CN208633050U - A kind of salt-soda soil man-made lake ecotype waterproof subtracts infiltration structure - Google Patents
A kind of salt-soda soil man-made lake ecotype waterproof subtracts infiltration structure Download PDFInfo
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- CN208633050U CN208633050U CN201820843912.9U CN201820843912U CN208633050U CN 208633050 U CN208633050 U CN 208633050U CN 201820843912 U CN201820843912 U CN 201820843912U CN 208633050 U CN208633050 U CN 208633050U
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Abstract
The utility model discloses a kind of salt-soda soil man-made lake ecotype waterproofs to subtract infiltration structure, the structure includes the first water plant planting area being sequentially distributed from low to high, second water plant planting area and land slope protection area, first water plant planting area, second water plant planting area and land slope protection area successively include lakebed rammed earth floor from the bottom to top, anti- thin power soil solidification layer, geotextile layer, clay layer and planting soil coating, excavate native groove of being always or usually as specified in the upper end that the lakebed rammed earth floor is located at land slope protection area, the anti-thin power soil solidification layer, geotextile layer successively extends and is layed in plain native groove, cobble is placed in the geotextile layer being located in the native groove of element, the compacting elevation that laying of the clay layer in land slope protection area extends to clay layer is higher by ordinary water level 100mm.The utility model entirety way advantage: dual subtract blends stabilization, and way ecology strong operability, process is simple, low cost, with natural harmony.
Description
Technical field
The utility model belongs to salt-soda soil every alkali construction processing field, and in particular to a kind of salt-soda soil man-made lake ecotype is anti-
Water subtracts infiltration structure.
Background technique
The analysis of China's man-made lake ecological construction can be seen that technological design and method to the entire man-made lake ecosystem
There is more mature frame and step, but ecological disruption caused by corresponding hydrogeology and corresponding waterproof subtract infiltration and arrange
The maintenance this respect applied, it is mainly the method for separating salt-soda soil underground completely that traditional man-made lake waterproof, which subtracts infiltration technology, although
It solves quality problem in lake, but substantive solution is still unable to get to the balance of the man-made lake ecosystem.Therefore, how not
In the case where influencing man-made lake ecological environment, pointedly studies man-made lake waterproof and subtract infiltration technology, make it have certain ecology
Property, it is the key that guarantee man-made lake ecosystem health.
Summary of the invention
Aiming at the problems existing in the prior art, the utility model provides a kind of salt-soda soil man-made lake ecotype waterproof and subtracts infiltration
Structure can effectively prevent the anti-alkali of lakebed, play buffer action.
To achieve the above object, the utility model uses following technical scheme:
A kind of salt-soda soil man-made lake ecotype waterproof subtracts infiltration structure, which includes the first water being sequentially distributed from low to high
Plant growing area, the second water plant planting area and land slope protection area, first water plant planting area, the second aquatic plant
Species growing area and land slope protection area successively include lakebed rammed earth floor, anti-thin power soil solidification floor, geotextiles from the bottom to top
Layer, clay layer and planting soil coating, it is recessed that soil of being always or usually as specified is excavated in the upper end that the lakebed rammed earth floor is located at land slope protection area
Slot, the anti-thin power soil solidification layer, geotextile layer successively extend and are layed in plain native groove, in being located at the native groove of element
Cobble is placed in geotextile layer, the compacting elevation that laying of the clay layer in land slope protection area extends to clay layer is higher by often
Water level 100mm,
Specific implementation step are as follows: it is one layer by every 300mm thickness by lakebed rammed earth, compaction in layers, compacting compactness >=
93%, form the lakebed rammed earth layer that compactness is not less than 93%；Pave anti-thin power soil on the lakebed rammed earth layer
Cured layer, the anti-thin power soil solidification layer are made of the plain anti-thin power soil curing material of soil addition C444 and SD；In anti-thin power
400-600g/m is laid on soil solidification layer2Staple fiber geotextiles, formed geotextile layer；It is laid in the geotextile layer glutinous
Soil is one layer by every 300mm thickness and paves, and forms clay layer；Planting soil coating is laid on the clay layer.
The element soil resisted in thin power soil solidification layer is loess, and the plasticity index of the loess is not less than 15, in loess
The mass percentage of sulfate be more than 0.3% or the mass percentage of organic matter be more than 5%, grinding compacting degree is 96% or more；
The dosage of thin power curing materials C444 solution is resisted to be 0.6L/m3 in the anti-thin power soil solidification layer, volume 0.8L/m3 is adopted
It is diluted with enough water, guarantees sufficient mix infiltration；Resist thin power curing materials SD pulvis in the anti-thin power soil solidification layer
Dosage be 20kg/ m3, volume 20kg/m3, SD are organic powdered chemical objects, are covered on carrier, it can be into one
Step increases the protection to soil after processing, resists the emollescence of water, maintains the stabilization of soil after processing, and increases soil spy
The adhesion characteristic of property.SD prevents that treated soil is flooded into so that the expansion for eliminating soil is existing by closing capillary
As.Its ingredient has syneresis and permanent holding effect, and the dosage of usual half is used for entire depth, the other half dosage
Top 10cm for embankment.
The anti-thin power soil solidification layer with a thickness of 250mm, infiltration coefficient 10-7cm/s。
The clay layer with a thickness of 300mm, infiltration coefficient 10-6Cm/s, clay layer are admicearth.
The planting soil coating be located at the first water plant planting area with a thickness of 300mm, planting soil coating is located at
Second water plant planting area with a thickness of 400mm.
Second water plant planting area and the first water plant planting area and the second water plant planting area and land
Plain concrete bed course is all made of on the clay layer that slope protection area connects by the sleeping jail of stone, the element concrete bed course is 100mm thick, 300mm's wide
C20 element concrete bed course.
Overlap distance in the geotextile layer between adjacent geotextiles is not less than 300mm.
The partial size of the cobble is 100mm, and the partial size of the stone is 250-350mm.
The utility model principle: lakebed rammed earth covers one layer of anti-thin power soil solidification layer above and reinforces stability lagoon bottom,
Cover geotextiles and clay layer again on this basis, Surface mulch planting soil, be allowed to form with anti-thin power soil solidification layer and
The twice of clay layer combination subtract infiltration layer, and geotextiles play the role of isolation, anti-filter, reinforcement, strengthen lakebed and prevent blending alkali prevention
Performance, while lakebed and underground Ecology Action can be maintained again.
Ecomaterial used in the technology, clay have water-swellable and reach water-conservation seepage-resistance performance, have one to purification of water quality
It is set for using, the inorganic phosphide that it can constantly in adsorbed water body avoids the eutrophication process in lake to a certain extent, inhibits
Virose algal grown avoids adversely affecting environment.Secondly the isolation being combined into using anti-thin power layer and geotextiles
Layer, plays buffer action to beneath anti-alkali.Anti- thin power layer is that physical reaction occurs by consolid material and soil, accelerates viscosity
The nature process of soil petrochemical industry changes its characteristic to stable soil and plays the role of barrier performance, and the principle of anti-thin power meets
The natural law, and consolid material C444 and SD are a kind of organic chemicals, are the moisture films for destroying the attachment of soil fine particle,
Soil is reduced to the sensibility of water, without generating negative effect to the man-made lake ecosystem.
Compared with prior art, the utility model has the following beneficial effects:
1, the double-deck reducing infiltration effect, clay layer (infiltration coefficient 10-6cm/s) and anti-thin power soil solidification layer (infiltration coefficient 10-
Twice anti-permeability performance structure up and down, and not exclusively partition and underground moisture and air-flow reciprocation 7cm/s) are combined into, in guarantee
Ecology exchange between lower.
2, reinforce lakebed stablizing effect, two layers of stability fundamental of lakebed is formed with rammed earth and anti-thin power soil solidification layer.
3, alkali prevention effect: anti-thin power soil solidification layer and geotextiles can it is a degree of isolator under anti-alkali, and can protect
Demonstrate,prove ground vapour.
4, ecological effect: clay plays an important role to purification of water quality, the inorganic phosphide in its continuous adsorbed water body, thus
The oxygen enrichment process for avoiding lake, avoids virose algal grown.Conducive to local ecosystem restoration, it is conducive to wetland plant
Root system development is conducive to plant growth.
5, prevent peripheral ground water pollution effect: revetment uses gentle slope form, builds cobble and water plant planting area is arranged,
Saline alkali tolerant plant is planted in land slope protection simultaneously, prevention surface water is played and washes away and stagnant saline and alkaline effect.
The utility model entirety way advantage: dual subtract blends stabilization, and way ecology strong operability, process is simple, makes
Valence is low, with natural harmony.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
As shown in Figure 1, the present embodiment salt-soda soil man-made lake ecotype waterproof subtracts infiltration structure, the structure include from low to high according to
The first water plant planting area 1, the second water plant planting area 2 and the land slope protection area 3 of secondary distribution, first water plant
Growing area 1, the second water plant planting area 2 and land slope protection area 3 successively include lakebed rammed earth floor 4, resist from the bottom to top
It dredges power soil solidification layer 5, geotextile layer 6, clay layer 7 and planting soil coating 8, the lakebed rammed earth layer 4 and is located at land
Native groove 9 of being always or usually as specified is excavated in the upper end in slope protection area 3, and the anti-thin power soil solidification layer 5, geotextile layer 6 successively extend and are laid with
In plain native groove 9, it is placed with cobble 10 in the geotextile layer being located in the native groove 9 of element, the clay layer 7 is in land slope protection
The compacting elevation that the laying in area 3 extends to clay layer is higher by ordinary water level 100mm,
Kind is implanted with heavy water, floatingleaved plant in the first water plant planting area 1, and the second 2 kinds of water plant planting area is implanted with
Saline-alkali tolerant water plant improves water quality, and kind is implanted with saline-alkali tolerant ground cover plant in land slope protection area 3, and surface water washes away in order to prevent,
Specific implementation step are as follows: it is one layer by every 300mm thickness by lakebed rammed earth, compaction in layers, compacting compactness >=
93%, form the lakebed rammed earth layer 4 that compactness is not less than 93%；Pave anti-thin power soil on the lakebed rammed earth layer 4
Earth cured layer 5, the anti-thin power soil solidification layer 5 are made of the plain anti-thin power soil curing material of soil addition C444 and SD；Anti-
It dredges and is laid with 400-600g/m on power soil solidification layer 52Staple fiber geotextiles, formed geotextile layer 6；In the geotextile layer 6
Upper laying clay is one layer by every 300mm thickness and paves, and forms clay layer 7；Planting soil coating is laid on the clay layer 7
8。
Preferably, the element soil in thin power soil solidification layer 5 is resisted to be loess described in the present embodiment, the plasticity of the loess refers to
Number is not less than 15, in loess the mass percentage of sulfate be more than 0.3% or the mass percentage of organic matter be more than 5%, stone roller
Densification solidity is 96% or more；Resist the dosage of thin power curing materials C444 solution to be 0.6L/m3 in anti-thin power soil solidification layer 5, mixes
Amount is 0.8L/m3；The dosage of thin power curing materials SD pulvis is resisted to be 20kg/ m3 in anti-thin power soil solidification layer 5, volume is
20kg/m3, resist thin power soil solidification layer 5 with a thickness of 250mm, infiltration coefficient 10-7cm/s。
As further preferred, the present embodiment clay layer 7 with a thickness of 300mm, infiltration coefficient 10-6cm/s。
As further preferred, planting soil coating 8 described in the present embodiment is located at the thickness in the first water plant planting area
For 300mm, planting soil coating 8 be located at the second water plant planting area with a thickness of 400mm；Second water plant planting area 2
Element is all made of on the clay layer to connect with the first water plant planting area 1 and the second water plant planting area 2 with land slope protection area 3
Concrete bed course 11 is by the sleeping jail of stone 12, and the element concrete bed course 11 is thick for 100mm, the C20 element concrete bed course of 300mm wide.
As further preferred, the overlap distance in this implementation geotextile layer 6 between adjacent geotextiles is not less than 300mm；
The partial size of cobble 10 is 100mm, and the partial size of the stone 12 is 250-350mm.
Concrete application example:
Dongying hotel VIP Building south scape lake bottom of pond waterproofing process case, lake surface accumulate 1300 ㎡, depth of water 1.5m, this area's sand
Matter soil, easy to leak, saline alkali are also more serious.The man-made lake prevents that blending alkali prevention asks using the present embodiment ecological method processing pond bottom
Topic: it facts have proved that the present embodiment way can reach ecological anti-seepage effect, while water quality is so clear that you can see the bottom, aquatic plants growth effect is good
It is good.
Although above-described embodiment makes specific descriptions to the utility model, for those of ordinary skill in the art
For, it is understood that it can be within the spirit and scope for not departing from the utility model based on disclosed by the utility model interior
Appearance is modified or is improved, these modification and improvement are all within the spirit and scope of the utility model.
Claims (10)
1. a kind of salt-soda soil man-made lake ecotype waterproof subtracts infiltration structure, which is characterized in that the structure includes successively dividing from low to high
The first water plant planting area (1), the second water plant planting area (2) and the land slope protection area (3) of cloth, the first aquatic plant
Species growing area (1), the second water plant planting area (2) and land slope protection area (3) successively include lakebed element earth rammer from the bottom to top
Real layer (4), anti-thin power soil solidification layer (5), geotextile layer (6), clay layer (7) and planting soil coating (8), the lakebed element
The upper end that rammed earth floor (4) is located at land slope protection area (3), which is excavated, is always or usually as specified native groove (9), the anti-thin power soil solidification layer
(5), geotextile layer (6) successively extends and is layed in plain native groove (9), in the geotextile layer being located in the native groove (9) of element
It is placed with cobble (10), the clay layer (7) is higher by ordinary water level in the compacting elevation that land slope protection area (3) extends to clay layer
100mm。
2. man-made lake ecotype waterproof in salt-soda soil according to claim 1 subtracts infiltration structure, which is characterized in that the anti-thin power
Element soil in soil solidification layer (5) is loess, and the plasticity index of the loess is not less than 15, the quality percentage of sulfate in loess
Content be more than 0.3% or the mass percentage of organic matter be more than 5%, grinding compacting degree is 96% or more.
3. man-made lake ecotype waterproof in salt-soda soil according to claim 1 subtracts infiltration structure, which is characterized in that the anti-thin power
The dosage for resisting thin power curing materials C444 solution in soil solidification layer (5) is 0.6L/m3, volume 0.8L/m3.
4. man-made lake ecotype waterproof in salt-soda soil according to claim 1 subtracts infiltration structure, which is characterized in that the anti-thin power
The dosage for resisting thin power curing materials SD pulvis in soil solidification layer (5) is 20kg/ m3, volume 20kg/m3.
5. man-made lake ecotype waterproof in salt-soda soil according to claim 1 subtracts infiltration structure, which is characterized in that the anti-thin power
Soil solidification layer (5) with a thickness of 250mm, infiltration coefficient 10-7cm/s。
6. man-made lake ecotype waterproof in salt-soda soil according to claim 1 subtracts infiltration structure, which is characterized in that the clay layer
(7) with a thickness of 300mm, infiltration coefficient 10-6cm/s。
7. man-made lake ecotype waterproof in salt-soda soil according to claim 1 subtracts infiltration structure, which is characterized in that the planting soil
Coating (8) be located at the first water plant planting area with a thickness of 300mm, planting soil coating (8) is located at the second water plant
Growing area with a thickness of 400mm.
8. man-made lake ecotype waterproof in salt-soda soil according to claim 1 subtracts infiltration structure, which is characterized in that second water
Plant growing area (2) and the first water plant planting area (1) and the second water plant planting area (2) and land slope protection area (3)
Plain concrete bed course (11) is all made of on the clay layer to connect by stone (12) sleeping jail, the element concrete bed course (11) is 100mm thick,
The C20 element concrete bed course of 300mm wide.
9. man-made lake ecotype waterproof in salt-soda soil according to claim 1 subtracts infiltration structure, which is characterized in that the geotextiles
Overlap distance in layer (6) between adjacent geotextiles is not less than 300mm.
10. man-made lake ecotype waterproof in salt-soda soil according to claim 8 subtracts infiltration structure, which is characterized in that the cobble
(10) partial size is 100mm, and the partial size of institute's stone (12) is 250-350mm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851395A (en) * | 2020-07-29 | 2020-10-30 | 重庆地质矿产研究院 | Deep water ecological weir pond |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851395A (en) * | 2020-07-29 | 2020-10-30 | 重庆地质矿产研究院 | Deep water ecological weir pond |
| CN111851395B (en) * | 2020-07-29 | 2021-08-27 | 重庆地质矿产研究院 | Deep water ecological weir pond |
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