JP3881324B2 - A sealing method for preventing scouring and scouring around the drainage channel provided on the slope of a roadside such as an expressway. - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a vertical drainage channel provided on a slope of a road side connected to a gutter of an expressway or a lateral drainage channel provided on a small step portion formed on a slope of a road side.
[0002]
[Prior art]
A vertical drainage channel provided on the descending slope of the road side connected to the gutter of the expressway or a lateral small drainage channel provided on a small step extending parallel to the road on the descending slope of the road side, These drainage channels are designed to facilitate rain drainage on the highway. In these vertical drainage channels or lateral drainage channels, the drainage channels may collapse as a result of the earth and sand around the drainage channels being scoured by jumping water from the drainage channels. Furthermore, overgrown weeds may sag into the drainage channel and block the drainage channel. Therefore, in order to prevent the drainage channels from collapsing due to the scouring of this jumping water, or to prevent the grass that grew over the drainage channels from drooping into the drainage channels, the surroundings of these drainage channels have been conventionally used. A belt made of upholstered concrete having a width of 500 to 700 mm and a thickness of 50 to 100 mm is applied to the ground to seal the lower soil.
[0003]
However, it is not easy to lay a concrete belt in the form of a belt around the drainage channel on the slope of the slope descending from the side of the expressway. Since the white upholstery concrete is laid in a belt shape within the slope of the slope covered with grass, the landscape of the slope deteriorates and the rigidity of the belt-like upholstery concrete is high, so the soil below it is Even if scoured by rainwater, etc., it is difficult to find out from the outside, and tensioned concrete cannot follow changes in the scoured ground, and sometimes drainage channels and belt-like tensioned concrete collapse suddenly. As a result, there were various problems such as the possibility of causing a major disaster.
[0004]
[Problems to be solved by the invention]
The problem to be solved by the present invention is to solve the above-described various problems described above, instead of belt-like tension concrete around the drainage channel on the road side slope, and hangs down into the drainage channel. Prevents overgrowth such as weeds, keeps the landscape on the side of the road in good condition, and immediately reveals the scouring with splash water from the drainage channel, making it easy to prevent disasters and scouring It is to provide a sealing means around the drainage channel that can follow the change of the ground due to.
[0005]
[Means for Solving the Problems]
The means of the present invention for solving the above-mentioned problems is that, in the invention of claim 1, a drainage channel is constructed by installing a drain groove block 3 having a U-shaped section provided on a slope 1 of a road side such as an expressway. 2, the fixed width of the ground 14 of the peripheral portion 8 on both sides of the drainage groove block 3 is adjusted to be non-land, and the peripheral portion 8 of the drainage groove block 3 is not adjusted from the inner wall end 6 of the upper surface 5 of the side wall 4 of the drainage groove block 3 In the method of covering the land 14 having a fixed width with the waterproof sheet 9, the flat bar 10 is anchor bolt plug from the inner wall end 6 of the upper surface 5 of the side wall 4 to the outer wall end 7 of the upper surface 5 of the side wall 4. 11 is fixed to the drain groove block 3, a solvent is applied to the flat bar 10, one end side of the waterproof sheet 9 is welded, and the other end side of the waterproof sheet 9 is a plurality of spaced apart U-shaped anchor pins 13 to hold and fix to the ground 14 waterproof A proof grass and sealing method for scouring preventing drainage second peripheral portion 8 provided on the slope face 1 of the road side, such as highways, characterized in that the coating by over preparative 9.
[0006]
According to the second aspect of the present invention, the ground 14 having a constant width is adjusted from the inner wall end 6 of the upper surface 5 of the side wall 4 of the drainage groove block 3 to the peripheral portion 8 on both sides of the drainage groove block 3 in the means of the first aspect. As a method of covering with a waterproof sheet 9, instead of the method using the flat bar 10 and the anchor pin 13, a curtain rail 18 is attached to the upper end of the inner wall of the side wall 4 of the drain groove block 3, and the waterproof sheet is attached to the attached curtain rail 18. 9 is inserted and fixed, and the other end side of the waterproof sheet 9 is pressed and fixed to the ground 14 by a plurality of inverted U-shaped anchor pins 13. This is a sealing method for preventing weeds and scouring the peripheral portion 8 of the drainage channel 2 provided on the slope 1 of the road side such as an expressway.
[0007]
According to the third aspect of the present invention, the ground 14 having a constant width adjusted from the inner wall end 6 of the upper surface 5 of the side wall 4 of the drainage groove block 3 to the peripheral portion 8 on both sides of the drainage groove block 3 in the method of the first aspect. Instead of the method using the flat bar 10 and the anchor pin 13, the end of the waterproof sheet 9 is previously attached to the body portion 23 of the reverse U-shaped waterproof sheet-attached steel plate 22, an inverted U-shaped foot 24 fitted and fixed to the inner wall surface 25 and the outer wall surface 26 of the side wall 4 from the upper end of the side wall 4 of the drain groove block 3 of the waterproof sheet 9 attached tarpaulin mounting steel plate 22, the waterproof sheet 9 Of the drainage channel 2 provided on the slope 1 of the road side portion of an expressway or the like, wherein the other end side is fixed to the ground 14 by a plurality of spaced apart inverted U-shaped anchor pins 13 Shear for preventing grass and scouring around the periphery 8 A Le way.
[0008]
In the invention of claim 4, the drainage channel 2 provided on the slope 1 of the road side is a drainage channel 2 laid in the inclination direction of the slope 1. This is a sealing method for preventing weeds and scouring the peripheral portion 8 of the drainage channel 2 provided on the slope 1 of the side of the road such as an expressway.
[0009]
In the invention of claim 5, the drainage channel 2 provided on the slope 1 on the side of the road is a drainage channel 2 laid in parallel with the road on the small step portion 12 provided in a direction crossing the inclination direction of the slope 1. A sealing method for preventing scouring and preventing scouring of the peripheral portion 8 of the drainage channel 2 provided on the slope 1 of the road side of a highway or the like according to any one of claims 1 to 3. is there.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a view showing a cross section of a drainage channel provided in a vertical direction on a slope according to an embodiment of the present invention. FIG. 2 is a schematic view seen from the upper surface of the drainage channel of FIG. FIG. 3 is a schematic diagram showing a partial cross section of a drainage channel provided in a lateral direction in a small step portion according to another embodiment of the present invention. FIG. 4 is a view showing a cross section of the drainage channel of FIG. 3. FIG. 5 is an enlarged view showing a mounting portion of a sheet for preventing grass and scouring made of a vinyl chloride sheet as a waterproof sheet laid on the side wall of the drain groove block in the present invention. FIG. 6 is a diagram schematically showing the arrangement of inverted U-shaped anchor pins driven into the ground of the present invention. FIG. 7 is a schematic view showing attachment of a waterproof sheet for preventing grass and scouring according to another embodiment of the present invention, (a) is an enlarged view of a curtain rail portion, and (b) is a drainage groove. It is a figure which shows the attachment structure to the side wall of a block. FIG. 8 is a schematic view showing the attachment of the waterproof sheet for preventing grass and scouring according to still another embodiment of the present invention, wherein (a) shows the left and right waterproof sheet-attached steel plates and vinyl chloride sheets; b) is a figure which shows the attachment structure to the side wall of a drain groove block.
[0011]
First, the first embodiment is a U-shaped section for a drainage channel 2 installed to drain downward from above along a slope 1 descending a side of a road from a gutter laid on the side of a highway. In order to prevent weeds from growing in the peripheral portion 8 of the drainage drainage block 3 and to prevent scouring of the peripheral portion due to jumping of the drainage channel 2, weeds and scouring prevention seals are implemented. . In this case, as shown in FIG. 1, a longitudinal groove having a width and a depth for installing a drain groove block 3 having a U-shaped cross section from above to below the slope 1 is excavated. A drain groove block 3 made of precast concrete and having a U-shaped cross section is suspended from a vertical groove hole that has been excavated with a predetermined hanging bracket by conventional means. In this case, a wide connection socket 15 (see FIG. 2) is installed at the end of the drain groove block 3 having a U-shaped cross section so as to face a higher slope. Then, a 1.5-mm-thick vinyl chloride sheet 9 ′ is laid as a waterproof sheet 9 on the ground 14 of the slope 1 on the left and right sides of the drainage groove block 3 installed on the slope. In this case, the width of the vinyl chloride sheet 9 ′ on each side is, for example, such that when the vertical drainage channel 2 is provided on the slope 1, the vinyl chloride sheet 9 ′ having a width of 760 mm is provided on both sides in contact with the drainage groove block 3. It shall be a seal for covering grass protection and scouring prevention.
[0012]
The method of performing sealing for preventing grass and scouring with the vinyl chloride sheet 9 ′ as the waterproof sheet 9 is to clean the upper surface 5 of the side wall 4 of the drain groove block 3 after the drain groove block 3 is installed as described above. After that, the ground 14 covered with the vinyl chloride sheet 9 ′ on the peripheral portion 8 on both sides thereof is leveled by leveling. Next, the vinyl chloride coating layer 17 of the flat bar 10 made of a vinyl chloride coated steel plate is placed on the upper surface 5 of the side wall 4 of the drain groove block 3 as an upper surface, and an anchor bolt plug 11 having a diameter of 6 mm and a length of 25 mm is further mounted. The flat bar 10 is fixed to the drain groove block 3 by driving into an anchor hole 16 at a predetermined position drilled in the upper surface 5 of the side wall 4 of the drain groove block 3 from above the flat bar 10. Further, the end portion of the vinyl chloride sheet 9 ′ was placed on the inner wall end 6 of the upper surface 5 of the side wall 4 of the drain groove block 3 to which the flat bar 10 was attached, and the other end of the vinyl chloride sheet 9 ′ was adjusted to be non-landing. It extends on the ground 14 of the slope 1. Next, a vinyl chloride solvent is applied on the vinyl chloride coating layer 17 of the flat bar 10 to weld the end of the vinyl chloride sheet 9 ′ to the upper surface of the flat bar 10. On the other hand, the other end of the vinyl chloride sheet 9 'is pressed at equal intervals by a plurality of hot galvanized steel anchor pins 13 having a width of 150 mm and a foot length of 250 mm and a reverse U-shaped diameter of 9 mm. The other end of 'is driven while being wound around the foot of the anchor pin 13 and locked into the ground of the slope 1.
[0013]
In the invention according to claim 2 , which is another embodiment of the method of attaching the waterproof sheet 9, the unevenness of the peripheral portions 8 on both sides of the drainage groove block 3 from the inner wall end 6 of the upper surface 5 of the side wall 4 of the drainage groove block 3. As shown in FIG. 7, the covering of the adjusted ground with the waterproof sheet 9 is performed by attaching a commercially available single bracket curtain rail 18 to the insert hole 20 provided in the upper end of the inner wall of the side wall 4 of the drain groove block 3. It attaches with the attachment bolt 19 through the metal fitting 27. A curtain rail insertion fitting 21 having one end side of a vinyl chloride sheet 9 ′, which is a waterproof sheet 9, attached thereto with a welding agent is inserted and fixed to the attached curtain rails 18. Further, the other end portion of the vinyl chloride sheet 9 ′ is extended on the ground 14 of the slope 1 adjusted to be uneven. The other end of the expanded vinyl chloride sheet 9 ′ is melted with an inverted U-shaped diameter of 9 mm having a width of 150 mm and a foot length of 250 mm in a groove provided in the ground 14 in the same portion as in the above embodiment. A plurality of anchor pins 13 made of galvanized steel are driven and locked while being wound into the ground at equal intervals. In this case, the vinyl chloride sheets 9 ′ adjacent in the direction of the drainage groove overlap each other by 100 mm.
[0014]
In the invention according to claim 3 , which is still another embodiment of the method of attaching the waterproof sheet 9, the peripheral portions 8 on both sides of the drainage groove block 3 are not formed from the inner wall edge 6 of the upper surface 5 of the side wall 4 of the drainage groove block 3. As shown in FIG. 8, the land with the fixed width on the ground is covered with the waterproof sheet 9, as shown in FIG. 8, one end side of the vinyl chloride sheet 9 ′ as the waterproof sheet 9 is formed in the body portion of the reverse U-shaped waterproof sheet-attached steel sheet 22. 23 is welded to the inner wall surface 25 and the outer wall surface 26 from the upper end of the side wall 4 of the drainage groove block 3 by welding the vinyl chloride sheet 9 ′ with the vinyl chloride sheet 9 ′ and bonding the waterproof sheet-attached steel sheet 22 with the vinyl chloride sheet 9 ′. It is fitted and fixed by elasticity. Further, the other end portion of the vinyl chloride sheet 9 ′ is extended on the ground 14 of the slope 1 adjusted to be uneven. The other end of the expanded vinyl chloride sheet 9 ′ is melted with an inverted U-shaped diameter of 9 mm having a width of 150 mm and a foot length of 250 mm in a groove provided in the ground 14 in the same portion as in the above embodiment. A plurality of anchor pins 13 made of galvanized steel are driven and locked while being wound into the ground at equal intervals. In this case, the vinyl chloride sheets 9 ′ adjacent in the direction of the drainage groove overlap each other by 100 mm.
[0015]
Next, another embodiment will be described. A small step portion 12 extending horizontally in the road direction is formed in the middle of the descending slope 1 of the side portion of the highway. A drainage groove block 3 having a U-shaped cross section, which is a drainage channel 2 in the road direction, is installed in the small step portion 12, and the drainage from the side groove of the expressway is further drained by the drainage groove block 3 disposed in the small step portion 12. This is a sealing method for preventing grass and scouring. That is, this embodiment is a sealing method for preventing scouring and preventing scouring to prevent the peripheral portion 8 of the drain groove block 3 having a U-shaped cross section which is the drainage channel 2 provided in the small step portion 12. is there.
[0016]
This sealing method will be described. As shown in FIG. 3, a drain groove block 3 having a U-shaped cross section is installed on a small step portion 12 provided parallel to the road on the slope 1 of the road side. A groove hole having a width and a depth for installing the groove block 3 is excavated in the small step portion 12. A drain groove block 3 made of precast concrete and having a U-shaped cross section is suspended from a drilled groove hole by a predetermined means with a predetermined hanging bracket. In this case, the connection socket 15 formed wide at the end of the drain groove block 3 is installed toward the higher gradient of the small step portion 12. Next, a vinyl chloride sheet 9 ′ is laid as a waterproof sheet 9 having a thickness of 1.5 mm on the ground of the peripheral part 8 on both the left and right sides of the drain groove block 3 installed in the small step part 12. In this case, the width of the vinyl chloride sheet 9 ′ in each peripheral portion 8 is, for example, a small step adjacent to the drain groove block 3 when laid on the small step portion 12 continuing to the high side of the slope 1 and the subsequent slope 1. The portion 12 is covered with a vinyl chloride sheet 9 ′ having a total width of 600 mm, that is, a portion having a width of 300 mm in the portion 12 and a portion having a slope of 300 mm in the slope portion on the higher side of the slope 1. When laying on the small step portion 12 following the lower slope on the other side, it is covered with a 760 mm wide vinyl chloride sheet 9 ', which is used as a seal for preventing grass and scouring.
[0017]
The method for laying the grass-proof and scour-preventing seal made of the vinyl chloride sheet 9 'is the same as in the first embodiment. That is, as shown in FIG. 4, after installing the drain groove block 3 having a U-shaped cross section in the groove dug in the small step portion 12, the upper surface 5 of the side wall 4 of the drain groove block 3 is cleaned, The portion of the ground covered with the vinyl chloride sheet 9 ′, which is the waterproof sheet 9 in the peripheral portion 8 , is trimmed and shaped. Next, as shown in FIG. 5, the flat bar 10 made of a vinyl chloride coated steel plate is placed on the upper surface 5 of the side wall 4 of the drain groove block 3 with the vinyl chloride surface side facing up. Further, an anchor bolt plug 11 having a diameter of 6 mm and a length of 25 mm is driven from above the flat bar 10 into an anchor hole 16 at a predetermined position drilled from the upper surface 5 of the side wall 4 of the drain groove block 3, and the flat bar 10 is drained. Fix to 3. Furthermore, the end portion of the vinyl chloride sheet 9 ′ is placed on the inner wall end of the upper surface of the flat bar 10 attached to the upper surface 5 of the side wall 4 of the drainage groove block 3, and the other end portion of the vinyl chloride sheet 9 ′ is not attached. It extends on the ground 14 of the slope 1 adjusted to land. Next, a vinyl chloride solvent is applied to the upper surface of the flat bar 10, and the end of the vinyl chloride sheet 9 ′ is welded to the vinyl chloride coating layer 17 of the flat bar 10. On the other hand, the other end of the vinyl chloride sheet 9 'is a plurality of anchor pins 13 made of hot-dip galvanized steel having a reverse U-shaped diameter of 9 mm and a width of 150 mm and a foot length of 250 mm in a groove provided in the ground 14 of that portion. At the same interval, it is driven and locked while it is caught in the ground. In this case, the vinyl chloride sheets 9 ′ adjacent in the direction of the drainage groove overlap each other by 100 mm.
[0018]
In the above embodiment, a vinyl chloride sheet is used as the waterproof sheet 9. However, the waterproof sheet 9 applicable to the present invention is not limited to the vinyl chloride sheet 9 ′, and may be a weather resistant or water-impermeable plastic film or rubber film. For example, various plastic films such as a polypropylene sheet and other polyolefin sheets, or a rubberized sheet can be applied.
[0019]
【The invention's effect】
As described above, according to the present invention, the bottom surface of the seal is scoured by splashing water in the seal for preventing weeds from growing in the periphery of the drainage channel for draining rain that has fallen on an expressway or the like. Since scouring is easily identified from the outside, disaster prevention is easy, and the ground follows the scouring and sinks, preventing sudden collapse due to scouring and drainage channels It is possible to prevent the weeds in the periphery of the water from growing, and further, it is possible to easily construct a seal for preventing grass and scouring without impairing the scenery around the drainage channel.
[Brief description of the drawings]
FIG. 1 is a view showing a cross section of a drainage channel provided in a vertical direction on a slope according to an embodiment of the present invention.
FIG. 2 is a schematic view seen from the upper surface of the drainage channel of FIG.
FIG. 3 is a schematic diagram showing a partial cross section of a drainage channel provided in a horizontal direction in a small step portion according to another embodiment of the present invention.
4 is a view showing a cross section of the drainage channel of FIG. 3. FIG.
FIG. 5 is an enlarged view showing a mounting portion of a vinyl chloride sheet laid on the side wall of the drain groove block in the present invention.
FIG. 6 is a diagram schematically showing an arrangement of inverted U-shaped anchor pins driven into the ground of the present invention.
FIG. 7 is a schematic view showing attachment of a waterproof sheet for preventing grass and scouring according to another embodiment of the present invention.
FIG. 8 is a schematic view showing attachment of a waterproof sheet for preventing grass and scouring according to still another embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Slope 2 Drainage channel 3 Drainage channel block 4 Side wall 5 Upper surface 6 Inner wall edge 7 Outer wall edge 8 Peripheral part 9 Waterproof sheet 9 'Vinyl chloride sheet 10 Flat bar 11 Anchor bolt plug 12 Small step part 13 Anchor pin 14 Ground 15 Socket 16 Anchor Hole 17 Vinyl chloride coating layer 18 Curtain rail 19 Mounting bolt 20 Insert hole 21 Curtain rail insertion bracket 22 Waterproof sheet mounting steel plate 23 Body 24 Leg 25 Inner wall 26 Outer wall 27 Mounting bracket

Claims (5)

A drainage groove block with a U-shaped cross section provided on the slope of a roadside such as an expressway is installed as a drainage channel, and the constant width of the ground on both sides of the drainage groove block is adjusted unevenly. In a method of covering a fixed-width ground having a fixed width around the drainage groove block from the inner wall end of the upper surface of the side wall of the block with a waterproof sheet, the inner wall end of the upper surface of the side wall of the drainage groove block is changed to the outer wall end of the upper surface of the side wall. The flat bar is fixed to the drain groove block with an anchor bolt plug, solvent is applied to the flat bar, one end of the waterproof sheet is welded, and the other end of the waterproof sheet is a plurality of spaced apart U-shaped anchors A sealing method for preventing scouring and preventing scouring around a drainage channel provided on a slope of a road side of an expressway or the like, which is fixed to the ground by a pin and covered with a waterproof sheet . In the method of claim 1, the method of covering the ground surface of the fixed width with the non-land adjusted width of the peripheral part on both sides of the drainage groove block from the inner wall end of the upper surface of the side wall of the drainage groove block with a flat bar and an anchor pin Instead of the method according to the above, a curtain rail is attached to the upper end of the inner wall of the side wall of the drainage groove block, and a curtain rail insertion fitting with one end of the waterproof sheet attached to the attached curtain rail is inserted and fixed. Weed prevention of the peripheral part of the drainage channel provided on the slope of the road side part of a highway or the like, wherein the end side is pressed and fixed to the ground by a plurality of inverted U-shaped anchor pins spaced apart Sealing method to prevent scouring. In the method of claim 1, the method of covering the ground surface of the fixed width with the non-land adjusted width of the peripheral part on both sides of the drainage groove block from the inner wall end of the upper surface of the side wall of the drainage groove block with a flat bar and an anchor pin In place of the method according to the above, one end side of the waterproof sheet is previously attached to the body portion of the reverse U-shaped waterproof sheet-attached steel plate, and the reverse U-shaped foot portion of the waterproof sheet-attached waterproof sheet-attached steel plate is attached to the drain groove block The upper end of the side wall is fitted and fixed to the inner wall surface and the outer wall surface of the side wall, and the other end side of the waterproof sheet is pressed and fixed to the ground by a plurality of spaced apart inverted U-shaped anchor pins. A sealing method for preventing scouring and scouring around the drainage channel on the slope of a roadside such as an expressway. The road side portion of a highway or the like according to any one of claims 1 to 3, wherein the drainage channel provided on the slope of the road side is a drainage channel laid in a slope direction of the slope. Sealing method for preventing grass and scouring around the drainage channel provided on the slope. The drainage channel provided on the slope on the side of the road is a drainage channel laid in parallel with the road on a small step provided in a direction crossing the slope direction of the slope. A sealing method for preventing grass and scouring in the periphery of a drainage channel provided on a slope of a road side such as an expressway described in Item 1 .

Images