CN206525213U - A kind of highway planting isolation strip - Google Patents
A kind of highway planting isolation strip Download PDFInfo
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- CN206525213U CN206525213U CN201720013163.2U CN201720013163U CN206525213U CN 206525213 U CN206525213 U CN 206525213U CN 201720013163 U CN201720013163 U CN 201720013163U CN 206525213 U CN206525213 U CN 206525213U
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- water
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- isolation strip
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- storage
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Abstract
The utility model discloses a kind of highway planting isolation strip, foundation stone including being arranged on isolation strip both sides, the plantation layer for being used to plant vegetation is filled between foundation stone, planting layer includes metalling, sandy gravel stratum, nutrition soil layer, aquifer, permeable dividing plate is provided between aquifer and nutrition soil layer, it is provided with below aquifer and many soakaway trench being delivered to the water in storage tank among nutrition soil layer is provided with storage tank, storage tank；The water pipe of water filling in oriented storage tank is connected on the casing of storage tank, water pipe is connected with outside water supply installation, liquid level sensor is provided with storage tank, outside water supply installation water filling into storage tank in response to level sensing signal, the plantation Rotating fields special by setting, plantation layer water loss is reduced, is maintained beneficial to moisture；By setting storage tank so that the process entirely poured is carried out below soil layer, so as to reduce scattering and disappearing for moisture in irrigation process, be conducive to the pouring of drought and water-scarce area.
Description
Technical field
The utility model is related to roadside greening technical field, more specifically, it relates to a kind of highway planting isolation strip.
Background technology
On the one hand greenbelt in road provides greening, attractive in appearance, environmentally friendly effect, on the one hand lifting soil humidity,
Mitigate tropical island effect, absorb the effect of noise, moreover it is possible to divided roadway, protect vehicle driving safety.In the sand that some arids are scorching
Vegetation on unconcerned area, roadside greening isolation strip is often dead due to water shortage, and survival rate is not high.Traditional irrigation method is profit
Advanced with sprinkling truck along road, while being poured to greenbelt.There are many problems in said process, for example：Dry
The scorching area of drought, the effect poured using surface water is not good, and due to the huge evaporation of earth's surface, the water of pouring does not penetrate into also
Evaporated totally among to soil layer, it is impossible to effectively irrigating plant and waste valuable water resource.Secondly, pouring every time all needs
To be carried out paragraph by paragraph using artificial, manpower management cost is very high.
Similar to above mentioned problem, patent announcement number is CN203388010U Chinese patent, it is proposed that a kind of highway
Greenbelt rain irrigation system, mainly solves automation and pours, the problem of reducing human cost, primary structure includes cistern,
Water is collected by the water leg of roadbed both sides in the cistern, drip irrigation appliance is provided with greenbelt, drip irrigation appliance is with storing
Pond is connected, and the power of drip irrigation appliance comes from solar energy.
The effect of water leg in above-mentioned patent can only work when rainy, when running into continuous drying weather, above-mentioned filling
Irrigate system water storage means single, retaining is not enough, surface volatilization is too fast, still can trigger the problem of cutting off the water supply, to greenbelt health degree
Impact, and filled for the tree planted in isolation strip, what drip irrigation can not meet vegetation needs water requirement.
Utility model content
The problem of in practice, the utility model purpose is to propose a kind of highway planting isolation strip, specific square
Case is as follows：
A kind of highway planting isolation strip, including be arranged between the foundation stone of isolation strip both sides, foundation stone filled with for planting
The plantation layer of vegetation, the plantation layer from top to bottom includes metalling, sandy gravel stratum, nutrition soil layer, aquifer successively, wherein, store
It is provided between water layer and nutrition soil layer below permeable dividing plate, aquifer and is provided with storage tank, is provided with the storage tank
Be filled with absorbent material in many soakaway trench that the water in storage tank are delivered among nutrition soil layer, the soakaway trench；
The water pipe of water filling in oriented storage tank, the water pipe and outside water supply installation are connected on the casing of the storage tank
It is connected, the liquid level being provided with the storage tank in liquid level sensor, the liquid level sensor detection storage tank and output one
Level sensing signal, outside water supply installation receives and responds to above-mentioned level sensing signal, the water filling into storage tank.
The specific heat capacity of sandstone is far smaller than soil, and its characteristic determines that the temperature of sandstone rises soon, drops soon.During heating, sand
Stone is covered in topsoil, and sandstone plays certain soil and acted on air insulated, protects moisture in nutrition soil layer not flow
Lose.By using the mode poured from lower to upper, the water of pouring will not be contacted with environment, directly penetrated into nutrition soil layer, subtracted
The volatilization of moisture is lacked, has been conducive to saving moisture, it is adaptable to use in dry environment；Aquifer can accumulate mistake in nutrition soil layer
Many moisture；When needing to pour the vegetation in isolation strip, it is only necessary to inject water into storage tank, storage tank
In moisture be automatically replenished, so as to reduce artificial work, convenient management reduces human cost.
Further, the absorbent material is sponge or cotton, and the end of the sponge or cotton reaches nutrition
In soil layer.
By above-mentioned technical proposal, be conducive to inputting the water in storage tank into nutrition soil layer.
Further, the side that the foundation stone connects with road surface is provided with rhone, and the rhone passes through collecting conduit
It is connected with the top of storage tank.
By above-mentioned technical proposal, be conducive to collecting the rainwater on road surface；Further, since the presence of sandy gravel stratum so that battalion
The gas permeability for supporting soil layer surface is not good, and above-mentioned setting can also input a certain amount of sky into nutrition soil layer by means of penetrating passage
Gas.
Further, permeability cell is provided with the top of the storage tank, the permeability cell connects the nutrition soil layer and storage
Tank top
By above-mentioned technical proposal, air can be penetrated into nutrition soil layer, strengthens the gas permeability of nutrition soil layer, is conducive to
The growth of vegetation.
Further, it is provided with the collecting conduit for reducing the lost cotton block of water evaporation in storage tank.
By above-mentioned technical proposal, the water evaporation in storage tank can be efficiently reduced into surrounding air.
Further, the water supply installation includes a water storage water tower and changeable water supply controller, and the water storage water tower passes through water pipe
It is connected with the storage tank, magnetic valve is provided with the water pipe, the magnetic valve is connected with changeable water supply controller control, its
In, the changeable water supply controller is connected with the liquid level sensor signal in storage tank, the level sensing signal is received, when it is less than
During preset value, it is storage tank water filling to control solenoid valve conduction.
Pass through above-mentioned technical proposal, it is possible to achieve outside water storage water tower supplies water from trend storage tank, do not add manually
Water, reduces the cost of labor management.
Further, the quantity of the storage tank is set for multiple and along greenbelt length direction uniform intervals,
The water pipe is connected with the bottom wall of multiple storage tanks.
By above-mentioned technical proposal, it can make it that in each storage tank be also equalization.
Further, the changeable water supply controller includes：
Reference voltage generation module, for generating the reference voltage compared for level sensing signal；
One comparator, its forward signal input is coupled to the reference voltage, and non-inverting signal input thereof is coupled to described
Level sensing signal, signal output part output comparison signal；
Relay switch module, including a switch triode, the colelctor electrode of the switch triode concatenated with emitter stage to
With the start and stop of control relay in the relay coil of relay, the relay switch end is electrically connected with the conductive working end of magnetic valve
Connect.
, being controlled to the water level in storage tank with simple and fast by above-mentioned technical proposal.
Further, it is provided with and communicated with a water pump for being used to draw underground water, water storage water pump and sets in the water storage water tower
The level switch for detecting water level in water tower is equipped with, the controller of the water pump is connected with level switch signal, responded
The start and stop of water pump are controlled in the detection signal of level switch, when the liquid level in water storage water tower is less than setting value, are started described
Water pump water filling into water storage water tower.
By above-mentioned technical proposal, can cause the vegetation of whole greenbelt pour realize it is unmanned, it is dry at some
The area that non-irrigated desert and personal management are difficult is very applicable.
Further, the greenbelt on be provided with some solar panels, the solar panel
Electric energy output end is electrically connected with changeable water supply controller, magnetic valve and water pump.
Pass through above-mentioned technical proposal, it is possible to achieve the automatic power supply of whole greenbelt, so as to realize complete meaning
Unmanned management in justice.
Compared with prior art, the beneficial effects of the utility model are as follows：
（1）By setting metalling, sandy gravel stratum, nutrition soil layer and aquifer, it is to avoid the moisture evaporation in plantation layer
Into air, the loss of moisture is reduced, is conducive to the moisture of nutrition soil layer to maintain；
（2）By setting storage tank so that the process entirely poured is carried out below soil layer, so as to reduce in irrigation process
Scattering and disappearing for moisture, is conducive to the pouring of drought and water-scarce area；
（3）By setting liquid level sensor in storage tank and automatic water supply device, and above-mentioned dress being set in outside
Put by solar energy automatic power, realize that greenbelt pours whole unmanned, reduce human cost.
Brief description of the drawings
Fig. 1 is that the utility model isolates diagrammatic cross-section of the greenbelt perpendicular to its length direction；
Fig. 2 is the overall schematic that the utility model isolates greenbelt；
Fig. 3 is the schematic diagram of changeable water supply controller.
Accompanying drawing mark：1st, foundation stone；2nd, metalling；3rd, sandy gravel stratum；4th, nutrition soil layer；5th, aquifer；6th, permeable dividing plate；7th, store up
Water tank；8th, soakaway trench；9th, water pipe；10th, liquid level sensor；11st, cotton；12nd, rhone；13rd, collecting conduit；14th, cotton block；15、
Permeability cell；16th, changeable water supply controller；17th, magnetic valve；18th, water storage water tower；19th, reference voltage generation module；20th, comparator；21、
Relay switch module；22nd, water pump；23rd, solar panel.
Embodiment
With reference to embodiment and accompanying drawing, the utility model is described in further detail, but implementation of the present utility model
Mode is not limited only to this.
As depicted in figs. 1 and 2, a kind of highway planting isolation strip, including be arranged on the foundation stone 1 of isolation strip both sides, foundation stone 1 it
Between be filled be used for plant vegetation plantation layer.Plant layer from top to bottom successively include metalling 2, sandy gravel stratum 3, nutrition soil layer 4,
Aquifer 5.Wherein, permeable dividing plate 6 is provided between aquifer 5 and nutrition soil layer 4, the lower section of aquifer 5 is provided with storage tank
7, it is provided with many soakaway trench 8 being delivered to the water in storage tank 7 among nutrition soil layer 4, soakaway trench 8 in storage tank 7 and fills out
Filled with absorbent material.
Because the specific heat capacity of sandstone is far smaller than soil, its characteristic determines that the temperature of sandstone rises soon, drops soon.Heating
When, sandstone is covered in topsoil, and sandstone plays certain soil and acted on air insulated, protects moisture in nutrition soil layer 4
It will not be lost in.When rainy, above-mentioned setting it is also possible that the rainwater of plantation layer surface is soon penetrated into plantation layer, for
Collecting the rainwater of arid area has highly important meaning.The thickness of metalling 2 can determine according to the size of stone, gravel
Layer 3 is mainly made up of fine sand, it is therefore intended that the water evaporation in barrier nutrition soil layer 4.The purpose of aquifer 5 is to be enriched with nutrition
Unnecessary moisture in soil layer 4, and certain ventilation space is provided, be conducive to the healthy growth of afforestation vegetation.It is above-mentioned it is permeable every
Plate 6 is using with punctulate slabstone or plastic plate.For storage tank 7, concrete or fragment of brick are used in the utility model
Directly bond and form.
The absorbent material set in soakaway trench 8 is sponge or cotton 11, and the end of sponge or cotton 11 is reached
It is preferred to use cotton 11 in nutrition soil layer 4, in the utility model, is conducive to inputting the water in storage tank 7 to nutrition soil layer 4
In.
In order to which beneficial to the rainwater collected on road surface, the side that foundation stone 1 connects with road surface is provided with rhone 12, rhone 12
It is connected by the top of collecting conduit 13 with storage tank 7.Further, since the presence of sandy gravel stratum 3 so that the surface of nutrition soil layer 4
Gas permeability it is not good, above-mentioned setting can also input a certain amount of air into nutrition soil layer 4 by means of penetrating passage.
As shown in figure 1, the top of storage tank 7 is provided with permeability cell 15, the connection nutrition of permeability cell 15 soil layer 4 and storage tank 7
Top.Above-mentioned technical proposal, can penetrate air into nutrition soil layer 4, and the gas permeability of enhancing nutrition soil layer 4 is conducive to vegetation
Growth.
In order to efficiently reduce the water evaporation in storage tank 7 into surrounding air, it is provided with collecting conduit 13 for subtracting
The lost cotton block 14 of water evaporation in few storage tank 7.
In order that it is also equalization to obtain in each storage tank 7, the quantity of storage tank 7 is multiple and along greenbelt length
Spend direction uniform intervals to set, water pipe 9 is connected with the bottom wall of multiple storage tanks 7.
The water pipe 9 of water filling in oriented storage tank 7 is connected on the casing of storage tank 7, water pipe 9 is connected with outside water supply installation
It is logical, the liquid level being provided with storage tank 7 in liquid level sensor 10, the detection storage tank 7 of liquid level sensor 10 and output one liquid level inspection
Signal is surveyed, outside water supply installation receives and responds to above-mentioned level sensing signal, the water filling into storage tank 7.
Above-mentioned water supply installation includes a water storage water tower 18 and changeable water supply controller 16, and water storage water tower 18 passes through water pipe 9 and water storage
Case 7 is connected, and magnetic valve 17 is provided with water pipe 9, and magnetic valve 17 is connected with the control of changeable water supply controller 16, wherein, control of supplying water
Device 16 is connected with the signal of liquid level sensor 10 in storage tank 7, receives level sensing signal, when it is less than preset value, control
The conducting of magnetic valve 17 is the water filling of storage tank 7.Such scheme can realize that the water storage water tower 18 of outside is supplied from trend storage tank 7
Water, does not add water manually, reduces the cost of labor management.
It is described in further detail, as shown in figure 3, changeable water supply controller 16 includes：Reference voltage generation module 19, is supplied for generating
The reference voltage that level sensing signal compares；Comparator 20, its forward signal input is coupled to reference voltage, and reverse signal is defeated
Enter end and be coupled to level sensing signal, signal output part output comparison signal；Relay switch module 21, including three poles of switch
Pipe, the colelctor electrode of switch triode is concatenated into the relay coil of relay with emitter stage with the start and stop of control relay, relay
Device switch terminals are electrically connected with the conductive working end of magnetic valve 17.In such scheme, reference voltage generation module 19 includes two mutually
The resistance of series connection, obtains reference voltage, this method simple and stable can be with simple and fast to storage tank 7 using electric resistance partial pressure
In water level be controlled.
By taking such scheme, the staff of pouring only needs to fill water to the inside of water storage water tower 18, simply
It is convenient.
In order that whole greenbelt vegetation pour realize it is unmanned, it is adaptable to some drought deserts and personnel manage
Manage the area being difficult.It is provided with and communicated with a water pump 22 for being used to draw underground water, water storage water pump 22 and sets in water storage water tower 18
There is the level switch for detecting water level in water tower, the controller of water pump 22 is connected with level switch signal, in response to water
The detection signal of bit detector controls the start and stop of water pump 22, when the liquid level in water storage water tower 18 is less than setting value, starts water pump
22 water fillings into water storage water tower 18.The control planning of above-mentioned level switch and water pump 22 can be used and liquid level in storage tank 7
The similar structure of control is realized, will not be repeated here.
Optimization, some solar panels 23 are provided with greenbelt, the electric energy of solar panel 23 is defeated
Go out end to electrically connect with changeable water supply controller 16, magnetic valve 17 and water pump 22, wherein, solar panel 23 can also use wind-force
The pattern of generating realizes the supply of the energy, and the above-mentioned remaining electricity of TRT is stored in a battery, to realize electric energy
Stable supply.The automatic power supply of whole greenbelt is realized, so as to realize the unmanned management in complete meaning.
The method of construction and working effect of the utility model greenbelt are as follows：
When building road, zanjon, pre-buried water pipe 9, then using brick or prefabricated board are excavated at greenbelt
Storage tank 7 is made, then each plantation layer is laid according to specific Rotating fields.Generally speaking, by using pouring from lower to upper
Mode, the water of pouring will not contact with environment, directly penetrate into nutrition soil layer 4, reduce the volatilization of moisture, be conducive to section
About moisture, it is adaptable to used in dry environment；Aquifer 5 can accumulate moisture excessive in nutrition soil layer 4；When needs are to isolation
When vegetation in band is poured, it is only necessary to inject water into storage tank 7, the moisture in storage tank 7 is automatically replenished, from
And artificial work is reduced, convenient management reduces human cost.
Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of highway planting isolation strip, including it is arranged between the foundation stone (1) of isolation strip both sides, foundation stone (1) filled with being used for
Plant the plantation layer of vegetation, it is characterised in that the plantation layer from top to bottom includes metalling (2), sandy gravel stratum (3), battalion successively
Soil layer (4), aquifer (5) are supported, wherein, permeable dividing plate (6), aquifer are provided between aquifer (5) and nutrition soil layer (4)
(5) it is provided with below and is provided with many in storage tank (7), the storage tank (7) water in storage tank (7) is delivered to nutrition
Absorbent material is filled with soakaway trench (8) among soil layer (4), the soakaway trench (8)；
The water pipe (9) of water filling in oriented storage tank (7), the water pipe (9) and outside are connected on the casing of the storage tank (7)
Water supply installation is connected, and liquid level sensor (10) is provided with the storage tank (7), and the liquid level sensor (10) detects water storage
Liquid level and one level sensing signal of output in case (7), outside water supply installation receive and respond to above-mentioned level sensing signal,
The water filling into storage tank (7).
2. highway planting isolation strip according to claim 1, it is characterised in that the absorbent material is sponge or cotton
(11), the end of the sponge or cotton (11) is reached in nutrition soil layer (4).
3. highway planting isolation strip according to claim 1, it is characterised in that the foundation stone (1) connect with road surface one
Side is provided with rhone (12), the rhone (12) by collecting conduit (13) be connected at the top of storage tank (7).
4. highway planting isolation strip according to claim 3, it is characterised in that be provided with use in the collecting conduit (13)
The lost cotton block (14) of water evaporation in reduction storage tank (7).
5. highway planting isolation strip according to claim 3, it is characterised in that be provided with the top of the storage tank (7)
Permeability cell (15), the permeability cell (15) connects the nutrition soil layer (4) and storage tank (7) top.
6. highway planting isolation strip according to claim 1, it is characterised in that the water supply installation includes a water storage water tower
(18) and changeable water supply controller (16), the water storage water tower (18) is connected by water pipe (9) with the storage tank (7), the water
Magnetic valve (17) is provided with pipe (9), the magnetic valve (17) is connected with changeable water supply controller (16) control, wherein, it is described to supply water
Controller (16) is connected with liquid level sensor (10) signal in storage tank (7), the level sensing signal is received, when it is less than
During preset value, it is storage tank (7) water filling to control magnetic valve (17) conducting.
7. highway planting isolation strip according to claim 6, it is characterised in that the quantity of the storage tank (7) is multiple
And be arranged at intervals along the uniform same level face of length direction of greenbelt, the water pipe (9) and the bottom wall of multiple storage tanks (7)
It is connected.
8. highway planting isolation strip according to claim 6, it is characterised in that the changeable water supply controller (16) includes：
Reference voltage generation module (19), for generating the reference voltage compared for level sensing signal；
One comparator (20), its forward signal input is coupled to the reference voltage, and non-inverting signal input thereof is coupled to described
Level sensing signal, signal output part output comparison signal；
Relay switch module (21), including a switch triode, the colelctor electrode of the switch triode concatenated with emitter stage to
With the start and stop of control relay in the relay coil of relay, the relay switch end and the conductive working end electricity of magnetic valve (17)
Connection.
9. highway planting isolation strip according to claim 6, it is characterised in that connection is set in the water storage water tower (18)
There is the water level detecting being provided with a water pump (22) for being used to draw underground water, water storage water pump (22) for detecting water level in water tower
Device, the controller of the water pump (22) is connected with level switch signal, and water is controlled in response to the detection signal of level switch
The start and stop of pump (22), when the liquid level in water storage water tower (18) is less than setting value, start the water pump (22) to water storage water tower
(18) interior water filling.
10. highway planting isolation strip according to claim 9, it is characterised in that be provided with the greenbelt
Some solar panels (23), electric energy output end and changeable water supply controller (16), the magnetic valve of the solar panel (23)
(17) and water pump (22) electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720013163.2U CN206525213U (en) | 2017-01-06 | 2017-01-06 | A kind of highway planting isolation strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720013163.2U CN206525213U (en) | 2017-01-06 | 2017-01-06 | A kind of highway planting isolation strip |
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| Publication Number | Publication Date |
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| CN206525213U true CN206525213U (en) | 2017-09-29 |
Family
ID=59920315
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| CN201720013163.2U Active CN206525213U (en) | 2017-01-06 | 2017-01-06 | A kind of highway planting isolation strip |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107853149A (en) * | 2017-11-16 | 2018-03-30 | 广州隆盛景观建设有限公司 | Greenbelt rainwater and effluent disposing system |
| CN107960231A (en) * | 2017-12-10 | 2018-04-27 | 成都隶盈科技有限公司 | A kind of town road and its construction method |
| CN107996268A (en) * | 2017-12-29 | 2018-05-08 | 北京顺景园林股份有限公司 | A kind of self-priming tree root water system |
| CN108260437A (en) * | 2018-01-17 | 2018-07-10 | 重庆汇盛园林景观设计工程有限公司 | A kind of isolation strip greening structure and its construction method |
| CN109056894A (en) * | 2018-08-29 | 2018-12-21 | 许昌学院 | A kind of gardens rainwater-collecting and ecological provisions protect system |
| CN110352739A (en) * | 2019-06-27 | 2019-10-22 | 江苏科翔制泵有限公司 | A kind of expressway greenbelt water-saving irrigation device |
| CN111576549A (en) * | 2020-06-03 | 2020-08-25 | 张延年 | Urban underground complex subsides formula greenery patches water storage device |
| CN112790086A (en) * | 2021-01-26 | 2021-05-14 | 张家港市华新园艺景观工程有限公司 | Nutrient soil and green belt containing same |
| CN112942527A (en) * | 2021-01-26 | 2021-06-11 | 张家港市华新园艺景观工程有限公司 | Sponge city drainage device |
| CN113261446A (en) * | 2021-05-17 | 2021-08-17 | 广东韩江工程总承包有限公司 | Construction method of green isolation belt based on building engineering |
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2017
- 2017-01-06 CN CN201720013163.2U patent/CN206525213U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107853149A (en) * | 2017-11-16 | 2018-03-30 | 广州隆盛景观建设有限公司 | Greenbelt rainwater and effluent disposing system |
| CN107960231A (en) * | 2017-12-10 | 2018-04-27 | 成都隶盈科技有限公司 | A kind of town road and its construction method |
| CN107960231B (en) * | 2017-12-10 | 2019-09-27 | 浙江诚通市政建设有限公司 | A kind of town road and its construction method |
| CN107996268A (en) * | 2017-12-29 | 2018-05-08 | 北京顺景园林股份有限公司 | A kind of self-priming tree root water system |
| CN108260437A (en) * | 2018-01-17 | 2018-07-10 | 重庆汇盛园林景观设计工程有限公司 | A kind of isolation strip greening structure and its construction method |
| CN109056894A (en) * | 2018-08-29 | 2018-12-21 | 许昌学院 | A kind of gardens rainwater-collecting and ecological provisions protect system |
| CN110352739A (en) * | 2019-06-27 | 2019-10-22 | 江苏科翔制泵有限公司 | A kind of expressway greenbelt water-saving irrigation device |
| CN111576549A (en) * | 2020-06-03 | 2020-08-25 | 张延年 | Urban underground complex subsides formula greenery patches water storage device |
| CN112790086A (en) * | 2021-01-26 | 2021-05-14 | 张家港市华新园艺景观工程有限公司 | Nutrient soil and green belt containing same |
| CN112942527A (en) * | 2021-01-26 | 2021-06-11 | 张家港市华新园艺景观工程有限公司 | Sponge city drainage device |
| CN113261446A (en) * | 2021-05-17 | 2021-08-17 | 广东韩江工程总承包有限公司 | Construction method of green isolation belt based on building engineering |
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