CN208791290U - The non-irrigated small stream of the ecology of Collapsible Loess District - Google Patents

The non-irrigated small stream of the ecology of Collapsible Loess District Download PDF

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Publication number
CN208791290U
CN208791290U CN201821031028.1U CN201821031028U CN208791290U CN 208791290 U CN208791290 U CN 208791290U CN 201821031028 U CN201821031028 U CN 201821031028U CN 208791290 U CN208791290 U CN 208791290U
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China
Prior art keywords
layer
planting soil
gravel
soil layer
overflow pipe
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CN201821031028.1U
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Inventor
安东子
范洁
孙金顺
谭国霞
朱健芝
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Qingyang Cscec Longhao Sponge City Construction Management Operation Co Ltd
China Construction Eco Environmental Group Co Ltd
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Qingyang Zhongjian Longhao Sponge City Construction Management Operation Co Ltd
China Construction Water Affairs Environmental Protection Co Ltd
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Priority to CN201821031028.1U priority Critical patent/CN208791290U/en
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Abstract

The non-irrigated small stream of the ecology of the utility model Collapsible Loess District is related to urban construction field.Its purpose is to provide a kind of ecology of simple, at low cost, the easy to operate Collapsible Loess District of structure non-irrigated small stream.The non-irrigated small stream of the ecology of the utility model Collapsible Loess District, sheath is pressed including rammed earth layer, cushion lime, gravel layer, pervious bed, planting soil layer, vegetable layer, ovum pressure stone and gravel, rammed earth layer, which encloses, covers cushion lime, gravel layer and planting soil layer, rammed earth layer, cushion lime, gravel layer and planting soil layer are laid with from bottom to top, and pervious bed is equipped between planting soil layer and gravel layer;Through the first overflow pipe is connected in planting soil layer, gravel layer, first overflow pipe one end is extended in cushion lime, and the other end of the first overflow pipe stretches out planting soil layer, and one end that the first overflow pipe stretches out planting soil layer, which is connected with, cuts dirty component;First overflow pipe is connected to drainage pipeline networks;Pervious bed extends downwardly into the bottom of the first overflow pipe along gravel layer.

Description

The non-irrigated small stream of the ecology of Collapsible Loess District
Technical field
The utility model relates to urban construction fields, more particularly to the non-irrigated small stream of ecology of Collapsible Loess District.
Background technique
Ecological drought small stream is the artificial riverbed copied and dried up in nature, and the construction of plant is cooperated to give expression to stream in artistic conception Landscape can also be filled with water, floods and droughts is dual-purpose in rainy season.
The function of ecological drought small stream:
(1) rainy season carries out water storage, and makes rain penetration to underground purifying, is detained;
(2) dry season by cobble and plant, builds natural ecology stream landscape;
(3) being equipped with overflow well after not permeating, will enter city planting ductwork by overflow well when water is too many;
(4) moisture is absorbed by plant etc. and realizes ecology self-restraint.
The existing non-irrigated small stream of ecology, the patent document for being 207330521 U of CN with reference to Authorization Notice No. disclose a kind of suitable The non-irrigated small stream of ecology for recycled water advanced treating, is only applicable to the processing of recycled water, can not be suitable for Collapsible Loess District The non-irrigated small stream of ecology construction, also, in the prior art, there are no the precedents of the non-irrigated small stream construction of ecology in Collapsible Loess District. The enhancement of environment of Collapsible Loess District is also that related scholar and construction team are studying and testing always to urban construction , but still without effective implementable solution.
Utility model content
Collapsibility simple, at low cost, easy to operate that the technical problem to be solved by the present invention is to provide a kind of structures The non-irrigated small stream of the ecology of Canal in Loess Area.
The non-irrigated small stream of ecology of the utility model Collapsible Loess District, including rammed earth layer, cushion lime, gravel layer, thoroughly Water layer, planting soil layer, vegetable layer, ovum pressure stone and gravel press sheath, and the rammed earth layer, which encloses, covers the cushion lime, the gravel Rock layers and the planting soil layer, the rammed earth layer, the cushion lime, the gravel layer and the planting soil layer from it is lower to Upper laying, kind is implanted with vegetable layer in the planting soil layer, and ovum pressure stone and gravel pressure sheath are also equipped in the planting soil layer;
Pervious bed is equipped between the planting soil layer and the gravel layer;
Through the first overflow pipe is connected in the planting soil layer, the gravel layer, first overflow pipe one end extends Into the cushion lime, the other end of first overflow pipe stretches out the planting soil layer, and first overflow pipe stretches out institute The one end for stating planting soil layer, which is connected with, cuts dirty component;
First overflow pipe is connected to drainage pipeline networks;
The pervious bed extends downwardly into the bottom of first overflow pipe along the gravel layer, and institute is isolated in the pervious bed State the first overflow pipe and the gravel layer and the cushion lime.
The non-irrigated small stream of the ecology of the utility model Collapsible Loess District, wherein first overflow pipe stretches out the planting soil layer One end stretch out the planting soil layer altitude range be 50mm-150mm.
The non-irrigated small stream of the ecology of the utility model Collapsible Loess District, wherein being padded between the cushion lime and the gravel layer Equipped with impervious barrier.
The non-irrigated small stream of the ecology of the utility model Collapsible Loess District, wherein the impervious barrier includes waterproof geotextiles, it is described The density of impervious barrier is 1000~1500g/m2
The ecology drought small stream of the utility model Collapsible Loess District, wherein the dirt component that cuts includes that overflow plate and a section dirt mention Basket, described section of dirty hand basket are connected on first overflow pipe, and the overflow plate lid is located at described in the first overflow pipe stretching Plant one end of layer.
The non-irrigated small stream of ecology of the utility model Collapsible Loess District, wherein the gravel layer with a thickness of 100mm~ 300mm。
The non-irrigated small stream of the ecology of the utility model Collapsible Loess District, wherein the distribution of gravel of gravel pressure sheath is described In planting soil layer, 10~15cm of grain size of gravel range of the gravel pressure sheath.
The non-irrigated small stream of ecology of the utility model Collapsible Loess District, wherein the planting soil layer with a thickness of 200mm- 250mm, the planting soil layer include the sandy soil no more than 10%, and the infiltration coefficient of the planting soil layer is not more than 5x10-4m/s。
The non-irrigated small stream of ecology of the utility model Collapsible Loess District, wherein the cushion lime with a thickness of 100mm~ 150mm, the cushion lime includes 3:7 dirt, and the compacting factor of the cushion lime is not less than 95%.
The non-irrigated small stream of ecology of the utility model Collapsible Loess District, wherein the vegetable layer is set as resisting cold, drought-enduring and resistance to height The vegetation for time of calming the anger.
The non-irrigated small stream difference from prior art of the ecology of the utility model Collapsible Loess District is: the utility model is wet Fall into the non-irrigated small stream of ecology of property Canal in Loess Area, including rammed earth layer, cushion lime, gravel layer, pervious bed, planting soil layer, vegetable layer, Ovum presses stone and gravel to press sheath, and rammed earth layer, which encloses, covers cushion lime, gravel layer and planting soil layer, rammed earth layer, dirt pad Layer, gravel layer and planting soil layer are laid with from bottom to top, and kind is implanted with vegetable layer in planting soil layer, are also equipped with ovum pressure in planting soil layer Stone and gravel press sheath;Pervious bed is equipped between planting soil layer and gravel layer;
Rammed earth layer plays support and protective action, and cushion lime is laid on rammed earth layer, cushion lime support Gravel layer is laid with planting soil layer on gravel layer, and gravel layer can support planting soil layer, while between gravel layer and planting soil layer Pervious bed can play osmosis, moreover it is possible to reduce soil erosion, protect planting soil layer;Vegetable layer is planted in planting soil layer, is planted Tegillum selects the vegetation of suitable Collapsible Loess District;
It is laid with ovum pressure stone in planting soil layer and gravel presses sheath, ovum pressure stone plays the role of pressure shield planting soil layer, gravel pressure Sheath is dispersed in around ovum pressure stone, and the gravel of gravel shell of compression covers ovum pressure stone but the planting soil layer of shield cannot be pressed to press Shield, adequately protect planting soil layer, reduces soil erosion;
Pervious bed extends downwardly into the bottom of the first overflow pipe along gravel layer, and the first overflow pipe and gravel layer is isolated in pervious bed And cushion lime, the first overflow pipe extend into cushion lime, and the first overflow pipe is facilitated to connect with drainage pipeline networks, meanwhile, in order to protect The discharge of moisture is demonstrate,proved, the first overflow pipe is isolated between gravel layer, cushion lime by pervious bed, and pervious bed can facilitate moisture Infiltration, and can prevent the impurity of gravel layer, cushion lime from flowing into the first overflow pipe, guarantee moisture smooth discharge.
The non-irrigated small stream of the ecology of the Collapsible Loess District of the utility model is described further with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the non-irrigated small stream of ecology of the utility model Collapsible Loess District.
Attached drawing mark: 1, rammed earth layer;2, cushion lime;3, impervious barrier;4, gravel layer;5, pervious bed;6, planting soil Layer;7, vegetable layer;8, the first overflow pipe;9, dirty hand basket is cut;10, overflow plate;11, ovum presses stone;12, gravel presses sheath;13, great Ye Chinese littleleaf box;14, coreopsis;15, the second overflow pipe.
Specific embodiment
As shown in Figure 1, the non-irrigated small stream of the ecology of the utility model Collapsible Loess District, including rammed earth layer 1, cushion lime 2, gravel layer 4, pervious bed 5, planting soil layer 6, vegetable layer 7, ovum pressure stone 11 and gravel press sheath 12, and rammed earth layer 1, which encloses, covers ash Soil padding 2, gravel layer 4 and planting soil layer 6, rammed earth layer 1, cushion lime 2, gravel layer 4 and planting soil layer 6 are spread from bottom to top If kind is implanted with vegetable layer 7 in planting soil layer 6, ovum pressure stone 11 and gravel pressure sheath 12 are also equipped in planting soil layer 6;Planting soil Pervious bed 5 is equipped between layer 6 and gravel layer 4.
Basis of the rammed earth layer 1 as other structures, compacted density >=94% of rammed earth layer 11 rise for other layers It is laid on rammed earth layer 1 to support and protective action, cushion lime 2, the support gravel layer 4 of cushion lime 2, on gravel layer 4 It is laid with planting soil layer 6, gravel layer 4 can support planting soil layer 6, while the pervious bed 5 between gravel layer 4 and planting soil layer 6, both Osmosis can be played, moreover it is possible to reduce soil erosion, protect planting soil layer 6;Vegetable layer 7, vegetable layer 7 are planted in planting soil layer 6 Select the vegetation of suitable Collapsible Loess District.
Further, it is laid with ovum pressure stone 11 in planting soil layer 6 and gravel presses sheath 12, ovum pressure stone 11 plays pressure shield planting soil The effect of layer 6, gravel pressure sheath 12 are dispersed in around ovum pressure stone 11, and the gravel of gravel shell of compression covers ovum pressure stone 11 but cannot The planting soil layer 6 of pressure shield carries out pressure shield, and the planting soil layer that adequately protects 6 reduces soil erosion.
Through the first overflow pipe 8 is connected in planting soil layer 6, gravel layer 4,8 one end of the first overflow pipe extends to dirt pad In layer 2, the other end of the first overflow pipe 8 stretches out planting soil layer 6, and one end that the first overflow pipe 8 stretches out planting soil layer 6, which is connected with, to be cut Dirty component;First overflow pipe 8 is connected to drainage pipeline networks;First overflow pipe 8 will be higher than 8 absolute altitude of the first overflow pipe on vegetable layer 7 Moisture drains into drainage pipeline networks, prevents moisture from gathering and influencing the plant growth of vegetable layer 7 on vegetable layer 7.First overflow The dirty component that cuts on pipe 8 is filtered to the moisture on vegetable layer 7, prevents the impurity in water flow from polluting, blocking the first overflow Pipe 8 and/or drainage pipeline networks.
Pervious bed 5 extends downwardly into the bottom of the first overflow pipe 8 along gravel layer 4, first overflow pipe of the isolation of pervious bed 58 with Gravel layer 4 and cushion lime 2.First overflow pipe 8 extend into cushion lime 2, and the first overflow pipe 8 is facilitated to connect with drainage pipeline networks, Meanwhile the discharge in order to guarantee moisture, the first overflow pipe 8 are isolated between gravel layer 4, cushion lime 2 by pervious bed 5, thoroughly Water layer 5 can facilitate moisture penetration and prevent the material of gravel layer 4, cushion lime 2 from flowing into the first overflow pipe 8, guarantee moisture Smooth discharge.
Preferably, rammed earth layer with a thickness of 150mm~200mm, cushion lime with a thickness of 100mm~150mm, gravel Layer with a thickness of 100mm~300mm, planting soil layer with a thickness of 200mm~250mm, wherein gravel layer be partial size 2cm~3cm, 3cm~4cm presses the gravel of 4:6 mixed configuration.
Specifically, pervious bed 5 includes permeable geotextiles, the density of the permeable geotextiles in pervious bed 5 is not less than 300g/ M2 prevents moisture from gathering in vegetable layer 7 and influences plant growth conducive to the seepage flow of moisture in planting soil layer 6.
Further, the altitude range that planting soil layer 6 is stretched out in one end that the first overflow pipe 8 stretches out planting soil layer 6 is 50mm- 150mm, i.e., the water flow height control on vegetable layer are conducive to form the non-irrigated small stream environment of ecology in 50mm-150mm.
Further, pad is equipped with impervious barrier 3 between cushion lime 2 and gravel layer 4, prevents the moisture penetration of gravel layer 4 from arriving It on cushion lime 2, and prevents cushion lime 2 from being impregnated by water, guarantees the structural stability of cushion lime 2 and rammed earth layer 1.
Further, impervious barrier 3 includes waterproof geotextiles, and the density of impervious barrier 3 is 1000~1500g/m2, waterproof geotechnique Cloth can effectively retain sand, by surplus liquid in soil structures and gas discharging, and enhance the stability of building structure, to change Kind soil body quality.
Specifically, gravel layer with a thickness of 100mm~300mm, gravel layer is conducive to the moisture penetration and ventilation of planting soil layer, Guarantee the plant growth of vegetable layer;For rammed earth layer with a thickness of 150mm~200mm, rammed earth layer stablizes support cushion lime And gravel layer.
Further, it cuts dirty component to include overflow plate 10 and cut dirty hand basket 9, cuts dirty hand basket 9 and be connected to the first overflow pipe 8 On, overflow plate 10, which covers, is located at one end that the first overflow pipe 8 stretches out plantation layer.Overflow hole is offered on overflow plate 10, moisture passes through Overflow hole, which overflows to, to be cut in dirty hand basket 9, is cut dirty hand basket 9 and is further filtered to water flow, double filtration is reinforced to the first overflow The protection of pipe 8, prevents drainage system from blocking.
Further, several the second overflow pipes 15 are connected on the first overflow pipe 8, the second overflow pipe 15 is connected to draining Pipe network.Second overflow pipe 15 extends to different directions, and the extending direction according to ecological non-irrigated small stream is different, connects on the first overflow pipe 8 Several the second overflow pipes 15 extended to different directions realize multi-direction extension, multi-direction overflow.Meanwhile each second overflow The mounting height of pipe 15 can be the same or different, and can need to be adjusted according to practice of construction.Specifically, the first overflow The material selection multiple tube of pipe 8 and the second overflow pipe 15, it is preferred that the diameter of the first overflow pipe 8 is 200mm, the second overflow pipe 15 diameter is 100mm.
Further, for the distribution of gravel of gravel pressure sheath 12 in planting soil layer 6, gravel presses the grain size of gravel model of sheath 12 Enclose 10~15cm.
Further, planting soil layer with a thickness of 200mm~250mm, planting soil layer 6 includes the sandy soil no more than 10%, The infiltration coefficient of planting soil layer 6 is not more than 5x10-4M/s keeps soil property soft, and infiltration is quick, prevents 7 moisture accumulation mistake of vegetable layer It is more, guarantee vegetation healthy growth.
Planting soil layer 6 selects the best soil of suitable for plant growth, component ratio in soil are as follows: minerals 45%, it is organic Matter 5%, air 20%, water 30%;Soil granular most preferably 1-5mm;It is required that without sandstone, building waste, house refuse and Highly acid soil, highly basic soil, solonchak, saline-alkali soil, rich clay, sandy soil, by heavy metal and organic pollution soil and contain other The soil etc. of harmful components.
Further, cushion lime with a thickness of 100mm~150mm, cushion lime 2 includes 3:7 dirt, and cushion lime 2 compacting factor is not less than 95%.37 lime earth is that one kind is formulated by a certain percentage with lime, clay with higher-strength Construction material, guarantee cushion lime 2 intensity.
Further, vegetable layer 7 be set as resisting cold, drought-enduring and high pressure resistant weather vegetation.According to itself belonging to for ecological non-irrigated small stream Property and function, planting plants should have the function of antiscour, cold-resistant, drought-enduring etc., combine certain ornamental value.Preferably, root system It is flourishing and base of leaf is short and small, is suitable for the plant of dense planting to promote the vegetation for prolonging resistance ability, meanwhile, selection is resistant to short-term water logging and has one Determine that drought-resistance ability, contamination resistance, resistance are strong, and can in the environment of cobble, thin sand and sediment pile growing plants, And facilitates the purification of pollutant and reinforce soil, prevent erosion.Preferably a variety of herbaceous plant carry out in plants configuration Combination, constitutes stable phytobiocoenose.
Specifically, the plant of vegetable layer 7 is preferably Euonymus japonicus 13, coreopsis 14 etc..
One embodiment of the non-irrigated small stream of the ecology of the utility model Collapsible Loess District:
Rammed earth layer with a thickness of 150mm, compacted density >=94% of rammed earth layer 1;Cushion lime with a thickness of 100mm, cushion lime 2 select 3:7 dirt, and compacting factor is not less than 95%;It is 1000g/m that impervious barrier 3, which selects density,2Antiseepage Geotextiles;Gravel layer 4 is that the graded gravel of 100mm is laid with;It is the permeable geotextiles of 300g/m2 that pervious bed 5, which selects density,; Sand 10% is mixed in planting soil layer 6, with a thickness of 200mm;The vegetation of vegetation cover plantation is Euonymus japonicus 13, coreopsis 14;The One overflow pipe 8 is the multiple tube that diameter is 200mm, and the second overflow pipe 15 is the multiple tube that several diameters are 100mm;Vegetable layer Water flow height is 50mm on 7, and the height that the first overflow pipe 8 stretches out planting soil layer 6 is identical as the water level elevation of vegetable layer 7, cuts dirt Hand basket 9 protrudes into the first overflow pipe 8, and intercepter plate stretches out the height of water level of vegetable layer 7;Gravel presses sheath 12 and the ovum pressure pressure shield of stone 11 In planting soil layer 6,6 soil erosion of planting soil layer is prevented.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines In range.

Claims (10)

1. a kind of non-irrigated small stream of ecology of Collapsible Loess District, it is characterised in that: including rammed earth layer, cushion lime, gravel layer, Pervious bed, planting soil layer, vegetable layer, ovum pressure stone and gravel press sheath, and the rammed earth layer, which encloses, covers the cushion lime, described Gravel layer and the planting soil layer, the rammed earth layer, the cushion lime, the gravel layer and the planting soil layer are under It is laid with upwards, kind is implanted with vegetable layer in the planting soil layer, and ovum pressure stone and gravel pressure sheath are also equipped in the planting soil layer;
Pervious bed is equipped between the planting soil layer and the gravel layer;
Through the first overflow pipe is connected in the planting soil layer, the gravel layer, first overflow pipe one end extends to institute It states in cushion lime, the other end of first overflow pipe stretches out the planting soil layer, and first overflow pipe stretches out described kind The one end for planting soil layer, which is connected with, cuts dirty component;
First overflow pipe is connected to drainage pipeline networks;
The pervious bed extends downwardly into the bottom of first overflow pipe along the gravel layer, the pervious bed isolation described the One overflow pipe and the gravel layer and the cushion lime.
2. the non-irrigated small stream of the ecology of Collapsible Loess District according to claim 1, it is characterised in that: first overflow pipe is stretched It is 50mm-150mm that the altitude range of the planting soil layer is stretched out in one end of the planting soil layer out.
3. the non-irrigated small stream of the ecology of Collapsible Loess District according to claim 1, it is characterised in that: the cushion lime and institute It states pad between gravel layer and is equipped with impervious barrier.
4. the non-irrigated small stream of the ecology of Collapsible Loess District according to claim 3, it is characterised in that: the impervious barrier includes anti- Water geotextiles, the density of the impervious barrier are 1000~1500g/m2
5. the non-irrigated small stream of ecology of Collapsible Loess District according to claim 1, it is characterised in that: described section of dirty component include Overflow plate and section dirty hand basket, described section of dirty hand basket are connected on first overflow pipe, and the overflow plate lid is located at described first Overflow pipe stretches out one end of the planting soil layer.
6. the non-irrigated small stream of the ecology of Collapsible Loess District according to claim 1, it is characterised in that: the thickness of the gravel layer For 100mm~300mm.
7. the non-irrigated small stream of the ecology of Collapsible Loess District according to claim 1, it is characterised in that: the gravel pressure sheath Distribution of gravel is in the planting soil layer, the grain size of gravel range 10-15cm of the gravel pressure sheath.
8. the non-irrigated small stream of the ecology of Collapsible Loess District according to claim 1, it is characterised in that: the thickness of the planting soil layer Degree is 200mm-250mm, and the planting soil layer includes the sandy soil no more than 10%, and the infiltration coefficient of the planting soil layer is not more than 5x10-4m/s。
9. the non-irrigated small stream of the ecology of Collapsible Loess District according to claim 1, it is characterised in that: the thickness of the cushion lime Degree is 100mm~150mm, and the cushion lime includes 3:7 dirt, and the compacting factor of the cushion lime is not less than 95%.
10. the non-irrigated small stream of the ecology of Collapsible Loess District according to claim 1, it is characterised in that: the vegetable layer is set as The vegetation of cold-resistant, drought-enduring and high pressure resistant weather.
CN201821031028.1U 2018-06-29 2018-06-29 The non-irrigated small stream of the ecology of Collapsible Loess District Active CN208791290U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110424494A (en) * 2019-07-05 2019-11-08 中山市海枣椰风景园林工程有限公司 A kind of sponge Greening Urban Road isolation strip green space system
CN113243281A (en) * 2021-04-30 2021-08-13 中建八局第二建设有限公司 Ecological drought xi system in sponge city saline and alkaline land

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110424494A (en) * 2019-07-05 2019-11-08 中山市海枣椰风景园林工程有限公司 A kind of sponge Greening Urban Road isolation strip green space system
CN113243281A (en) * 2021-04-30 2021-08-13 中建八局第二建设有限公司 Ecological drought xi system in sponge city saline and alkaline land

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Address after: 100070 block a, Chongxin building, 13 Hangfeng Road, Fengtai District, Beijing

Patentee after: China Construction Ecological Environment Group Co.,Ltd.

Patentee after: Qingyang CSCEC Longhao sponge City Construction Management Operation Co., Ltd

Address before: 100070 block a, Chongxin building, 13 Hangfeng Road, Fengtai District, Beijing

Patentee before: CHINA CONSTRUCTION WATER AFFAIRS ENVIRONMENTAL PROTECTION Co.,Ltd.

Patentee before: Qingyang CSCEC Longhao sponge City Construction Management Operation Co., Ltd

CP01 Change in the name or title of a patent holder