CN1226385C - Sand-fixing polymer-cement material - Google Patents
Sand-fixing polymer-cement material Download PDFInfo
- Publication number
- CN1226385C CN1226385C CNB031252834A CN03125283A CN1226385C CN 1226385 C CN1226385 C CN 1226385C CN B031252834 A CNB031252834 A CN B031252834A CN 03125283 A CN03125283 A CN 03125283A CN 1226385 C CN1226385 C CN 1226385C
- Authority
- CN
- China
- Prior art keywords
- sand
- cement
- water
- water absorption
- desert
- 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.)
- Expired - Fee Related
Links
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
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention belongs to the field of a composite material, particularly to an organic and inorganic chemistry sand fixing material mainly used for treating desert. The sand fixing polymer cement base material is characterized in that the sand fixing polymer cement base material is composed of the following components by weight portion: 1 of cement, 5 to 10 of sand, 0.5 to 1 of water, 0.03 to 0.1 of cation emulsified asphalt and 0.02 to 0.1 of sodium polyacrylate high water absorption resin; the materials are uniformly stirred after being weighed in proportion, and the materials are sprayed in the desert. The present invention uses cement mortar as a base material, and the black cation emulsified asphalt having functions of heat preservation, water absorption and water retention and the high water absorption resin are mixed to carry out modification. The product has the characteristics of high strength, good water absorption and water retention, high durability, good freezing and melting resisting stability, wind erosion resistance and weathering resistance, no environmental pollution, low cost, function durability and no poison.
Description
Technical field
The invention belongs to field of compound material, relate to a kind of organic-inorganic chemical sand fixing material that is mainly used in desertification control specifically.
Background technology
Machinery fixes the sand system, plant (biology), and to fix the sand system, chemical sand-fixing system be three to fix the sand system greatly now.Wherein, machinery fixes the sand can only be as a kind of provisional, complementary means of fixing the sand, the sand consolidation with biologic technology is the most general technology in the present desertification control, it also is a kind of best sand-fixation method of putting things right once and for all, but the fundamental that is difficult to provide plant to depend on for existence because of abominable physical environment makes trees surviving rate the highest also only about 30%, produce little effect some places even not even a blade of grass grows.But the chemical sand-fixing mechanized construction, simple fast, particularly be suitable for lacking the engineering sand fixation material and environment is abominable, rainfall is rare, the area that is difficult for using the sand consolidation with biologic technology.Mainly contain grout, water glass, petroleum products class and polymkeric substance super absorbent resin lipid four big class chemical sand fixing materials at present, some other sand fixation material is also arranged certainly, as utilize industrial waste such as plastic waste, the dissolvings such as (processing wastes of cottonseed oil pressing factory) of gossypol resin or emulsification modification to prepare sand fixation material, also have based on industrial wine lees liquor, spent pulping liquor or straw pulp black liquor, add the formulated sand fixation material of various additives, but all only be in the laboratory study stage, fail to be widely used in outdoor desertification control.
Grout is used to fix the sand only to have utilized it to be sprayed at the covering effect after the condensation cure on the Shamian Island.Present stage, main modified method both domestic and external was with the cement super-refinement, can improve perviousness by a relatively large margin, improved early strength and slurries stability.But because of after grout is sprayed on the Shamian Island, moisture evaporation is fast, and the hydrated product amount of generation is few, and the bonding course of formation is very thin and intensity is very low.Simultaneously the cement gel body is a hard brittle material, drying shrinkage very easily takes place, chap, loses and fix the sand and the effect of water conservation, so present stage uses grout to fix the sand seldom separately.
The water glass sand fixation material have owing to strong basicity and stronger thixotropy make constructional difficulties, though have easily spray construction, need two-shot grouting, gel time is uncontrollable, the gelling that has is inhomogeneous, what have has toxicity, the consolidation strength again that has is not high.
Petroleum products class sand-fixation agent is the desert fixedly, when keeping desert moisture, can absorb solar heat, play the function of sand ground heating agent, improve the surviving rate of plant, though its raw material sources are extensive, cost is higher, and the petroleum products ageing resistance is poor, consolidation strength is not high, stability is also bad, can only the fixed time in 2～3 years of Shamian Island.
Consolidation strength is higher, water absorbing and retaining properties good owing to having for polymkeric substance super absorbent resin lipid sand fixation material, water-tolerant, curing is rapid, cohesiveness good, the characteristics such as good elasticity and high-temperature stability that also have that have become one of research focus of current chemical sand fixing material.But this type of macromolecule chemical material has again, and ageing resistance is poor, cost height, poisonous and limited its application greatly.
Summary of the invention
Subject matter at above sand fixation material existence, the purpose of this invention is to provide that a kind of high-strength, water-absorbing-retaining performance is good, water tolerance, freeze-thaw-stability, weathering quality and weather resisteant be good, free from environmental pollution, with low cost, effect is lasting, nontoxic polyalcohol cement basis sand fixation material.
Technical scheme of the present invention is:
The polyalcohol cement basis sand fixation material, its composition and weight proportion are: cement 1, husky 5～10, water 0.5～1, cationic emulsified bitumen are 0.03～0.1, sodium polyacrylate High hydrophilous resin 0.02～0.1, stir after the weighing in proportion, spray is shone in the desert.
Described cement is: 32.5,42.5,52.5 ordinary portland cements or silicate cement or slag cement or pulverized fuel ash cement.
Described sand can be: the sand in the desert.
The composition of described cationic emulsified bitumen and physical and mechanical property are shown in table 1～2:
The composition of table 1 emulsified bitumen, performance
| Composition/% | Outward appearance | Polarity | Residual volume/% on the sieve | Particle diameter/μ m | ||
| Ezhou Ke Shi pitch 70 # | Cationic emulsifier | Water | Dark brown | Both sexes are sun partially | 0.4 | ＜5 |
| 61 | 0.4 | 38.6 | ||||
Table 2 emulsified bitumen evaporation of residual asphalt performance
| 25 ℃ of penetration degrees, 100g (1/10mm) | 25 ℃ of extensibilities (cm) | Softening temperature (℃) |
| 73 | 56 | 50 |
Described sodium polyacrylate High hydrophilous resin performance is as follows:
1. water absorbent rate (the 1g super absorbent resin is statically placed in the 1000mL distilled water, the saturated water adsorptive value after 3 hours) is 600 ~ 700g/g.
2. (the sodium polyacrylate super absorbent resin that will fully absorb water after filtering places 60 ℃ of baking ovens to water retention, ventilation constant temperature, take out weighing once every 24h, until complete drying, the quality of measuring and the ratio of initial quality): the 24h water retention is 〉=80%, and the 48h water retention is 〉=65%, and the 72h water retention is 〉=55%, the 96h water retention is 〉=45%, and the 120h water retention is 〉=40%.
3. water-soluble: take by weighing super absorbent resin 1g and place 1000mL distilled water, leave standstill 48h after, after super absorbent resin and the aqueous solution filtered, the relative viscosity of measuring filtrate was 1.8～2.1.
Compare with existing chemical sand-fixing technology, composition of the present invention is different, existing sand fixation material or inorganics such as grout, water glass sand fixation material etc., or organism, as polymkeric substance super absorbent resin lipid etc., and sand fixation material of the present invention is an organic-inorganic composite material.Difference just because of forming makes it than prior art more superior technique effect be arranged.Be used to fix the sand only to have utilized it to be sprayed at the covering effect after the condensation cure on the Shamian Island as grout; The water glass sand fixation material have owing to strong basicity and stronger thixotropy make constructional difficulties, though have easily spray construction, need two-shot grouting, gel time is uncontrollable, the gelling that has is inhomogeneous, what have has toxicity, the consolidation strength again that has is not high; Petroleum products class sand-fixation agent is the desert fixedly, when keeping desert moisture, can absorb solar heat, play the function of sand ground heating agent, improve the surviving rate of plant, but cost is higher, the petroleum products ageing resistance is poor, and consolidation strength is not high, stability is also bad, can only the fixed time in 2～3 years of Shamian Island; Ageing resistance is poor, cost height, poisonous though advantages such as consolidation strength is higher, water absorbing and retaining properties good, water-tolerant, curing is rapid, cohesiveness is good that polymkeric substance super absorbent resin lipid sand fixation material has, this type of macromolecule chemical material have again.And the present invention is base material with the sand-cement slurry, mix the black insulation, the cationic emulsified bitumen of water-absorbing-retaining effect and High hydrophilous resin carry out modification, adopt a kind of polyalcohol cement basis sand fixation material that contains organic inorganic component of material compounding technology synthetic, existing mineral-type materials, the advantage of organic class material, overcome mineral-type materials by the stack synergistic effect again, the shortcoming of organic class material, have high-strength, the water-absorbing-retaining performance is good, good endurance, freeze-thaw-stability, weathering quality and weather resisteant are good, free from environmental pollution, with low cost, effect is lasting, nontoxic characteristics.
The product that utilizes present technique to produce can reach following technical indicator:
Mechanical property: 28d ultimate compression strength 6 ~ 12MPa.
24h water-intake rate: 7% ~ 15%.
60 ℃ of 24h moisture evaporation rates: 3% ~ 7%.
Resistance to deterioration: residue ultimate compression strength 3-9MPa behind the UV-irradiation 300h, mass loss rate is less than 3%.
Frost resistance: after carrying out 14 freeze-thaw cycle between-20 ℃ and 20 ℃, residual intensity 3-9MPa, mass loss rate is less than 3%.
Embodiment
Embodiment 1: adopt 1 part of 32.5 ordinary portland cement, husky 6 parts of desert, 0.05 part of cationic emulsified bitumen, 0.03 part of sodium polyacrylate High hydrophilous resin, 1 part in water, in proportion after the weighing in concrete mixer mix even, be sprayed at sand, the surface, mound that to fix the sand, form thickness and be 3 ~ 6mm polymkeric substance and fix the sand layer.
Embodiment 2: with 42.5 ordinary portland cements or 1 part of 52.5 ordinary portland cement, husky 8 parts, 0.1 part of cationic emulsified bitumen, 0.1 part of sodium polyacrylate High hydrophilous resin, 1 part in water, in proportion after the weighing in concrete mixer mix even, be sprayed at sand, the surface, mound that to fix the sand, form thickness and be 3 ~ 6mm polymkeric substance and fix the sand layer.
Embodiment 3: with 1 part of silicate cement, 5 parts in sand, 0.08 part of cationic emulsified bitumen, 0.08 part of sodium polyacrylate High hydrophilous resin, 0.5 part in water, in proportion after the weighing in concrete mixer mix even, be sprayed at sand, the surface, mound that to fix the sand, form thickness and be 3 ~ 6mm polymkeric substance and fix the sand layer.
Embodiment 4: with 1 part of slag cement, husky 8 parts of desert, 0.03 part of cationic emulsified bitumen, 0.02 part of sodium polyacrylate High hydrophilous resin, 0.5 part in water, in proportion after the weighing in concrete mixer mix even, be sprayed at sand, the surface, mound that to fix the sand, form thickness and be 3 ~ 6mm polymkeric substance and fix the sand layer.
Embodiment 5: with 1 part of pulverized fuel ash cement, 8 parts in sand, 0.05 part of cationic emulsified bitumen, 0.05 part of sodium polyacrylate High hydrophilous resin, 0.8 part in water, in proportion after the weighing in concrete mixer mix even, be sprayed at sand, the surface, mound that to fix the sand, form thickness and be 3 ~ 6mm polymkeric substance and fix the sand layer.
Claims (3)
1. polyalcohol cement basis sand fixation material, it is characterized in that: its composition and weight part proportioning are: cement 1, husky 5～10, water 0.5～1, cationic emulsified bitumen are 0.03～0.1, sodium polyacrylate High hydrophilous resin 0.02～0.1, stir after the weighing in proportion, spray is shone in the desert.
2. polyalcohol cement basis sand fixation material as claimed in claim 1 is characterized in that: described cement is: 32.5 ordinary portland cements or 42.5 ordinary portland cements or 52.5 ordinary portland cements or silicate cement or slag cement or pulverized fuel ash cement.
3. polyalcohol cement basis sand fixation material as claimed in claim 1 is characterized in that: described sand is desert sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031252834A CN1226385C (en) | 2003-08-18 | 2003-08-18 | Sand-fixing polymer-cement material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031252834A CN1226385C (en) | 2003-08-18 | 2003-08-18 | Sand-fixing polymer-cement material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1487054A CN1487054A (en) | 2004-04-07 |
| CN1226385C true CN1226385C (en) | 2005-11-09 |
Family
ID=34153013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031252834A Expired - Fee Related CN1226385C (en) | 2003-08-18 | 2003-08-18 | Sand-fixing polymer-cement material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1226385C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100355990C (en) * | 2005-06-24 | 2007-12-19 | 长安大学 | Water-retaining sand-stabilizing material for desert treatment and its preparing process |
| CN101914383B (en) * | 2010-09-03 | 2013-12-04 | 中国石油大学(华东) | Preparation method of multifunctional liquid membrane sand-fixing agent |
| CN102093900A (en) * | 2011-01-11 | 2011-06-15 | 天津城市建设学院 | Partially degradable soil solidifying vegetation composite |
| CN102995623A (en) * | 2011-09-15 | 2013-03-27 | 李彦文 | Curing method for desert |
| CN102775107B (en) * | 2012-07-10 | 2016-05-04 | 亿利沙材料科技有限责任公司 | A kind of Desert Sand that utilizes is as seepage material of aggregate and its preparation method and application |
| CN102775108B (en) * | 2012-07-10 | 2016-06-08 | 亿利沙材料科技有限责任公司 | A kind of water permeable paving material and its preparation method and application |
| PT10920U (en) | 2012-09-25 | 2013-10-29 | Joao Policarpo Roquette Pinheiro De Melo | MASS BASED ON CALIBRATED SAND AND ELASTIC AGGLOMERANT |
| CN104418555B (en) * | 2013-09-05 | 2017-01-04 | 亿利资源集团有限公司 | A kind of water-retention moisturizing material and preparation thereof and application |
| CN106477997B (en) * | 2016-11-03 | 2019-01-25 | 天津城建大学 | A method of using emulsified asphalt stabilized saline soil |
| CN108285399B (en) * | 2017-12-28 | 2020-08-11 | 青岛冠中生态股份有限公司 | Sand-fixing cultivation substrate for windy sand land in high-altitude area and use method thereof |
-
2003
- 2003-08-18 CN CNB031252834A patent/CN1226385C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1487054A (en) | 2004-04-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102173663B (en) | Waterborne epoxy modified emulsified asphalt concrete for steel bridge surface and preparation method thereof | |
| CN101891435B (en) | Waterproof and crack-resistant dry-mixed mortar of steel slag sand | |
| CN103820123A (en) | Microbial sand-fixing dust depressor and preparation method thereof | |
| CN1226385C (en) | Sand-fixing polymer-cement material | |
| CN102757792B (en) | Complex ecological sand-fixation agent that one way of life mud is made and preparation method thereof and application | |
| CA2795468C (en) | Bio-based adhesive material | |
| FI93758B (en) | Process for preparing a fine grain mixture having hydrophobic properties | |
| CN106082823A (en) | A kind of modified asphalt concrete | |
| CN109095859A (en) | A kind of self-healing anti-cracking waterproof root resistance concrete | |
| CN1884182A (en) | Civil engineering materials curing agent and preparation method thereof | |
| CN101058489A (en) | Construction material products prepared from construction garbage and preparation method thereof | |
| CN108046840A (en) | A kind of enhanced foam concrete of rice straw and preparation method thereof | |
| Murugappan et al. | Studies on the influence of alginate as a natural polymer in mechanical and long-lasting properties of concrete–A review | |
| KR102437586B1 (en) | Asphalt modifier composition, modified asphalt mixture and modifier asphalt concrete | |
| CN102086399A (en) | Curing agent for stabilizing soil | |
| CN111621183A (en) | Reflective heat-insulating waterproof coating and preparation method and application thereof | |
| CN114180896B (en) | Cement stabilized macadam base composition and preparation and construction process thereof | |
| CN110372262A (en) | A method of precast curb is prepared using bituminous pavement top milling material regeneration | |
| CN108328967A (en) | A kind of high perdurable concrete and preparation method thereof | |
| CN101205467A (en) | Sodium silicate composition and use thereof | |
| CN101386502B (en) | Method for preparing porous desert greening brick | |
| CN111548056B (en) | Acid rain corrosion resistant asphalt mixture and preparation method thereof | |
| CN101462855A (en) | Earth construction site reinforcement protecting material and preparation thereof | |
| CN114015254A (en) | Modified asphalt with root resistance effect and preparation method thereof | |
| CN101386503B (en) | Method for preparing desert greening brick by inorganic gelation technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |