CN105019423A - Lap-joint slope wrapping wind prevention and sand fixation method - Google Patents
Lap-joint slope wrapping wind prevention and sand fixation method Download PDFInfo
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- CN105019423A CN105019423A CN201510375540.2A CN201510375540A CN105019423A CN 105019423 A CN105019423 A CN 105019423A CN 201510375540 A CN201510375540 A CN 201510375540A CN 105019423 A CN105019423 A CN 105019423A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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Abstract
The invention relates to the field of comprehensive wind-drift sand control and discloses a lap-joint slope wrapping wind prevention and sand fixation method. Control parameters of a sand accumulated road segment, including the dune moving direction, the dune size, the dune length, the size of an included angle between the dune and the route, the bury speed of wind-drift sand, and the frequency of wind, are measured and analyzed, and the sand accumulated road segment is subjected to lap-joint slope wrapping sand prevention treatment according to the control parameters. As the lap-joint slope wrapping sand prevention method is adopted, the durability of a sand prevention system is improved; and through scientific and reasonable selection of the position of a sand barrier, the utilization ratio of the sand barrier is improved, sand accumulation on roads is retarded, such adjunctive jobs as sand cleaning are reduced, and the desert road maintenance cost is lowered.
Description
Technical field
The present invention relates to dust storm comprehensive regulation field, particularly relate to a kind of overlap joint bag slope formula and to check winds and fix drifting sand method.
Background technology
At present, desert highway mainly adopts and uses reed to protect, Oasis Region, desert changeover portion (k226 ~ k247), innerland, desert (k247 ~ k367) location are mainly distributed in for route, protection form is set to reed height sand-protecting barrier I type, II type, III type respectively, left side grid is laid width and is respectively 15m, 60m, 80m, and it is 40m that width is all laid on right side.At least there is following technical disadvantages in the sand-protecting barrier sand-control method of prior art:
1, sediment control structure is substantially along the parallel laying of route, and line style change is single.
2, sand-protecting barrier local wind is ruined seriously.
3, sand-protecting barrier only embody to sand " Gu " and the feature of " resistance ", do not embody the effect of " dredging " and " leading ", the resistance of former sand-protecting barrier belongs to hard resistance, well damage.
Summary of the invention
The invention provides a kind of overlap joint bag slope formula to check winds and fix drifting sand method, solve vibrating data collection in prior art and there is noncontinuity, cause the technical problem that important information is lost.
The object of the invention is to be achieved through the following technical solutions:
A kind of overlap joint bag slope formula is checked winds and fixed drifting sand method, comprising:
Measure and analyze the improvement parameter in sand section, described improvement parameter comprises sand dune trend, sand dune size, sand dune length, sand dune and route corner dimension, the speed of burying of drift-sand, the frequency of wind;
According to described improvement parameter, the slope formula sand prevention of overlap joint bag is carried out to described sand section and administers.
The invention provides a kind of overlap joint bag slope formula to check winds and fix drifting sand method, by measuring and analyzing the improvement parameter in sand section, described improvement parameter comprises sand dune trend, sand dune size, sand dune length, sand dune and route corner dimension, the speed of burying of drift-sand, the frequency of wind, according to described improvement parameter, the slope formula sand prevention of overlap joint bag is carried out to described sand section and administers.The present invention takes the slope formula sand prevention of overlap joint bag, improves the service life of sand-prevention system, by scientific and reasonable selection sand-protecting barrier position, improves the utilization rate of sand-protecting barrier, postponed road surface sand, decreases the attached work such as husky clearly, reduces desert highway maintenance cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, also can obtain other accompanying drawing according to these accompanying drawings.
The structural representation of traditional sand prevention form that Fig. 1 provides for the embodiment of the present invention;
The one overlap joint bag slope formula that Fig. 2 provides for the embodiment of the present invention is checked winds and fixed drifting sand method flow diagram.
Detailed description of the invention
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
In the embodiment of the present invention, be illustrated in figure 1 original sand prevention form, and produce local wind's conductance to sand dune trend, have also been changed local landform.The parallel high sand-protecting barrier of this design, causes sand dune to become the angle of 15 ° ~ 30 ° with route; After sand dune and route form angle, the husky effect of resistance has been played on sand dune self, during wind season, husky along sand dune axis direction straight line under, bring a large amount of drift-sand to bury high sand-protecting barrier and straw checkerboard barrier, there is sheet sand and ligule sand in local, even drift-sand is set out on a journey.Embodiment of the present invention composition graphs 1 and the situation occurred thereof, the one overlap joint bag slope formula introducing the embodiment of the present invention is is in detail checked winds and fixed drifting sand method, as shown in Figure 2, comprising:
Step 201, measure and analyze the improvement parameter in sand section;
Wherein, described improvement parameter comprises sand dune trend, sand dune size, sand dune length, sand dune and route corner dimension, the speed of burying of drift-sand, the frequency of wind.
Step 202, according to described improvement parameter, the slope formula sand prevention of overlap joint bag is carried out to described sand section and administers.
Wherein, step 202 specifically can comprise:
Step 202-1, Bao Po is carried out to sand dune, to make high sand-protecting barrier continuous, stop that drift-sand enters;
Step 202-2, increase at least one high sand-protecting barrier, to form the husky buffer area of resistance;
Wherein, the spacing L=Hcos θ between described high sand-protecting barrier, wherein, the direction of sand-protecting barrier should be vertical with main harmful wind direction, and L is spacing between high sand-protecting barrier, and H is the height of high sand-protecting barrier, the Shamian Island gradient between θ height sand-protecting barrier.Also can improve original high sand-protecting barrier timber 4cm × 4cm × 150cm in this step, change 5cm × 5cm × 170cm into, original for timber depth of burying is adjusted to 70 ~ 80cm from 50cm.During reparation, the consumption of grass can be controlled in 800g/m2
Step 202-3, outside sand dune, arrange checked sand hinder straws;
Wherein, first checked sand hinder straws can make ground coarse, reduces wind-force; Secondly all right traps moisture, as rainwater, improves water consumption of sand bed, is conducive to the survival of sand-fixation plant.Further, the inner Shamian Island of the grid of checked sand hinder straws can the dished stable Shamian Island of shape under distinguished and admirable effect, the dust storm on it is passed through smoothly, and can not pile up.Described checked sand hinder straws is made up of following one or more: stalk, salix monogolica branch, wheat straw, straw and reed.
One end of described stalk, salix monogolica branch, wheat straw, straw and/or reed is imbedded in sandy soil, and the other end exposes 20cm-50cm.During construction, first can pull square control network line on sandy soil, checked sand hinder straws be made vertical with local prevailing wind direction.Again material such as pruning evenly neat wheat straw or straw etc. is disposed across on graticule line, is placed in the instrument of plate spade and so on and litters in the middle of material, firmly insert down, to insert in sand bed about 15 centimetres, the two ends of grass are tilted, stands upright on Shamian Island, the height basseted about 20 centimetres-50 centimetres.Bury the foundation portion of checked sand hinder straws again with shovel sand, make it firm.
The size of described checked sand hinder straws can along husky and under increase to 150cm × 150cm gradually from 100cm × 100cm.
Step 202-4, the outside of described checked sand hinder straws arrange resistance husky fence.
Wherein, can reduce the wind speed on earth's surface after the husky fence of resistance by hindering husky fence, that is, hindering husky fence can stop wind, reduces wind-force and reduces wind speed.Also protective effect is served to the checked sand hinder straws be positioned at after the husky fence of resistance.Hinder and husky fence adopts one 10# iron wire carry out entirety to fix, column overhead 15cm place employing one 12# iron wire carries out husky beam root and fixes.
The invention provides a kind of overlap joint bag slope formula to check winds and fix drifting sand method, by measuring and analyzing the improvement parameter in sand section, described improvement parameter comprises sand dune trend, sand dune size, sand dune length, sand dune and route corner dimension, the speed of burying of drift-sand, the frequency of wind, according to described improvement parameter, the slope formula sand prevention of overlap joint bag is carried out to described sand section and administers.The present invention changes Conventional parallel formula sand prevention theory, takes the slope formula sand prevention of overlap joint bag, accomplishes the dustproof effect that people enters sand and moves back, improve the service life that physics adds mechanical type sand control.
The present invention is by the use of overlap joint Bao Po, make use of the sand dune of original high sand-protecting barrier and formation, aerodynamic principle, sand dune after the high sand-protecting barrier making it be formed and Bao Po, dust storm, in this process, passes through first height sand-protecting barrier, and the sand dune after Bao Po forms convolution wind, should not drift-sand be brought into narrowbract Indian kalimeris herb grid, extend the application life of reed sand prevention.And by scientific and reasonable selection sand-protecting barrier position, improving the utilization rate of sand-protecting barrier, the rate of burying of sand-protecting barrier reduces by 70%, and the rate of burying of straw checkerboard barrier reduces by 90%, and the speed that drift-sand advances every year, less than 2m, improves the effect that physics adds mechanical type sand control.Postpone the attached work such as road surface sand, clear sand, reduce desert highway maintenance cost.
Above to invention has been detailed introduction, applying specific case herein and setting forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (6)
1. overlap joint bag slope formula is checked winds and fixed drifting sand a method, it is characterized in that, comprising:
Measure and analyze the improvement parameter in sand section, described improvement parameter comprises sand dune trend, sand dune size, sand dune length, sand dune and route corner dimension, the speed of burying of drift-sand, the frequency of wind;
According to described improvement parameter, the slope formula sand prevention of overlap joint bag is carried out to described sand section and administers.
2. overlap joint according to claim 1 bag slope formula is checked winds and fixed drifting sand method, it is characterized in that, describedly carries out the formula sand prevention improvement of overlap joint bag slope to described sand section, comprising:
Bao Po is carried out to sand dune, to make high sand-protecting barrier continuous, stops that drift-sand enters;
Increase by least one high sand-protecting barrier, to form the husky buffer area of resistance;
Checked sand hinder straws is arranged outside sand dune;
The husky fence of resistance is arranged in the outside of described checked sand hinder straws.
3. overlap joint according to claim 2 bag slope formula is checked winds and fixed drifting sand method, and it is characterized in that, described checked sand hinder straws is made up of following one or more: stalk, salix monogolica branch, wheat straw, straw and reed.
4. overlap joint according to claim 2 bag slope formula is checked winds and fixed drifting sand method, and it is characterized in that, the husky fence of resistance is arranged in the described outside at described checked sand hinder straws, comprising:
Hinder and husky fence adopts one 10# iron wire carry out entirety to fix, column overhead 15cm place employing one 12# iron wire carries out husky beam root and fixes.
5. overlap joint according to claim 2 bag slope formula is checked winds and fixed drifting sand method, it is characterized in that, the size of described checked sand hinder straws can along husky and under increase to 150cm × 150cm gradually from 100cm × 100cm.
6. overlap joint according to claim 2 bag slope formula is checked winds and fixed drifting sand method, it is characterized in that, the spacing L=Hcos θ between described high sand-protecting barrier, wherein, the direction of sand-protecting barrier should be vertical with main harmful wind direction, and L is spacing between high sand-protecting barrier, H is the height of high sand-protecting barrier, the Shamian Island gradient between θ height sand-protecting barrier.
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| CN201510375540.2A CN105019423A (en) | 2015-06-30 | 2015-06-30 | Lap-joint slope wrapping wind prevention and sand fixation method |
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| CN201510375540.2A CN105019423A (en) | 2015-06-30 | 2015-06-30 | Lap-joint slope wrapping wind prevention and sand fixation method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107211695A (en) * | 2017-06-21 | 2017-09-29 | 北京林业大学 | A kind of sandy land vegetation recovery method based on flow field analysis |
| CN108316171A (en) * | 2018-02-06 | 2018-07-24 | 中国科学院寒区旱区环境与工程研究所 | Suitable for passing through the highway dust storm protection system and its construction method of shrub sand dune |
| CN112205258A (en) * | 2020-09-24 | 2021-01-12 | 广西壮族自治区农业科学院 | Technical method related to soil improvement in rocky desertification area |
| CN112364301A (en) * | 2020-11-10 | 2021-02-12 | 中国气象局上海台风研究所(上海市气象科学研究所) | Slope length-based near-ground wind speed statistics downscaling correction method |
| CN112381402A (en) * | 2020-11-13 | 2021-02-19 | 中国科学院自动化研究所 | Parallel intelligent wind-blown sand protection governing decision support method and system |
| CN115270357A (en) * | 2022-09-08 | 2022-11-01 | 中国铁道科学研究院集团有限公司 | High-vertical sand barrier spiral pile structure and design analysis method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107211695A (en) * | 2017-06-21 | 2017-09-29 | 北京林业大学 | A kind of sandy land vegetation recovery method based on flow field analysis |
| CN108316171A (en) * | 2018-02-06 | 2018-07-24 | 中国科学院寒区旱区环境与工程研究所 | Suitable for passing through the highway dust storm protection system and its construction method of shrub sand dune |
| CN108316171B (en) * | 2018-02-06 | 2023-10-10 | 中国科学院西北生态环境资源研究院 | Highway sand-blast protection system suitable for crossing shrub sand bags and construction method thereof |
| CN112205258A (en) * | 2020-09-24 | 2021-01-12 | 广西壮族自治区农业科学院 | Technical method related to soil improvement in rocky desertification area |
| CN112364301A (en) * | 2020-11-10 | 2021-02-12 | 中国气象局上海台风研究所(上海市气象科学研究所) | Slope length-based near-ground wind speed statistics downscaling correction method |
| CN112364301B (en) * | 2020-11-10 | 2023-06-27 | 中国气象局上海台风研究所(上海市气象科学研究所) | Slope length-based near-ground wind speed statistics downscaling method |
| CN112381402A (en) * | 2020-11-13 | 2021-02-19 | 中国科学院自动化研究所 | Parallel intelligent wind-blown sand protection governing decision support method and system |
| CN112381402B (en) * | 2020-11-13 | 2023-06-27 | 中国科学院自动化研究所 | Parallel intelligent sand-blown protection and treatment decision support method and system |
| CN115270357A (en) * | 2022-09-08 | 2022-11-01 | 中国铁道科学研究院集团有限公司 | High-vertical sand barrier spiral pile structure and design analysis method thereof |
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Application publication date: 20151104 |