CN104032724A - Sand fixation and water retention device - Google Patents
Sand fixation and water retention device Download PDFInfo
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- CN104032724A CN104032724A CN201310547543.0A CN201310547543A CN104032724A CN 104032724 A CN104032724 A CN 104032724A CN 201310547543 A CN201310547543 A CN 201310547543A CN 104032724 A CN104032724 A CN 104032724A
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- sand
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- fixation
- keeping
- keeping device
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Abstract
The invention provides a sand fixation and water retention device. The sand fixation and water retention device comprises a first sand fixation and water retention component and a second sand fixation and water retention component. The first sand fixation and water retention component is of a two-dimensional net structure. The second sand fixation and water retention component is of a pile array and buried in the surface of earth. The first sand fixation and water retention component is fixed on the second sand fixation and water retention component. The second sand fixation and water retention component comprises a plurality of piles. The first sand fixation and water retention component comprises a plurality of net lines which are intersected to form the two-dimensional net structure. The piles and/or net lines are provided with at least a water storage layer, a clay layer and a reinforcing layer which are sequentially arranged from the inner side of a radial direction to the outer side of the radial direction. With the two-dimensional net structure and the pile array, the sand fixation and water retention device is formed into a three-dimensional structure so as to constrain the flowing sandy soils or flowable sandy soils, and by a water storage and retention function of the clay layer, improvement of the sand fixation and water retention effect is facilitated.
Description
Technical field
The present invention relates to a kind of sand-fixation, water-keeping device.
Background technology
Desertification is day by day serious in recent years, and desertification is to cause the one of the main reasons of sandstorm.Mainly prevent in the following ways at present desertification: 1) in the place of desert moving boundary, stalk, Humus etc. are implanted in sandy soil.Yet adopt manpower and materials in this way, have high input, implant, along with being dispersed of movement of sandy soil, does not reach the object of sand-fixation, water-keeping.2) adopt clay to cover whole desert region.Adopt that clay consumption is large in this way, be unfavorable for extensive enforcement.
For example, application number is that the patent of CN200810305422.4 discloses a kind of straw profile pipe sand-fixing device, comprise straw profile pipe, rope bar, fixing anchoring pile, on rope bar, install at least one straw profile pipe that centre is porose, the rope bar at the two ends of straw profile pipe is provided with fixedly anchoring pile, with one end connecting strand bar that is coated with the fixedly anchoring pile that straw profile pipe rope bar is connected, other end tip inserts in sand.Adopt this sand-fixing device, owing to straw profile pipe need being installed on rope bar, cause its complex manufacturing process.In addition, straw profile pipe mainly consists of the string of crops, is embedded in for a long time in earth's surface, is easily corroded and is out of shape, and has reduced the effect of contraction of whole sand-fixing device to sandy soil.
Summary of the invention
In view of this, main purpose of the present invention is, a kind of sand-fixation, water-keeping device that is conducive to improve sand-fixation, water-keeping effect is provided.
For achieving the above object, the present invention proposes a kind of sand-fixation, water-keeping device, comprise and be placed in the first sand-fixation, water-keeping parts that formed by two-dimensional network structure of ground surface and be embedded in the second sand-fixation, water-keeping parts that formed by stake battle array in earth's surface, and described the first sand-fixation, water-keeping parts are fixed on these the second sand-fixation, water-keeping parts.
Adopt said structure, because this sand-fixation, water-keeping device becomes 3-D solid structure by two-dimensional network structure with stake formation, by this 3-D solid structure can be better flow or runny sandy soil retrain, reach sand-fixation, water-keeping effect, be conducive to improve sand-fixation, water-keeping effect.
Preferably, described the second sand-fixation, water-keeping parts comprise a plurality of stakes, described the first sand-fixation, water-keeping parts comprise that setting intersected with each other is to form some netting twines of described two-dimensional network structure, and described stake and/or netting twine have along its axially extended reservoir bed and the argillic horizon that is coated on this reservoir bed outside.
Adopt said structure, because described stake and/or netting twine have reservoir bed and argillic horizon, by reservoir bed, can store a certain amount of water, argillic horizon can slow down the infiltration of water, thereby can keep sandy soil around for a long time in moisture state, to be conducive to afforest.In addition, by argillic horizon, moisture is carried out to prolonged permeation, can be fixed being positioned at sand-fixation, water-keeping device sandy soil around, improve its structure and improve its moisture holding capacity, realize reclamation result, thereby be conducive to reduce soil desertification.
Preferably, described stake and/or netting twine also comprise the enhancement Layer that is coated on described argillic horizon outside, are conducive to keep the structure of described stake and/or netting twine by this enhancement Layer.
Preferably, described reservoir bed is single and arranges between two parties in described argillic horizon, or described reservoir bed is a plurality of and they are dispersed in described argillic horizon, or, described reservoir bed and argillic horizon be respectively a plurality of and both be arranged alternately successively from inside to outside.
Adopt said structure, because described reservoir bed is coated with argillic horizon, the water yield of storage in reservoir bed is little by little infiltrated in sandy soil by argillic horizon, be conducive to improve the water retaining capacity of sand-fixation, water-keeping device.Meanwhile, owing to being provided with a plurality of reservoir beds and being conducive to improve the storage capacity of sand-fixation, water-keeping device.
Preferably, described reservoir bed comprises any one or a few in sand, peat, humus soil, fertilizer, water-loss reducer.Adopt said structure, the mixture of one or more in sand, peat, humus soil, fertilizer and water-loss reducer forms the loose structure with space, is conducive to keep storing moisture content.
Preferably, described argillic horizon comprises more than 80% clay and 10% high polymer binder roughly.Adopt said structure, because argillic horizon mainly consists of clay, be conducive to keep the 3-D solid structure of sand-fixation, water-keeping device.
Preferably, described enhancement Layer consists of degredation plastic or adhesive-bonded fabric.
Preferably, described the second sand-fixation, water-keeping parts comprise a plurality of stakes, described the first sand-fixation, water-keeping parts comprise that setting intersected with each other is to form some netting twines of described two-dimensional network structure, and described stake and/or netting twine comprise degradable longilineal polybag and receive any one or a few in the sand that is contained in this polybag, peat, humus soil, fertilizer, water-loss reducer.
Adopt said structure, because described stake and/or netting twine comprise degradable longilineal polybag and receive any one or a few in the sand that is contained in this polybag, peat, humus soil, fertilizer, water-loss reducer, be conducive to simplify the structure of sand-fixation, water-keeping device.
Preferably, the infall of adjacent described netting twine links together by the top of connector and described stake.
Adopt said structure, because the infall of the adjacent described netting twine top by connector and described stake links together, can increase the connectivity robustness of the first sand-fixation, water-keeping parts and the second sand-fixation, water-keeping parts, to prevent the first sand-fixation, water-keeping parts and the second sand-fixation, water-keeping isolation of components, reduce its restraint forces to sandy soil.
Preferably, the grid of the two-dimensional network structure of described the first sand-fixation, water-keeping parts is triangle or polygon.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of sand-fixation, water-keeping device;
Fig. 2 is for forming the netting twine of sand-fixation, water-keeping device or the structural representation of stake;
Fig. 3 is the schematic cross-section of sand-fixation, water-keeping device.
The specific embodiment
Below with reference to Fig. 1～Fig. 3, the specific embodiment of sand-fixation, water-keeping device of the present invention is described in detail.
As shown in Figure 1, sand-fixation, water-keeping device of the present invention is comprised of the first sand-fixation, water-keeping parts 1 and the second sand-fixation, water-keeping parts 2, wherein, the first sand-fixation, water-keeping parts 1 consist of two-dimensional network structure, this two-dimensional network structure is that some netting twines 11 are realized by the formation grid that arranges intersected with each other, this grid is preferably constitutionally stable triangle, also can be any one shape in the polygons such as rectangle, square, rhombus, regular hexagon, octagon.The first sand-fixation, water-keeping parts 1 are arranged on ground surface conventionally, for example, be arranged on acclive sand dune, and, the mesh-density of these the first sand-fixation, water-keeping parts 1 (being the number of grid in unit area) can change according to the difference of the gradient, and when the gradient is large, mesh-density is less, the gradient hour, mesh-density is larger.
The second sand-fixation, water-keeping parts 2 reality form by be arranged in rectangular a plurality of stakes 21 according to certain rule, these a plurality of stakes 21 are embedded in earth's surface in the mode perpendicular to earth's surface conventionally, the wind erosion and deposition Changing Pattern of environment of living in embeddingly can be depended in its buried depth and interval in earth's surface, conventionally, the buried depth of stake 21 should be greater than 30 centimetres.The infall of the netting twine 11 corresponding with stake 21 links together by for example rope (formation connector) and stake 21 tops.For example, if when the following enhancement Layer 32 of stake 21 consists of plastic fabric, can the infall of netting twine 11 and the plastic fabric on stake 21 tops be linked together by rope.Thus, realizing the first sand-fixation, water-keeping parts 1 is fixed on the second sand-fixation, water-keeping parts 2.
In the present embodiment, netting twine 11 and stake 21 form by the thread-like member with multilayer containment structures, and take below perpendicular to its axial cross section is that circular thread-like member is example, and this multilayer containment structures is described.
As shown in Figures 2 and 3, this multilayer containment structures has reservoir bed 31, argillic horizon 32 and the enhancement Layer 33 setting gradually from inside to outside.Reservoir bed 31 is that argillic horizon 32 is coated on the external surface of reservoir bed 31 along the axially extended thread-like member of netting twine 11 or stake 21, and in the present embodiment, reservoir bed 31 is single and arranges between two parties in argillic horizon 32.Enhancement Layer 33 is coated on the external surface of argillic horizon 32, and this enhancement Layer 33 is placed in outermost layer.Wherein, reservoir bed 31 is in order to water storage, and it mainly comprises sand, peat, humus soil, fertilizer, water-loss reducer etc., the mixture of one or more in these materials forms the loose structure with space, these spaces are conducive to water to import in reservoir bed 31, meanwhile, can also store water.
Argillic horizon 32 is in order to slow down the rate of infiltration of the water of being stored by reservoir bed 31, it mainly by for example more than 80% clay and roughly 10% high polymer binder form.Wherein, clay is a kind of raw material that occurring in nature exists, it is the smaller plasticity aluminium silicate salt of particle, it is comprised of multiple hydrosilicate and a certain amount of alumina, alkali metal oxide and alkaline earth oxide, and contains the impurity such as quartz, feldspar, mica and sulfate, sulfide, carbonate.After clay water is moistening, have plasticity, can be out of shape and can maintain the original state for a long time after dry under less pressure, its plasticity is stronger.High polymer binder can be paste, fish glue, epoxy glue etc.
Enhancement Layer 33 is coated on the periphery of argillic horizon 32, and it is in order to maintain the shape of multilayer containment structures.Enhancement Layer 33 consists of degredation plastic or adhesive-bonded fabric etc., wherein, degredation plastic refers to and in the manufacturing process of plastics, adds a certain amount of additive (as starch, modified starch or other cellulose, sensitising agent, biodegradation agent etc.), make stability decreases, the plastics that are easier to degrade in natural environment, this degredation plastic also can be made into plastic fabric.Adhesive-bonded fabric mainly refers to degradable nonwoven.
The device of sand-fixation, water-keeping shown in Fig. 1 can be used for desert area, Arid Desert Region etc. afforests and sand-fixation, water-keeping, and the areas such as hillside, riverbed that also can be used for loess zone prevent and treat loess resource and run off.While adopting sand-fixation, water-keeping device to carry out planting technique, need in aforementioned thread-like member, to inject in advance certain water, and then this sand-fixation, water-keeping device is laid and is embedded on earth's surface, in the sandy soil that conventionally plantings such as tree, turf fenced up at aforementioned grid.While arranging sand-fixation, water-keeping device, if sand-fixation, water-keeping device is approximate, arrange while being rectangle, can make this rectangular minor face parallel with the prevailing wind direction of this area, its long limit is perpendicular to prevailing wind direction, can increase like this sand-fixation, water-keeping device to the mobile blocking effect of sandy soil, be conducive to improve the restraint forces of sand-fixation, water-keeping device to sandy soil, thereby improve sand-fixation, water-keeping effect.Windy, to area, sand-fixation, water-keeping device can be arranged and be square, adopts this setup, if during wind direction frequent variations, can guarantee that sand-fixation, water-keeping device plays effect of contraction in all directions to sandy soil, is conducive to improve sand-fixation, water-keeping effect.The bond length of sand-fixation, water-keeping device is more preferably greater than 1 meter, and its long limit is more preferably greater than 1.5 meters.
Adopt above-mentioned sand-fixation, water-keeping device, because this sand-fixation, water-keeping device forms 3-D solid structure by two-dimensional network structure and stake 21, by this 3-D solid structure can be better flow or runny sandy soil retrain, reach sand-fixation, water-keeping effect, be conducive to improve sand-fixation, water-keeping effect.Simultaneously, owing to forming cancellated netting twine 11 and stake 21, by the thread-like member with multilayer containment structures, form, reservoir bed 31 by this multilayer containment structures can store a certain amount of water, argillic horizon 32 can slow down the infiltration of water, can keep sand-fixation, water-keeping device inner and around sandy soil for a long time in moisture state, be conducive to afforest.By 32 pairs of moisture of argillic horizon, carry out prolonged permeation, can be fixed being positioned at sand-fixation, water-keeping device sandy soil around, improve its structure and improve its moisture holding capacity, thereby being conducive to reduce soil desertification.In addition, because netting twine 11 adopts clays with stake 21, be raw material, clay is drawn materials conveniently and low price, is conducive to reduce the cost of sand-fixation, water-keeping device.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
For example, in the above-described embodiments, as shown in Figure 2, the cross section that forms the netting twine 11 of two-dimensional network structure and the thread-like member of stake 21 is circular, yet not limited thereto, the cross section of this thread-like member for example also can be, in oval and polygon (, triangle, rectangle, square, regular hexagon etc.) any one.The cross section that forms reservoir bed 31, argillic horizon 32 and the enhancement Layer 33 of thread-like member is also not limited to circle, and for example, reservoir bed 31 can be square, and argillic horizon 32 and enhancement Layer 33 are rounded, or reservoir bed 31 is circular, and argillic horizon 32 and enhancement Layer 33 are triangular in shape.
Again for example, in the above-described embodiments, thread-like member is not limited to consist of reservoir bed 31, argillic horizon 32 and enhancement Layer 33, more intense owing to making the plasticity of clay of argillic horizon 32, its shape invariance can be kept well, therefore, also enhancement Layer 33 can be omitted.In addition, the layout of reservoir bed 31, argillic horizon 32 and enhancement Layer 33 is not limited to shown in Fig. 2, and also can be in argillic horizon dispersed have a plurality of reservoir beds, for example, forms honeycomb coaly; Or, a plurality of reservoir beds and argillic horizon are set, they are arranged alternately from inside to outside successively.Adopt this structure, owing to being provided with a plurality of reservoir beds and being conducive to improve the storage capacity of sand-fixation, water-keeping device.
Again for example, in the above-described embodiments, as shown in Figure 2, forming cancellated netting twine 11 and stake 21 forms by the thread-like member with multilayer containment structures, yet not limited thereto, this thread-like member also can be simplified to by degradable longilineal polybag and receive any one or a few in the sand be contained in this polybag, peat, humus soil, fertilizer, water-loss reducer and form.
Again for example, in the above-described embodiments, by rope, the infall of the netting twine of two-dimensional network structure 11 and stake 21 top are linked together, however not limited thereto, also can by hook or the mode such as bonding by aforementioned both link together.In addition, also can other positions of two-dimensional network structure and other positions of stake be linked together by connector, and be not limited to the infall of netting twine and the top of stake.
Claims (10)
1. a sand-fixation, water-keeping device, it is characterized in that, comprise and be placed in the first sand-fixation, water-keeping parts (1) that formed by two-dimensional network structure of ground surface and be embedded in the second sand-fixation, water-keeping parts (2) that formed by stake battle array in earth's surface, and described the first sand-fixation, water-keeping parts (1) are fixed on these the second sand-fixation, water-keeping parts (2).
2. sand-fixation, water-keeping device according to claim 1, it is characterized in that, described the second sand-fixation, water-keeping parts (2) comprise a plurality of stakes (21), described the first sand-fixation, water-keeping parts (1) comprise that setting intersected with each other is to form some netting twines (11) of described two-dimensional network structure, and described stake (21) and/or netting twine (11) have along its axially extended reservoir bed (31) and be coated on the argillic horizon (32) outside this reservoir bed (31).
3. sand-fixation, water-keeping device according to claim 2, is characterized in that, described stake (21) and/or netting twine (11) also comprise the enhancement Layer (33) that is coated on described argillic horizon (32) outside.
4. according to the sand-fixation, water-keeping device described in claim 2 or 3, it is characterized in that, described reservoir bed (31) is single and arranges between two parties in described argillic horizon (32), or, described reservoir bed (31) is a plurality of and they are dispersed in described argillic horizon (32), or, described reservoir bed (31) and argillic horizon (32) be respectively a plurality of and both be arranged alternately successively from inside to outside.
5. according to the sand-fixation, water-keeping device described in claim 2 or 3, it is characterized in that, described reservoir bed (31) comprises any one or a few in sand, peat, humus soil, fertilizer, water-loss reducer.
6. according to the sand-fixation, water-keeping device described in claim 2 or 3, it is characterized in that, described argillic horizon (32) comprises more than 80% clay and 10% high polymer binder roughly.
7. sand-fixation, water-keeping device according to claim 3, is characterized in that, described enhancement Layer (33) consists of degredation plastic or adhesive-bonded fabric.
8. sand-fixation, water-keeping device according to claim 1, it is characterized in that, described the second sand-fixation, water-keeping parts (2) comprise a plurality of stakes (21), described the first sand-fixation, water-keeping parts (1) comprise that setting intersected with each other is to form some netting twines (11) of described two-dimensional network structure, and described stake (21) and/or netting twine (11) comprise degradable longilineal polybag and receive any one or a few in the sand that is contained in this polybag, peat, humus soil, fertilizer, water-loss reducer.
9. according to the sand-fixation, water-keeping device described in claim 2 or 8, it is characterized in that, the infall of adjacent described netting twine (11) links together by the top of connector and described stake (2).
10. sand-fixation, water-keeping device according to claim 1, is characterized in that, the grid of the two-dimensional network structure of described the first sand-fixation, water-keeping parts (1) is triangle or polygon.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310547543.0A CN104032724B (en) | 2013-11-06 | 2013-11-06 | Sand-fixation, water-keeping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310547543.0A CN104032724B (en) | 2013-11-06 | 2013-11-06 | Sand-fixation, water-keeping device |
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| CN104032724A true CN104032724A (en) | 2014-09-10 |
| CN104032724B CN104032724B (en) | 2016-04-20 |
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| CN201310547543.0A Active CN104032724B (en) | 2013-11-06 | 2013-11-06 | Sand-fixation, water-keeping device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012190A (en) * | 2020-08-04 | 2020-12-01 | 王伟 | Sand-fixing water-locking net suitable for desertification soil |
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| JPH11269860A (en) * | 1998-03-26 | 1999-10-05 | Shimizu Corp | Composite improvement ground structure |
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| CN104032724B (en) | 2016-04-20 |
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