JP2003193543A - Construction method for draining ground and member used therefor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a construction method for draining ground and its member capable of preventing a drop of water from being penetrated into the ground even when only the ground surface which is formed out of crushed stone and surface soil is wetted, draining and drying the ground more properly in a short time. <P>SOLUTION: The surrounding of a surface-to-be-drained of the ground 1 is dug to form a water channel 3, the center part of the surface of the water channel 3 is raised than the surrounding part, the ground by roller compaction is leveled to make it a substrate 2, the substrate 2 is covered with a plastic corrugated sheet 7 made by protruding rows 18 and recessed rows 19, the crushed stone 8 is layered and covered with surface soil 9, and water penetrated into the ground surface soil 9 due to raining is made to flow into the surrounding water passage 3 through the recessed rows 19 of the plastic corrugated sheet 7 for draining. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to various grounds,
The present invention relates to drainage of water from parks, golf courses, construction sites, cultivated land, and the like, and particularly to a drainage method using an underdrain and members used in the method.

[0002]

[Prior Art] Various grounds, stadiums, parks, golf courses,
On construction land, cultivated land or mountain slopes (hereinafter referred to as "grounds"), precipitation such as rainwater penetrates into the ground. Therefore, it is necessary to drain the infiltrated underground water and dry the ground soil. Therefore, a drainage system has been conventionally installed in such a ground.
This conventional drainage system for drainage is shown in FIG.
As shown in FIG. 5, a drainage network 30 composed of uncut grooves 31 is provided on the entire ground, and sand or crushed stones 32 are laid under the uncut grooves 31, and as shown in FIG. A water-permeable pipe 33 having a water-permeable structure provided with a water-permeable hole 35 is laid on the water-permeable pipe 3 as shown in (b).
3 is covered with sand or crushed stone 32 and further backfilled. In this conventional drainage system, precipitation such as rainwater infiltrates into the ground, and the infiltrated water flows into a permeable pipe installed in the surrounding uncut groove to be drained. However, in this conventional drainage system,
Water that has infiltrated precipitation, etc., may flow into the permeable pipe in the ditch and be drained, but the running water once flowing into the permeable pipe leaks again from the permeable pipe into the surrounding ground and wets the ground underground. There are also things. As described above, in the conventional drainage system, there is no guarantee that precipitation such as rainwater can be accurately drained from the permeable pipe in a short time. For this reason, it takes a long time for the entire surrounding ground, which contains water due to precipitation, to dry, and in the case of a large amount of precipitation, the drainage will not be in time and the amount of water leaking from the permeable pipe will increase, causing a disaster and causing a disaster. Landslides may occur on the ground and slopes.

[0003]

DISCLOSURE OF THE INVENTION The present invention is to solve the above-mentioned problems of the conventional drainage system of the ground, and even if only the surface layer consisting of the crushed stone of the ground and the topsoil thereof is wet, this drainage is required. It is an object of the present invention to provide a drainage method capable of preventing even a single drop of water from penetrating into the ground below the system and draining and drying the gland more accurately and in a short time, and a member used for the method.

[0004]

The means of the present invention for solving the above-mentioned problems is, in the invention of claim 1, a ground,
In the method of draining the ground of a park, golf course, construction site, cultivated land, or mountain slope (hereinafter referred to as "ground"), a water channel surrounding the ground is formed by digging around the ground required drainage. Then, the central part of the ground in the water channel is raised from the peripheral part to level the ground by roller rolling, and the whole surface of the base is covered with a plastic corrugated plate composed of alternating combinations of convex and concave stripes. Crushed stones are piled up on the ground, the ground is covered with ground topsoil, and water that has soaked into the ground topsoil due to precipitation is poured into the surrounding waterways from the recesses of the plastic corrugated sheet and drained. This is the drainage method.

According to a second aspect of the present invention, in the drainage method of the gland or the like according to the first aspect, a water permeable mat is interposed on a plastic corrugated plate and crushed stones are piled on the water permeable mat. It is a construction method.

According to the third aspect of the invention, in the drainage method of the gland or the like according to the first aspect of the invention, the water permeable mat is placed on the crushed stone, and the permeable mat is covered with the ground topsoil. It is a construction method.

According to a fourth aspect of the present invention, in the drainage method such as the gland of the first aspect, a water-permeable mat is placed on a plastic corrugated plate, crushed stones are stacked thereon, and a water-permeable mat is placed on the crushed stone. This is a drainage method for glands, etc., which is characterized by covering the ground with topsoil.

According to the invention of claim 5, in the drainage method such as the gland of the means of claim 1, instead of the crushed stones piled on the plastic corrugated plate, a water-permeable mat is laid directly on the plastic corrugated plate and the ground is placed on the mat. It is a drainage method such as a gland that is characterized by covering with topsoil.

According to a sixth aspect of the present invention, in the drainage method such as the gland of the means according to any one of the first to fifth aspects,
A drainage method for a gland or the like, characterized in that a water tank is provided in the basement of the ground base, a water channel around the ground is connected to the water tank, and water collected from the ground topsoil to the water channel is stored in the water tank. Is.

According to a seventh aspect of the present invention, there is provided a plastic corrugated sheet which is formed by alternately combining convex strips and concave strips with the end portion as a convex strip, and the convex strip at the end portion is an end of another plastic corrugated sheet. It is a plastic corrugated sheet for draining the gland, which is characterized in that it can be overlapped and joined to the convex stripes of the part.

According to an eighth aspect of the present invention, there is provided the plastic corrugated plate for draining the gland according to the seventh aspect, wherein the convex strip has a convex pattern for locking crushed stones on its upper surface.

According to a ninth aspect of the present invention, a plastic corrugated plate for draining water such as a gland is characterized in that the plastic corrugated plate of the means according to the seventh or eighth aspect has a non-slip crosspiece integrally formed on the back side thereof. Is.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1A and 1B show the outline of a base in a drainage method such as a gland of the present invention. FIG. 1A is a plan view of the base, and FIG. 1B is an elevation view cut along AA of FIG. 2A and 2B are schematic views of a water draining plastic corrugated plate covering a base, FIG. 2A is a plan view, and FIG. 2B is an elevational view taken along line BB of FIG. FIG. 3 is a cross-sectional view schematically showing a part of a gland which has been subjected to a water draining method using the base shown in FIG. FIG. 4 is a cross-sectional view of one embodiment schematically showing a cross-sectional structure obtained by the drainage method of the present invention. FIG. 5 is a cross-sectional view of another embodiment schematically showing the cross-sectional structure of the water draining method of the present invention.

FIG. 6 is a sectional view schematically showing an embodiment of the present invention in which a water tank is provided underground in the ground. FIG. 7 is a perspective view of a plastic corrugated plate for draining water used in the draining method of the present invention. FIG. 8 is a perspective view of a plastic corrugated plate for draining water according to another embodiment. FIG. 9 shows a plastic corrugated plate for draining water, (a) is a plan view and (b) is its C-
It is sectional drawing cut | disconnected by C, (c) is an elevation view of the peg for hammering a plastic corrugated board. FIG. 10: is a figure which shows the side view of the plastic corrugated board which consists of a convex stripe made into different height. FIG. 11 is a plan view of a plastic corrugated plate in which a water draining hole is opened in a recess on one side. FIG. 12 is a plan view of a plastic corrugated plate in which a water draining hole is opened in a recess on one side, (a) is a plan view of the plastic corrugated plate having no integrally formed anti-slip bars, and (b) is ( It is a figure which wound up the plastic corrugated board of a) with the one side part which opened the hole for water drainage as an outer side, and set it as the water permeable pipe for water drainage. FIG. 13 shows a water leakage preventing joint member of a joint portion of a plastic corrugated sheet, (a) is a corrugated sheet joint member for use in a joint portion in which a concavo-convex strip is abutted at right angles to the seam, and (b) is corrugated parallel to the joint The corrugated sheet joining member for use in the joining portion where the ribs are abutted together, and (c) shows the corrugated sheet joining member for use in the joint portion where the concavo-convex strips are abutted with the joint. FIG. 14 is an explanatory view of a gland by a conventional drainage method, (a) is a plan view of a gland provided with a drainage network, (b) is a cross-sectional view of a groove of the drainage network, and (c) is water. It is a perspective view of the water permeable pipe for extraction.

An embodiment of the present invention will be described. As shown in FIG. 1, the ground, such as a ground, park, golf course, construction site, cultivated land, or mountain slope, which requires the drainage method of the ground, is dug down and the concrete groove block 4 is used. A water channel 3 surrounding the base 2 is formed. The central part 5 of the ground in the water channel 3 is raised from the peripheral part 6 and the ground is leveled by roller rolling to form the base 2. As shown in FIG. 2, the entire surface of the base 2 is covered with a plastic corrugated plate 7 composed of an alternating combination of convex stripes 18 and concave stripes 19, crushed stones 8 are stacked on the plastic corrugated board 7, and further crushed stones 8 Cover the top with ground topsoil 9.

In this case, in another embodiment, the crushed stone 8 is stacked with the water-permeable mat 10 laid on the plastic corrugated plate 7 and interposed. The crushed stone 8 has a large diameter in the lower portion and an upper portion made of sand stone 12 having a smaller diameter. In still another embodiment, a water-permeable mat 11 is laid on the crushed stone 8 to be interposed, and the ground mat 9 is covered thereover. As described above, the water-permeable mat 10 and the water-permeable mat 11 are either drained by interposing either one or both at the same time.

Further, in the water draining method of the gland or the like according to another embodiment, the crushed stone 8 piled on the plastic corrugated plate 7
Instead of, the water-permeable mat 13 is laid directly on the plastic corrugated sheet 7, and the water-permeable mat 13 is covered with the ground surface soil 9.

In the gland 1 formed by draining water by the above-mentioned construction method, water that has soaked into the ground surface soil 9 due to precipitation or the like is passed from the concave line 19 of the plastic corrugated plate 7 to the surrounding water channel 3.
Pour into and drain. In this case, ground 2 base 2
Since the entire surface is covered with the plastic corrugated sheet 7, water such as rainwater does not pass through the plastic corrugated sheet 7 and soak into the base 2 and is provided from the recess 19 of the plastic corrugated sheet 7 to the surroundings. Since the water is quickly drained to the water channel 3, the ground 1 can be used in a short time when the rainfall subsides.

In the water draining method for the gland 1 and the like according to the above-described embodiment, the water tank 14 is further provided below the base 2 of the gland 1. The water channel 3 around the ground is connected to this water tank 14, and the water collected from the ground topsoil 9 to the water channel 3 is stored in this water tank 14.
In this case, a drain 15 is provided in the water channel 3 flowing to the water storage tank 14 so that the water can be drained at a proper time. By storing water in the water tank 14 provided in the basement 2 of the ground 1 to prevent flooding in the urban area and to be prepared for drought, and by draining water, it can be used for a shelter. Be prepared for crisis management.

An embodiment of the plastic corrugated sheet 7 used for the drainage method of the gland of the present invention will be described. The plastic corrugated plate 7 has one end 16 and the other end 17 as a ridge 18, and a ridge 19 is provided next to the ridge 18 so that the ridge 18 and the ridge 19 are alternately combined. To form. The ridge 18 of the one end 16 is formed so as to be superposed on and joined to the ridge 18 of the other end 17 of another plastic corrugated plate 7 that is adjacently arranged in the water draining method.
Therefore, the convex strip 18 of the one end 16 is always formed in the hollow portion 21 with the rear surface side thereof being removed. Further, the end portion in the direction of the ridges and the one end portion always have the hollow portion 21 on the back surface side.
As a result, the joint with the other plastic corrugated sheet 7 in the direction of the ridges can be overlapped. The overlapping portions are stopped by the pegs 24 so that they are not displaced from each other.

Further, on the upper surface of the ridge 18, a crushed stone locking convex pattern 20 is formed on the entire surface so that the crushed stone 8 stacked thereon can be locked without slipping down.

Further, a non-slip bar 23 is integrally formed on the back side of these plastic corrugated plates 7 so as not to slip off the base plate 2. The crosspiece 23 is preferably formed in a direction crossing the inclined surface of the base 2 in order to prevent slippage more effectively. Also the cross 23
In addition to non-slip, it also serves as reinforcement and thickness control.

The back surface of the ridges 18 of the plastic corrugated sheet 7 is hollow 21 only for the ridges 18 on one end 16 side so as to withstand the load of the ground, but all the other ridges 18 The back surface of the is a solid portion 22 as shown in FIG. However, when the plastic corrugated sheet 7 that can withstand the load is used, all of the ridges 18 including the ridges 18 of the one end 16 are hollow portions 21 as shown in FIG. A convex pattern 20 is provided on the upper surface of the ridge 18 so that the crushed stone 8 stacked on the upper surface of the plastic corrugated plate 7 can be locked without slipping.

The height of the ridges of the plastic corrugated plate 7 is changed depending on the slope of the base 2 or according to the amount of water to be drained, and is made higher in the portion where the amount of water is large. As shown in FIG. 10, the height of the ridges 18 is sequentially changed in the plastic corrugated plate 7 according to the gradient of the base 2 to adjust the gradient of the ground.

A peg 24 which is engaged with another plastic corrugated plate 7 when the plastic corrugated plate 7 is laid is shown in FIG. 9 (c). In this case, by stacking the end of the plastic corrugated plate 7 in the high slope portion on the end of the plastic corrugated plate 7 in the low slope portion, the running water from the upstream side is below the lower plastic corrugated plate 7. Do not enter.

Further, in order to cover the joint between the adjacent plastic corrugated plates 7, 7, an elongated plastic joint plate 28 shown in FIG. 13 is put on the joint. This plastic connecting plate 28 is bent so that it fits tightly with the plastic corrugated plates 7, 7 on the lower surface, and is further bent according to the corrugations of the plastic corrugated plates 7, 7 on the lower surface. As shown in (a) of FIG. 13, those provided with uneven lines in the horizontal direction, those provided with uneven lines in the vertical direction as shown in (b) of the same figure, as shown in (c) of the same figure. It is formed, for example, in a shape in which uneven lines are formed in an oblique direction.

As shown in FIG. 11, the plastic corrugated plate 7 covering the water channel 3 around the ground 1 is provided on the upper surface 2 of the water channel.
6, a water intake hole 25 is opened at the bottom of the recessed ridge 19, and water flowing through the recessed ridge 19 is taken from the water intake hole 25 to the water channel 3 therebelow.
Shall be dropped. By the way, as shown in (a) of FIG. 12, when the water intake holes 25 are provided at the bottoms of all the recesses 19 of the plastic corrugated plate 7, as shown in (b) of the same figure,
By winding this plastic corrugated sheet 7, the water permeable cylinder 27
Can be Therefore, as shown in FIG. 14A, when the grooves 31 are meshed in the gland 1 by the conventional method to form the drainage network 30, a large number of pipes are formed on the surrounding pipe wall 34 shown in FIG. 14C. In a drainage facility in which a water permeable pipe 33 having a water permeable hole 35 is laid in a crushed stone 32 packed in a groove 31, as shown in FIG. The drainage network 30 can be laid on the ground 1 by using the water permeable cylinder 27 formed by winding the plate 7.

In the ground 1 of a golf course having such a large area, the drainage network 30 as described above is provided on the base 2 in advance, and the upper portion of the drainage network 30 of the present invention is recessed on the ground 2. Plastic corrugated plate 7 with water intake holes 25 in the section 19
It is also possible to lay down and construct the drainage method of the present invention.

The plastic of the plastic corrugated sheet 7 according to the present invention can be effectively utilized by recycling waste plastic, and is also used for returning the ground 1 by the construction method of the present invention to the original ground. The plastic corrugated sheet 7 can be recycled and reused so that resources can be effectively used and the environment is not polluted.

[0030]

As described above, the present invention is a drainage method in which water such as rainfall is prevented from permeating the base with a plastic corrugated sheet, so that the drainage of the ground is efficiently performed in an extremely short time. It is possible to improve the utilization efficiency of the ground, and the water in the drain does not overflow from the water permeable pipe laid in the drainage channel in reverse. Furthermore, by installing a water tank underground in the ground. It has a great advantage in that it can store a huge amount of water, can be prepared for a crisis, and that the plastic of the plastic corrugated sheet can be recycled.

[Brief description of drawings]

FIG. 1 is a schematic view of a base in a water draining method for a gland or the like of the present invention, (a) is a plan view of the base, and (b) is an elevation view cut along AA of (a).

2A and 2B are schematic views of a water-drainage plastic corrugated plate covering a base, FIG. 2A is a plan view, and FIG. 2B is an elevation view taken along the line BB of FIG.

FIG. 3 is a cross-sectional view schematically showing a part of a gland subjected to a water draining method using the base shown in FIG.

FIG. 4 is a cross-sectional view of one embodiment schematically showing a cross-sectional structure obtained by the drainage method of the present invention.

FIG. 5 is a cross-sectional view of another embodiment schematically showing the cross-sectional structure of the water draining method of the present invention.

FIG. 6 is a cross-sectional view schematically showing an embodiment of the present invention in which a water storage tank is provided below the ground.

FIG. 7 is a perspective view of a plastic corrugated plate for draining water used in the draining method of the present invention.

FIG. 8 is a perspective view of a plastic corrugated plate for draining water according to another embodiment.

FIG. 9 is a plastic corrugated plate for draining water, (a) is a plan view, (b) is a sectional view taken along the line CC, and (c) is a peg for striking the plastic corrugated plate. It is an elevation view.

FIG. 10 is a diagram showing a side view of a plastic corrugated plate having convex stripes having different heights.

FIG. 11 is a plan view of a plastic corrugated plate in which a water draining hole is opened in a recess on one side.

FIG. 12 is a plan view of a plastic corrugated plate in which a hole for draining water is opened in a concave line on one side, (a) is a plan view of the plastic corrugated plate that does not have an integrally formed slip bar at the bottom,
(B) is a figure which wound the plastic corrugated board of (a) with the one side part which opened the hole for water drainage as an outer side, and was made into the water permeable pipe.

FIG. 13 is a water leakage preventing joint member for a joint portion of a plastic corrugated sheet, (a) is a corrugated sheet joint member for use in a joint portion having projections and depressions at right angles to the joint, and (b) is parallel to the joint. A corrugated sheet joining member for use in a joint portion having bumps and dips, and (c) shows a corrugated sheet joining member for use in a joint portion having bumps and dips obliquely attached to a seam.

FIG. 14 is an explanatory view of a gland by a conventional water draining method, (a) is a plan view of a gland provided with a drainage network,
(B) is sectional drawing of the groove | channel of a drainage network, (c) is a perspective view of the water permeable pipe for draining.

[Explanation of symbols]

1 grand 2 foundation 3 waterways 4 groove block 5 Central part 6 peripheral area 7 plastic corrugated sheet 8 crushed stone 9 ground topsoil 10 water-permeable mat 11 water-permeable mat 12 sand stones 13 water-permeable mat 14 water tank 15 drain 16 edge 17 Edge 18 convex stripes 19 concave 20 convex pattern 21 hollow 22 Solid part 23 crosses 24 pegs 25 Water intake hole 26 Waterway upper surface 27 water permeable cylinder 28 plastic board 29 Folded line part 30 drainage network 31 groove 32 crushed stone 33 water permeable pipe 34 pipe wall 35 water permeable holes

Claims (9)

[Claims] 1. A ground, park, golf course, construction site,
In the method of draining the ground such as cultivated land or mountain slope (hereinafter referred to as "ground"), the surrounding water of the ground required drainage is dug to form a water channel surrounding the ground, The central part is piled up from the peripheral part and grounded by roller compaction to form a base, the entire surface of the base is covered with a plastic corrugated plate composed of alternating combinations of convex and concave stripes, and crushed stones are piled on the plastic corrugated plate. A drainage method for a gland or the like, characterized in that the top of the gland is covered with ground topsoil, and water that has soaked into the ground topsoil due to precipitation or the like is poured into the surrounding waterways from the recesses of the plastic corrugated sheet and drained. 2. A drainage method for a gland or the like according to claim 1, wherein a water-permeable mat is interposed on a plastic corrugated plate and crushed stones are piled on the mat. 3. A drainage method for a gland or the like according to claim 1, wherein a permeable mat is interposed on the crushed stone and the ground mat is covered with the ground topsoil. 4. The method for draining a gland or the like according to claim 1, wherein a permeable mat is placed on a plastic corrugated sheet, crushed stones are piled on the permeable mat, and a permeable mat is placed on the crushed stone, and the ground topsoil is placed thereon. A drainage method such as a gland characterized by covering with. 5. The method for draining water such as a gland according to claim 1, in place of the crushed stones piled on the plastic corrugated plate,
A water draining method for a gland, which is characterized by laying a water-permeable mat directly on a plastic corrugated sheet and covering it with a ground surface soil. 6. A drainage method for a gland or the like according to any one of claims 1 to 5, wherein a water tank is provided in the basement of the ground, and a water channel around the ground is connected to the water tank. A drainage method for a gland or the like, characterized in that the water collected from the surface soil to the waterway is stored in the water tank. 7. A plastic corrugated sheet formed by alternately combining convex strips and concave strips with the end portion as a convex strip, wherein the convex strip at the end portion is formed into a convex strip at the end portion of another plastic corrugated sheet. A plastic corrugated sheet for draining water such as glands, which can be joined by overlapping. 8. The plastic corrugated plate for draining water such as a gland according to claim 7, wherein the convex strip has a convex pattern for locking crushed stones on its upper surface. 9. A plastic corrugated plate for draining water such as a gland, characterized in that it has a non-slip crosspiece integrally formed on the back side surface of the plastic corrugated plate according to claim 7 or 8.