CN110330289A - A kind of soil-solidified-agent, soil solidification soil and preparation method thereof - Google Patents
A kind of soil-solidified-agent, soil solidification soil and preparation method thereof Download PDFInfo
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- CN110330289A CN110330289A CN201910510390.XA CN201910510390A CN110330289A CN 110330289 A CN110330289 A CN 110330289A CN 201910510390 A CN201910510390 A CN 201910510390A CN 110330289 A CN110330289 A CN 110330289A
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- Prior art keywords
- soil
- solidified
- agent
- cement
- polyacrylamide
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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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
-
- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00732—Uses not provided for elsewhere in C04B2111/00 for soil stabilisation
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2103/00—Civil engineering use
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Structural Engineering (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of soil-solidified-agents, soil solidification soil and preparation method thereof, the following steps are included: S1. weighs polyacrylamide 30-50% by mass percentage, calcium chloride 1-20%, calcium sulfate 1-20%, after polyvinyl alcohol 10-30%, after first calcium chloride and polyacrylamide are mixed again by calcium sulfate together with polyvinyl alcohol uniform mix, obtain soil-solidified-agent；S2. following mass percent is pressed, weigh soil-solidified-agent made from cement, plain native and step S1, cement accounts for the 1-15% of cement and the native gross mass of element, and plain soil accounts for the 85-99% of cement and the native gross mass of element, and soil-solidified-agent accounts for the 0.01-0.02% of cement and the native gross mass of element；S3. first by cement and the uniform mix of element soil, then with after the uniform mix of soil-solidified-agent, successively by rolling, health form soil solidification soil.By using reasonable soil solidification agent prescription, compression strength is high, water stability is good, freezing stability is good.
Description
Technical field
The present invention relates to technical field of buildings, it particularly relates to a kind of soil-solidified-agent, soil solidification soil and its preparation
Method.
Background technique
Soil-solidified-agent is a kind of novel energy-conserving ring for being used to solidify all kinds of soil synthesized by a variety of inorganic, organic materials
Protect engineering material.It changes the engineering properties of soil by a series of physical chemical reaction after mixing with soil, can be by soil
In a large amount of Free water be fixed up in the form of the crystallization water so that soil micelle surface current reduces, micelle is adsorbed double
Electric layer is thinned, and electrolyte concentration enhancing, particle tends to agglomerate, volume expansion and further filling soil hole, in Compaction Effort
Under effect, solidified earth is made to be easy to be compacted and stablize, to form overall structure, and reaches the conventional inaccessiable percent consolidation of institute.
By the processed soil of soil-solidified-agent, the performances such as intensity, compactness, the modulus of resilience, deflection value, CBR, shear strength are all
It is greatly improved, to extend the service life of road, saves maintenance of works cost, economic and environmental benefit is all
It is good, it is current ideal road-making material selection.However, the existing most price of soil-solidified-agent is higher, dosage is larger, and effect is not
It is especially desirable, and less environmentally friendly.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For above-mentioned technical problem in the related technology, the present invention propose a kind of soil-solidified-agent, soil solidification soil and its
Preparation method is able to solve above-mentioned technical problem.
To realize the above-mentioned technical purpose, the technical scheme of the present invention is realized as follows:
A kind of soil-solidified-agent is prepared from the following materials by mass percentage: polyacrylamide 30-50%, calcium chloride
1-20%, calcium sulfate 1-20%, polyvinyl alcohol 10-30%.
Further, by mass percentage, it is prepared from the following materials: polyacrylamide 40%, calcium chloride 20%, sulphur
Sour calcium 20%, polyvinyl alcohol 20%.
Further, by mass percentage, it is prepared from the following materials: polyacrylamide 40%, calcium chloride 15%, sulphur
Sour calcium 15%, polyvinyl alcohol 30%.
A kind of soil solidification soil is prepared by cement, element soil and soil-solidified-agent, and wherein cement accounts for cement and element soil is total
The 1-15% of quality, plain soil account for the 85-99% of cement and the native gross mass of element, and soil-solidified-agent accounts for the native gross mass of cement and element
0.01-0.02% is prepared from the following materials wherein the soil-solidified-agent is by mass percentage: polyacrylamide 30-
50%, calcium chloride 1-20%, calcium sulfate 1-20%, polyvinyl alcohol 10-30%.
Further, the cement selection P.O42.5 ordinary portland cement.
A kind of preparation method of soil solidification soil, comprising the following steps:
S1. it prepares soil-solidified-agent: weighing polyacrylamide 30-50%, calcium chloride 1-20%, calcium sulfate 1- by mass percentage
It is again that calcium sulfate is uniform together with polyvinyl alcohol after first mixing calcium chloride with polyacrylamide after 20%, polyvinyl alcohol 10-30%
Mix obtains soil-solidified-agent；
S2. following mass percent is pressed, soil-solidified-agent made from cement, plain native and step S1 is weighed, cement accounts for cement and element
The 1-15% of native gross mass, plain soil account for the 85-99% of cement and the native gross mass of element, and soil-solidified-agent accounts for the native gross mass of cement and element
0.01-0.02%；
S3. first by cement and the uniform mix of element soil, then with after the uniform mix of soil-solidified-agent, successively process is rolled, health is formed
Soil solidification soil.
Beneficial effects of the present invention: by using reasonable soil solidification agent prescription, compression strength is high, water stability is good,
Freezing stability is good；Soil-solidified-agent production and use are pollution-free, and the aqueous solution of curing agent after dilution is nontoxic, harmless, belongs to ring
The high-tech new material of border friendly and resource-conserving can effectively solve road-making material pollution problem；Soil-solidified-agent infiltration
Property it is good, with soil workability it is good, make soil be easy to be compacted, convenient for construction；Soil-solidified-agent is than the soil glue such as traditional cement, lime
Tying material has better performance and economy, environmental benefit, moreover it is possible to solve the cementing materials such as cement, lime, flyash in soil
Insoluble some specific questions when reinforcing have unique soil solidification effect and wide applicability, can be widely applied
In fields such as the processing of the base of highway and underlayment, building lot.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment 1
The preparation of soil-solidified-agent: polyacrylamide 30g, calcium chloride 20g, calcium sulfate 20g, polyvinyl alcohol 30g are weighed, first by chlorine
Change after calcium mixes with polyacrylamide, then by calcium sulfate together with polyvinyl alcohol uniform mix, obtain soil-solidified-agent.
Embodiment 2
The preparation of soil-solidified-agent: polyacrylamide 40g, calcium chloride 20g, calcium sulfate 20g, polyvinyl alcohol 20g are weighed, first by chlorine
Change after calcium mixes with polyacrylamide, then by calcium sulfate together with polyvinyl alcohol uniform mix, obtain soil-solidified-agent.
Embodiment 3
The preparation of soil-solidified-agent: polyacrylamide 40g, calcium chloride 15g, calcium sulfate 15g, polyvinyl alcohol 30g are weighed, first by chlorine
Change after calcium mixes with polyacrylamide, then by calcium sulfate together with polyvinyl alcohol uniform mix, obtain soil-solidified-agent.
Embodiment 4
The preparation of soil-solidified-agent: polyacrylamide 50g, calcium chloride 1g, calcium sulfate 19g, polyvinyl alcohol 30g are weighed, first by chlorine
Change after calcium mixes with polyacrylamide, then by calcium sulfate together with polyvinyl alcohol uniform mix, obtain soil-solidified-agent.
Embodiment 5
The preparation of soil-solidified-agent: polyacrylamide 50g, calcium chloride 19g, calcium sulfate 1g, polyvinyl alcohol 30g are weighed, first by chlorine
Change after calcium mixes with polyacrylamide, then by calcium sulfate together with polyvinyl alcohol uniform mix, obtain soil-solidified-agent.
Embodiment 6
The preparation of soil-solidified-agent: polyacrylamide 50g, calcium chloride 20g, calcium sulfate 20g, polyvinyl alcohol 10g are weighed, first by chlorine
Change after calcium mixes with polyacrylamide, then by calcium sulfate together with polyvinyl alcohol uniform mix, obtain soil-solidified-agent.
Soil solidification soil is prepared using the soil-solidified-agent that embodiment 1-6 is prepared, is prepared below with embodiment 3
Soil-solidified-agent prepare soil solidification soil for.First doing hit-solid experiment according to formula determines that optimum moisture content and maximum dry are close
Degree.Cement, element soil, soil-solidified-agent are being weighed, curing agent is diluted by optimum moisture content.After mixing evenly, it is added in mold and presses
It is taken out after 3 minutes real, measures unconfined compressive strength after being put in health-preserving chamber health 7 days, 28 days.
Embodiment 7
The preparation of soil solidification soil: cement 4g, plain soil 96g, 0.015g soil-solidified-agent are weighed, first uniformly mixes cement and plain soil
It closes, then with after the uniform mix of soil-solidified-agent, successively process is rolled, health forms soil solidification soil.Compression strength experimental data:
Health system is Standard Curing, and unconfined compressive strength average value is 1.3Mpa when 7 day age, without lateral confinement resistance to compression when 28 day age
Average strength is 2.2Mpa.
Embodiment 8
The preparation of soil solidification soil: cement 4g, plain soil 96g, 0.02g soil-solidified-agent are weighed, first uniformly mixes cement and plain soil
It closes, then with after the uniform mix of soil-solidified-agent, successively process is rolled, health forms soil solidification soil.Compression strength experimental data:
Health system is Standard Curing, and unconfined compressive strength average value is 1.5Mpa when 7 day age, without lateral confinement resistance to compression when 28 day age
Average strength is 2.7Mpa.
Embodiment 9
The preparation of soil solidification soil: cement 6g, plain soil 94g, 0.015g soil-solidified-agent are weighed, first uniformly mixes cement and plain soil
It closes, then with after the uniform mix of soil-solidified-agent, successively process is rolled, health forms soil solidification soil.Compression strength experimental data:
Health system is Standard Curing, and unconfined compressive strength average value is 1.8Mpa when 7 day age, without lateral confinement resistance to compression when 28 day age
Average strength is 4.4Mpa.
Embodiment 10
The preparation of soil solidification soil: cement 6g, plain soil 94g, 0.02g soil-solidified-agent are weighed, first uniformly mixes cement and plain soil
It closes, then with after the uniform mix of soil-solidified-agent, successively process is rolled, health forms soil solidification soil.Compression strength experimental data:
Health system is Standard Curing, and unconfined compressive strength average value is 2.1Mpa when 7 day age, without lateral confinement resistance to compression when 28 day age
Average strength is 4.8Mpa.
In embodiment 7-10, cement can use P.O42.5 ordinary portland cement, roll, craft is referring to existing
Produce the preparation method of soil solidification soil.
Soil solidification soil sample is prepared according to embodiment 7-10 preparation method and carries out water stability test, and test result is
It soaks and does not dismiss under soil solidification soil room temperature, durability is good.
Soil solidification soil sample is prepared according to embodiment 7-10 preparation method and carries out freezing and thawing test, with reference to soil and coagulation
Native freezing and thawing test experience, formulate testing program: preserving period is 28 days, 90 days, and circulation is after freezing under conditions of -35 DEG C
Melt 24 hours in the curing box of 20 DEG C of constant temperature and humidities as a Frozen-thawed cycled, carry out 5 times repeatedly, reaches regulation circulation time
Stop test when number, test the compression strength of freeze thawing sample, test result is as shown in table 1.
1 embodiment 7-10 freezing and thawing test result of table
| Embodiment | Number of freezing and thawing (secondary) | Freeze-thawing resistant index (28d) | Freeze-thawing resistant index (90d) |
| 7 | 5 | 0.66 | 0.55 |
| 8 | 5 | 0.75 | 0.64 |
| 9 | 5 | 0.72 | 0.60 |
| 10 | 5 | 0.81 | 0.71 |
1 data of analytical table are as it can be seen that observe the situation of change of sample during test, the sample shape after 5 freezing and thawing tests
State is preferable, and only unobvious transversal crack occurs in individual samples surface, and cryoprotective effects are fairly obvious.
The soil-solidified-agent that the present invention is prepared can be used for the base of each grade road and the build of underlayment；Place
Smooth and solidification: such as parking lot, storage yard, Logistic Park and sports ground；Soil-solidified-agent is non-burning brick and tailings glass；Water conservancy work
Dykes and dams in journey fill solidification；Exempt to do the ecosystem road of surface layer: being suitable for green ecological garden, scenic spot, agricultural pastoral area, power generation
Rickyard, golf place of factory etc. all need the place on ecosystem road surface；Soil-solidified-agent wall: this wall has temperature
Difference is small, and heat dissipation is slow, is not afraid of the features such as steam impregnates, the build of wall suitable for various greenhouses.
In conclusion by means of above-mentioned technical proposal of the invention, by using reasonable soil solidification agent prescription, resistance to compression
Intensity is high, water stability is good, freezing stability is good；Soil-solidified-agent production and use are pollution-free, and the curing agent after dilution is water-soluble
Liquid is nontoxic, harmless, belongs to environmentally friendly and resource-conserving high-tech new material, can effectively solve road-making material pollution and ask
Topic；Soil-solidified-agent good penetrability, it is good with the workability of soil, make soil be easy to be compacted, convenient for construction；Soil-solidified-agent is than traditional
The soil cementations material such as cement, lime has better performance and economy, environmental benefit, moreover it is possible to solve cement, lime, flyash
Equal cementing materials insoluble some specific questions in soil fixation, it is with unique soil solidification effect and widely real
With property, it can be widely applied to the fields such as the base of highway and the processing of underlayment, building lot.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of soil-solidified-agent, which is characterized in that by mass percentage, be prepared from the following materials: polyacrylamide
30-50%, calcium chloride 1-20%, calcium sulfate 1-20%, polyvinyl alcohol 10-30%.
2. a kind of soil-solidified-agent according to claim 1, which is characterized in that by mass percentage, by following raw material system
It is standby to form: polyacrylamide 40%, calcium chloride 20%, calcium sulfate 20%, polyvinyl alcohol 20%.
3. a kind of soil-solidified-agent according to claim 1, which is characterized in that by mass percentage, by following raw material system
It is standby to form: polyacrylamide 40%, calcium chloride 15%, calcium sulfate 15%, polyvinyl alcohol 30%.
4. a kind of soil solidification soil, which is characterized in that be prepared by cement, element soil and soil-solidified-agent, wherein cement accounts for water
The 1-15% of mud and the native gross mass of element, plain soil account for the 85-99% of cement and the native gross mass of element, and soil-solidified-agent accounts for cement and element soil is total
The 0.01-0.02% of quality is prepared from the following materials wherein the soil-solidified-agent is by mass percentage: polyacrylamide
Amine 30-50%, calcium chloride 1-20%, calcium sulfate 1-20%, polyvinyl alcohol 10-30%.
5. a kind of soil solidification soil according to claim 4, which is characterized in that the common silicic acid of cement selection P.O42.5
Salt cement.
6. a kind of preparation method of soil solidification soil, which comprises the following steps:
S1. it prepares soil-solidified-agent: weighing polyacrylamide 30-50%, calcium chloride 1-20%, calcium sulfate 1- by mass percentage
It is again that calcium sulfate is uniform together with polyvinyl alcohol after first mixing calcium chloride with polyacrylamide after 20%, polyvinyl alcohol 10-30%
Mix obtains soil-solidified-agent；
S2. following mass percent is pressed, soil-solidified-agent made from cement, plain native and step S1 is weighed, cement accounts for cement and element
The 1-15% of native gross mass, plain soil account for the 85-99% of cement and the native gross mass of element, and soil-solidified-agent accounts for the native gross mass of cement and element
0.01-0.02%；
S3. first by cement and the uniform mix of element soil, then with after the uniform mix of soil-solidified-agent, successively process is rolled, health is formed
Soil solidification soil.
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| CN201910510390.XA CN110330289A (en) | 2019-06-13 | 2019-06-13 | A kind of soil-solidified-agent, soil solidification soil and preparation method thereof |
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| CN201910510390.XA CN110330289A (en) | 2019-06-13 | 2019-06-13 | A kind of soil-solidified-agent, soil solidification soil and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111926797A (en) * | 2020-08-21 | 2020-11-13 | 王福州 | Water and soil conservation method |
| CN111978963A (en) * | 2020-08-26 | 2020-11-24 | 安徽茵际源新材料科技有限公司 | Soil solidifying composition, preparation method and application thereof |
| CN113136213A (en) * | 2021-04-22 | 2021-07-20 | 河南省交通规划设计研究院股份有限公司 | Soil stabilizer prepared from bauxite tailings |
| CN113999680A (en) * | 2021-11-08 | 2022-02-01 | 中国科学院兰州化学物理研究所 | Organic polymer saline soil modifier and preparation method thereof |
| CN115838300A (en) * | 2022-12-27 | 2023-03-24 | 湖南楚嘉环保科技有限公司 | Regenerated brick curing agent and application thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111926797A (en) * | 2020-08-21 | 2020-11-13 | 王福州 | Water and soil conservation method |
| CN111978963A (en) * | 2020-08-26 | 2020-11-24 | 安徽茵际源新材料科技有限公司 | Soil solidifying composition, preparation method and application thereof |
| CN113136213A (en) * | 2021-04-22 | 2021-07-20 | 河南省交通规划设计研究院股份有限公司 | Soil stabilizer prepared from bauxite tailings |
| CN113999680A (en) * | 2021-11-08 | 2022-02-01 | 中国科学院兰州化学物理研究所 | Organic polymer saline soil modifier and preparation method thereof |
| CN115838300A (en) * | 2022-12-27 | 2023-03-24 | 湖南楚嘉环保科技有限公司 | Regenerated brick curing agent and application thereof |
| CN115838300B (en) * | 2022-12-27 | 2024-01-30 | 湖南楚嘉环保科技有限公司 | Recycled brick curing agent and application thereof |
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Application publication date: 20191015 |