CN210164015U - Slope section road step gradual change type water storage and drainage ecological green belt system - Google Patents
Slope section road step gradual change type water storage and drainage ecological green belt system Download PDFInfo
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- CN210164015U CN210164015U CN201920781700.7U CN201920781700U CN210164015U CN 210164015 U CN210164015 U CN 210164015U CN 201920781700 U CN201920781700 U CN 201920781700U CN 210164015 U CN210164015 U CN 210164015U
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Abstract
The utility model relates to a slope section road ladder gradual change formula holds ecological greenbelt system of drainage, including former soil layer, its characterized in that: the slope section is provided with water retaining walls at intervals, and a water-resisting layer, a sand cushion layer, fine gravel, coarse gravel, permeable geotextile and planting soil are paved above the slope section; the water-resisting layer is laid along the slope section, the water-resisting layer is positioned on the water-stopping wall and wraps the water-stopping wall, the sand cushion layer is laid between the adjacent water-stopping walls, the fine gravel is in a ladder shape, and a water seepage well is buried in part of the fine gravel; the flat section is provided with a water retaining wall, a reservoir and planting soil, a water pump, a water inlet pipe and a water outlet pipe are arranged in the reservoir, and the water inlet pipe, the water outlet pipe and the water retaining wall extend to the surface of the planting soil; planting soil both sides be equipped with curb and water passing curb, water passing curb interval sets up between a plurality of curbs. The utility model discloses a water blocking wall, sealing layer, fine gravel isotructure mutually combine, have better penetrating, row, water storage capacity in slope section road green belt.
Description
Technical Field
The utility model relates to an ecological greenbelt construction technical field of slope section particularly, relates to an ecological greenbelt system of slope section road ladder gradual change formula retaining drainage, is applicable to newly-built, rebuild, the construction of the sponge city town slope section road greenbelt rainwater control of enlargement and utilizes the system.
Background
At present, the construction mode of most cities is basically to harden the road surface and utilize underground drainage pipe to drain water, every heavy rain, mainly rely on "grey" facilities such as pipe canal, pump station to drain water, with "quick elimination" and "terminal centralized" control as the main planning design philosophy, often cause the consequence that the rain is necessary to waterlog, drought and flood the rush, and greenbelts such as greenbelt, lawn and garden next to the urban road basically adopt vegetation-soil traditional planting mode, easily cause soil loss, vegetation soak damage when meeting heavy rain, even cause the situation of light rain ponding, heavy rain waterlogging, do not help effective collection and make full use of rainwater yet.
To above-mentioned problem, application number 201810195052.7 discloses a infiltration greenbelt for sponge city, and top-down includes vegetable layer, soil horizon, filter layer, the geotechnological cloth that permeates water, permeates water pipe and bed course, permeate water the pipe and run through between the bed course, permeate water the end-to-end connection water storage device of pipe, water storage device be equipped with outlet pipe, check valve and with pipe network, pump station or underground drainage pipe's outer row butt joint. The invention integrates water absorption, water storage, water seepage, water purification, water drainage and water use. The structure can slow down urban waterlogging, can improve the utilization rate of rainwater, and has the benefits of ecological environmental protection, energy conservation and the like.
However, for mountain roads or urban roads with slopes, since the roads have a certain slope, rainwater in the roads after rainfall collects in the ecological green belt, and the rainwater can flow to low-lying positions along the slope, so that the water storage of the ecological green belt at the slope section is difficult, and the low-lying position of the ecological green belt at the flat section below forms a depression.
SUMMERY OF THE UTILITY MODEL
The invention aims to provide a step gradual type water storage and drainage ecological green belt system for a slope road, aiming at the problem that the water storage and drainage of the traditional slope road ecological green belt are difficult.
In order to realize the technical purpose, the utility model discloses a following technical scheme:
the utility model relates to a slope section road ladder gradual change formula holds drainage ecological greenbelt system, including former soil layer, former soil layer have slope section and flat section, slope section on the interval set up the water blocking wall, slope section top from the bottom up lays water barrier, sand cushion layer, fine gravel, thick gravel, the geotechnological cloth that permeates water and planting soil in proper order; the water-resisting layer is laid along the slope section, the water-resisting layer is positioned on the water-stopping wall and wraps the water-stopping wall, the sand cushion layer is laid between the adjacent water-stopping walls, the fine gravels are in a ladder shape, the top surfaces of the fine gravels are lower than the top surface of the first water-stopping wall below the fine gravels or are flush with the top surface of the first water-stopping wall below the fine gravels, seepage wells are buried in part of the fine gravels, the bottoms of the seepage wells are inserted into the fine gravels, and planting soil extends out of the tops of the seepage wells; the flat section is provided with a water retaining wall, a reservoir and planting soil, a water pump, a water inlet pipe and a water outlet pipe are arranged in the reservoir, and the tops of the water inlet pipe, the water outlet pipe and the water retaining wall extend to the surface of the planting soil; the both sides of planting soil be equipped with curb and water passing curb, water passing curb interval sets up between a plurality of curbs, and the position of the water passing curb of both sides staggers each other.
Preferably, the planting soil is internally provided with a filtering well, the position of the filtering well corresponds to the position of the water passing curb, and the filtering well is provided with grating fences on the other three side surfaces except for the side opposite to the water passing curb.
Preferably, in the inclined direction of the slope section, the top surface of the lowermost fine gravel is lower than the top surface of the lowermost water-retaining wall, and the top surfaces of the remaining fine gravel are flush with the top surface of the first water-retaining wall therebelow.
Preferably, the length of the water blocking wall is consistent with the width of the greening belt, the height of the water blocking wall is 30-50 cm, and sealing layers are filled between the water blocking wall and the curb stones on the two sides.
Preferably, the coarse gravel is laid obliquely, and the laying gradient is consistent with the gradient of the slope section.
Preferably, the cistern include a plurality of water storage tanks, the periphery parcel of cistern has water proof geotechnological cloth, the bottom of cistern is provided with the basic unit, the top of the water proof geotechnological cloth at top covers there is the upper fine sand.
Preferably, the horizontal distance between the water retaining wall and the water retaining wall at the lowest part is 2.5-3 m.
Preferably, the brick foundation is laid below the kerbstone and the water passing kerbstone, and concrete edge seals are arranged on one sides, close to the planting soil, of the kerbstone and the water passing kerbstone.
Preferably, the water pump is connected with the bottom of the water outlet pipe, and the water pump and the water outlet pipe are both arranged in the water inlet pipe.
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) water blocking walls are arranged in the green belt at certain intervals, and are flatly paved between an upper water blocking wall and a lower water blocking wall in a step shape by using fine gravels, the flatly paved height is slightly higher than that of the fine gravels except for the lowest water blocking wall of the green belt, the rest of the height is consistent with that of the water blocking walls, rainwater on the upper part is blocked by the water blocking walls and stored in the step-shaped fine gravels, and when too much rainwater flows into the next step-shaped fine gravels, so that the problem of water storage and drainage is solved.
(2) The waterproof geotextile covers the original soil layer and the slope surfaces at two sides along the slope section, and wraps the water retaining wall to form an integral impervious layer, so that the difficulty of water storage of the green belt caused by rainwater infiltration is avoided.
(3) Utilize thick gravel to look for the slope and combine the effectual water-through route of stopping the lower part of geotechnological cloth that permeates water, water in the planting soil is easily arranged in the thin gravel, avoids appearing the water hole in the planting soil.
(4) By arranging the water retaining wall and the reservoir in the flat section at the bottom of the slope, redundant rainwater at the upper part is effectively stored and blocked, and rainwater is prevented from flowing four times to form a depression; simultaneously, the rainwater that stores in the cistern can be used to the irrigation of vegetation from now on, and the rainwater utilization ratio is high.
(5) The seepage well is buried in the fine gravel in front of the water blocking wall at a certain distance, so that rainwater stored in the fine gravel can be gathered in the seepage well, and the watering and irrigation of the green belt are facilitated.
Drawings
FIG. 1 is a schematic view of a slope road step gradual type water storage and drainage ecological green belt system;
FIG. 2 is a schematic top view of the gradual change type water storage and drainage ecological green belt system for the slope road of FIG. 1;
FIG. 3 is a schematic longitudinal section view of the step-gradual water storage and drainage ecological green belt system of the slope road of FIG. 1;
fig. 4 is a detailed structural view of the water reservoir.
In the figure: 1. the water-permeable road curb comprises a curb, 2 parts of a water-permeable curb, 3 parts of a filter well, 4 parts of a grid fence, 5 parts of a water-blocking wall, 6 parts of a sealing layer, 7 parts of a water-permeable well, 8 parts of a reservoir, 801 parts of a water storage tank, 802 parts of water-permeable geotextile, 803 parts of a base layer, 804 parts of upper-layer fine sand, 9 parts of a water inlet pipe, 10 parts of a water outlet pipe, 11 parts of a water pump, 12 parts of a raw soil layer, 13 parts of a sand cushion layer, 14 parts of a water-permeable layer, 15 parts of fine gravel, 16 parts of planting soil, 17 parts of a water-blocking wall, 18 parts of a brick foundation, 19 parts of coarse gravel.
Detailed Description
For further understanding of the present invention, the present invention will be described in detail with reference to the following embodiments, which are not intended to limit the present invention.
With reference to fig. 1 and 2, the utility model relates to a slope section road ladder gradual change type water storage and drainage ecological green belt system, including former soil layer 12, there are slope section and flat section in former soil layer 12. The slope section is provided with water retaining walls 5 at intervals, the water retaining walls 5 are arranged at intervals of 1.2m, and a water-resisting layer 14, a sand cushion layer 13, fine gravels 15, coarse gravels 19, permeable geotextile 20 and planting soil 16 are sequentially paved above the slope section from bottom to top. The water-resisting layer 14 is laid along the slope section, the water-resisting layer 14 is made of HDPE impermeable film, the thickness is not less than 1.0mm, and the weight is not less than 300g/m2The lapping width is more than 100mm, the water-stop wall 5 is wrapped by the water-stop layer 14 at the position of the water-stop wall 5, the length of the water-stop wall 5 is consistent with the width of the greening belt, and the height is 30-50 cm; the sand cushion layer 13 is laid between the adjacent water-stop walls 5, the fine gravel 15 is in a step shape, the top surface of the fine gravel 15 is lower than the top surface of the first water-stop wall 5 below the fine gravel 15 or is flush with the top surface of the first water-stop wall 5 below the fine gravel 15, in the inclined direction of the slope section, the top surface of the lowermost fine gravel 15 is lower than the top surface of the lowermost water-stop wall 5 by about 5cm, and the top surfaces of the rest of the fine gravel 15 are flush with the top surface of the first water-stop wall 5 below the fine gravel 15, so that the height of the water-stop walls 5 can be fully utilized to form higher fine gravel 15 for storing water and increasing the water yield. A water seepage well 7 is buried in part of the fine gravels 15 (every interval is 2.4m), the water seepage well 7 adopts a cement permeation tube with the diameter of 20cm, the bottom of the water seepage well 7 is inserted into the fine gravels 15, the buried depth is 0.8m, planting soil 16 extends out of the top of the water seepage well 7, and rainwater stored in the fine gravels is gathered in the water seepage well 7 by the water seepage well 7, so that the water seepage well is convenient to use during irrigation; the coarse gravel 19 is laid obliquely, and the laying gradient is consistent with the gradient of the slope section.
Referring to the attached drawings 1 and 2, the flat section is provided with a water retaining wall 17, a reservoir 8 and planting soil 16, and the horizontal distance between the water retaining wall 17 and the water retaining wall 5 at the lowest part is 2.5 m. Water reservoir8 is arranged between the water retaining wall 17 and the lowest water retaining wall 5; referring to fig. 4, the reservoir 8 includes a plurality of water storage tanks 801 arranged in order, the water storage tanks 801 are PP water storage modules, the periphery of the reservoir 8 is wrapped with a water-proof geotextile 802, the bottom of the reservoir 8 is provided with a base layer 803, the base layer 803 is made of 100-thick C15 concrete, the water-proof geotextile 802 is made of an impermeable membrane made of HDPE material, the thickness is not less than 1.0mm, and the weight is not less than 300g/m2The waterproof geotextile 802 must be spread and welded at the bottom of the pool, the lap joint width should be more than 100mm, and the corners of the water storage tank 801 are overlapped by adopting a plurality of layers of waterproof geotextile 802. 8 inside water pump 11 of being furnished with of cistern, inlet tube 9 and outlet pipe 10, water pump 11 is connected with the bottom of outlet pipe 10, and water pump 11 and outlet pipe 10 are all installed inside inlet tube 9, the top of outlet pipe 10 and breakwater 17 all extends to planting soil surface, wherein, breakwater 17 exceeds greenbelt planting soil 5cm, inlet tube 7 should be greater than 2 times inlet tube 7 pipeline diameters with water proof geotechnological cloth 802 binding face length, inlet tube 7 uses double hoops fixed with water proof geotechnological cloth 802, the top of the water proof geotechnological cloth 802 at top covers has upper layer fine sand 804 that 200mm is thick at least, a water proof geotechnological cloth 802 for the protection upper strata.
With reference to fig. 3, both sides of the planting soil 16 are provided with kerbstones 1 and water passing kerbstones 2, the water passing kerbstones 2 are arranged among the plurality of kerbstones 1 at intervals, the positions of the water passing kerbstones 2 on both sides are staggered, sealing layers 6 are filled between the water blocking walls 5 and the kerbstones 1 on both sides, and the sealing layers 6 are waterproof sealants. The brick foundation 18 is laid below the kerbstone 1 and the water passing kerbstone 2, a concrete edge sealing 21 is arranged on one side, close to the planting soil 16, of the kerbstone 1 and the water passing kerbstone 2, and the concrete edge sealing 21 and the brick foundation 18 are used for keeping the kerbstone 1 and the water passing kerbstone 2 smooth and ensuring that the kerbstone 1 and the water passing kerbstone 2 are on the same straight line. Be equipped with in the planting soil 16 and filter the well 3, the position of filtering the well 3 corresponds with the position of crossing curb 2, and filter the well 3 except just crossing one side of curb 2, all the other three sides all are equipped with grid rail 4, and filter the well 3 and be used for filtering the particulate matter of discharging into the greenbelt in-band rainwater from crossing curb 2 outlet, avoid causing the jam of inlet tube 9 and infiltration well 7 in the rainwater is collected.
The utility model relates to a slope section road ladder gradual change formula holds ecological greenbelt system of drainage's construction step does:
step one, inserting water retaining walls 5 into slope sections of original soil layers 12 at intervals, and wrapping water-resisting layers 14 on the slope surfaces of the slope sections and the peripheries of the water retaining walls 5 to prevent rainwater from permeating the original soil layers 12;
secondly, paving sand cushions 13 between the adjacent water blocking walls 5, paving fine gravels 15 on the sand cushions 13, inserting water seepage wells 7 on part of the fine gravels 15, wherein the height of the water seepage wells 7 is higher than the preset paving height of planting soil 16, and paving coarse gravels 19 above the fine gravels 15;
step three, pouring to form a water retaining wall 17 at the flat section, laying a base layer 803 between the water retaining wall 17 and the water retaining wall 5 at the bottom, arranging water storage tanks 801 in order to form a water storage tank 8, wrapping a waterproof geotextile 802 outside the water storage tank 8, and laying upper-layer fine sand 804 above the waterproof geotextile 802 on the upper layer;
and fourthly, paving planting soil 16, burying a filter well 3 and a grating fence 4 at the position of a preset water passing curb 2 in advance, and then paving the curb 1 and the water passing curb 2 on two sides of the green belt in sequence.
The slope road step gradual change type water storage and drainage ecological green belt system is characterized in that water retaining walls 5 with the width consistent with that of green belts are buried in an original soil layer at intervals, and gaps between the water retaining walls 5 and the curb stones 1 on two sides are sealed by sealing layers 6. Paving a water-resisting layer 14 on the upper surface of the original soil layer and on the outer side of the water-resisting wall along the slope; stepped fine gravels 15 are arranged between the upper water blocking wall and the lower water blocking wall 5, the fine gravels are paved at an angle consistent with the slope by using coarse gravels, rainwater is blocked by the water blocking walls 5 and stored in the stepped fine gravels 15, and when too much rainwater flows into the next stepped fine gravel 15, so that the problems of water storage and drainage are solved. The flat section is provided with the reservoir 8 and the water retaining wall 17, secondary water storage is realized at the reservoir 8, and rainwater on the upper part is prevented from flowing.
The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (9)
1. The utility model provides a slope section road ladder gradual change formula is held ecological greenbelt system of drainage, includes former soil horizon (12), and there are slope section and flat section in former soil horizon (12), its characterized in that: the slope section is provided with water retaining walls (5) at intervals, and a waterproof layer (14), a sand cushion layer (13), fine gravels (15), coarse gravels (19), a permeable geotextile (20) and planting soil (16) are sequentially paved above the slope section from bottom to top; the water-resisting layer (14) is laid along the slope section, the water-resisting layer (14) is positioned on the water-stopping wall (5) and wraps the water-stopping wall (5), the sand cushion layer (13) is laid between the adjacent water-stopping walls (5), the fine gravel (15) is in a ladder shape, the top surface of the fine gravel (15) is lower than the top surface of the first water-stopping wall (5) below the fine gravel (15) or is flush with the top surface of the first water-stopping wall (5) below the fine gravel (15), a water seepage well (7) is buried in part of the fine gravel (15), the bottom of the water seepage well (7) is inserted into the fine gravel (15), and planting soil (16) extends out of the top; the flat section is provided with a water retaining wall (17), a reservoir (8) and planting soil, a water pump (11), a water inlet pipe (9) and a water outlet pipe (10) are arranged in the reservoir (8), and the tops of the water inlet pipe (9), the water outlet pipe (10) and the water retaining wall (17) extend to the surface of the planting soil; the both sides of planting soil (16) be equipped with curb (1) and cross curb (2), cross curb (2) interval and set up between a plurality of curbs (1), and the position of the curb of crossing (2) of both sides staggers each other.
2. The slope section road step gradual change type water storage and drainage ecological greening belt system as claimed in claim 1, wherein: the planting soil (16) in be equipped with and filter well (3), the position of filtering well (3) corresponds with the position of crossing water curb (2), filter well (3) except just to the one side of crossing water curb (2), all the other three sides all are equipped with grid rail (4).
3. The slope section road step gradual change type water storage and drainage ecological greening belt system as claimed in claim 1, wherein: in the inclined direction of the slope section, the top surface of the lowermost fine gravel (15) is lower than the top surface of the lowermost water-stop wall (5), and the top surfaces of the rest fine gravel (15) are flush with the top surface of the first water-stop wall (5) below the rest fine gravel.
4. The slope section road step gradual change type water storage and drainage ecological greening belt system as claimed in claim 1, wherein: the length of the water blocking wall (5) is consistent with the width of the greening belt, the height of the water blocking wall is 30-50 cm, and sealing layers (6) are filled between the water blocking wall (5) and the curb stones (1) on the two sides.
5. The slope section road step gradual change type water storage and drainage ecological greening belt system as claimed in claim 1, wherein: the coarse gravel (19) is obliquely laid, and the laying gradient is consistent with the gradient of the slope section.
6. The slope section road step gradual change type water storage and drainage ecological greening belt system as claimed in claim 1, wherein: the water storage tank (8) comprises a plurality of water storage tanks (801), the periphery of the water storage tank (8) is wrapped with water-resisting geotextile (802), a base layer (803) is arranged at the bottom of the water storage tank (8), and upper-layer fine sand (804) covers the top of the water-resisting geotextile (802).
7. The slope section road step gradual change type water storage and drainage ecological greening belt system as claimed in claim 1, wherein: the horizontal distance between the water retaining wall (17) and the water retaining wall (5) at the lowest part is 2.5-3 m.
8. The slope section road step gradual change type water storage and drainage ecological greening belt system as claimed in claim 1, wherein: curb (1) and the below of crossing curb (2) laid brick basis (18), curb (1) and one side of crossing curb (2) near planting soil (16) are equipped with concrete banding (21).
9. The slope section road step gradual change type water storage and drainage ecological greening belt system as claimed in claim 1, wherein: the water pump (11) is connected with the bottom of the water outlet pipe (10), and the water pump (11) and the water outlet pipe (10) are both arranged in the water inlet pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920781700.7U CN210164015U (en) | 2019-05-28 | 2019-05-28 | Slope section road step gradual change type water storage and drainage ecological green belt system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920781700.7U CN210164015U (en) | 2019-05-28 | 2019-05-28 | Slope section road step gradual change type water storage and drainage ecological green belt system |
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| CN201920781700.7U Expired - Fee Related CN210164015U (en) | 2019-05-28 | 2019-05-28 | Slope section road step gradual change type water storage and drainage ecological green belt system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379202A (en) * | 2020-03-24 | 2020-07-07 | 王文超 | Prevent enhancement road bed road surface of ponding |
| CN112982643A (en) * | 2021-03-03 | 2021-06-18 | 青岛西海岸市政工程有限公司 | A step water blocking and regulation and storage system for municipal administration rainwater pipe net |
| CN114277906A (en) * | 2021-11-30 | 2022-04-05 | 中煤科工集团沈阳设计研究院有限公司 | Drainage system and construction method for residual water on side slope of mine pit |
-
2019
- 2019-05-28 CN CN201920781700.7U patent/CN210164015U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379202A (en) * | 2020-03-24 | 2020-07-07 | 王文超 | Prevent enhancement road bed road surface of ponding |
| CN112982643A (en) * | 2021-03-03 | 2021-06-18 | 青岛西海岸市政工程有限公司 | A step water blocking and regulation and storage system for municipal administration rainwater pipe net |
| CN114277906A (en) * | 2021-11-30 | 2022-04-05 | 中煤科工集团沈阳设计研究院有限公司 | Drainage system and construction method for residual water on side slope of mine pit |
| CN114277906B (en) * | 2021-11-30 | 2024-05-14 | 中煤科工集团沈阳设计研究院有限公司 | Drainage system and construction method for pit slope residual water |
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Granted publication date: 20200320 Termination date: 20210528 |