JP2006257739A - Water channel block with curbstone, and drain structure of paved road surface using the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a water channel block with a curbstone capable of preventing a paved road surface from being contaminated by a sediment discharge operation by suppressing the blow of sediment during the sediment discharge operation and a drain structure of a paved road surface using the water channel block. <P>SOLUTION: This water channel block with the curbstone comprises a water channel block body 2 in which a drain passage 2b passed therethrough in the longitudinal direction is formed and a water collecting passage 4 having an opening in its upper surface part 2a to take water content flowing on the surface of a traffic lane part S into the drain passage 2b is formed and the curbstone 3 fitted to the upper surface part 2a of the water channel block body 2 along its longitudinal direction. A shield surface 3c covering the upper part of the opening 4a while securing a clearance M for leading the water content flowing on the traffic lane part S into the opening 4a of the water collecting passage 4 is formed at the curbstone 3. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a curb block with a curb used for draining a paved road surface, and a drainage structure for a paved road surface using the same.

Conventionally, in a drainage structure of a road, a waterway block having a drainage channel penetrating in a longitudinal direction and a water collecting channel having an opening on an upper surface part to take in moisture flowing on the pavement surface into the drainage channel, Some are buried along the border. According to such a drainage structure, rainwater or the like on the pavement surface is taken into the drainage channel from the catchment channel, and the rainwater or the like taken into the drainage channel is further drained by guiding it to a sewer or the like (for example, Patent Literature 1).
In the above drainage structure, when rainwater etc. is drained, earth and sand on the pavement are also taken into the drainage channel along with the rainwater. It will reduce efficiency. For this reason, the sediment discharge operation | work which discharges the accumulated sediment etc. out of a drainage channel by sending high pressure water etc. in a drainage channel is performed regularly.

JP 2001-164642 A (FIGS. 1 and 2)

In the above sediment discharge operation, when high pressure water is sent into the drainage channel, the high pressure water is sprayed over the entire circumferential direction in the drainage channel, so that the earth and sand in the drainage channel together with the high pressure water from the opening of the drainage channel. There was a blow up. Since the opening of this catchment channel is on the upper surface of the channel block, when the earth and sand in the drainage channel blows up as described above, the earth and sand was scattered on the road, and the road could be contaminated by the earth and sand. . In such a case, in addition to earth and sand discharge work, the road must also be cleaned, which may require excessive labor.
In addition, an iron grating is usually attached to the opening of the catchment channel. If a pedestrian walks on the grating with the road wet, it may be very slippery and lack safety. there were.
The present invention has been made in view of such problems, and uses a curb block with curb that can prevent the road from being soiled by sediment discharge work and can enhance the safety of pedestrians and the like, and the same. The purpose is to provide a drainage structure for paved road surfaces.

  The present invention provides a water channel block main body in which a drainage channel penetrating in the longitudinal direction is formed and a water collecting channel having an opening in the upper surface portion is formed so that moisture flowing on the surface of the paved road surface is taken into the drainage channel, and the water channel block In the curb block with curb attached to the upper surface of the main body along the longitudinal direction thereof, the curb block collects the curb while ensuring a gap for guiding moisture flowing on the pavement surface to the opening of the catchment channel. A shielding surface that covers the upper part of the opening of the water channel is formed.

According to the curb block with curb configured as described above, even if high-pressure water is sent into the drainage channel to perform sediment discharge work for removing sediment and the like in the drainage channel, the upper part of the opening forms a curb. Since it is covered with the shielded surface, the earth and sand that blows upward from the water collecting channel is shielded, and the earth and sand can be prevented from further blowing upward. Therefore, it is possible to prevent the earth and sand from being scattered over a wide range of the paved road surface. At the same time, since a gap for guiding the water flowing on the pavement surface to the opening of the catchment channel is secured, the moisture on the pavement surface can be taken into the drainage channel through the catchment channel, and the drainage performance of the pavement surface can be maintained.
Even if a grating is attached to the opening of the catchment channel, the upper part of the catchment channel opening is covered with the shielding surface, so that it is possible to prevent a pedestrian or the like from stepping on the grating.

In the above-mentioned curb block with a curb, the shielding surface formed on the curb needs to be attached in accordance with the opening on the upper surface of the water channel block main body. Therefore, the shielding surface is opened on the upper surface of the water channel block main body. It is preferable that a stepped portion for positioning the curb is formed so as to cover the upper side.
In this case, the said shielding surface can be match | combined with the opening of the said water flow path, and the upper part of the said opening can be covered reliably.

Further, in the water channel block with curb, it is preferable that a side water collecting channel for discharging moisture penetrating the paved road surface is formed on a side surface of the water channel block body on the paved road surface side.
By doing in this way, when drainage pavement is used for the pavement surface, the water permeated by the pavement surface can be taken into the drainage channel through the side water collecting channel.

  Moreover, in the drainage structure of a pavement surface, what embed | buried the said waterway block with a curb stone in the pavement surface is mentioned. In this case, as described above, it is possible to prevent the earth and sand from being dispersed over a wide area of the paved road surface by the earth and sand discharging operation while maintaining the drainage performance of the paved road surface.

According to the curb block with a curb of the present invention and the drainage structure of the paved road surface using the curb block, it is possible to prevent the sand and the like from being blown up during the sediment discharging operation, and thus the paved road surface can be prevented from being contaminated by the work.
In addition, according to the present invention, even if a grating is attached to the opening of the catchment channel, it is possible to prevent a pedestrian or the like from stepping on the grating, thus improving the safety of the pedestrian or the like when the road surface is wet. be able to.

Next, a preferred embodiment of a curb block with curb according to the present invention and a drainage structure for a paved road surface using the curb block will be described with reference to the accompanying drawings. FIG. 1 is a perspective view of a curb block with a curb according to the first embodiment of the present invention. The curb block with a curb 1 is embedded along the boundary between the roadway and the sidewalk on a paved road, and the channel block main body 2 is formed into a substantially rectangular cross section with concrete, and the water channel block main body. 2 and a curb 3 attached to the upper surface 2a of the water channel block main body 2 along the longitudinal direction.
The channel block body 2 is formed with a drainage channel 2b having a circular cross section penetrating in the longitudinal direction, and a groove-shaped step portion 2c extending in the longitudinal direction is sandwiched between the upper surface portion 2a and the step portion 2c. And an apron portion 2d formed flat. A curbstone 3 is attached to the stepped portion 2c. In addition, the water channel block body 2 is formed with a plurality of water collecting channels 4 that are formed in a rectangular cross section and are holes that communicate the drainage channel 2b with the outside. The water collecting channel 4 has an opening 4a formed along the curb 3 in the apron portion 2d.

FIG. 2 is a cross-sectional view showing a state in which the curb block 1 with curb is installed on the road. In addition, in FIG. 2, the cross section of the part in which the water collecting channel 4 of the water channel block main body 2 is located is shown. As shown in the figure, the water collection channel 4 communicates the drainage channel 2b with the outside of the channel block body 2, and takes water flowing on the surface of the roadway section S into the drainage channel 2b from the opening 4a of the water collection channel 4. . Although not shown, a grating may be attached to the opening 4a of the water collection channel 4 so as to prevent large stones or dust from passing through the water collection channel 4 and entering the drainage channel 2b. .
Further, the water channel block body 2 is installed on the basic crushed stone layer 7 through the mortar layer 8 so that the apron portion 2d on the roadway portion S side is substantially flush with the surface of the roadway portion S.

  A drainage pavement 6 is constructed on the roadway portion S. The drainage pavement 6 is constructed by laying an impermeable layer 6b on the roadbed 6a and constructing a drainage layer 6c made of a porous asphalt mixture and having a water permeable function on the impermeable layer 6b. . Such a drainage pavement 6 can take in the moisture of the pavement surface to the inside by the water-permeable function of the drainage layer 6c, thereby preventing water from accumulating on the pavement surface and improving the running stability of the vehicle. In addition, between the impermeable layer 6b and the drainage layer 6c, the adhesiveness of both is improved by interposing a tack coat, for example.

The curb 3 separates the roadway part S and the sidewalk part H, and its cross section is formed in a substantially trapezoidal shape. In addition, the curb 3 is formed with a notch 3a in which a corner on the side of the roadway S on the bottom surface is notched.
The notch 3a is formed over the entire length of the curb 3 in the longitudinal direction, a vertical surface 3b substantially parallel to the vertical direction, and a shielding surface 3c covering the upper side of the opening 4a of the water collecting channel 4 of the water channel block body 2. have. The shielding surface 3c is formed so as to cover the upper side of the opening 4a of the water collecting channel 4 and to ensure a gap M that opens to the roadway portion S side with the apron portion 2d. The flowing water can be guided to the opening 4 a of the water collecting channel 4.
The curb 3 is fitted into the step 2c of the channel block body 2 up to the vicinity of the boundary between the shielding surface 3c and the vertical surface 3b, and the height position of the mortar layer 10 is set so that the gap M has a predetermined dimension. Finely adjusted and attached to the channel block body 2.
The step portion 2 c into which the curb stone 3 is fitted in this way positions the curb stone 3 on the upper surface portion 2 a of the water channel block body 2, whereby the shielding surface 3 c can be aligned with the opening 4 a of the water collecting channel 4. It is possible to reliably cover the upper part of the opening 4a.

  As shown in FIGS. 1 and 2, the water channel block main body 2 communicates the drainage channel 2 b with the outside and has a side cross-section that is a hole with a circular cross section having an opening 11 a on the side surface on the side of the roadway S. A plurality of water channels 11 are formed. The opening 11 a is formed along a groove 2 h that is formed in a side surface of the water channel block body 2 on the side of the roadway S and extends in the longitudinal direction of the water channel block body 2. The groove 2h is formed so as to face the vicinity of the bottom portion on the side surface of the drainage layer 6c, guides the moisture permeated by the drainage layer 6c to the opening 11a of the side-side water collection channel 11, and takes this moisture into the drainage channel 2b. be able to.

According to the curb with canal block 1 configured as described above, even if high-pressure water is sent into the drainage channel 2b to perform sediment discharge work for removing earth and sand in the drainage channel 2b, Since the upper part of the opening 4a is covered with the shielding surface 3c formed on the curbstone 3, the earth and sand blowing upward from the opening 4a of the water collecting channel 4 is shielded, and the earth and sand can be prevented from further blowing upward. Accordingly, it is possible to prevent the earth and sand from being scattered over a wide range of the roadway portion S and the sidewalk portion H, and it is possible to prevent the road from being soiled by the work. At the same time, since a gap M is opened between the shielding surface 3c and the apron 2d on the side of the roadway portion S, moisture on the surface of the roadway portion S can be taken into the drainage channel 2b through the slit. The drainage of S can be maintained.
Even if the grating is attached to the opening 4a of the water collecting channel 4, the upper part of the opening 4a is covered with the shielding surface 3c, so that a pedestrian or the like can be prevented from stepping on the grating. Therefore, the safety of pedestrians and the like when the road is wet can be improved.

  In addition, as described above, the drainage structure using the curb block 1 with a curb is used for the road, so that the sediment is discharged to the roadway portion S and the sidewalk portion H by the sediment discharge operation while maintaining the drainage performance of the roadway portion S. It is possible to suppress the spraying and prevent the road from getting dirty.

  In the embodiment described above, the opening 4a of the water collecting channel 4 is provided in the apron portion 2d that is flush with the surface of the roadway portion S. For example, as shown in FIG. A step portion 2f extending in the longitudinal direction may be provided in the apron portion 2d, and the opening 4a of the water collecting channel 4 may be provided in the step portion 2f. In this case, the step portion 2f serves as a water channel for temporarily storing the water in the roadway portion S, and more effectively collects the water in the roadway portion S in the opening 4a of the water collecting channel 4 and takes it into the drainage channel 2b. it can.

  FIG. 4 is a perspective view of the curb block with a curb block 1 according to the second embodiment of the present invention, and FIG. 5 is a cross-sectional view showing a state in which the curb block with a curb block 1 is installed on a road. The main difference between this embodiment and 1st embodiment is arrange | positioned so that the side surface by the side of the roadway part S of the curb stone 3 may become flush with the side surface by the side of the roadway part S of the water channel block main body 2. The point covered with the groove 3d formed at the center of the bottom surface of the curb 3 and the notch 3a of the curb 3 are covered with the point, the opening 4a of the water collecting channel 4 provided on the upper surface 2a of the water channel block body 2 In other words, a water introduction hole 3e for guiding moisture to the opening 4a of the water collecting channel 4 is formed and a side surface water collecting channel 11 is not provided. Since other points are the same as those in the first embodiment, description thereof is omitted.

The curb 3 is positioned and attached to a stepped portion 2c formed by cutting from the end of the upper surface 2a of the water channel block main body 2 to the vicinity of the center in the width direction. As described above, the curb 3 The side surface on the side of the roadway portion S and the side surface on the side of the roadway portion S of the water channel block body 2 are arranged to be flush with each other.
Moreover, the groove part 3d extended in a longitudinal direction as mentioned above is formed in the center part of the bottom face of the curb 3 over the full length of a longitudinal direction. Further, the groove 2g is also formed in the step 2c at a position coinciding with the position of the groove 3d, and the water channel 12 is formed by combining both the grooves 3d and 2g.
As shown in FIG. 5, an opening 4 a of the water collecting channel 4 communicating with the drainage channel 2 b is provided at the bottom of the groove portion 2 g of the channel block body 2. Further, the curbstone 3 is formed with a water guide hole 3 e for cutting moisture from the roadway portion S into the water channel 12 and guiding it to the opening 4 a of the water collecting channel 4 by cutting out the end of the bottom surface. That is, the moisture guided from the water guide hole 3e to the water channel 12 can be taken into the drainage channel 2b through the water collection channel 4 from the opening 4a at the bottom of the groove 2g.

Further, the drainage layer 6c in the drainage pavement 6 of the roadway section S is laid so that the side surface 6c1 is exposed to the water guide hole 3e while forming the gap M in which the water guide hole 3e opens to the outside with a predetermined width dimension. ing.
By doing in this way, the water | moisture content which flows along the roadway part S surface can be taken in into the water channel 12, and the water | moisture content permeated by the drainage layer 6c can be taken into the water channel 12.

  According to the curb with canal block 1 of the present embodiment configured as described above, the groove 3d of the curb 3 covers the upper part of the opening 4a of the water collecting channel 4 so as to cover the shielding surface (shown in the first embodiment). Functions as FIG. That is, since the groove 3d as a shielding surface formed on the curb 3 is formed at the center of the bottom surface of the curb 3, the upper part of the opening 4a of the water collecting channel 4 can be covered more reliably. Therefore, the earth and sand which blows up from the opening 4a of the water collection channel 4 can be shielded more reliably.

  Moreover, in the said embodiment, although the water guide hole 3e was provided only in the edge part of the curb 3, the slit 3f which opens along the surface of the roadway part S and leads to the water channel 12, as shown in FIG. You may provide in the side. In this case, in addition to the water guide holes 3e, the water flowing on the surface of the roadway portion S can be drained also by the slits 3f, so that more effective drainage can be achieved while shielding the earth and sand blowing from the opening 4a of the water collecting channel 4. What can be done.

  The present invention is not limited to the above embodiment. For example, in the above embodiment, the water collecting channel 4 is a hole having a rectangular cross section, but this water collecting channel only needs to be able to take in moisture from the roadway portion S into the drainage channel 2b, so that the cross section that communicates the outside with the drainage channel 2b. It is good also as a circular hole. Moreover, although the case where drainage pavement was used for the roadway part was shown in the said embodiment, it can also be used for concrete pavement etc. which do not have normal drainage.

It is a perspective view of the channel block with a curb according to the first embodiment of the present invention. It is sectional drawing which shows the state which installed the waterway block with a curb concerning 1st embodiment of this invention in the road. It is the perspective view which showed the modification of the waterway block with a curb concerning 1st embodiment of this invention. It is a perspective view of the waterway block with a curb according to the second embodiment of the present invention. It is sectional drawing which shows the state which installed the waterway block with a curb concerning 2nd embodiment of this invention in the road. It is the perspective view which showed the modification of the waterway block with a curb concerning 2nd embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Waterway block with curb stone 2 Water channel block main body 2a Upper surface 2b Drainage channel 2c Step part 3 Curb stone 3c Shielding surface 3d Groove part 3e Water conveyance hole 4 Water collecting channel 4a Opening 11 Side surface water collecting channel M Crevice

Claims (4)

A water channel block body in which a drainage channel penetrating in the longitudinal direction is formed and a water collecting channel having an opening in the upper surface portion is formed so as to take in water flowing on the surface of the paved road surface into the drainage channel, and an upper surface portion of the water channel block body A curb channel with a curb attached along its longitudinal direction to
A curb block with a curb characterized in that a shielding surface is formed on the curb so as to cover the upper part of the opening of the water collecting channel while ensuring a gap for guiding moisture flowing on the pavement surface to the opening of the water collecting channel.   The water channel block with curb according to claim 1, wherein a stepped portion for positioning the curb is formed on the upper surface of the water channel block main body so that the shielding surface covers the upper side of the opening of the water collecting channel.   The water channel block with curb according to claim 1 or 2, wherein a side water collecting channel for discharging moisture penetrating into the paved road surface is formed on a side surface of the water channel block main body on the side of the paved road surface. A water channel block body in which a drainage channel penetrating in the longitudinal direction is formed and a water collecting channel having an opening in the upper surface portion is formed so as to take in water flowing on the surface of the paved road surface into the drainage channel, and an upper surface portion of the water channel block body In the drainage structure of the paved road surface embedded with the curb channel block with curb attached along the longitudinal direction to the paved road surface,
A drainage structure for a pavement surface, wherein the curbstone is formed with a shielding surface that covers the upper part of the opening of the water collection channel while ensuring a gap for guiding moisture flowing on the pavement surface to the opening of the water collection channel.

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