CN207775642U - A kind of water-saving greening type median strip of pressure sand - Google Patents
A kind of water-saving greening type median strip of pressure sand Download PDFInfo
- Publication number
- CN207775642U CN207775642U CN201820075954.2U CN201820075954U CN207775642U CN 207775642 U CN207775642 U CN 207775642U CN 201820075954 U CN201820075954 U CN 201820075954U CN 207775642 U CN207775642 U CN 207775642U
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- Prior art keywords
- sand
- pressure
- water
- layer
- sump
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Cultivation Of Plants (AREA)
Abstract
The utility model discloses a kind of water-saving greening type median strips of pressure sand, setting is entreated in the road, it includes pressure layer of sand, fence upright, kerbstone, top course, sub-surface, roadbed, sand bedding course, cable tube, draining blind pipe, waterproof layer, improvement planting soil layer, drought-enduring plant, loaded filter, sump, drip irrigation system, pressure regulation water pump, the loaded filter, improvement planting soil layer, sand bedding course, pressure layer of sand are set gradually from top to bottom, kerbstone is respectively set in the both sides of the edge of the pressure layer of sand, and the fence upright is arranged two and on the inside of kerbstone.The utility model makes precipitation penetrate into soil, and extra moisture is discharged into sump by blind pipe after soil water storage.Pressure sand bed can reduce runoff, prevent improvement planting soil by direct sunlight again, soil capillary water rising can also be cut off, it prevents moisture from distributing outward, reduces moisture evaporation, make to improve planting soil guarantor's water storage point in the highway median strip of drought-hit area, rainy season extra precipitation is collected by draining blind pipe to sump simultaneously, the water droplet of sump is filled into drought-enduring plant so that drought-enduring plant grows with drip irrigation system, improves the survival rate of drought-enduring plant, popularizing application prospect is very wide.
Description
Technical field
The utility model belongs to highway traffic infrastructure construction technique field, and in particular to a kind of water-saving greening type of pressure sand
Median strip.
Background technology
Northwest China arid area precipitation is less, and annual rainfall is about 200~350mm, and is concentrated mainly on June to September,
Ecology fragility, plant survival rate are very low.Therefore, the middle-east Gansu area of arid tract, Central Ningxia Hui Autonomous Region area, Hami
Regional highway median strip and Intermediate Gray seldom use plant landscape with Turfan etc., mostly use bituminous concrete greatly, mix
The direct making hardening of the materials such as solidifying soil prefabricated section, prevents precipitation from penetrating into median strip and destroys road surface, this measure causes center
Dividing strip environment and periphery natural ecological environment are uncoordinated, influence to afforest and beautify landscape in the range of engineering, are unfavorable for driving
The safe driving of member.
Utility model content
In view of this, the main purpose of the utility model is to provide a kind of water-saving greening type median strips of pressure sand.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
The utility model embodiment provides a kind of water-saving greening type median strip of pressure sand, and setting is entreated in the road, is wrapped
Include pressure layer of sand, fence upright, kerbstone, top course, sub-surface, roadbed, sand bedding course, cable tube, draining blind pipe, waterproof
Layer, improvement planting soil layer, drought-enduring plant, loaded filter, sump, drip irrigation system, pressure regulation water pump, the loaded filter, improvement plantation
Soil layer, sand bedding course, pressure layer of sand are set gradually from top to bottom, and kerbstone, the shield is respectively set in the both sides of the edge of the pressure layer of sand
Column column is arranged two and on the inside of kerbstone, and the draining blind pipe is arranged among loaded filter.
In said program, the loaded filter, sand bedding course, presses the outside of layer of sand to be provided with waterproof layer at improvement planting soil layer.
In said program, draining blind pipe is provided through in the loaded filter.
In said program, perforative cable tube is additionally provided in the middle part of the improvement planting soil layer.
In said program, it is located at the road of the water-saving greenbelt both sides of central strip sand with pressure from top to bottom successively
It is provided with roadbed, sub-surface, top course.
In said program, pressure is set gradually from down to up among the water-saving greenbelt of central strip sand with pressure
Layer of sand, sand bedding course, improvement planting soil layer, loaded filter, waterproof layer.
In said program, the centre of the water-saving greenbelt of the central strip sand with pressure is provided with sump, the row
Water blind pipe and sump unicom.
In said program, the sump is arranged in series multiple at every place.
In said program, drip irrigation system is provided on the pressure layer of sand, the drip irrigation system is located at the rhizome of drought-enduring plant
Portion, and drip irrigation emitter is set at each plant；The drip irrigation system is connected with pressure regulation water pump, and pressure regulation water pump is mounted on sump
It is interior.
Compared with prior art, the utility model makes Atmospheric precipitation pass through pressure layer of sand and sand bedding course infiltration soil, reduces diameter
Stream, and prevent improvement planting soil by direct sunlight, capillary soil water rising can also be cut off, prevents moisture from distributing outward, is reduced
Moisture evaporation makes to improve planting soil guarantor's water storage point in the highway median strip of drought-hit area, while rainy season extra precipitation is passed through row
Water blind pipe is collected to sump, by drip irrigation system by the ponding trickle irrigation drought-enduring plant of sump so that drought-enduring plant grows,
The survival rate of drought-enduring plant is improved, popularizing application prospect is very wide.
Description of the drawings
Fig. 1 provides a kind of structural schematic diagram of the water-saving greening type median strip of pressure sand for the utility model embodiment；
Fig. 2 is sectional view along A-A in Fig. 1.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, to combine accompanying drawings and embodiments,
The present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain this
Utility model is not used to limit the utility model.
The utility model embodiment provides a kind of median strip planting isolation strip, and as shown in Figure 1, 2, setting is in the road
Centre comprising pressure layer of sand 1, fence upright 2, kerbstone 3, top course 4, sub-surface 5, roadbed 6, sand bedding course 7, cable tube 8,
It drains blind pipe 9, waterproof layer 10, improvement planting soil layer 11, drought-enduring plant 12, loaded filter 13, sump 14, drip irrigation system 15, adjust
Water pump 16, the loaded filter 13, improvement planting soil layer 11, sand bedding course 7, pressure layer of sand 1 are set gradually from top to bottom, the pressure sand
Kerbstone 3 is respectively set in the both sides of the edge of layer 1, and the fence upright 2 is arranged two and positioned at 3 inside of kerbstone.
The loaded filter 13, sand bedding course 7, presses the outside of layer of sand 1 to be provided with waterproof layer 10 at improvement planting soil layer 11.
Be provided through in the loaded filter 13 draining blind pipe 9, and with 14 unicom of sump.
The lower part of the improvement planting soil layer 11, which also extends through, is provided with cable tube 8.
Road positioned at the median strip planting isolation strip both sides is disposed with roadbed 6, road surface base from down to up
Layer 5, top course 4.
Further include drought-enduring plant 12, the drought-enduring plant 12 is planted on pressure layer of sand 1 and root system extends to improvement plantation
In soil layer 11.
The centre of the water-saving greenbelt of the central strip sand with pressure is provided with sump 14, the draining blind pipe 9 with
14 unicom of sump.
The sump 14 is arranged in series multiple at every place.
Drip irrigation system 15 is provided on the pressure layer of sand, the drip irrigation system 15 is located at the root of drought-enduring plant, and every
Drip irrigation emitter is set at strain plant；The drip irrigation system 15 is connected with pressure regulation water pump 16, and the pump of pressure regulation water 16 is mounted on sump 14
It is interior.
Specifically, the drip irrigation system 15 is laid on pressure layer of sand 1, and drip irrigation system 15 is longitudinally arranged in 12 liang of drought-enduring plant
Side, and constitute circuit.
The operation principle of the utility model：
The precipitation in rainy season by pressing layer of sand 1 and sand bedding course 7 to penetrate into improvement planting soil layer 11, give by the improvement planting soil layer 11
Plant provides nutrition and moisture, and when precipitation is small, pressure layer of sand 1, sand bedding course 7 and improvement planting soil layer 11 can be absorbed and be preserved
Moisture is for plant absorption.When precipitation is larger, can pass through after pressure layer of sand 1, sand bedding course 7, improvement 11 water saturation of planting soil layer
Loaded filter 13 penetrates into draining blind pipe 9, drains moisture in blind pipe 9 and flows into sump 14.When dry season water shortage, the water in sump 14
It is supplied water to drought-enduring plant by drip irrigation system 15, improves plant survival rate.It can also be by being sought to 14 moisturizing of sump and plant
The mode trickle irrigation drought-enduring plant of nutrient solution.
The work progress of the utility model：
The first step applies highway subgrade 6.
Second step, the surfacing in highway subgrade, road surface include sub-surface 5, top course 4.
Third walks, and excavates median strip foundation trench, and finishing foundation trench bottom longitudinal wave applies sump 14.
Specifically, the spacing of sump is advisable with being no more than 200m, and the size and embedded depth of sump 14 are according to road surface
Structure determination can collect road surface charge for remittance and moisturize, and can increase water storage by way of being arranged in series multiple sumps 14
Amount.
4th step applies median strip both sides kerbstone 3, rebuilds foundation trench side slope, it is ensured that then smooth no-sundries are laid with
The waterproof layer 10 of median strip foundation trench and kerbstone.
Specifically, sump 14 and median strip foundation trench connecting part first apply drip in 14 outside concrete surface of sump
Green waterproof layer, then by waterproof layer 10, anti-paving extremely presses the identical height of layer of sand.
5th step applies rubble french drain.It is first laid with draining blind pipe 9, fixed draining blind pipe 9 backfills loaded filter 13.
Specifically, loaded filter 13 uses graded broken stone or cobble, 9 outside of draining blind pipe to wrap up one layer of geotextiles.
6th step installs cable tube 8, fixed good position, the crossover location with sump 14, from sump 14 close to road surface
5 side of base bypasses, and carries out waterproof.
7th step, backfill improvement planting soil layer 11.
Specifically, thickness is more than 35cm, and improvement planting soil using manually paving is filled out, tamp by leveling, and compactness reaches 60~
70%, improvement planting soil will according to the property of environment and native soil, improved with organic fertilizer based on, add suitable water-retaining agent and change
Fertilizer.
8th step plants drought-enduring plant 12.
Specifically, the optional arbor of drought-enduring plant, shrub or herbaceous plant, specific type are selected according to residing soil environment.
Herbaceous plant selects alfalfa, Korea lawn grass, prairie milk vetch；Arbor selects sea-buckthorn, jujube tree, elm, dry land willow, narrow-leaved oleaster；Shrub is selected red
Willow, caragana microphylla, the twigs of the chaste tree, matrimony vine, shrub lespedeza, false indigo etc..
9th step, paving back-up sand bed course 7.
Specifically, sand bedding course chooses coarse sand, clay content to be less than 3%.
Tenth step, making press layer of sand 1.
Specifically, pressure sand layer thickness 10-15cm, grain size are with the cobble lenticular body in the cobble or soil layer of 1~10cm
Main, particle is round and smooth, corner angle are small, weathering is few, and the building stones of 1.5~3.0cm of grain size account for 30%, and 3.0~6.0cm accounts for 50%, 6~10cm
Account for 2O%, 3% or less clay content.
11st step, installs drip irrigation system 15, and dropper is arranged in the root of drought-enduring plant 12.
Specifically, dropper tubing is PE, PPR or PVC；Caliber uses 12~16mm；0.3~1.2mm of wall thickness.Operating pressure
50~250Kpa of range；Water dropper spacing is according to plant strain away from determination；1~4L/h of dripping end flow.The dropper of drip irrigation system will be constituted
Circuit is laid with along the rhizome portion of drought-enduring plant 12, and installs water dropper in the rhizome portion of drought-enduring plant 12, ensures that moisture instills root
Portion.
12nd step, installation pressure regulation water pump 16.
Specifically, pressure regulation water pump 16 is mounted in sump 14, and is connected with dropper with drip irrigation system 15.Pressure regulation water pump type
Number and performance to match with drip irrigation system, while will also according to the longitudinal slope of road, the capacity of sump 14, way to take power select
Match, can be used and fixed movable type can also be used.
The utility model is applied sump 14, then applies waterproof by experimental study after median strip is excavated
After layer, bellows drainpipe, protective fence buckstay, in improvement planting soil of the median strip bottom setting more than 35cm, plantation is drought-enduring
Then plant spreads 1~2cm medium coarse sand bed courses above conditioned soil, then press layer of sand 1 in 10~15cm of sand bedding course upper berth, finally
Drip irrigation system 15 and pressure regulation water pump 16 are installed.Pressure layer of sand 1, which has, retains and conserve soil moisture, heat-insulation and heat-preservation, inhibits moisture evaporation, keeps soil
The effects that fertility reduces runoff, improves efficiency of water application.Sump 14 can collect excessive moisture in rainy season median strip,
Dry season can utilize 16 trickle irrigation drought-enduring plant of drip irrigation system 15 and pressure regulation water pump, can also use manually in 14 moisturizing of sump,
Trickle irrigation drought-enduring plant improves the survival rate of plant in arid tract median strip Green Protection measure.
The above, the only preferred embodiment of the utility model, are not intended to limit the protection of the utility model
Range.
Claims (9)
1. a kind of water-saving greening type median strip of pressure sand, setting is entreated in the road, which is characterized in that it includes pressure layer of sand, shield
Column column, kerbstone, top course, sub-surface, roadbed, sand bedding course, cable tube, draining blind pipe, waterproof layer, improvement planting soil
Layer, drought-enduring plant, loaded filter, sump, drip irrigation system, pressure regulation water pump, the loaded filter, improvement planting soil layer, sand bedding course, pressure
Layer of sand is set gradually from top to bottom, and kerbstone is respectively set in the both sides of the edge of the pressure layer of sand, and the fence upright is arranged two
And on the inside of kerbstone, the draining blind pipe is arranged among loaded filter, and the centrally disposed dividing strip of sump is anti-
On the inside of guardrail.
2. a kind of water-saving greening type median strip of pressure sand according to claim 1, which is characterized in that the loaded filter,
Improvement planting soil layer, presses the outside of layer of sand to be provided with waterproof layer at sand bedding course.
3. a kind of water-saving greening type median strip of pressure sand according to claim 1 or 2, which is characterized in that the anti-filter
It is provided through draining blind pipe in layer.
4. a kind of water-saving greening type median strip of pressure sand according to claim 3, which is characterized in that the improvement plantation
It is also extended through in the middle part of soil layer and is provided with cable tube.
5. a kind of water-saving greening type median strip of pressure sand according to claim 4, which is characterized in that be located at the center
The road for separating the water-saving greenbelt both sides of sand with pressure is disposed with roadbed, sub-surface, top course from down to up.
6. a kind of water-saving greening type median strip of pressure sand according to claim 5, which is characterized in that be located at the center
Separate and sets gradually pressure layer of sand, sand bedding course, improvement planting soil layer, anti-filter among the water-saving greenbelt of sand with pressure from down to up
Layer, waterproof layer.
7. a kind of water-saving greening type median strip of pressure sand according to claim 6, which is characterized in that the central strip
The centre of the water-saving greenbelt of sand with pressure is provided with sump, the draining blind pipe and sump unicom.
8. a kind of water-saving greening type median strip of pressure sand according to claim 7, which is characterized in that the sump
Quantity is set and is determined according to water is collected, can be arranged in series at every place multiple.
9. a kind of water-saving greening type median strip of pressure sand according to claim 8, which is characterized in that on the pressure layer of sand
It is provided with drip irrigation system, the drip irrigation system is located at the rhizome portion of drought-enduring plant, and drip irrigation emitter is arranged at each plant；Institute
It states drip irrigation system with pressure regulation water pump to be connected, pressure regulation water pump is mounted in sump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820075954.2U CN207775642U (en) | 2018-01-17 | 2018-01-17 | A kind of water-saving greening type median strip of pressure sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820075954.2U CN207775642U (en) | 2018-01-17 | 2018-01-17 | A kind of water-saving greening type median strip of pressure sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207775642U true CN207775642U (en) | 2018-08-28 |
Family
ID=63213133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820075954.2U Expired - Fee Related CN207775642U (en) | 2018-01-17 | 2018-01-17 | A kind of water-saving greening type median strip of pressure sand |
Country Status (1)
| Country | Link |
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| CN (1) | CN207775642U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110771384A (en) * | 2019-10-09 | 2020-02-11 | 东北石油大学 | Plant growth monitoring devices based on computer vision |
| CN111042293A (en) * | 2019-11-21 | 2020-04-21 | 江苏永联精筑建设集团有限公司 | Construction process of road central green belt seepage-proofing drainage structure |
| CN112663541A (en) * | 2020-12-22 | 2021-04-16 | 浙江交工集团股份有限公司 | Installation and construction method for ecological prefabricated guardrail of central separation zone |
-
2018
- 2018-01-17 CN CN201820075954.2U patent/CN207775642U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110771384A (en) * | 2019-10-09 | 2020-02-11 | 东北石油大学 | Plant growth monitoring devices based on computer vision |
| CN111042293A (en) * | 2019-11-21 | 2020-04-21 | 江苏永联精筑建设集团有限公司 | Construction process of road central green belt seepage-proofing drainage structure |
| CN112663541A (en) * | 2020-12-22 | 2021-04-16 | 浙江交工集团股份有限公司 | Installation and construction method for ecological prefabricated guardrail of central separation zone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 Termination date: 20190117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |