CN203878536U - Novel ecological intercepting ditch - Google Patents
Novel ecological intercepting ditch Download PDFInfo
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- CN203878536U CN203878536U CN201420307731.6U CN201420307731U CN203878536U CN 203878536 U CN203878536 U CN 203878536U CN 201420307731 U CN201420307731 U CN 201420307731U CN 203878536 U CN203878536 U CN 203878536U
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- catchwater
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Abstract
The utility model provides a novel ecological intercepting ditch which comprises a channel and a bank on one side of the channel. The bank comprises a water storage layer, a soil layer and an anti-scouring layer in sequence from bottom to top. Earthwork standard rooms are built on a slope of the bank. The space between the earthwork standard rooms is filled with soil and water storage porous foaming argil blocks. An ecological filter strip is laid at the top end of each earthwork standard room. The water storage layer is composed of water storage porous foaming argil blocks. Each layer of earthwork standard room is filled with soil and water storage porous foaming argil blocks. Pits are densely and evenly distributed in the outer surface of each water storage porous foaming argil block, and holes are densely and evenly distributed inside each water storage porous foaming argil block. The soil layer is composed of common soil. The anti-scouring layer is composed of a vegetative blanket with seeds. A protecting wire net is arranged between the soil layer and the anti-scouring layer. The ecological filter strip is a vegetative bag. According to the novel ecological intercepting ditch, the multilayer channel and the ecological filter strip are used for improving the water-holding capacity and the anti-scouring performance; the novel ecological intercepting ditch is particularly suitable for steep slopes and can effectively absorb nutrient-enriched substances, such as nitrogen and phosphorus, and heavy metal and shorten the construction period.
Description
Technical field
The utility model relates to a kind of novel ecological catchwater, belongs to conservation technology field.
Background technology
Catchwater is infrastructure common in Comprehensive Control of Soil Conservation, especially plough on steeper slope in the soil and water conservations such as terraced fields, deserted mountain, mine, its effect is the domatic rainwater of interception, prevent because of water velocity too fast domaticly or cause on ground washes away to low height above sea level, can effectively prevent the domatic soil erosion of loosing soil.Current catchwater is generally simple excavation, builds the ridge or use concrete masonry.Have although simply excavate, build the ridge effect of intercepting water, can produce certain ecological benefits, the rich nutritive material such as nitrogen, phosphorus and heavy metal etc. are had to certain absorption, easily washed away by heavy rain, the cost that the later stage need to safeguard is higher; And concrete masonry, though resistance to erosion, long service life, easily produces and silts up, within every 1～2 year, will desilting safeguard 1 time, can not produce actual ecological benefits, water-holding capacity is poor.In addition, some catchwaters geographical position of living in complexity, occurs when out-of-level, according to design specifications, generally will repairing the little protruding of a high 20～30cm in the place of interval 5～10m, and this has increased construction complexity.
Summary of the invention
In order to solve the deficiencies in the prior art, the utility model provides a kind of novel ecological catchwater, utilize multi-level irrigation canals and ditches and eco-filtration band to improve the strong and flushing resistance of water-holding capacity, effectively rich nutritive material and the heavy metal such as absorbed nitrogen, phosphorus, and reduced construction period.
The utility model for the technical scheme that its technical problem of solution adopts is: the ridge of building that comprises irrigation canals and ditches and one side, the described ridge of building is followed successively by aquifer, soil layer and erosion control brush layer from the bottom to top, the slope of building the ridge pushes away to build geotechnical grid, between described geotechnical grid, be filled with earth and water storage multihole foaming pottery clay block, geotechnical grid top is covered with eco-filtration band.
Described aquifer is made up of water storage multihole foaming pottery clay block.
Described geotechnical grid have two-layer more than, every layer of geotechnical grid is all filled with earth and the water storage multihole foaming pottery clay block of volume ratio 1:0.5-0.7.
Described geotechnical grid is connected to form by more than 2 sheet material band, each sheet material band is by protecting internal layer, protection pouch outer and middle double team to form, wherein pouch is sewed up and is formed by inner plexiform layer and outer plexiform layer, the built-in leakproof internal layer of bag and leakproof skin, on described leakproof internal layer, adhere to nutritive layer, on nutritive layer, be covered with seed; On described protection internal layer and protection skin, have implantation hole; The degree of porosity of described inner plexiform layer is 30-40%, and the degree of porosity of described outer plexiform layer is 55-65%; The described nutritive layer being attached on leakproof internal layer is that thickness is the nutritive mud of 1-2 centimetre; The outer field two ends of described protection are provided with screw and nut, for connecting adjacent sheet material band; There is aperture the outer field center of described protection, connects key to connect adjacent sheet material band for interting; The geotechnical grid that each sheet material band connects to form is cellular.
The intensive pit that is evenly distributed with of external surface of described water storage multihole foaming pottery clay block, its inner intensive hole that is distributed with equably, the diameter of hole is 0.1-2mm, and hole more than 60-80% is the poroid hole of holding one's breath, and hole wall between hole is thick is 0.1-2mm.
Described soil layer is made up of common soil.
Described erosion control brush layer is made up of the plant-growth carpet with seed.
Between described soil layer and erosion control brush layer, be provided with protecting wire net, its aperture is 1-4cm, utilizes anchor pole and anchor dish to be fixed on soil layer.
Described eco-filtration band is plant biological bag.
There is eco-filtration band on erosion control brush layer upper berth.
The beneficial effect that the utility model has based on its technical scheme is:
(1) the utility model utilizes the water storage multihole foaming pottery clay block surface of aquifer to have pit, inner pertusate feature, has good water-holding capacity;
(2) the utility model arranges protection internal layer and protects skin to consolidate the external shape of geotechnical grid by building the geotechnical grid on inclined-plane, the ridge, is easy to bending simultaneously, can stretch, and can be applicable to various landform thereby make to build the ridge, is particularly useful for steep side slope;
(3) the utility model is provided with leakproof internal layer and leakproof skin by geotechnical grid inside, prevents that nutrient solution runs off, and has ensured plant growth desired nutritional;
(4) the utility model provides nutritive layer by geotechnical grid, by properly mixed nutrient solution, for plant provides nutrition, strengthens greening ability;
(5) the utility model, by the pouch structure of geotechnical grid for plant provides growing carrier, can provide comprehensive 360 degree plant growth environments, and making to build the ridge becomes plant growth carrier, has increased green coverage;
(6) the each level of the utility model arranges rationally, the ecological multifunction catchwater of the characteristics such as the strong and resistance to erosion of water-holding capacity, and effectively rich nutritive material and the heavy metal such as absorbed nitrogen, phosphorus, and also construction period is shorter than concrete catchwater.
Brief description of the drawings
Fig. 1 is novel ecological catchwater structural representation provided by the utility model.
Fig. 2 is geotechnical grid schematic diagram.
Fig. 3 is the sheet material band structure figure of geotechnical grid.
Fig. 4 is the pouch sectional drawing of sheet material band.
Fig. 5 is novel ecological catchwater structural representation provided by the utility model.
In figure: 1-irrigation canals and ditches, 2-protecting wire net, 3-eco-filtration band, 4-erosion control brush layer; 5-soil layer, 6-aquifer, 7-geotechnical grid, 701-protects internal layer; 702-protects outer, 703-inner plexiform layer, 704-outer plexiform layer, 705-leakproof internal layer; 706-leakproof skin, 707-nutritive layer, 708-seed, 711-implantation hole; 712-nut, 713-screw, 714-sheet material band, 715-connects key; 716-anchor pricker, 717-reinforced bands, 718-pouch.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
With reference to Fig. 1, the utility model provides a kind of novel ecological catchwater, comprise the ridge of building of irrigation canals and ditches 1 and one side, the described ridge of building is followed successively by aquifer 6, soil layer 5 and erosion control brush layer 4 from the bottom to top, the slope of building the ridge pushes away to build geotechnical grid 7,7 of described geotechnical grids are filled with earth and water storage multihole foaming pottery clay block, and geotechnical grid 7 tops are covered with eco-filtration band 3.
In the present embodiment, described eco-filtration band 3 also may extend to and is laid on erosion control brush layer 4, as shown in Figure 5.
Described aquifer 6 is made up of water storage multihole foaming pottery clay block.Described geotechnical grid 7 have two-layer more than, every layer of geotechnical grid is all filled with earth and the water storage multihole foaming pottery clay block of volume ratio 1:0.5-0.7.
Described soil layer 5 is made up of common soil.Described erosion control brush layer 4 is made up of the plant-growth carpet with seed.Described eco-filtration band 7 is plant biological bag.Between described soil layer 5 and erosion control brush layer 4, be provided with protecting wire net 2, the aperture of protecting wire net 2 is 1-4cm, utilizes anchor pole and anchor dish to be fixed on soil layer.
With reference to Fig. 2, Fig. 3 and Fig. 4, described every layer of geotechnical grid connected to form by more than 2 sheet material band 714, each sheet material band is made up of the pouch 718 of protecting internal layer 701, protection outer 702 and middle double team thereof, wherein pouch is sewed up and is formed by inner plexiform layer 703 and outer plexiform layer 704, the built-in leakproof internal layer 705 of bag and leakproof skin 706, on described leakproof internal layer 705, adhere to nutritive layer 707, on nutritive layer 707, be covered with seed 708; In described protection internal layer 701 and protection outer 702, have implantation hole 711.The material of described inner plexiform layer 703 and outer plexiform layer 704 is all polyester fiber; The degree of porosity of described inner plexiform layer 703 is 30-40%, and the degree of porosity of described outer plexiform layer 704 is 55-65%; The material of described leakproof internal layer 705 and leakproof skin 706 is all string coarse cloth or filter paper; Described be attached to nutritive layer 707 on leakproof internal layer 705 for thickness be the nutritive mud of 1-2 centimetre, described nutritive mud comprises kieselguhr turfy soil, wood chip NMF and nutrient solution, wherein the volume ratio of kieselguhr, turfy soil and NMF is 1:1:0.4, and described nutrient solution is the mixed solution of ammonium nitrate, potassium nitrate and potassium dihydrogen phosphate; The two ends of described protection outer 702 are provided with screw 713 and nut 712, for connecting adjacent sheet material band; There is aperture the center of described protection outer 702, connects key 715 to connect adjacent sheet material band for interting; The geotechnical grid that each sheet material band connects to form is cellular.The outer field two ends of protection of adjacent sheet material band are connected with nut 712 by screw 713, and center is connected by connecting key 715 simultaneously.Geotechnical grid after stretching utilizes anchor pricker 716 fixing taking 10m × 10m square formation as unit, recycling reinforced bands 717 is reinforced.
The work progress of described novel ecological catchwater is:
Carry out construction lofting according to placement of route, according to catchwater design section size, carry out ditching along construction line, after digging, lay first in the vertical direction some layers of geotechnical grid, the number of plies of geotechnical grid is determined by constructure scheme; Every layer of geotechnical grid packing volume is than the earth of 1:0.5-0.7 and water storage multihole foaming pottery clay block.After the superiors' geotechnical grid has been filled, lay the plant biological bag with seed thereon, fix with anchor pole 6 and reinforced bands respectively, form and build the ridge and erosion control brush layer; The domatic bottom of irrigation canals and ditches is laid certain thickness water storage multihole foaming pottery clay block, forms aquifer, and its thickness is calculated by local amount of precipitation, and design formulas is:
Wherein, the thickness that H is aquifer, S is the catchwater area that intercepts water, and P is the 20 years each year maximum precipitation average in this area, and S ' is catchwater inclined plane area, and K is constant, generally gets 0.7.
After completing water storage multihole foaming pottery clay block, hang protecting wire net thereon, protecting wire net aperture is 1-4cm, and linked network upper and lower side is fixed with anchor pole and anchor dish.Carry out moistening to water storage multihole foaming pottery clay block, and sow grass seeds by duster with the mixture of earth, peat, humus soil, grass fiber, slow-release nutrient fertilizer, mixture thickness is 10-15cm, and spread the plant-growth carpet with seed, on plant-growth carpet, fix with anchor pole every 50-70cm, the seed of plant-growth carpet is generally selected the seed of common or local characteristic draft functional plants, the seed of the plant for example nitrogen, phosphorus, potassium or other heavy metals effectively being absorbed.
Suitable when weather conditions, after general 1 month, vegetation starts growth.
Claims (10)
1. a novel ecological catchwater, comprise the ridge of building of irrigation canals and ditches and one side, it is characterized in that: described in build the ridge and be followed successively by from the bottom to top aquifer, soil layer and erosion control brush layer, the slope of building the ridge pushes away to build geotechnical grid, between described geotechnical grid, be filled with earth and water storage multihole foaming pottery clay block, geotechnical grid top is covered with eco-filtration band.
2. novel ecological catchwater according to claim 1, is characterized in that: described aquifer is made up of water storage multihole foaming pottery clay block.
3. novel ecological catchwater according to claim 1, is characterized in that: described geotechnical grid have two-layer more than, every layer of geotechnical grid is all filled with earth and the water storage multihole foaming pottery clay block of volume ratio 1:0.5-0.7.
4. novel ecological catchwater according to claim 1, it is characterized in that: described geotechnical grid is connected to form by more than 2 sheet material band, each sheet material band is by protecting internal layer, protection pouch outer and middle double team to form, wherein pouch is sewed up and is formed by inner plexiform layer and outer plexiform layer, the built-in leakproof internal layer of bag and leakproof skin, on described leakproof internal layer, adhere to nutritive layer, on nutritive layer, be covered with seed; On described protection internal layer and protection skin, have implantation hole; The degree of porosity of described inner plexiform layer is 30-40%, and the degree of porosity of described outer plexiform layer is 55-65%; The described nutritive layer being attached on leakproof internal layer is that thickness is the nutritive mud of 1-2 centimetre; The outer field two ends of described protection are provided with screw and nut, for connecting adjacent sheet material band; There is aperture the outer field center of described protection, connects key to connect adjacent sheet material band for interting; The geotechnical grid that each sheet material band connects to form is cellular.
5. according to novel ecological catchwater described in claim 2 or 3, it is characterized in that: the intensive pit that is evenly distributed with of external surface of described water storage multihole foaming pottery clay block, its inner intensive hole that is distributed with equably, the diameter of hole is 0.1-2mm, hole more than 60-80% is the poroid hole of holding one's breath, and hole wall between hole is thick is 0.1-2mm.
6. novel ecological catchwater according to claim 1, is characterized in that: described soil layer is made up of common soil.
7. novel ecological catchwater according to claim 1, is characterized in that: described erosion control brush layer is made up of the plant-growth carpet with seed.
8. novel ecological catchwater according to claim 1, is characterized in that: between described soil layer and erosion control brush layer, be provided with protecting wire net, its aperture is 1-4cm, utilizes anchor pole and anchor dish to be fixed on soil layer.
9. novel ecological catchwater according to claim 1, is characterized in that: described eco-filtration band is plant biological bag.
10. novel ecological catchwater according to claim 1, is characterized in that: there is eco-filtration band on erosion control brush layer upper berth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420307731.6U CN203878536U (en) | 2014-06-10 | 2014-06-10 | Novel ecological intercepting ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420307731.6U CN203878536U (en) | 2014-06-10 | 2014-06-10 | Novel ecological intercepting ditch |
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| Publication Number | Publication Date |
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| CN203878536U true CN203878536U (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420307731.6U Expired - Fee Related CN203878536U (en) | 2014-06-10 | 2014-06-10 | Novel ecological intercepting ditch |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592610A (en) * | 2016-12-02 | 2017-04-26 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for preventing side slope from scouring and grass planting water-retaining belt |
| CN109469078A (en) * | 2018-12-30 | 2019-03-15 | 内蒙古蒙草生态环境（集团）股份有限公司 | A kind of flexible multiple green gully detention method |
| CN113106991A (en) * | 2021-04-22 | 2021-07-13 | 南京振高建设有限公司 | Prefabricated assembled ecological intercepting ditch |
-
2014
- 2014-06-10 CN CN201420307731.6U patent/CN203878536U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592610A (en) * | 2016-12-02 | 2017-04-26 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for preventing side slope from scouring and grass planting water-retaining belt |
| CN109469078A (en) * | 2018-12-30 | 2019-03-15 | 内蒙古蒙草生态环境（集团）股份有限公司 | A kind of flexible multiple green gully detention method |
| CN113106991A (en) * | 2021-04-22 | 2021-07-13 | 南京振高建设有限公司 | Prefabricated assembled ecological intercepting ditch |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20190610 |