CN1487054A - Polymer Cement Based Sand Fixing Material - Google Patents

Polymer Cement Based Sand Fixing Material Download PDF

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Publication number
CN1487054A
CN1487054A CNA031252834A CN03125283A CN1487054A CN 1487054 A CN1487054 A CN 1487054A CN A031252834 A CNA031252834 A CN A031252834A CN 03125283 A CN03125283 A CN 03125283A CN 1487054 A CN1487054 A CN 1487054A
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China
Prior art keywords
sand
cement
water
desert
good
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CNA031252834A
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Chinese (zh)
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CN1226385C (en
Inventor
胡曙光
丁庆军
吕林女
许祥俊
姜从盛
王发洲
彭波
陈友治
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion

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  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

本发明属于复合材料领域,具体地讲涉及一种主要用于沙漠治理的有机无机化学固沙材料。聚合物水泥基固沙材料,其特征是:它的成分及重量份配比为:水泥1、沙5~10、水0.5~1、阳离子乳化沥青为0.03~0.1、聚丙烯酸钠高吸水树脂0.02~0.1,按比例称量后搅拌均匀,喷晒在沙漠中。本发明以水泥砂浆为基材,掺入黑色保温、吸水保水作用的阳离子乳化沥青和高吸水树脂进行改性,本产品具有高强、吸水保水性能良好、耐久性好、抗冻融稳定性、耐风蚀性和耐侯性好,不污染环境,成本低廉,作用持久,无毒的特点。The invention belongs to the field of composite materials, and in particular relates to an organic-inorganic chemical sand-fixing material mainly used for desert control. The polymer cement-based sand-fixing material is characterized in that its composition and weight ratio are: cement 1, sand 5-10, water 0.5-1, cationic emulsified asphalt 0.03-0.1, polyacrylate sodium superabsorbent resin 0.02- 0.1, weighed in proportion, stirred evenly, and sprayed in the desert. The invention uses cement mortar as the base material, and is modified by adding cationic emulsified asphalt and superabsorbent resin with black heat preservation and water absorption and water retention functions. The product has high strength, good water absorption and water retention performance, good durability, freeze-thaw resistance stability, It has good wind erosion and weather resistance, no pollution to the environment, low cost, long-lasting effect, and non-toxic characteristics.

Description

The polyalcohol cement basis sand fixation material
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 cationic water pitch 70# emulsifying agent 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.
CNB031252834A 2003-08-18 2003-08-18 Sand-fixing polymer-cement material Expired - Fee Related CN1226385C (en)

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

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CN1487054A true CN1487054A (en) 2004-04-07
CN1226385C CN1226385C (en) 2005-11-09

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Cited By (10)

* Cited by examiner, † Cited by third party
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
CN101914383A (en) * 2010-09-03 2010-12-15 中国石油大学(华东) A kind of preparation method of multifunctional liquid film 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
CN102775107A (en) * 2012-07-10 2012-11-14 苗根喜 Novel water permeable material using desert sand as aggregate, and preparation method and application of novel water permeable material
CN102775108A (en) * 2012-07-10 2012-11-14 苗根喜 Water-permeable paving material and preparation method and application thereof
CN102995623A (en) * 2011-09-15 2013-03-27 李彦文 Curing method for desert
WO2014051450A1 (en) 2012-09-25 2014-04-03 Roquette Pinheiro De Melo Joao Policarpo Mass based on gauged sand and elastic binder
CN104418555A (en) * 2013-09-05 2015-03-18 亿利资源集团有限公司 Water-storage moisturizing material as well as preparation method and application of water-storage moisturizing material
CN106477997A (en) * 2016-11-03 2017-03-08 天津城建大学 A kind of method of employing emulsified asphalt stabilized saline soil
CN108285399A (en) * 2017-12-28 2018-07-17 青岛冠中生态股份有限公司 Matrix and its application method are cultivated for fixing the sand for high altitude localities aeolian accumulation sand ground

Cited By (15)

* Cited by examiner, † Cited by third party
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
CN101914383A (en) * 2010-09-03 2010-12-15 中国石油大学(华东) A kind of preparation method of multifunctional liquid film sand-fixing agent
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
CN102775107A (en) * 2012-07-10 2012-11-14 苗根喜 Novel water permeable material using desert sand as aggregate, and preparation method and application of novel water permeable material
CN102775108A (en) * 2012-07-10 2012-11-14 苗根喜 Water-permeable paving material and preparation method and application thereof
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
WO2014051450A1 (en) 2012-09-25 2014-04-03 Roquette Pinheiro De Melo Joao Policarpo Mass based on gauged sand and elastic binder
CN104418555A (en) * 2013-09-05 2015-03-18 亿利资源集团有限公司 Water-storage moisturizing material as well as preparation method and application of water-storage moisturizing material
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
CN106477997A (en) * 2016-11-03 2017-03-08 天津城建大学 A kind of method of employing emulsified asphalt stabilized saline soil
CN106477997B (en) * 2016-11-03 2019-01-25 天津城建大学 A kind of method using emulsified asphalt to solidify saline soil
CN108285399A (en) * 2017-12-28 2018-07-17 青岛冠中生态股份有限公司 Matrix and its application method are cultivated for fixing the sand for high altitude localities aeolian accumulation sand ground

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