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.
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.