CN1641110A - Coarse paper honeycomb plate sand-protecting barrier and its use for preventing sand harm - Google Patents
Coarse paper honeycomb plate sand-protecting barrier and its use for preventing sand harm Download PDFInfo
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- CN1641110A CN1641110A CN 200410025854 CN200410025854A CN1641110A CN 1641110 A CN1641110 A CN 1641110A CN 200410025854 CN200410025854 CN 200410025854 CN 200410025854 A CN200410025854 A CN 200410025854A CN 1641110 A CN1641110 A CN 1641110A
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- sand
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- honeycomb plate
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Abstract
This invention relates to a kind of beehive plank barrier make of toilet paper which can fix the sand. It is produced by toilet paper plank which draws polyester layer on the surface and then comminute small square around to become big pane. The invention cost is low, the construction is convenience, it doesn't pollute the environment, in further the environment hungriness, with extensively applied foreground in preventing the harm sandstorm.
Description
Technical field
The present invention relates to that a kind of toilet paper honeycomb plate fixes the sand to hinder and in the husky application of fixing the sand, preventing and treating in the hazards of sand storms of resistance.
Background technology
Wrapping blue railway has 55 kilometers by Tengger desert southeast line, and 16 kilometers of location, Shapotou mostly are tall and big intensive mobile trellis dune group, and natural conditions are abominable, and amount of precipitation is low, does not have underground water again and can utilize.Since 1956, through 30 years three generations people's unremitting effort, explore finally based on admittedly, admittedly hinder combination, based on vegetative sand control, the technical measures that vegetative sand control and machinery fix the sand to combine.55 kilometers railway both sides, adopt 1m * 1m straw checkerboard barrier sand-protecting barrier to set up north wide 500 meters (some places are 300 meters), the railway sand prevention protection system that south is wide 200 meters has prevented the harm of drift sand effectively, for vegetative sand control is created a stable condition.Over more than 30 year, utilize vegetable seeds self water retaining functions such as oily wormwood artemisia, sand sagebrush (Artemisia filifolia), hedysarum scoparium, caragana microphylla, arrow-leaved oleaster of psammophytes, building up preferably through 8-10, artificial vegetation, coverage scale can reach 30%.Along with vegetation coverage increases, sand ground natural conditions environment improves, and forms the green together natural cover for defense, thereby guarantees that the blue railway three of bag is unblocked during the last ten years.As time goes on, the straw checkerboard barrier of laying then is rotten through erosion by wind and rain; Some psammophytes is owing to drought and water shortage, and it is withered to have failed, and the vegetative sand control achievement that three more than ten years were obtained faces new wind erosion threat again.Again repair and,, buy and collect difficulty because wheat straw is the raw material of papermaking to the careless lattice in laying side, innerland, desert; The 2nd, laying straw checkerboard barrier needs are artificial many, financial cost is high; The 3rd, the transportation difficulty; The 4th, the life-span of wheat straw has only causes such as 2-3, has been impossibility.Therefore people's exploration of the application of new material and the new measure of preventing and fixing sand, new model of having to sight is invested.Chinese patent 02294372.2 discloses a kind of " cellular plastic knitting Sand-fixation net ", in the location, Shapotou, coastal beach is applied the result that preventing and fixing sand is obtained.But weak point has pollution to environment, and the fixedly needs of plastic wire are manually pounded into timber wedge, and are time-consuming.
Summary of the invention
Purpose of the present invention provides a kind of straw board preventing and fixing sand barrier based on husky sand control, the thinking of suiting measures to local conditions, gathering materials on the spot.
Another object of the present invention is to toilet paper honeycomb plate and fix the sand to hinder application in the control hazards of sand storms.Utilize its architectural feature, prevent moving of drift sand, realize the purpose of vegetative sand control.
Technical solution of the present invention is to realize like this
A kind of toilet paper honeycomb plate fixes the sand to hinder, it is the lattice that forms by the crisscross grafting of the straw board of surface applied polyester layer, crowd around into by lattice again that big grid combines, the specification of lattice is 0.05m * 0.05m-0.1m * 0.1m, the specification of big grid is 1m * 1m-2m * 2m, hinders high 10-40cm.
In the long-term practice of administering sand damage, the way that adopts large tracts of land tackling quicksand surface is usually made the trellis or the band shape of different size for adopting unlike material.In general, banded sand is mainly used in the comparatively single sand damage of control wind direction, and the trellis sand-protecting barrier is used for preventing and treating the sand damage that is caused under many-sided wind effect more.
The present invention lays 1m * 1m, 1.2m * 1.2m, 1.5m * 1.5m, 2m * 2m respectively at the Shapotou trellis dune, and the high toilet paper honeycomb plate that is respectively 15cm, 20cm, 22.5cm, 25cm of barrier fixes the sand barrier to observe sand-protecting barrier to long-pending mechanism of stream erosion and control action.
Under the wind-force effect, the sand dune at first begins deflation from the windward slope starting point in reach, then district's aggravation gradually alee.Test shows, correct sand-protecting barrier is set can weakens wind speed, improves roughness of ground surface, guarantees to hinder ridge base portion and is not eroded.In case do not eroded in the barrier ridge, stream is subjected to hindering stopping of the ridge, and deflation length just is controlled between the adjacent ridge of barrier in twos, front and back.That is to say where the barrier ridge is located at, and the deflation starting point is also just correspondingly decided thereupon.In sand-protecting barrier is set.The one, resolve the problem of stopping on the barrier ridge, it is tenable to guarantee to hinder the ridge, if the barrier ridge by wind once blowing, just lose the control action of sand-protecting barrier to stream.It is by lattice filling sand that toilet paper honeycomb plate fixes the sand to hinder, thereby achieve a solution, with firm sand-protecting barrier, the 2nd, the barrier ridge contacts with Shamian Island well, can integrate with Shamian Island.Toilet paper honeycomb plate fixes the sand to hinder material and loosens, rough surface, and Shamian Island and sand-protecting barrier are integrated, and are not vulnerable to the sapping of wind-force.
Prevent that the most basic measure of hazards of sand storms from fixing the sand exactly, change underlying surface character in the barrier, increase roughness of ground surface and transform the dust storm moving condition.Stabilize to ultimate aim with Shamian Island in hindering.The section that the sand-protecting barrier location is set from the sand dune is analyzed, newly-installed toilet paper honeycomb plate fix the sand the barrier on, when stream through out-of-date, all there is vortex to produce, and long-pending husky phenomenon (see figure 2) is arranged, through the fully long-pending effect of erosion, form comparatively smooth and stable concave curved surface at last.This concave curved surface (see figure 3), the ratio (being the depth-to-width ratio of concave curved surface) of its average maximum depth and barrier ridge spacing all remains between the 1/10-1/15, and this hinders the deflation of interior Shamian Island with regard to explanation or pile up and can be controlled effectively by the size that hinders high height and barrier ridge arrangement pitches.
Table 1 different underlying surface and last sedimentary loading comparative observation
| Face of land character | Wind speed 1/2 (m/s) | Sedimentary loading (g/cm.m.n) | The concave curved surface degree of depth (cm) |
| Drift sand | ????12.6 | ????13.9 | ????0.007 |
| The gravel platform | ????8.3 | ????0.398 | ????0.410 |
| Toilet paper honeycomb plate fixes the sand 1m * 1m lattice barrier | ????8.0 | ????0.012 | ????1.632 |
| New 1m * 1m straw checkerboard barrier sand-protecting barrier | ????7.9 | ????0.007 | ????1.517 |
| Old 2m * 2m straw checkerboard barrier sand-protecting barrier | ????8.1 | ????0.609 | ????2.398 |
As can be seen from Table 1, toilet paper honeycomb plate fixes the sand to hinder sedimentary loading, and the concave curved surface degree of depth is a little more than new straw checkerboard barrier sand-protecting barrier, will be good than other form sand-fixing effect many.
Because sand-protecting barrier forms stable concave curved surface, amass the well-regulated undulatory underlying surface that stable concave curved surface is formed by this erosion, lift effect with a kind of small-sized shallow slot, it can guarantee that Shamian Island self does not play sand when high wind, a small amount of external sand material is handled upside down with the form of non-accumulation passes by.Because this underlying surface has certain " lift effect ", the external grains of sand there is the lifting effect.
The protection benefit of grid sand-protecting barrier mainly is to increase roughness of ground surface, reduces the air velocity of near surface formation, thereby reduces the transportability of sediments of air-flow, changes silt discharge with the feature that highly distributes.
The present invention compared with prior art, the beneficial effect of its advantage and generation is:
1, straw board surface applied polyester layer has waterproof, anti-marquis, corrosion-resistant function, long service life; When reaching certain time limit, the differentiation of straw board natural degradation, do not produce pollution;
2, be convenient to carrying, in the construction, as long as straw board is pegged graft in length and breadth, bury the grid foundation with sand, the time and labour saving can large-arealy be applicable;
3, process raw material rich, cheap, but suitability for industrialized production;
4, spread psammophytes seed in lattice, under certain moisture, temperature condition, sprout, growth, thereby can realize the purpose of vegetative sand control;
Description of drawings
Fig. 1 fixes the sand to hinder the schematic diagram that is provided with in the open air for toilet paper honeycomb plate
Fig. 2 is that 1m * 1m toilet paper honeycomb plate fixes the sand to hinder section and air-flow streamline schematic diagram
Fig. 3 is that 1m * 1m toilet paper honeycomb plate fixes the sand to hinder section and air-flow streamline (having formed stable concave curved surface) schematic diagram
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further described again
Embodiment 1, a kind of toilet paper honeycomb plate fixes the sand to hinder, be that straw board 1 crisscross grafting by the surface applied polyester layer forms three row's lattices 2, crowd around by three row's lattices 2 again and be combined into big grid 3, the specification of lattice 2 is 0.05m * 0.05m, the specification of big grid 3 is 1m * 1m, buries the grid foundation with sand, forms the dotted grid seam of large tracts of land (see figure 1).
Learn from open-air site observation test: in the windward side, the stream streamline is wave.When dust storm fixes the sand to hinder through the toilet paper honeycomb plate that is provided with, all there is eddy current to produce, after circling round, cross sand-protecting barrier, when entering next big grid 3, the end, fall in the surface layer air velocity, and drift sand carrying dynamics weakens thereupon.Stream is by behind the grid, and it is long-pending husky that the lattice barrier is produced all around, after the long-pending effect of sufficient erosion, lattice barrier underlying surface character obtains changing, comparatively smooth and stable concave curved surface is formed on big grid 3 bottoms, and ground forms the biological breadcrust layer and promotes soil-forming process, for vegetative sand control is created a stable condition.
Embodiment 2, press the mode of embodiment 1, and the toilet paper honeycomb plate that 1m * 1m, 1.2m * 1.2m, 1.5m * 1.5m, 2m * 2m are set fixes the sand to hinder, and its concave curved surface degree of depth experimental data sees Table 2
The different barrier of table 2 ridge spacing toilet paper honeycomb plate fixes the sand to hinder test
| Toilet paper honeycomb diploe ridge spacing | ????1m×1m | ????1.2m×1.2m | ????1.5m×1.5m | ????2m×2m |
| The concave curved surface degree of depth (cm) | ????11.4 | ????13 | ????15.6 | ????19.5 |
| Depth-to-width ratio | ????1/10 | ????1/11 | ????1/10 | ????1/10 |
As can be seen from Table 2, stream is long-pending through erosion fully, occurs the long-pending stable Shamian Island of erosion in the barrier, and underlying surface forms the concave curved surface of different depth.Each lattice barrier forms the long-pending stable sub-district of erosion like this, and these sub-districts respectively have the deflation of battle array control Shamian Island of one's own, make whole sand dune reach fixing at last.
Claims (2)
1, a kind of toilet paper honeycomb plate fixes the sand to hinder, it is characterized in that the lattice (2) that the crisscross grafting of straw board (1) by the surface applied polyester layer forms, crowd around into by lattice (2) again that big grid (3) combines, the specification of lattice (1) is 0.05m * 0.05m-0.1m * 0.1m, the specification of big grid (3) is 1m * 1m-2m * 2m, hinders high 10-40cm.
2, a kind of toilet paper honeycomb plate fixes the sand to hinder at resistance sand, fixes the sand, prevents and treats the application in the hazards of sand storms.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410025854 CN1641110A (en) | 2004-01-18 | 2004-01-18 | Coarse paper honeycomb plate sand-protecting barrier and its use for preventing sand harm |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200410025854 CN1641110A (en) | 2004-01-18 | 2004-01-18 | Coarse paper honeycomb plate sand-protecting barrier and its use for preventing sand harm |
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| CN1641110A true CN1641110A (en) | 2005-07-20 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261061A (en) * | 2010-05-25 | 2011-11-30 | 兰州铁道设计院有限公司 | Nylon net fence for Gobi wind sand control |
| CN102312423A (en) * | 2011-06-27 | 2012-01-11 | 娄志平 | Conjoined plastic net sand stabilization fence and sand stabilization construction method thereof |
| CN102477734A (en) * | 2010-11-22 | 2012-05-30 | 东丽纤维研究所（中国）有限公司 | Method for forming sand movement preventing material |
| CN104652402A (en) * | 2015-01-16 | 2015-05-27 | 中国农业大学 | Composite sand-protecting barrier |
| CN111501719A (en) * | 2019-01-31 | 2020-08-07 | 北京博海云通国际商贸有限公司 | Novel low-cost sand-fixing and controlling method |
| CN112167012A (en) * | 2020-09-07 | 2021-01-05 | 中铁第一勘察设计院集团有限公司 | Railway sand wind plane micro-seepage drip irrigation system in desertification region and construction method thereof |
-
2004
- 2004-01-18 CN CN 200410025854 patent/CN1641110A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261061A (en) * | 2010-05-25 | 2011-11-30 | 兰州铁道设计院有限公司 | Nylon net fence for Gobi wind sand control |
| CN102477734A (en) * | 2010-11-22 | 2012-05-30 | 东丽纤维研究所（中国）有限公司 | Method for forming sand movement preventing material |
| CN102312423A (en) * | 2011-06-27 | 2012-01-11 | 娄志平 | Conjoined plastic net sand stabilization fence and sand stabilization construction method thereof |
| CN104652402A (en) * | 2015-01-16 | 2015-05-27 | 中国农业大学 | Composite sand-protecting barrier |
| CN111501719A (en) * | 2019-01-31 | 2020-08-07 | 北京博海云通国际商贸有限公司 | Novel low-cost sand-fixing and controlling method |
| CN112167012A (en) * | 2020-09-07 | 2021-01-05 | 中铁第一勘察设计院集团有限公司 | Railway sand wind plane micro-seepage drip irrigation system in desertification region and construction method thereof |
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