CN102911672A - Clay sand stabilizing barrier for shunting wind-blown sand - Google Patents
Clay sand stabilizing barrier for shunting wind-blown sand Download PDFInfo
- Publication number
- CN102911672A CN102911672A CN2012104267277A CN201210426727A CN102911672A CN 102911672 A CN102911672 A CN 102911672A CN 2012104267277 A CN2012104267277 A CN 2012104267277A CN 201210426727 A CN201210426727 A CN 201210426727A CN 102911672 A CN102911672 A CN 102911672A
- Authority
- CN
- China
- Prior art keywords
- sand
- clay
- barrier
- shunting
- wind
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
Abstract
The invention provides a clay sand stabilizing barrier for shunting wind-blown sand. The clay sand stabilizing barrier is prepared by mixing a clay-based composite sand stabilizing material with water to obtain pug, pressing the pug by a mould to prepare circular clay lattice barrier, and naturally drying the circular clay lattice barrier. The clay-based composite sand stabilizing material is mixed from, by weight, 8.0-9.8 part of clay, 0.05-0.5 part of antiaging agent, 0.05-0.5 part of lewis acid, and 0.1-1.0 part of soluble organic polymer material. Wind erosion amount, wind erosion rate and sand collection amount of the clay sand stabilizing barrier can be tested via wind tunnel experiment, and the clay sand stabilizing barrier is high in wind erosion resisting strength, strong in weather fastness and good in sand shunting and stabilizing effect. Meanwhile, the clay is capable of providing necessary nutritional ingredients to shrubs, mosses, lichens and the like in sand dunes, reducing moisture evaporation of sand beds, and providing moisture to the shrubs, the mosses, the lichens and the like in the sand dunes. In addition, the clay sand stabilizing barrier for shunting wind-blown sand has the advantages of simplicity in sand stabilizing, low cost, environment-friendliness and applicability to popularization in large desert areas, and materials for the clay sand stabilizing barrier are easy to obtain.
Description
Technical field
The invention belongs to the technical field of defending and controlling sand, relate to a kind of clay of shunting dust storm and fix the sand to hinder.
Background technology
China is one of very serious country of Desertification phenomenon, Desertification has caused extremely China's economic growth and social progress and has seriously influenced, one of important factor that causes Desertification is exactly flowing of sand dune, occupied a large amount of good farmlands, therefore husky body is fixed, and prevents that long-pending expansion of existing husky die face from being a urgent task.
From the 1950's, China's researcher has been found out more than 100 kind of desert treatment technology and has been prevented and treated pattern.The method that adopts mainly contains that engineering is fixed the sand, vegetative sand control and chemical sand-fixing, several classes such as comprehensively fixes the sand.Engineering fixes the sand to refer to that mechanical sand barrier fixes the sand, the main materials such as bavin, grass, branch, clay, cobble, lath that adopt, at Shamian Island various forms of obstacles are set, control direction, speed, structure, the change erosion cumuliformis condition of Sand Movement with this, reach wind prevention and sand resistance, change the purposes such as wind action power and landforms situation.Its labour intensity is large, construction speed is its main drawback slowly.Controlling sediment by plant is according to the different adaptive functions of plant to drift sand, and research is in the drift sand recovery and set up vegetation, to reach the purpose of defending and controlling sand.Use the plant in treating drift sand, basic problem is how to make plant survive and preserve at drift sand.Wind erosion, the sand that the reactivity of arid, barren, severe cold, the beastly evil of extremely hot, sick worm and drift sand itself causes buries, sand cuts etc. is faced with severe tests controlling sediment by plant.The chemical sand-fixing technology receives publicity day by day because it is efficient, cheap, quick, convenient.Chemical sand-fixing is to utilize the chemical substance with certain cementing properties diluted to be sprayed on loose drift sand sandy land surface; moisture penetrates into rapidly below the sand bed; those chemical bond materials then are stranded in certain thickness (in 1～5mm) the sand bed gap; with the cementing one-tenth one deck of the sand of simple grain protective shell; separate air-flow with this and contact with the direct of loose Shamian Island, thereby play the effect of eroding of preventing.Traditional chemical sand fixing material has grout class, petroleum products class and high molecular polymer super absorbent resin lipid.New Chemical Material in Sand Fixation and technology thereof are when considering sand-fixing effect, more pay attention to the ecotope Harmony in material preparation and the use procedure, make that it has that use properties is good, natural resources and energy resources consumption less, with the advantages such as Environmental compatibility is good, be the main development direction of from now on preventing and fixing sand material.Comprehensively fixing the sand is that a lot of effective means are combined, the strong point of performance prior art and material.
Chinese patent ZL00109093.3 discloses the powder sand-fixation agent of a kind of polyacrylamide water-holding agent and wilkinite composition, but because preparation material skinning intensity is lower, is difficult to reach the stable requirement of fixing the sand.Chinese patent CN201120254780.4 discloses a kind of engineering sand-protecting barrier that fixes the sand pipe that utilizes that inner filling degradable waterproof paper pipe makes, but this sand-protecting barrier weathering resistance is not strong, very easily degraded, and the time that keeps in the desert is not long, is difficult to realize that long-term stability fixes the sand.Chinese patent CN101665698A discloses a kind of attapulgite clay base composite liquid sand fixation material, and its ultimate compression strength is low, and weathering resistance is relatively poor, is not suitable for practical application and promotes.Chinese patent CN1766237A discloses and has used sodium silicate aqueous solution as the sand-fixation method of sand-fixation agent, water glass is because self gelation rate is slow, cohesiveness is undesirable, acid resistance is poor, the defectives such as destruction to soil pH, husky formation of lots weak effect appears in meeting, mechanical property is low, the problems such as water-fast weak effect.Therefore need adding solidifying agent and water glass to react and promote crosslinked, condensation, improve the various performances of sand fixation material.Chinese patent CN201010186154.6 discloses the application of a kind of sand-fixation agent take polyvinyl alcohol as main raw material in sandy sand-protecting barrier, and the used polyvinyl alcohol content of this sand-fixation agent is excessive, and cost is too high, and complex process is not suitable for spread.
Summary of the invention
The objective of the invention is in order to overcome problems of the prior art, provide a kind of weather-proof rate intensity high, the clay of the shunting dust storm of good weatherability fixes the sand to hinder.
A kind of clay of shunting dust storm of the present invention fixes the sand to hinder, and is that the clay-based compound sand consolidating material water is reconciled into pug, is pressed into ring-type clay lattice barrier with the film tool, and seasoning both gets;
Described clay-based compound sand consolidating material is that the raw material by following weight part mixes;
Clay: 8.0 ~ 9.8 parts, antiaging agent: 0.05 ~ 0.5 part, Lewis acid: 0.05 ~ 0.5 part, soluble organic macromolecule material: 0.1 ~ 1.0 part.
External diameter 1.0 ~ the 1.5m of described toroidal clay lattice barrier, thick 0.1 ~ 0.2m, high 15 ~ 20cm.
Described clay is loess, laterite, kaolin, polynite, polygorskite, at least a in the hectorite.
Described antiaging agent is at least a in titanium dioxide, zinc oxide, sodium sulfate, the trehalose.Antiaging agent reduces the macromolecular material premature aging and lost efficacy can absorbing ultraviolet.
Described Lewis acid is at least a in aluminum chloride, polymerize aluminum chloride, boron chloride, silicon chlorides, the iron(ic) chloride.Lewis acid can form better physics and chemistry between sand and macromolecular material crosslinked.
Described soluble organic macromolecule material is xanthan gum, polyacrylic acid and derivative thereof, polyacrylamide, modified-cellulose, treated starch, straw or modified straw.The soluble organic macromolecule material can make sand and clay interaction, forms to pass mutually network structure, strengthens the intensity of clay sand-protecting barrier.
Above-mentioned modified-cellulose mainly refers to cellulose ethers that natural cellulose obtains through chemical modification, cellulose graft copolymer etc., such as methylcellulose gum, ethyl cellulose, carboxymethyl cellulose, and carboxymethyl cellulose graft acrylic acid, acrylamide etc.Treated starch mainly refers to the graft copolymer of starch and vinylformic acid, acrylamide etc.Because the main component of stalk is Mierocrystalline cellulose, so the method for modifying of stalk is similar with cellulosic method of modifying.
Below by wind1 tunnel trial wind erosion quantity, wind erosion rate and sand collecting amount the preventing and fixing sand effect that the present invention shunts dust storm is described.
1, the test of wind1 tunnel trial wind erosion quantity and wind erosion rate
Make the clay lattice model after the clay lattice are dwindled in the 1:5 ratio, in wind-tunnel, under the wind speed of 7m/s, 10m/s, 20m/s, measure the wind erosion quantity of clay lattice, by calculating wind erosion rate.Wherein A is blank sample (being the model of being made by pure clay), and B, C and D make with the clay composite sand consolidation material described in the invention.Because action of gravity, the rubbing effect between the sand grains and the wind effect of sand, the gradient that dry sand is piled up in the desert can be greater than 35 °, the gradient is the normality that dry sand is piled up at 0 ° and 15 °, therefore, experiment take 0 °, 15 °, 30 ° as measurement point, this fixes the sand the rule of wind erosion quantity and wind erosion rate of sand-protecting barrier when these gradients to draw dust storm.Concrete experimental data sees Table 1 ~ 3.
Wind erosion quantity and the wind erosion rate of clay lattice under 0 ° of angle under the different wind speed of table 1
Wind erosion quantity and the wind erosion rate of clay lattice under 15 ° of angles under the different wind speed of table 2
Wind erosion quantity and the wind erosion rate of clay lattice under 30 ° of angles under the different wind speed of table 3
Show that from the result of table 1 ~ 3 when the dust storm direction became 0 ° of angle with sand-protecting barrier, the wind erosion quantity of B, C, D and wind erosion rate were starkly lower than wind erosion quantity and the wind erosion rate of A.Wherein under the wind speed of 20m/s, the wind erosion quantity of C and wind erosion rate are slightly larger than wind erosion quantity and the wind erosion rate of A, and this is that stream is different on its impact owing to the cohesive force of different polymers to clay and sand varies in size.When the dust storm direction became 15 ° of angles with sand-protecting barrier, the wind erosion quantity of A and wind erosion rate were far longer than wind erosion quantity and the wind erosion rate of B and D under the different wind speed; Because change has occured in the direction of wind, dust storm has the trend of turnup in the very zonule that contacts with sand-protecting barrier, wind erosion quantity and wind erosion rate when causing wind erosion quantity and wind erosion rate greater than 0 ° of angle, but the clay sand-protecting barrier has played catch blowing sand, change wind direction, the effect that slows down Sand Movement.When the dust storm direction became 30 ° of angles with sand-protecting barrier, the wind erosion quantity of B and D and wind erosion rate were much smaller than wind erosion quantity and the wind erosion rate of A.
2. the dust storm of clay lattice shunting experiment
Make the clay lattice model of high 4.5cm after the clay lattice are dwindled in the 1:5 ratio, in wind-tunnel with the shunting barrier effect of different anemometry clay lattice to dust storm.Demarcate with the sand collecting amount in the sand-taped instrument under the different wind speed behind the clay lattice.The every 2cm vertical height of sand-taped instrument is a sand inlet, and the size of sand inlet is 2cm * 2cm, and sand-taped instrument is apart from clay lattice model 40cm.
Fig. 1 is the grid-like sand collecting amount that fixes the sand to hinder under the different wind speed behind the wind sand blocking of hexagonal of the present invention, and sand-taped instrument has obvious reduction at 6cm eminence sand collecting amount, dust storm is described after stopping through sand-protecting barrier, and wind-force slows down, and the dust storm amount reduces.Fig. 2 is the circular sand collecting amount that fixes the sand to hinder under the different wind speed behind the wind sand blocking of the present invention.Can find out that from Fig. 1,2 data sand-taped instrument has obvious reduction at 6cm eminence sand collecting amount, dust storm is described after stopping through sand-protecting barrier, wind-force slows down, and the dust storm amount reduces.And at 12cm, 16cm eminence sand collecting amount considerable change is arranged also, can illustrate that dust storm is behind the annulus sand-protecting barrier, not only stopped dust storm, and changed the flow direction of dust storm, in certain area, form the effect that dust storm is cancelled out each other, sand can be stayed the original place, play the shunting dust storm, finally reach the purpose of fixing the sand.
The present invention is relative, and prior art has the following advantages:
1, sand fixation material of the present invention is take clay as main raw material, adds uvioresistant aging agent, Lewis acid and environmental friendliness polymer binder and makes, and the weather-proof rate of sand-protecting barrier is little, and weathering resistance is strong, and shunting, sand-fixing effect is good.
2, the major ingredient of sand fixation material of the present invention is clay, and clay can provide necessary nutritive ingredient to the shrub in the sand dune, liver moss, lichens etc.; The simultaneously application of clay can reduce the evaporation of sand bed moisture, for the shrub in the sand dune, liver moss, lichens etc. provide moisture.
3, this sand fixation material raw material is easy to get, and the process of fixing the sand is simple, and cost is low, and (calculate by making the sand-protecting barrier desired raw material, fixing the sand cost only is 0.2 ~ 0.6 yuan/m
2), and environmental protection, can not cause the secondary pollution of environment, be suitable at husky mould area spread.
Description of drawings
Fig. 1 is that the grid-like clay of hexagonal of the present invention fixes the sand to hinder the sand collecting amount under the different wind speed behind the wind sand blocking;
Fig. 2 is that the circular clay of the present invention fixes the sand to hinder the sand collecting amount under the different wind speed behind the wind sand blocking.
Embodiment
Below by specific embodiment the present invention being shunted raw material and the preparation technology that the clay of dust storm fixes the sand to hinder is elaborated.
Embodiment 1
Raw material: in weight part
Loess: 8.0 parts, titanium dioxide: 0.5 part, aluminum chloride: 0.5 part, modified-cellulose: 1.0 parts.
Technique: above-mentioned each raw material water is reconciled into pug, be pressed into external diameter 1.0m with the film tool, thick 0.1m, the circular clay lattice barrier of high 15cm, the naturally drying both got in the open.
Raw material: in weight part
Kaolin: 9.0 parts, zinc oxide: 0.1 part, silicon chlorides: 0.1 part, treated starch: 0.8 part.
Technique: above-mentioned each raw material water is reconciled into pug, be pressed into external diameter 1.2m with the film tool, thick 0.2m, the circular clay lattice barrier of high 18cm, the naturally drying both got in the open.
Raw material: in weight part
Polynite: 9.0 parts, sodium sulfate: 0.2 part, aluminum chloride: 0.2 part, xanthan gum: 0.6 part.
Technique: above-mentioned each raw material water is reconciled into pug, be pressed into external diameter 1.5m with the film tool, thick 0.1m, the circular clay lattice barrier of high 20cm, the naturally drying both got in the open.
Raw material: in weight part
Polygorskite: 9.5 parts, trehalose: 0.1 part, boron chloride: 0.2 part, polyacrylamide: 0.2 part.
Technique: above-mentioned each raw material water is reconciled into pug, be pressed into external diameter 1.5m with the film tool, thick 0.1m, the grade separation grid ring-type clay lattice barrier of high 20cm, the naturally drying both got in the open.
Raw material: in weight part
Hectorite: 9.8 parts, titanium dioxide: 0.05 part, iron(ic) chloride: 0.05 part, polyacrylic acid: 0.1 part.
Technique: above-mentioned each raw material water is reconciled into pug, be pressed into external diameter 1.0m with the film tool, thick 0.2m, the circular clay lattice barrier of high 15cm, the naturally drying both got in the open.
Claims (6)
1. a clay of shunting dust storm fixes the sand to hinder, and is that the clay-based compound sand consolidating material water is reconciled into pug, is pressed into ring-type clay lattice barrier with the film tool, and seasoning both gets;
Described clay-based compound sand consolidating material is that the raw material by following weight part mixes;
Clay: 8.0 ~ 9.8 parts, antiaging agent: 0.05 ~ 0.5 part, Lewis acid: 0.05 ~ 0.5 part, soluble organic macromolecule material: 0.1 ~ 1.0 part.
2. the clay of shunting as claimed in claim 1 dust storm fixes the sand barrier, and it is characterized in that: described clay is loess, laterite, kaolin, polynite, polygorskite, at least a in the hectorite.
3. the clay of shunting as claimed in claim 1 dust storm fixes the sand barrier, it is characterized in that: described antiaging agent is at least a in titanium dioxide, zinc oxide, sodium sulfate, the trehalose.
4. the clay of shunting as claimed in claim 1 dust storm fixes the sand barrier, it is characterized in that: described Lewis acid is at least a in aluminum chloride, polymerize aluminum chloride, boron chloride, silicon chlorides, the iron(ic) chloride.
5. the clay of shunting as claimed in claim 1 dust storm fixes the sand to hinder, and it is characterized in that: described organic polymer material is xanthan gum, polyacrylic acid and derivative thereof, polyacrylamide, modified-cellulose, treated starch, straw or modified straw.
6. the clay of shunting as claimed in claim 1 dust storm fixes the sand to hinder, and it is characterized in that: the external diameter 1.0 ~ 1.5m of described ring-type clay lattice sand-protecting barrier, thick 0.1 ~ 0.2m, high 15 ~ 20cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104267277A CN102911672A (en) | 2012-10-31 | 2012-10-31 | Clay sand stabilizing barrier for shunting wind-blown sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104267277A CN102911672A (en) | 2012-10-31 | 2012-10-31 | Clay sand stabilizing barrier for shunting wind-blown sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102911672A true CN102911672A (en) | 2013-02-06 |
Family
ID=47610256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104267277A Pending CN102911672A (en) | 2012-10-31 | 2012-10-31 | Clay sand stabilizing barrier for shunting wind-blown sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102911672A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104845640A (en) * | 2015-05-12 | 2015-08-19 | 西北师范大学 | Clay-base sand stabilizing material with water-saving temperature-regulating sand stabilizing function |
| CN104863112A (en) * | 2015-05-18 | 2015-08-26 | 西北师范大学 | Clay-based sand barrier grid manufacturing method |
| CN105862889A (en) * | 2016-05-19 | 2016-08-17 | 成都理工大学 | Soil slope protection method |
| CN108383946A (en) * | 2018-03-12 | 2018-08-10 | 西北师范大学 | A kind of preparation of water-soluble environment protective sand-consolidating agent and application process |
| CN108865150A (en) * | 2018-06-14 | 2018-11-23 | 美丽国土（北京）生态环境工程技术研究院有限公司 | Sand-consolidating agent and preparation method thereof, application method and application |
| CN110105962A (en) * | 2019-05-11 | 2019-08-09 | 长春工程学院 | A kind of slurries and preparation method thereof that fix the sand of Desert Control |
| CN112175624A (en) * | 2020-10-27 | 2021-01-05 | 中国科学院西北生态环境资源研究院 | Nano-adhesive substrate for sand fixation, nano-biomaterial and sand fixation method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229804A (en) * | 2011-05-12 | 2011-11-02 | 西北师范大学 | Clay-based compound sand consolidating material |
-
2012
- 2012-10-31 CN CN2012104267277A patent/CN102911672A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229804A (en) * | 2011-05-12 | 2011-11-02 | 西北师范大学 | Clay-based compound sand consolidating material |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104845640A (en) * | 2015-05-12 | 2015-08-19 | 西北师范大学 | Clay-base sand stabilizing material with water-saving temperature-regulating sand stabilizing function |
| CN104845640B (en) * | 2015-05-12 | 2018-03-30 | 西北师范大学 | The clay-based sand fixation material for function of being fixed the sand with water saving temperature adjustment |
| CN104863112A (en) * | 2015-05-18 | 2015-08-26 | 西北师范大学 | Clay-based sand barrier grid manufacturing method |
| CN105862889A (en) * | 2016-05-19 | 2016-08-17 | 成都理工大学 | Soil slope protection method |
| CN105862889B (en) * | 2016-05-19 | 2018-06-19 | 成都理工大学 | A kind of soil-slope bank protecting method |
| CN108383946A (en) * | 2018-03-12 | 2018-08-10 | 西北师范大学 | A kind of preparation of water-soluble environment protective sand-consolidating agent and application process |
| CN108865150A (en) * | 2018-06-14 | 2018-11-23 | 美丽国土（北京）生态环境工程技术研究院有限公司 | Sand-consolidating agent and preparation method thereof, application method and application |
| CN108865150B (en) * | 2018-06-14 | 2020-10-02 | 美丽国土（北京）生态环境工程技术研究院有限公司 | Sand-fixing agent, and preparation method, use method and application thereof |
| CN110105962A (en) * | 2019-05-11 | 2019-08-09 | 长春工程学院 | A kind of slurries and preparation method thereof that fix the sand of Desert Control |
| CN112175624A (en) * | 2020-10-27 | 2021-01-05 | 中国科学院西北生态环境资源研究院 | Nano-adhesive substrate for sand fixation, nano-biomaterial and sand fixation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102229804B (en) | Clay-based compound sand consolidating material | |
| CN102911672A (en) | Clay sand stabilizing barrier for shunting wind-blown sand | |
| Zhang et al. | Preparation and experimental dust suppression performance characterization of a novel guar gum-modification-based environmentally-friendly degradable dust suppressant | |
| CN101548595B (en) | Desert control method of chemical sand-fixing greening technology based on organic composite materials | |
| Zang et al. | Chemical sand stabilization: A review of material, mechanism, and problems | |
| CN106167380A (en) | A kind of iron tailings anti-block water permeable concrete road surface and preparation method thereof | |
| CN101445389B (en) | Permeable water-retaining agent for floor tiles | |
| CN104387530A (en) | Preparation method of high-content calcium bentonite water shutoff agent | |
| CN107140902A (en) | A kind of permeable foam concrete and preparation method thereof | |
| CN103570858A (en) | Cation polyvinyl acetate emulsion for stabilization of sands and preparation method thereof | |
| CN107973548A (en) | A kind of high anti-freezing pervious concrete additive and preparation method thereof | |
| CN104478320B (en) | A kind of freeze proof habitat base material for extremely frigid zones and preparation method thereof | |
| Zhou et al. | A quantitative study on the amount of water-retaining agent based on adhesive-modified red bed weathered soil | |
| CN109937838A (en) | One kind being suitable for semiarid region roof greening matrix and preparation method thereof and application method | |
| CN108409225A (en) | A kind of high intensity high water-permeability pavior brick and preparation method thereof | |
| CN103352459B (en) | The method utilizing modified husky body Desert Control | |
| Zhang et al. | A cross-linked polymer soil stabilizer for hillslope conservation on the loess plateau | |
| CN109897640A (en) | A kind of soil-solidified-agent and its preparation method and application | |
| CN104148377A (en) | Method for producing greened structure soil from silt | |
| CN109456734A (en) | A kind of soil-rock mixture structure road dust solidification dust suppressant and preparation method thereof | |
| CN106396575B (en) | A kind of nitrogen fertilizer slow-releasing type plants raw rubber gel material and preparation method thereof | |
| CN105155509B (en) | A kind of method checked winds and fixed drifting sand | |
| CN107082588B (en) | Water-absorbing swelling agent, preparation method and application thereof | |
| CN101400760B (en) | Inorganic, static electric binder composition, use thereof and method for the preparation of the binder composition | |
| CN109749752A (en) | A kind of preparation method of sand fixation material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130206 |