described with reference to the accompanying drawings.

FIG. 1 is a pedestrian road boundary block 1 according to the present invention.
FIG. 12 is a perspective view showing the conventional pedestrian road boundary block 9 as shown in FIG. 11, in which a base concrete portion 27 for installation of the bottom portion and a winding stop concrete 26 for reinforcement of the lower side portion are integrally formed and reinforced. , A convex notch 10 provided with a small locking portion 11 on the bottom surface of the block
Is formed, decorative joints 14 are provided on both ends in the longitudinal direction of the pedestrian road boundary portion 21, and a plurality of through holes 12 are continuously provided in the longitudinal direction from the side wall of the overhanging portion 22 toward the recess 10. This makeup joint 14 may not be provided in a construction method in which blocks are installed with a gap of about 10 mm between them and mortar is interposed.

The cut-in recess 10 has an arched shape in which the lower part of the semicircle is lengthened in consideration of manufacturing and demolding. However, it is not possible to form it into a skeleton or another shape as shown in FIG. Of course, it goes without saying that the size of the cross section of the cut recess may be changed according to the required amount of drainage.

Instead of the through holes, the water collecting groove 1 communicating with the recess 10 on the longitudinal end face side of the block 3 as shown in FIG.
3 can also be formed. Of course, it goes without saying that these may be used in combination.

As shown in FIG. 2, the through hole 12 or the water collecting groove 13 is provided with a recess 10 for collecting rainwater or the like from the drainage pavement 15 on the road side.
Since it is an introduction hole for leading to, the lowermost part of the road surface of the introduction hole is preferably flush with the upper surface of the impermeable layer 18. Further, as shown in FIG. 3, the water-permeable pavement 1 is provided on the sidewalk opposite the roadway side.
Excessive water such as rainwater that cannot penetrate underground beyond 6
It is also possible to additionally form a through hole 12 for guiding 4 to the recess 10.

Further, as shown in FIG. 5, the surplus water 24 which cannot be completely permeated by the drainage pavement 15 in the case of heavy rain has a slit portion 23 which communicates with the recess 10 from the intersection of the pedestrian road boundary portion 21 and the overhang portion 22. By providing several pieces, the wastewater can be smoothly guided to the recess 10.

FIG. 2 shows a pedestrian road boundary block 1 shown in FIG.
Is installed. A crushed stone 19 is laid on the roadbed, and a small locking portion 11 formed in the convex cut recess 10 on the bottom is rust-proofed steel or stainless steel, or a U-shaped rubber or plastic material. Gutter 20
Install the pedestrian road boundary block 1 with the
The impermeable layer 18 is formed so that the lowermost part of the road surface is located at the upper surface height of the impermeable layer 18, and the impermeable layer 17 is formed on the impermeable layer 18 so that the surface thereof is flush with the upper surface of the block overhanging portion 22. This is an example of drainage pavement that is a flat sidewalk that is the same as the roadway surface.

Although not shown in the drawing, around the cut recesses 10 between the blocks and the U-shaped trough 20, a thickness of 10 to 15 mm is provided as a leak preventive for smoothly draining rainwater and the like. By installing packing made of various materials such as sponge, it is possible to stop water around the water channel part of the block end surface.

FIG. 3 shows the pedestrian road boundary block 1 shown in FIG.
It shows another example of the installation state of the sidewalk side 2
It is a cross-sectional view of a semi-flat barrier-free walkway with a water-permeable pavement 16 raised up to about 5 cm, and a through hole 12 is formed in the side surface to collect excess water 24 that cannot penetrate from the walkway. It is provided continuously in a plurality of directions. By forming the water-permeable pavement layer 16 so that the lowermost part of the sidewalk surface of the through hole 12 is located on the lower surface of the water-permeable layer 17,
Rainwater or the like passes through the through hole 12 and is drained to the convex cut recess 10 formed on the bottom surface.

FIG. 4 shows still another example of the pedestrian road boundary block 2 used for a semi-flat sidewalk as in FIG. 3, and in order to prevent the block 3 from moving due to earth pressure on the roadway side, FIG. The overhanging portion 22 facing the sidewalk of the pedestrian road boundary block 1 shown in Fig. 3 is formed to be low so as to resist the overloaded load. Even if a paving flat plate is laid on the sidewalk, the flat plate foundation is used. It is suitable because it does not disturb the formation of Further, the pedestrian road boundary portion 21 and the overhanging portion 22 on the roadway side.
The slit portion 23 is formed to lead from the intersection to the convex cut-in concave portion 10 on the bottom surface. As shown in FIG.
The structure is such that it is guided to the convex cut recess 10 formed on the bottom surface.

FIG. 6 is a block 4 having a structure different from that of the pedestrian road boundary block 1 shown in FIG. 1, in which the upper surfaces of the left and right overhanging portions 22 are slightly lowered and are inclined downward so as to be lowered to the outside. FIG. 3 is a perspective view of a block in which a through hole 12 and water collecting grooves 13 at both ends are formed from an intersection of a pedestrian road boundary portion 21 and an overhanging portion 22 toward a convex cut recess 10 on the bottom surface.

FIG. 7 shows that the rainwater collected has been infiltrated into the ground in order to alleviate the reduction of groundwater and the heat island phenomenon, which have become a problem in urban areas in recent years. This is an example for lowering the temperature of. Pedestrian Border Block 4 shown in FIG.
Was installed on a flat sidewalk where the roadway and the sidewalk surface are the same height, with the convex cutout recesses 10 on the bottom open, and the collected rainwater penetrates the roadbed and roadbed, Is to be kept water.

Next, the L-shaped gutter block will be described.
8 to 10 are perspective views in which a drainage function similar to that of the pedestrian road boundary block shown in FIGS. 1 to 7 is formed in the L-shaped gutter block, and FIG. 8 is an apron portion of the L-shaped gutter block 6. 25 is shortened to form a convex cut recess 10 having a small locking portion 11 on the bottom surface and a through hole 12 extending from the end of the apron 25 to the recess 10.

Further, FIG. 9 has the same shape as that of FIG. 8, and a slit portion 23 directed to the recess 10 is provided at an intersection of the L-shaped gutter portion of the block, and longitudinal end faces from the end of the apron 25 to the recess 10. The water collecting groove 13 is formed.

Further, FIG. 10 shows a shape in which the apron portion 25 is widened, and similarly, the concave portion 10 on the bottom surface is formed into the apron 25.
The width is widened so as to hang on the bottom surface, and a notch-shaped concave portion 10 having a skeleton shape is formed. As described above, it is needless to say that the cut recess may have a small width depending on the amount of rainwater treated.

The through hole 12 and the water collecting groove 13 or the slit portion 23 shown in the pedestrian road boundary block and the L-shaped gutter block in each of the above examples have a size, a shape,
It goes without saying that there is no limitation on the number, both sides, one side, etc., and various combinations may be used to form a water guiding structure according to the purpose.

The shape of the cut recess 10 on the bottom surface of the block may be any one of a semicircle, an arch, a triangle, a quadrangle, and a pentagon, and a small locking provided on the cut recess 10. Since the U-shaped gutter 20 installed in the part 11 is for smooth drainage of drainage, it does not need to be installed when rainwater permeates and retains subgrades and subgrades for groundwater recharge and heat island measures. . Further, the makeup joint 1 formed at both longitudinal end portions of the pedestrian road boundary portion 21.
It is obvious that 4 is not limited in size, shape and mounting location, and may be mounted on the L-shaped side groove block.

[0028]

[Effects of the Invention] When a road surface is formed by a water-permeable layer such as a drainage pavement on a roadway or a water-permeable pavement on a sidewalk, simply by installing the block at the boundary, a drainage structure such as a metal fitting or a gutter is provided near the block. It is possible to collect rainwater, snowmelt water, etc. from the pavement effectively and efficiently without providing any space, and to make it longer than the conventional boundary block. Since the strength is increased, the stability is also increased, and the manufacturing is easy and low cost, the work can be simplified, the repair work cost of the pavement work can be reduced, and the construction period can be shortened. Furthermore, it is an invention that has great economic and industrial effects as it helps recharge groundwater and solve the heat island phenomenon, which has become a problem in urban areas in recent years.

[Brief description of drawings]

FIG. 1 is a perspective view showing a block of a representative example of the present invention.

FIG. 2 is a cross-sectional view showing an example of an on-site construction state of the block shown in FIG.

FIG. 3 is a cross-sectional view when collecting water from the sidewalk of the one shown in FIG.

FIG. 4 is a modified perspective view of the one shown in FIG.

5 is a cross-sectional view showing an example of the construction state of the block shown in FIG. 4 on site.

FIG. 6 is a further modified perspective view of the one shown in FIG.

FIG. 7 is a cross-sectional view showing a modified example of that shown in FIG.

FIG. 8 is a perspective view of an L-shaped gutter block according to another embodiment of the present invention.

FIG. 9 is a modified perspective view of the one shown in FIG.

FIG. 10 is a further modified perspective view of that shown in FIG.

FIG. 11 is a cross-sectional view showing an example of a conventional construction state provided at the boundary of a walkway.

FIG. 12 is a cross-sectional view showing another construction example of the one shown in FIG.

[Explanation of symbols]

1-5 Pedestrian Border Block 6-8 L-shaped gutter block 9 Conventional walkway boundary block 10 Convex notch 11 Locking part 12 through holes 13 water collection ditch 14 Makeup joints 15 Drainage pavement 16 Water-permeable pavement 17 permeable layer 18 impermeable layer 19 Crushed stone 20 U type gutter 21 Pedestrian Boundary 22 Overhanging part 23 Slit part 24 surplus water 25 Apron Department 26 rolled concrete 27 base concrete 28 spiral tube 29 Drain bracket 30 openings 31 Fixing member

Claims (3)

[Claims] 1. An inverted T-shaped pedestrian road boundary block with a foundation or an L-shaped gutter block is provided with a convex cut-in concave portion provided with a small locking portion on the bottom surface thereof, and one or a few of them which communicate with the concave portion are formed on the side surfaces. A boundary block with a water channel corresponding to drainage pavement, characterized in that a water collection groove is provided on one side or both sides of the through hole or the end face in the longitudinal direction of the block. 2. One to several slits or water collecting grooves are provided at both ends of the block in the longitudinal direction at the intersection of the overhanging portion of the pedestrian road boundary portion or the L-shaped gutter portion so as to communicate with the recessed portion. The boundary block with a waterway according to claim 1, wherein the boundary block is a waterway. 3. A water channel is formed by arranging a U-shaped gutter made of a steel material, a stainless material, a rubber material, or a plastic material, which has a thickness of 1 to several mm and which has been subjected to anticorrosion treatment, at the engaging portion of the cut recess. The boundary block with a waterway according to claim 1 or 2, characterized in that.