CN106007636B - A kind of bubble mixing drift-sand soil resistant to salt corrosion and preparation method thereof - Google Patents
A kind of bubble mixing drift-sand soil resistant to salt corrosion and preparation method thereof Download PDFInfo
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- CN106007636B CN106007636B CN201610300512.9A CN201610300512A CN106007636B CN 106007636 B CN106007636 B CN 106007636B CN 201610300512 A CN201610300512 A CN 201610300512A CN 106007636 B CN106007636 B CN 106007636B
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- drift
- sand
- bubble mixing
- bubble
- foaming agent
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of bubble mixing drift-sand soil and preparation method thereof resistant to salt corrosion, and the bubble mixing drift-sand local soil type point includes: cement, slag, activated magnesia, waterglass, sodium hydroxide, drift-sand, mineral admixture, water and foaming agent.Salt action is hindered by interaction between the bubble mixing drift-sand soil each component and bubble water proof, guarantees that bubble mixing drift-sand soil condenses hardening, Emergence and Development in salt marsh environment and keeps intensity for a long time.This kind of bubble mixing drift-sand soil is for can satisfy the requirement of structures, component to intensity and durability in desert salinized soil environment.
Description
Technical field
The present invention relates to building under a kind of salt marsh environment for desert, the ground of road and bridge, roadbed treatment bubble
Drift-sand soil and preparation method thereof is mixed, civil engineering groundwork process field is belonged to.
Background technique
China is that desert is distributed one of widest country, and desert area accounts for national territorial area about 8.4%, and is distributed mainly on
The provinces and regions such as Xinjiang, Inner Mongol, Qinghai, Gansu, Ningxia, the Shaanxi in China western part.Due to the special geographical environment of western desert area,
The uniqueness of this area's weather is created, summer high temperature, winter is cold, and annual range of temperature and temperature difference per day are larger, and it is dry short of rain,
Precipitation is few, and evaporation capacity is big.These climatic characteristics determine the advantage of ascending current in desert soil, make its soluble salt with
Capillary water rising accumulate in surface layer, and natural leaching and desalination processes are very faint, lead to the universal salification of soil, are formed greatly
Area salinized soil, most desert soils belong to salinized soil.Desert salinized soil salt content compared with high, saliferous type is more, this
Ground, the subgrade engineering of the structures such as building, road, bridge, the tunnel in a little areas, it is necessary to consider to the corrosion-resistant of salt marsh environment
Performance.Salinity contained by the salinized soil of desert predominantly contains potassium (K+), sodium (Na+), magnesium (Mg2+), calcium (Ca2+) villaumite (Cl-), sulfuric acid
Salt (SO4 2-), carbonate (CO3 2-) and bicarbonate (HCO3 -), they are mixed to used at present based on silicate series cement
Solidifying soil and reinforcing bar generate heavy corrosion effect, to constitute a serious threat to the durability of concrete and reinforced concrete component.
Concrete and reinforced concrete is the indispensable component part of ground, roadbed treatment, but it is applied under the salt marsh environment of desert
It is extremely restricted.Meanwhile concrete aggregate need to use non-salt marsh material, in these transport of materials distances of desert salty area
Far, acquisition cost is big, and a large amount of existing drift-sand resource can not efficiently use, thus compel to be essential seek one kind can be abundant
It again can be in salt marsh environment with ground, the Roadbed Treatment of strong corrosion resistance, to meet using drift-sand resource
The requirement of salt marsh environment engineer application.
Summary of the invention
The present invention is to solve the endurance issues of ground, roadbed under desert salt marsh environment, is proposed a kind of using drift-sand
Resource is as raw material, the corrosion resistant bubble mixing drift-sand soil that can be used for salt marsh environment and preparation method thereof.Of the invention is resistance to
The bubble mixing drift-sand soil of salt corrosion, includes cement, slag, activated magnesia, waterglass, sodium hydroxide, drift-sand, mineral
Admixture and water, and the bubble containing weight accounting 1%-5%.
Cement, slag, activated magnesia, waterglass and sodium hydroxide are containing Na as cementitious material+、K+、Ca2+、Mg2+、
Cl-、SO4 2-、CO3 2-Salt marsh being lauched of environment etc. several or a variety of salt ions is hardened, and in cementitious material and salt marsh environment
The reaction of part salinity generate a large amount of hyrate CASH, Friedel ' s salt, Kuzel ' s salt and Layered
Double Hydroxide, significant contributor of these hyrates as cementing strength, the good water stability in salt marsh environment
And salt erodibility endurance, it ensure that the stabilization of mixing drift-sand soil intensity and salt tolerant lose ability；It is also mixed in mixing drift-sand soil simultaneously
Bubble population is entered, has formed bubble mixing drift-sand soil, has largely closed, is fine and closely woven, finely dispersed bubble, composite soil can be effectively improved
Anti-permeability performance, the salt of composite soil is lost in the infiltration for mitigating saliferous capillary water to be destroyed, its Salt corrosion corrosion is further increased.This hair
The applicable salt marsh environment of the bright bubble mixing drift-sand soil is containing Na+、K+、Ca2+、Mg2+、Cl-、SO4 2-、CO3 2-、HCO3 -Deng
Salt ion, saliferous gross mass percentage composition are 0.5%-10%, the salinized soil of aqueous mass percent 5%-100%.
The bubble mixing drift-sand soil resistant to salt corrosion, each component weight ratio are as follows: cement: 3%-25%；Slag:
8%-25%；Activated magnesia: 1%-5%；Waterglass: 1%-10%；Sodium hydroxide: 0.5%-3%；Drift-sand: 5%-
70%；Mineral admixture: 0%-5%；Water: 15%-30%；Bubble: 1%-5%.Specific proportion can be according to territory of use's salt marsh
Salinity type and ratio, concentration determine in aeolian accumulation sandy soil.
The cement specific surface area is not less than 300m2/kg；The slag specific surface area is not less than 250m2/kg；It is described
Activated magnesia specific surface area be not less than 300m2/kg；The modulus of water glass is 2-3.5, and concentration is 20-50 ° of Be '；It is described
Sodium hydroxide purity is not less than 95%；The drift-sand partial size is not more than 1mm, salt content 0.5%-10%；The water
For fresh water；The bubble be generated using foaming agent, the foaming agent be surface-active class foaming agent, protide foaming agent,
Resinae foaming agent, carbonate foaming agent.
The mineral admixture be the flyash for meeting Particle size requirements, silicon ash, steel slag, red mud mine tailing, non-ferrous metal slag,
One of calcining coal gangue powder mineral admixture or several mineral admixtures mix, and the specific surface area of the flyash is not
Less than 400m2The specific surface area of/kg, silicon ash are not less than 15000m2The specific surface area of/kg, ground steel slag and non-ferrous metal slag is not small
In 350m2The specific surface area of/kg, red mud mine tailing are not less than 300m2The specific surface area of/kg, calcining coal gangue powder are not less than
300m2/kg。
Bubble mixing drift-sand soil of the invention can cooperate enhancing muscle to use, and also can be used alone, to prepare salt marsh
Component and structures resistant to salt corrosion used in environment.According to species and design requirement are constructed, application method is not quite similar,
It can be the cast-in-place structures of plain bubble mixing drift-sand soil or component, be also possible to that reinforcement bubble mixing drift-sand is native cast-in-place to be constructed
Object or component.The muscle material of reinforcing rib can be used: basalt fiber tendons, fiberglass reinforced plastics muscle, carbon fibre reinforced plastic
Muscle, aromatic polyamide fiber reinforced plastics muscle, bamboo reinforcement, bamboo silk rope, reed muscle.
One kind of the present invention bubble mixing drift-sand soil resistant to salt corrosion, preparation method are as follows: to regional salt of constructing
Salinity type, concentration and the ratio of stain environment are measured, the saliferous type and salt content according to salt marsh environment locating for concrete
Determine the specific proportion of bubble mixing drift-sand soil；According to determining component proportion, by cement, slag, activated magnesia, water glass
Glass, sodium hydroxide, drift-sand, mineral admixture are put into blender and are sufficiently mixed, and add water and stir evenly, obtain mixture
Material；Foaming agent is added in foaming machine and is diluted with water, the compressed air that dilution rear foaming agent is poured with foaming agent generates gas
Steep group；The mixed material of bubble population and blender mixing that foaming agent generates is sufficiently mixed, bubble mixing drift-sand soil is obtained；
Bubble mixing drift-sand soil is constructed and conserved.
The beneficial effects of the present invention are:
(1) bubble mixing drift-sand soil resistant to salt corrosion provided by the invention can condense hardening, development in salt marsh environment
And intensity is kept, there is good water stability, salt erodibility endurance and impermeability, the salinized soil not being available suitable for normal concrete
Environment.
(2) bubble mixing drift-sand soil resistant to salt corrosion provided by the invention can make full use of salt marsh desert area largely to deposit
Drift-sand resource, be available locally, preparation cost is cheap, is suitble to large-scale engineer application.
Specific embodiment
Make furtherly below with reference to the embodiment bubble mixing drift-sand soil resistant to salt corrosion to one kind provided by the invention
It is bright.The present invention is not limited by the following examples, can determine specific reality with actual conditions according to the technique and scheme of the present invention
Apply mode.
Embodiment 1
The bubble mixing drift-sand soil resistant to salt corrosion to the one kind proposed in the present invention makes a strength test, using 5% water
Mud, 20% slag, 5% activated magnesia, 5% waterglass, 2% sodium hydroxide, 37% drift-sand, 25% water, the mixing of 1% bubble
Mixing is native at bubble mixing drift-sand, wherein cement specific surface area 340m2/kg；Slag specific surface area 300m2/kg；Active oxidation
Magnesium specific surface area 300m2/kg；Modulus of water glass is 3, and concentration is 35 ° of Be '；Sodium hydroxide purity 97%；Drift-sand partial size 1mm,
Salt content is 1%；Water is local common fresh water；Bubble is to be generated using surface-active class foaming agent.The mixing of bubble made of mixing
It is in the die trial of 150mm concrete cube, by above-mentioned bubble mixing drift-sand after hardening demoulding that aeolian accumulation sandy soil jolt ramming, which is fitted into side length,
Soil is in fresh water, brine and buries to be overlying under salinized soil environment and conserves, and environment temperature is controlled at 20 ± 2 DEG C.Concrete bearing intension testing is pressed
It is carried out according to " standard for test methods of mechanical properties of ordinary concrete " (GB/T50081-2002), compression strength is shown in Table 1:
1 bubble mixing drift-sand soil intensity contrast in fresh water, brine and salinized soil of table
From data in table as it can be seen that intensity of the bubble mixing drift-sand soil in brine and salinized soil is higher than after 360d maintenance
Its intensity in fresh water, and during rear age, the bubble mixing drift-sand soil intensity conserved in brine and salinized soil increases
Amount is higher than fresh water and conserves.Test result illustrates that one kind of the present invention bubble mixing drift-sand soil resistant to salt corrosion can apply to
In salt marsh environment, and intensity stabilization and good salt erodibility endurance are kept, meets structures in salt marsh environment to intensity and durable
The requirement of property.
Embodiment 2
Certain desert highway embankment is using bubble mixing drift-sand soil, filling-up thickness 3m, treated length 200m.According to work
Journey exploration report learns that the saline soil area drift-sand salt content is 2.2%, the content of leading ion are as follows: Ca2+: 0.1%, Mg2 +: 0.2%, K+/Na+: 0.5%, SO4 2-: 0.6%, Cl-: 0.8%.According to above-mentioned salinized soil saliferous type and salt content analysis knot
Fruit prepares bubble mixing drift-sand soil: 10% cement, 15% slag, 3% active oxidation by the weight percent of following raw materials
Magnesium, 8% waterglass, 3% sodium hydroxide, 35% drift-sand, 3% mineral admixture, 20% water, 3% bubble.Wherein cement compares table
Area 350m2/kg；Slag specific surface area 300m2/kg；Activated magnesia specific surface area 350m2/kg；Modulus of water glass is 2.5, dense
Degree is 20 ° of Be '；Sodium hydroxide purity 97%；Drift-sand partial size 0.6mm, salt content 2.2%；Mineral admixture be silicon ash and
The mixing admixture of red mud mine tailing, weight ratio respectively account for 50%, the specific surface area 15000m of silicon ash2/ kg, the ratio of red mud mine tailing
Surface area 300m2/kg；Water is local common fresh water；Bubble is to be generated using protide foaming agent.
Cement, slag, activated magnesia, waterglass, sodium hydroxide, drift-sand, mineral admixture are put into according to the proportion
It is sufficiently mixed after blender, then water is added thereto, be uniformly mixing to obtain mixed material；Use reed muscle as the muscle of mixed material
Material mixes uniform muscle material with mixed material；Foaming agent is added in foaming machine and is diluted with water, dilutes rear foaming agent with hair
The compressed air that infusion pours generates bubble population；The reinforcement material mixture of bubble population and blender mixing that foaming agent is generated
Material is sufficiently mixed, and obtains reinforcement bubble mixing drift-sand soil；Reinforcement air bubble mix light-textured soil is layered step by every layer of 0.5m
Railway embankment, curing age 30 days, curing temperature was 20 ± 2 DEG C, and the air humidity of care environments is 98%.
Embodiment 3
Certain desert saline soil area road reconstruction, roadbed are handled using bubble mixing drift-sand soil, and roadbed treatment is deep
Spend 0.5m, treated length 500m, underground water buried depth 5m.The saline soil area drift-sand salt content is learnt according to engineering investigation report
It is 1.3%, the content of leading ion are as follows: Ca2+: 0.1%, Mg2+: 0.03%, K+/Na+: 0.5%, SO4 2-: 0.07%, Cl-:
0.6%.It is mixed according to above-mentioned salinized soil saliferous type and salt content analysis as a result, preparing bubble by the weight percent of following raw materials
Conjunction aeolian accumulation sandy soil: 10% cement, 10% slag, 1% activated magnesia, 5% waterglass, 1% sodium hydroxide, 50% drift-sand,
20% water, 3% bubble.Wherein cement specific surface area 350m2/kg；Slag specific surface area 300m2/kg；Activated magnesia specific surface
Product 300m2/kg；Modulus of water glass is 2.5, and concentration is 35 ° of Be '；Sodium hydroxide purity 99%；Drift-sand partial size 0.5mm, saliferous
Amount is 1.3%；Water is local common fresh water；Bubble is to be generated using surface-active class foaming agent.
Cement, slag, activated magnesia, waterglass, sodium hydroxide, drift-sand are put into after blender sufficiently according to the proportion
Mixing, then water is added thereto, it is uniformly mixing to obtain mixed material；Foaming agent is added in foaming machine and is diluted with water, dilutes
The compressed air that rear foaming agent is poured with foaming agent generates bubble population；The bubble population and blender mixing that foaming agent is generated
Mixed material be sufficiently mixed, obtain bubble mixing drift-sand soil；Air bubble mix light-textured soil is divided two layers by every layer of 0.25m and is poured
In roadbed, curing age is 28 days, and curing temperature is 20 DEG C, and the air humidity of care environments is 98%.
Embodiment 4
The backfill of certain desert saline soil area Abutment Back is using bubble mixing drift-sand soil, back filling behind abutment depth 1.5m, place
Manage length 50m.Learn that the saline soil area drift-sand salt content is 4.9% according to engineering investigation report, the content of leading ion
Are as follows: Ca2+: 0.8%, Mg2+: 0.6%, K+/Na+: 1.1%, SO4 2-: 2.1%, Cl-: 0.3%.According to above-mentioned salinized soil saliferous kind
Class and salt content analysis are as a result, prepare bubble mixing drift-sand soil: 3% cement, 22% mine by the weight percent of following raw materials
Slag, 3% activated magnesia, 10% waterglass, 3% sodium hydroxide, 25% drift-sand, 2% mineral admixture, 30% water, 2% gas
Bubble.Wherein cement specific surface area 300m2/kg；Slag specific surface area 280m2/kg；Activated magnesia specific surface area 300m2/kg；Water
Glass modulus is 3, and concentration is 40 ° of Be '；Sodium hydroxide purity 99%；Drift-sand partial size 0.5mm, salt content 4.9%；Mineral
Admixture is the mixing admixture of flyash, steel slag, and weight ratio respectively accounts for 50%, and specific surface area is 350m2/kg；Water is locality
Common fresh water；Bubble is to be generated using resinae foaming agent.
Cement, slag, activated magnesia, waterglass, sodium hydroxide, drift-sand, mineral admixture are put into according to the proportion
It is sufficiently mixed after blender, then water is added thereto, be uniformly mixing to obtain mixed material；Foaming agent is added in foaming machine and adds
Water dilution, the compressed air that dilution rear foaming agent is poured with foaming agent, generates bubble population；By foaming agent generate bubble population and
The mixed material of blender mixing is sufficiently mixed, and obtains bubble mixing drift-sand soil；Air bubble mix light-textured soil is pressed into every layer of 0.5m
Layering is directly poured carries on the back in platform, and curing age is 28 days, and curing temperature is 22 DEG C, and the air humidity of care environments is 98%.
Claims (6)
1. a kind of bubble mixing drift-sand resistant to salt corrosion is native, by cement, slag, activated magnesia, waterglass, sodium hydroxide,
Drift-sand, mineral admixture, water and foaming agent composition, it is characterised in that: each component weight ratio is cement 3%-25%, slag
8%-25%, activated magnesia 1%-5%, waterglass 1%-10%, sodium hydroxide 0.5%-3%, drift-sand 5%-70%, mine
Polymer blends material 0%-5%, water 15%-30%, foaming agent 1%-5%；The drift-sand partial size is not more than 1mm, and salt content is
1%-10%, institute's saliferous include Na+、K+、Ca2+、Mg2+、Cl-、SO4 2-、CO3 2-、HCO3 -A variety of salt ions.
2. bubble mixing drift-sand soil resistant to salt corrosion according to claim 1, it is characterised in that: the cement compares table
Area is not less than 300m2/kg；The slag specific surface area is not less than 250m2/kg；The activated magnesia specific surface area is not
Less than 300m2/kg；The modulus of water glass is 2-3.5, and concentration is 20-50 ° of Be '；The sodium hydroxide purity is not less than
95%；The water is fresh water；The foaming agent is protide foaming agent, resinae foaming agent, carbonate foaming agent.
3. bubble mixing drift-sand soil resistant to salt corrosion according to claim 1, it is characterised in that: the mineral admixture
It is one of the flyash for meeting Particle size requirements, silicon ash, steel slag, red mud mine tailing, non-ferrous metal slag, calcining coal gangue powder mine
Polymer blends material or several mineral admixtures mix.
4. bubble mixing drift-sand soil resistant to salt corrosion according to claim 3, it is characterised in that: the ratio of the flyash
Surface area is not less than 400m2The specific surface area of/kg, silicon ash are not less than 15000m2/ kg, the specific surface area of steel slag and non-ferrous metal slag
Not less than 350m2The specific surface area of/kg, red mud mine tailing are not less than 300m2The specific surface area of/kg, calcining coal gangue powder are not less than
300m2/kg。
5. a kind of reinforcement bubble mixing aeolian accumulation using bubble mixing drift-sand soil production resistant to salt corrosion described in claim 1
Sandy soil site concrete, it is characterised in that: used muscle material is basalt fiber tendons, fiberglass reinforced plastics muscle, carbon fiber
Reinforced plastics muscle, aromatic polyamide fiber reinforced plastics muscle, bamboo reinforcement, bamboo silk rope or reed muscle.
6. a kind of preparation method of bubble mixing drift-sand soil resistant to salt corrosion described in claim 1, it is characterised in that: including
Following steps, firstly, being measured to salinity type, concentration and the ratio in regional salting hooping border of constructing, according to bubble mixing wind
The saliferous type and salt content of salt marsh environment locating for sand soil determine the specific proportion of bubble mixing drift-sand soil；Secondly, according to
Cement, slag, activated magnesia, waterglass, sodium hydroxide, drift-sand, mineral admixture are put into and stir by determining component proportion
The machine of mixing is sufficiently mixed, and is added water and is stirred evenly, obtains mixed material；Then, foaming agent is added in foaming machine and adds water dilute
It releases, the compressed air that dilution rear foaming agent is poured with foaming agent generates bubble population；Finally, bubble population foaming agent generated
It is sufficiently mixed with the mixed material of blender mixing, obtains bubble mixing drift-sand soil.
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| CN109467343A (en) * | 2018-11-26 | 2019-03-15 | 天津城建大学 | A kind of lightweight salinized soil |
| CN109440562A (en) * | 2018-12-05 | 2019-03-08 | 交通运输部科学研究院 | A kind of bubble composite soil roadbed and its construction technology suitable for Frozen Ground Area |
| CN109503080A (en) * | 2018-12-25 | 2019-03-22 | 西南石油大学 | A kind of foamed fibre concrete |
| CN115925444B (en) * | 2022-12-13 | 2023-10-13 | 中国电建集团贵阳勘测设计研究院有限公司 | Salt water desert sand foam concrete and preparation method thereof |
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| CN101220276A (en) * | 2007-12-14 | 2008-07-16 | 内蒙古伊欧力科技有限公司 | Method for producing wind drift sand solidifying polymerization agent |
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| CN102211916A (en) * | 2011-03-25 | 2011-10-12 | 长安大学 | Paste filling material composition prepared from drift-sand and industrial solid waste |
| CN102849973A (en) * | 2012-09-20 | 2013-01-02 | 中国建筑材料科学研究总院 | Desert aeolian sand separated feldspar based alkali-activated cementing material and preparation method thereof |
| CN105218023A (en) * | 2015-09-24 | 2016-01-06 | 东南大学 | A kind of drift-sand foam material and preparation method |
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- 2016-05-09 CN CN201610300512.9A patent/CN106007636B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| CN101220276A (en) * | 2007-12-14 | 2008-07-16 | 内蒙古伊欧力科技有限公司 | Method for producing wind drift sand solidifying polymerization agent |
| CN101642930A (en) * | 2009-08-31 | 2010-02-10 | 内蒙古伊欧力科技有限公司 | Preparation method of wind sand solidification paver brick |
| CN102211916A (en) * | 2011-03-25 | 2011-10-12 | 长安大学 | Paste filling material composition prepared from drift-sand and industrial solid waste |
| CN102849973A (en) * | 2012-09-20 | 2013-01-02 | 中国建筑材料科学研究总院 | Desert aeolian sand separated feldspar based alkali-activated cementing material and preparation method thereof |
| CN105218023A (en) * | 2015-09-24 | 2016-01-06 | 东南大学 | A kind of drift-sand foam material and preparation method |
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