CN103556617A - Hanging-bag-shaped high vertical type sand blocking net and construction method thereof - Google Patents
Hanging-bag-shaped high vertical type sand blocking net and construction method thereof Download PDFInfo
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- CN103556617A CN103556617A CN201310524933.6A CN201310524933A CN103556617A CN 103556617 A CN103556617 A CN 103556617A CN 201310524933 A CN201310524933 A CN 201310524933A CN 103556617 A CN103556617 A CN 103556617A
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- sediment trapping
- trapping net
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- sand blocking
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Abstract
The invention aims at providing a hanging-bag-shaped high vertical type sand blocking net and a construction method thereof and belongs to the technical field of desertification control engineering. According to the construction method of the hanging-bag-shaped high vertical type sand blocking net, a furrow is dug in desert; a sand blocking net with the width between 100 and 350 cm is selected and paved along the furrow; a central line of the sand blocking net is corresponding to the bottom of the furrow; wooden sticks which vertically penetrate the sand blocking net are inserted into sand at the bottom of the furrow to form into supports for the hanging-bag-shaped high vertical type sand blocking net; the supports are constructed in the furrow paved with the sand blocking net with an interval of 1 to 2 m; tops of the supports are tightly connected through an iron wire; the furrow is full of nearby sand; sand blocking portions on bilateral sides of the furrow are lifted up; top edges of the sand blocking net which are inclined to the support tops are fixedly connected with the support tops; top edge portions on bilateral sides of the sand blocking net and the iron wire are fixed with an interval of 30 to 50 cm; accordingly the hanging-bag-shaped high vertical type sand blocking net is formed and a good sand blocking effect compared with a traditional high vertical sand blocking net is achieved.
Description
Technical field
The present invention relates to sand control engineering technical field, be specially outstanding bag shape high vertical sediment trapping net and job practices thereof.
Background technology
At present, in desert treatment, be widely used plastic wire construction high vertical sediment trapping net, implement the interception in flow desert and fix, but above-mentioned high vertical sediment trapping net due to vertical wire side when the invasion and attack that suffer strong wind not only wire side easily blown brokenly, the wind being stopped changes over upper and lower vertical direction from horizontal direction, the sand of wind meeting erosion sediment trapping sieve bottom vertically downward, make sediment trapping sieve bottom unsettled, construction is just very unstable at the top at moving dunes and check dam, therefore invent a kind of outstanding bag shape high vertical sediment trapping net and job practices fixes moving dunes and check dam has been the needs of control of desert.
Applicant has delivered the fixing of < < moving dunes and has utilized > > in 2009, in article, illustrated the principle on splayed net cage sand barrier fixed flow sand dune, illustrated at moving dunes top simultaneously and arranged after splayed net cage sand barrier, due to the husky characteristic toward eminence stream, tall and big moving dunes have just become tall and big mechanical sand barrier, therefore the mechanical sand barrier on textbook are hindered to husky effect formula V=4.5H
2sin a (formula I), is modified as V=4.5H
2+ [H1+H2]
2sin a (formula 2); In (formula 1), V is the husky amount of resistance, the height that H is mechanical sand barrier, and a is the angle of cut.In (formula 2), V is the husky amount of resistance, and the height .H1 that H is mechanical sand barrier is the height of moving dunes windward slope, and H2 is the height of moving dunes leeward slope, and a is the angle of cut.The top of exposing moving dunes due to splayed net cage sand barrier is less than 15cm, if apply mechanically the formula on textbook, be placed in the splayed net cage sand barrier at moving dunes top, it is very little hindering husky effect, but in fact expose the splayed net cage sand barrier that top of sand dune is less than 15cm, owing to there being the moving dunes under cylinder mould sand barrier to make liner, it hinders husky effect far away higher than being arranged on high vertical sediment trapping net on smooth desert, that be highly greater than 150cm.Therefore (formula 1) is inapplicable in the husky effect of resistance of the splayed net cage sand barrier at moving dunes top to constructing, and must just can describe the problem with (formula 2).At moving dunes top, arrange after splayed net cage sand barrier, by splayed net cage sand barrier, tackled the drift sand getting off and be deposited in top of sand dune, by promoting splayed net cage sand barrier, make the lifting that makes progress of moving dunes top, moving dunes just no longer move forward, harmful moving dunes just become useful mechanical sand barrier, and so the mechanical sand barrier of height, is cannot accomplish with the high vertical sediment trapping net that any method builds.Thereby the function that has shown the efficient intercepting of moving dunes desert.But the mechanical sand barrier being so efficiently easy to get on desert, is not also familiar with by people at present, fails so far to find correlation theory and experimental data in textbook.What on textbook, introduce is high vertical sediment trapping net to be arranged on to the waist of moving dunes, reaches the object of scabbling moving dunes, and people still process moving dunes as disaster so far.So applicant is managing by engineering practice, prove that moving dunes are to be transformed into tall and big mechanical sand barrier.
Outstanding bag shape high vertical sediment trapping net and job practices thereof are applicants from the fixing moving dunes and construct exploration job practices out the engineering practice of check dam of construction splayed net cage sand barrier, the construction of outstanding bag shape high vertical sediment trapping net is at moving dunes top and check dam top, more stable than splayed net cage sand barrier, highly can surpass splayed net cage sand barrier, therefore sediment trapping, sand-fixing effect are better than splayed net cage sand barrier, because the bottom of outstanding bag shape high vertical sediment trapping net is to have filled the husky bag end, weather-proof effective, can from the base erosion of net, do not blown down by strong wind.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition is the defect that overcomes prior art, the constructing structure of existing high vertical sediment trapping net, from single width, hang as curtain, change over the outstanding bag shape high vertical sediment trapping net that the mesh bag shape that Desert Sand hangs up was housed like the bag end, make sediment trapping netting gear have front wire side and rear wire side, can drift sand interception in desert hanged between bag two wire sides of shape high vertical sediment trapping net and the both sides, front and back of sediment trapping net.
Sediment trapping net of the present invention be wide cut between 120cm to 350cm, the plastic wire of degree of porosity between 45% to 55%.
The outstanding bag of the present invention shape high vertical sediment trapping net, it is characterized in that: the cross sectional shape of outstanding bag shape high vertical sediment trapping net is the sediment trapping net that the outstanding bag shape that Desert Sand hangs up is housed at the bottom of mesh bag bag, the center of the position of sediment trapping net support in outstanding bag shape sediment trapping net, the bottom of sediment trapping net support is fixed in desert through hanging bag bottom vertical of shape sediment trapping net, interval 1M to 2M is equipped with a support, and connection is tightened by an iron wire in the top between support one by one; Prop up a top margin for top of the trellis and outstanding bag shape sediment trapping net and fix, the top margin interval 30cm to 50cm of sediment trapping net and iron wire connect to be fixed; The height of outstanding bag shape high vertical sediment trapping net is freely selected between 25cm to 150cm.
The job practices of outstanding bag shape high vertical sediment trapping net, is characterized in that: on desert, dig Yi Tiaogou, the width of ditch is between 30cm to 70cm, and the degree of depth is between 15cm to 50cm; According to the width of ditch and the degree of depth, select wide cut at the sediment trapping net between 100cm to 350cm, sediment trapping net is spread out and put on along ditch, the center line of sediment trapping net is corresponding with bottom of trench, get the batten of length between 70cm to 230cm sediment trapping net is pressed into bottom of trench, batten inserts in the sand of bottom of trench after vertically piercing through sediment trapping net, the batten degree of depth in insertion sand, between 30cm to 70cm, is fixed on batten in ditch, becomes a support for outstanding bag shape high vertical sediment trapping net; A support of interval 1M to 2M construction in the ditch of having spread out and put on sediment trapping net, between support, connection is tightened by an iron wire in top one by one, to strengthen the stability of support left and right directions; Desert Sand near getting is pressed in sediment trapping and on the net ditch is filled up, the top margin tendency of then the sediment trapping net of ditch both sides upwards being propped up, tighten, being netted is propped up top of the trellis also and a top of the trellis connects fixing, interval 30cm to 50cm is fixing the top margin of both sides sediment trapping net and iron wire connection again, forms an outstanding bag shape high vertical sediment trapping net.
Outstanding bag shape high vertical sediment trapping net has changed the structure of traditional high vertical sediment trapping net, make sediment trapping netting gear have the wire side of two inclinations, desert drift sand can be tackled to the middle both sides, front and back with netting of two wire sides that are fixed on outstanding bag shape high vertical sediment trapping net, due to the bottom of sediment trapping net be filled husky mesh bag at the bottom of, strong wind can not produce erosion to the base of sediment trapping net, be applicable to very much construction at the top of moving dunes and check dam, do not increasing under the prerequisite of cost, reaching and improve fixedly moving dunes and the object of constructing the engineering effort of check dam.
The outstanding bag shape high vertical sediment trapping net fixedly job practices of moving dunes is: the dune ridge line of moving dunes from leeward slope one side, to windward slope direction, pass 1m to 10m, the angle that heap is erected high 20cm to 50cm, windward slope is less than the husky ridge that 32 ° of angles, top horizontals are made into wide 50cm to 200cm platform, on the platform of the husky ridge, dig Yi Tiaogou, by the job practices of foregoing outstanding bag shape high vertical sediment trapping net, the outstanding bag of construction shape high vertical sediment trapping net on the platform of the husky ridge.
The job practices that outstanding bag shape high vertical sediment trapping net is constructed check dam is: the direction vertical with prevailing wind direction on desert, with loader heap, erect one height at the sand bar between 90cm to 250cm, the windward slope gradient of sand bar is less than 32 ° of angles, the top horizontal of sand bar is made into the platform of width between 80cm to 200cm, on platform, dig Yi Tiaogou, by the job practices of foregoing outstanding bag shape high vertical sediment trapping net, the outstanding bag of construction shape high vertical sediment trapping net on check dam platform.
Accompanying drawing explanation
Fig. 1 is that the outstanding bag of the present invention shape high vertical sediment trapping host looks schematic cross-section;
Fig. 2 is that schematic cross-section is looked on the outstanding bag of a present invention shape high vertical sediment trapping net left side
In accompanying drawing: 1, an outstanding bag shape high vertical sediment trapping net, 2, support, 3, iron wire, 4, Desert Sand.
The specific embodiment
Now in conjunction with Figure of description, the invention will be further described: sediment trapping net of the present invention be wide cut between 15cm to 50cm, the plastic wire of degree of porosity between 45% to 55%.
As shown in Figure 1 and Figure 2, the job practices of outstanding bag shape high vertical sediment trapping net is: on desert, dig Yi Tiaogou, the width of ditch is between 30cm to 70cm, and the degree of depth is between 15cm to 50cm; According to the width of ditch and the degree of depth, select wide cut at the sediment trapping net between 100cm to 350cm, sediment trapping net is spread out and put on along ditch, the center line of sediment trapping net is corresponding with bottom of trench, get the batten of length between 70cm to 230cm sediment trapping net is pressed into bottom of trench, batten inserts in the sand of bottom of trench after vertically piercing through sediment trapping net, the batten degree of depth in insertion sand, between 30cm to 70cm, is fixed on batten in ditch, becomes a support 2 for outstanding bag shape high vertical sediment trapping net; A support of interval 1M to 2M construction in the ditch of having spread out and put on sediment trapping net, between support, connection is tightened by an iron wire 3 in top one by one, to strengthen the stability of support left and right directions; Desert Sand 4 near getting is pressed in sediment trapping and on the net ditch is filled up, the top margin tendency of then the sediment trapping net of ditch both sides upwards being propped up, tighten, being netted is propped up top of the trellis also and a top of the trellis connects fixing, interval 30cm to 50cm is fixing the top margin of both sides sediment trapping net and iron wire connection again, forms an outstanding bag shape high vertical sediment trapping net 1.
The available mechanization of sediment trapping net of the present invention is produced in enormous quantities, and the available mechanization of outstanding bag shape high vertical sediment trapping net is construction on a large scale on desert.
Claims (2)
1. one kind hangs bag shape high vertical sediment trapping net, it is characterized in that: the cross sectional shape of outstanding bag shape high vertical sediment trapping net is the sediment trapping net that the outstanding bag shape that Desert Sand hangs up is housed at the bottom of mesh bag bag, the center of the position of sediment trapping net support in outstanding bag shape sediment trapping net, the bottom of sediment trapping net support is fixed in desert through hanging bag bottom vertical of shape sediment trapping net, interval 1M to 2M is equipped with a support, and connection is tightened by an iron wire in the top between support one by one; Prop up a top margin for top of the trellis and outstanding bag shape sediment trapping net and fix, the top margin interval 30cm to 50cm of sediment trapping net and iron wire connect to be fixed; The height of outstanding bag shape high vertical sediment trapping net is freely selected between 25cm to 150cm.
2. the job practices of outstanding bag shape high vertical sediment trapping net, is characterized in that: on desert, dig Yi Tiaogou, the width of ditch is between 30cm to 70cm, and the degree of depth is between 15cm to 50cm; According to the width of ditch and the degree of depth, select wide cut at the sediment trapping net between 100cm to 350cm, sediment trapping net is spread out and put on along ditch, the center line of sediment trapping net is corresponding with bottom of trench, get the batten of length between 70cm to 230cm sediment trapping net is pressed into bottom of trench, batten inserts in the sand of bottom of trench after vertically piercing through sediment trapping net, batten is fixed in ditch, becomes the support of outstanding bag shape high vertical sediment trapping net; A support of interval 1M to 2M construction in the ditch of having spread out and put on sediment trapping net, one by one between support, connection is tightened by an iron wire in top, Desert Sand near getting is pressed in sediment trapping and on the net ditch is filled up, the top margin tendency of then the sediment trapping net of ditch both sides upwards being propped up, tighten, being netted is propped up top of the trellis also and a top of the trellis connects fixing, interval 30cm to 50cm is fixing the top margin of both sides sediment trapping net and iron wire connection again, forms an outstanding bag shape high vertical sediment trapping net.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510413935.7A CN105133564A (en) | 2013-10-20 | 2013-10-20 | Construction method for building sediment storage dam through hung-bag-shaped high vertical type sediment retaining net |
| CN201510413934.2A CN105113477A (en) | 2013-10-20 | 2013-10-20 | Construction method using suspension-bag-shaped high vertical sand retaining net to fix wandering dune |
| CN201410038866.1A CN103835279B (en) | 2013-10-20 | 2013-10-20 | Outstanding pouch-shaped high vertical sediment trapping net fixes the construction method of moving dunes |
| CN201310524933.6A CN103556617B (en) | 2013-10-20 | 2013-10-20 | Outstanding bag shape high vertical sediment trapping net and construction method thereof |
| CN201410038911.3A CN103774635B (en) | 2013-10-20 | 2013-10-20 | The construction method of outstanding pouch-shaped high vertical sediment trapping net check dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310524933.6A CN103556617B (en) | 2013-10-20 | 2013-10-20 | Outstanding bag shape high vertical sediment trapping net and construction method thereof |
Related Child Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410043108.9A Division CN103821130A (en) | 2013-10-20 | 2013-10-20 | Suspended bag-shaped high vertical sand stopping net |
| CN201510413935.7A Division CN105133564A (en) | 2013-10-20 | 2013-10-20 | Construction method for building sediment storage dam through hung-bag-shaped high vertical type sediment retaining net |
| CN201410038866.1A Division CN103835279B (en) | 2013-10-20 | 2013-10-20 | Outstanding pouch-shaped high vertical sediment trapping net fixes the construction method of moving dunes |
| CN201510413934.2A Division CN105113477A (en) | 2013-10-20 | 2013-10-20 | Construction method using suspension-bag-shaped high vertical sand retaining net to fix wandering dune |
| CN201410043089.XA Division CN103821129A (en) | 2013-10-20 | 2013-10-20 | Construction method of suspended bag-shaped high vertical sand stopping net |
| CN201410038911.3A Division CN103774635B (en) | 2013-10-20 | 2013-10-20 | The construction method of outstanding pouch-shaped high vertical sediment trapping net check dam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103556617A true CN103556617A (en) | 2014-02-05 |
| CN103556617B CN103556617B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510413934.2A Pending CN105113477A (en) | 2013-10-20 | 2013-10-20 | Construction method using suspension-bag-shaped high vertical sand retaining net to fix wandering dune |
| CN201510413935.7A Pending CN105133564A (en) | 2013-10-20 | 2013-10-20 | Construction method for building sediment storage dam through hung-bag-shaped high vertical type sediment retaining net |
| CN201310524933.6A Active CN103556617B (en) | 2013-10-20 | 2013-10-20 | Outstanding bag shape high vertical sediment trapping net and construction method thereof |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510413934.2A Pending CN105113477A (en) | 2013-10-20 | 2013-10-20 | Construction method using suspension-bag-shaped high vertical sand retaining net to fix wandering dune |
| CN201510413935.7A Pending CN105133564A (en) | 2013-10-20 | 2013-10-20 | Construction method for building sediment storage dam through hung-bag-shaped high vertical type sediment retaining net |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060600A (en) * | 2014-06-16 | 2014-09-24 | 娄志平 | Overlapped-splicing type sand-blocking net and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008291636A (en) * | 2007-04-27 | 2008-12-04 | Toray Ind Inc | Sand movement preventive construction method, vegetation forming-improving method in sandy place using its construction method and cylindrical fabric for columnar sandbag |
| CN102031773A (en) * | 2009-11-24 | 2011-04-27 | 娄志平 | Shirt rim type cylinder mould sand barrier and sand blocking and fixing construction method thereof |
| CN102373676A (en) * | 2009-05-12 | 2012-03-14 | 娄志平 | High vertical reverse Y-shaped net cage sand barrier and construction method thereof |
| CN203129121U (en) * | 2013-03-29 | 2013-08-14 | 中国科学院寒区旱区环境与工程研究所 | Windproof sand resistance sand barrier |
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2013
- 2013-10-20 CN CN201510413934.2A patent/CN105113477A/en active Pending
- 2013-10-20 CN CN201510413935.7A patent/CN105133564A/en active Pending
- 2013-10-20 CN CN201310524933.6A patent/CN103556617B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008291636A (en) * | 2007-04-27 | 2008-12-04 | Toray Ind Inc | Sand movement preventive construction method, vegetation forming-improving method in sandy place using its construction method and cylindrical fabric for columnar sandbag |
| CN102373676A (en) * | 2009-05-12 | 2012-03-14 | 娄志平 | High vertical reverse Y-shaped net cage sand barrier and construction method thereof |
| CN102031773A (en) * | 2009-11-24 | 2011-04-27 | 娄志平 | Shirt rim type cylinder mould sand barrier and sand blocking and fixing construction method thereof |
| CN203129121U (en) * | 2013-03-29 | 2013-08-14 | 中国科学院寒区旱区环境与工程研究所 | Windproof sand resistance sand barrier |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060600A (en) * | 2014-06-16 | 2014-09-24 | 娄志平 | Overlapped-splicing type sand-blocking net and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105113477A (en) | 2015-12-02 |
| CN103556617B (en) | 2016-01-20 |
| CN105133564A (en) | 2015-12-09 |
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