CN108358511A - A kind of efficient soil-solidified-agent and preparation method thereof - Google Patents
A kind of efficient soil-solidified-agent and preparation method thereof Download PDFInfo
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- CN108358511A CN108358511A CN201810233721.5A CN201810233721A CN108358511A CN 108358511 A CN108358511 A CN 108358511A CN 201810233721 A CN201810233721 A CN 201810233721A CN 108358511 A CN108358511 A CN 108358511A
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- agent
- solidified
- soil
- temperature
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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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
-
- 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
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to soil-solidified-agent technical fields, more particularly to a kind of efficient soil-solidified-agent and preparation method thereof, wherein soil-solidified-agent includes pitch, binding resin, assisted resin, hardening agent, thickener and water-reducing agent, wherein the pitch is mid temperature pitch, molecular weight is 1,650 1820, and softening point is 72 84 DEG C.Efficient soil-solidified-agent is prepared by way of reasonable preparation each component then heating stirring in the present invention.The present invention has preparation method simple and effective, and the advantage that the soil-solidified-agent of preparation gained is applied widely, solidification effect is good.
Description
Technical field
The invention belongs to soil-solidified-agent technical fields more particularly to a kind of efficient soil-solidified-agent and preparation method thereof.
Background technology
With soil chemical action and physical action can occur for soil-solidified-agent, a degree of bonding be generated, after bonding
Soil compactness increases, and internal binding force is reinforced, bearing power increase, and compression strength increases, and can be used for building highway, water conservancy
The ground in dykes and dams and all kinds of places laying etc..But existing soil-solidified-agent, there is a problem of solidification effect difference mostly,
It is embodied in that anti-pressure ability is poor and erosion resistibility is poor, so being badly in need of a efficient soil-solidified-agent in the market.
Patent publication No. is CN103224370A, and publication date is that the Chinese invention patent of 2013.07.31 discloses a kind of liquid
Powder soil-solidified-agent and its preparation and application comprising liquor, the liquor are pitch sodium sulfonate, inorganic salts, You Jiju
Close object and other surfaces activating agent；Preparation method is then will first by pitch sodium sulfonate and other surfaces activating agent mixed dissolution
Mixing is added in inorganic salts and organic polymer, stirs evenly, is fully reacted at a temperature of 30-60 DEG C；Application method is first by water
Mud is mixed and stirred with original place soil, is then sprayed on above-mentioned soil-solidified-agent on the mixture of cement and original place soil, and turn mixing,
Finally the mixture for turning mixing is paved in ground and rolled.
But that there are preparation manipulations is complicated for the soil-solidified-agent in the patent of invention, and solidification using effect difference is asked
Topic.
Invention content
The object of the present invention is to provide a kind of efficient soil-solidified-agents and preparation method thereof, can pass through reasonable preparation each group
The mode for dividing then heating stirring, is prepared efficient soil-solidified-agent.The present invention has preparation method simple and effective, and
The soil-solidified-agent for preparing gained is applied widely, advantage that solidification effect is good.
The present invention solve the above problems the technical solution adopted is that：A kind of efficient soil-solidified-agent, including pitch bond tree
Fat, assisted resin, hardening agent, thickener and water-reducing agent, wherein the pitch is mid temperature pitch, molecular weight 1650-
1820, softening point is 72-84 DEG C.
In the present invention, the soil-solidified-agent belongs to organic polymer class curing agent, wherein using mid temperature pitch as major ingredient, other
Organic products is auxiliary element, ensures that the soil-solidified-agent is directed to different types of soil, all has preferable solidification effect.
On the other hand, the mid temperature pitch is the higher mid temperature pitch of molecular weight, because when molecular weight is less than 1600, institute
State curing agent and be susceptible to the slow problem for preparing, and when molecular weight is higher than 1850, as hard pitch when, be susceptible to anti-impact
Brush ability is enough, and the problem of anti-pressure ability deficiency.
Further preferred technical solution is：The binding resin includes polyurethane, polyacrylate and asphalt mixtures modified by epoxy resin
One or more mixtures in fat；The assisted resin includes one kind in aniline-furfural, furfuryl alcohol resin and furfural acetone resin
Or a variety of mixtures；The hardening agent includes one or more mixtures in calcium acrylate and Magnesium Acrylate Prepared；The thickening
Agent includes one or more mixtures in polypropylene aniline and polyacrylamide；The water-reducing agent is carboxymethyl cellulose
One or more mixtures in sodium and calcium carboxymethylcellulose.
In the present invention, the binding resin and assisted resin are mainly used for bonding soil particle, are allowed to tend to be solidifying
It is poly-, and the hardening agent and thickener, for so that the electric current on soil micelle surface is relatively low, final guarantee electrolyte concentration to increase
By force so that soil is agglomerated and expanded, mutual blind, and the water-reducing agent in the form of the crystallization water for fixing Free water
Get off, avoid the problem that dehydration softening occurs in soil, coordinate the hardening agent, further increases the antiscour energy after soil solidification
Power.
Further preferred technical solution is by weight percentage, including following components：
Mid temperature pitch, 72-75%；
Polyacrylate, 12-16%；
Furfural acetone resin, 3-9%；
Magnesium Acrylate Prepared, 1.5-3.5%；
Polyacrylamide, 0.5-2.5%；
Calcium carboxymethylcellulose, 0.1-0.5%.
Further preferred technical solution is by weight percentage, including following components：
Mid temperature pitch, 72%；
Polyacrylate, 15%；
Furfural acetone resin, 7%；
Magnesium Acrylate Prepared, 3%；
Polyacrylamide, 2.5%；
Calcium carboxymethylcellulose, 0.5%.
A kind of preparation method of efficient soil-solidified-agent, includes the following steps successively：
S1, the mid temperature pitch is heated in constant temperature heating device, binding resin is added after softening, after stirring evenly, be made solid
Agent is expected；
S2, hardening agent is first added in curing agent expectation, after stirring evenly, heats up and keep constant, adds described auxiliary
Resin is helped, and is stirred evenly, mid-term curing agent is made；
S3, the thickener and water-reducing agent is added in the mid-term curing agent, cools down and keeps constant, finally stirring is equal
It is even；
The efficient soil-solidified-agent is made in S4, cooling down.
In the present invention, mid temperature pitch and binding resin, hardening agent and assisted resin, thickener and water-reducing agent, two-by-two group
Close, three phases divided to prepare curing agent in proper order, compared with the existing technology in it is disposable be all added and mixed mode, have with
Lower advantage：
First so that five kinds of auxiliary elements with mid temperature pitch haptoreaction, ensure to be uniformly mixed successively；
Second, it is guiding that the hardening agent group, which needs furfuryl alcohol structure in the assisted resin, and hardening agent group is effectively combined
On mid temperature pitch；
Third is eventually adding water-reducing agent, avoids the premature contact with the hardening agent, avoids expanding the rear hardening agent
Group combines problem not in place.
Further preferred technical solution is：The temperature of heated constant temperature is 82-86 DEG C in step S1, is heated in step S2
The temperature of constant temperature is 88-91 DEG C, and the temperature of heated constant temperature is 84-87 DEG C in step S3, and the heating temperature in step S3 is not less than
Step S1.
In the present note, for the water-reducing agent when adding stirring, temperature is relatively high, ensures it with quick water swelling
Effect.
Further preferred technical solution is：Step S1, mixing speed is 260-300 revs/min in S2 and S3.
Further preferred technical solution is：Step S1, thermostatic heating method includes metal bath heating in S2 and S3,
And infrared heating.
Further preferred technical solution is：The expectation of curing agent described in step S1 is prepared rear constant temperature and keeps 4-
6h；Mid-term curing agent described in step S2 is prepared rear constant temperature and keeps 1-2h.
Further preferred technical solution is：The velocity interval of cooling down is 5-8 DEG C/min in step S4.
In the present invention, if the very fast cooling of the soil-solidified-agent of higher temperature, it is inhomogenous and anti-to be susceptible to ingredient
The problem of answering group to dissociate again, so the cooling rate of 5-8 DEG C/min, can be effectively ensured finally obtained soil-solidified-agent
With the effective solidification of stabilization.
Efficient soil-solidified-agent is prepared by way of reasonable preparation each component then heating stirring in the present invention.
The present invention has preparation method simple and effective, and prepare gained that soil-solidified-agent is applied widely, solidification effect is good is excellent
Point.
Specific implementation mode
As described below is only presently preferred embodiments of the present invention, non-to be defined to the scope of the present invention.
Embodiment 1
S1,72kg mid temperature pitches are heated in constant temperature infrared heating instrument, heating temperature is 84 DEG C, and 15kg polypropylene is added after softening
After being stirred evenly according to 260 revs/min of speed, curing agent is made it is anticipated that then keeping the temperature 4h in acid esters；
S2,3kg Magnesium Acrylate Prepareds are first added in curing agent expectation, after being stirred evenly according to 260 revs/min of speed, rise
Temperature is to 89 DEG C and keeps constant, and adds 7kg furfural acetone resins, and stir evenly according to 260 revs/min of speed, and mid-term is made
Then curing agent keeps the temperature 2h；
S3,2.5kg polyacrylamides and 0.5kg calcium carboxymethylcelluloses are added in the mid-term curing agent, are cooled to 86
DEG C and keep constant, finally stir evenly；
Efficient soil-solidified-agent 1 is made in S4, the speed cooling down according to 5 DEG C/min.
Embodiment 2
S1,73kg mid temperature pitches are heated in constant temperature infrared heating instrument, heating temperature is 84 DEG C, and 14kg polypropylene is added after softening
After being stirred evenly according to 280 revs/min of speed, curing agent is made it is anticipated that then keeping the temperature 5h in acid esters；
S2,3kg Magnesium Acrylate Prepareds are first added in curing agent expectation, after being stirred evenly according to 280 revs/min of speed, rise
Temperature is to 89 DEG C and keeps constant, and adds 7kg furfural acetone resins, and stir evenly according to 280 revs/min of speed, and mid-term is made
Then curing agent keeps the temperature 1h；
S3,2.5kg polyacrylamides and 0.5kg calcium carboxymethylcelluloses are added in the mid-term curing agent, are cooled to 86
DEG C and keep constant, finally stir evenly；
Efficient soil-solidified-agent 2 is made in S4, the speed cooling down according to 5 DEG C/min.
Embodiment 3
S1,75kg mid temperature pitches are heated in constant temperature infrared heating instrument, heating temperature is 85 DEG C, and 12kg polypropylene is added after softening
After being stirred evenly according to 300 revs/min of speed, curing agent is made it is anticipated that then keeping the temperature 6h in acid esters；
S2,3kg Magnesium Acrylate Prepareds are first added in curing agent expectation, after being stirred evenly according to 300 revs/min of speed, rise
Temperature is to 91 DEG C and keeps constant, and adds 7kg furfural acetone resins, and stir evenly according to 300 revs/min of speed, and mid-term is made
Then curing agent keeps the temperature 1.5h；
S3,2.5kg polyacrylamides and 0.5kg calcium carboxymethylcelluloses are added in the mid-term curing agent, are cooled to 87
DEG C and keep constant, finally stir evenly；
Efficient soil-solidified-agent 3 is made in S4, the speed cooling down according to 8 DEG C/min.
To two tests of above-mentioned 3 embodiments progress " compression rebound modulu " and " erosion resistibility ", test soil
For first, second, the third three groups, 9 groups of data are respectively obtained after cross-over experiment, wherein three groups of soil regimes are as follows：
As can be seen from the above table, wherein the third water content of soil is higher, can be classified as mud class, and Soil Oribatid contains and higher has
Machine matter can be classified as plantation fertile soil, and soil second belongs to balanced soil soil, therefore experimental subjects represents substantially
Common soil type, this test have compared with high-efficiency.
According to existing curing, curing operation is carried out to above three soil sample, solidification carries out resistance to compression after stablizing
The modulus of resilience is tested, as a result as follows：
According to《Bituminous pavement design for highway specification》Regulation, Rebound Modulus of Subgrade should be greater than 30Mpa, according to upper table it may be said that
Bright, the soil-solidified-agent in the present invention can greatly improve soil anti-pressure ability after use, and national standard is fully achieved, this
The above-mentioned soil-solidified-agent for further ensuring the present invention has the advantages that solidification effect is high.
Then, according to existing standard, soil after other solidification is carried out washing away test, test result is as follows：
It can be obtained from upper table, for the soil-solidified-agent in the present invention after curing use, the soil of gained washes away reality in standard
Mass loss rate after testing is controlled 7% hereinafter, ensureing that soil with higher erosion resistibility, is further ensured that in the present invention
Curing agent there is the good and applied widely advantage of ability to cure.
Embodiments of the present invention are explained in detail above, but the present invention is not limited to the above embodiments, in institute
It states technical field those of ordinary skill within the scope of knowledge, can also make without departing from the purpose of the present invention
Various modifications.These are all without creative modification, as long as all by Patent Law in scope of the presently claimed invention
Protection.
Claims (10)
1. a kind of efficient soil-solidified-agent, it is characterised in that：Including pitch, binding resin, assisted resin, hardening agent, thickener,
And water-reducing agent, wherein the pitch is mid temperature pitch, molecular weight 1650-1820, softening point is 72-84 DEG C.
2. a kind of efficient soil-solidified-agent according to claim 1, it is characterised in that：The binding resin includes poly- ammonia
One or more mixtures in ester, polyacrylate and epoxy resin；The assisted resin includes aniline-furfural, furfuryl alcohol resin
One or more mixtures in fat and furfural acetone resin；The hardening agent includes one in calcium acrylate and Magnesium Acrylate Prepared
Kind or a variety of mixtures；The thickener includes one or more mixtures in polypropylene aniline and polyacrylamide；Institute
It is one or more mixtures in sodium carboxymethylcellulose and calcium carboxymethylcellulose to state water-reducing agent.
3. a kind of efficient soil-solidified-agent according to claim 2, it is characterised in that by weight percentage, including with the following group
Point：
Mid temperature pitch, 72-75%；
Polyacrylate, 12-16%；
Furfural acetone resin, 3-9%；
Magnesium Acrylate Prepared, 1.5-3.5%；
Polyacrylamide, 0.5-2.5%；
Calcium carboxymethylcellulose, 0.1-0.5%.
4. a kind of efficient soil-solidified-agent according to claim 2, it is characterised in that by weight percentage, including with the following group
Point：
Mid temperature pitch, 72%；
Polyacrylate, 15%；
Furfural acetone resin, 7%；
Magnesium Acrylate Prepared, 3%；
Polyacrylamide, 2.5%；
Calcium carboxymethylcellulose, 0.5%.
5. a kind of preparation method of efficiently soil-solidified-agent as described in claim 1, it is characterised in that include following step successively
Suddenly：
S1, the mid temperature pitch is heated in constant temperature heating device, binding resin is added after softening, after stirring evenly, be made solid
Agent is expected；
S2, hardening agent is first added in curing agent expectation, after stirring evenly, heats up and keep constant, adds described auxiliary
Resin is helped, and is stirred evenly, mid-term curing agent is made；
S3, the thickener and water-reducing agent is added in the mid-term curing agent, cools down and keeps constant, finally stirring is equal
It is even；
The efficient soil-solidified-agent is made in S4, cooling down.
6. a kind of preparation method of efficient soil-solidified-agent according to claim 5, it is characterised in that：It is heated in step S1
The temperature of constant temperature is 82-86 DEG C, and the temperature of heated constant temperature is 88-91 DEG C in step S2, and the temperature of heated constant temperature is in step S3
84-87 DEG C, the heating temperature in step S3 is not less than step S1.
7. a kind of preparation method of efficient soil-solidified-agent according to claim 5, it is characterised in that：Step S1, S2 with
And mixing speed is 260-300 revs/min in S3.
8. a kind of preparation method of efficient soil-solidified-agent according to claim 5, it is characterised in that：Step S1, S2 with
And thermostatic heating method includes metal bath heating and infrared heating in S3.
9. a kind of preparation method of efficient soil-solidified-agent according to claim 5, it is characterised in that：Described in step S1
Curing agent expectation is prepared rear constant temperature and keeps 4-6h；Mid-term curing agent described in step S2 is prepared rear constant temperature and keeps 1-
2h。
10. a kind of preparation method of efficient soil-solidified-agent according to claim 5, it is characterised in that：It is dropped in step S4
The cooling velocity interval of temperature is 5-8 DEG C/min.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135761A (en) * | 2018-10-12 | 2019-01-04 | 西安同鑫伟业环保科技有限公司 | A kind of environment-friendly novel soil-solidified-agent |
| CN110055083A (en) * | 2019-05-29 | 2019-07-26 | 中科盛联(北京)新材料有限公司 | Polymeric soil curing agent and preparation method thereof |
| CN110819355A (en) * | 2019-11-29 | 2020-02-21 | 北京市首发天人生态景观有限公司 | Soil hardening agent and preparation method thereof |
| CN114316996A (en) * | 2021-12-15 | 2022-04-12 | 佛山市建盈发展有限公司 | Composite curing agent and preparation method thereof |
| CN115536308A (en) * | 2022-11-25 | 2022-12-30 | 江苏集萃功能材料研究所有限公司 | Novel composite soil body stabilizer and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135761A (en) * | 2018-10-12 | 2019-01-04 | 西安同鑫伟业环保科技有限公司 | A kind of environment-friendly novel soil-solidified-agent |
| CN110055083A (en) * | 2019-05-29 | 2019-07-26 | 中科盛联(北京)新材料有限公司 | Polymeric soil curing agent and preparation method thereof |
| CN110819355A (en) * | 2019-11-29 | 2020-02-21 | 北京市首发天人生态景观有限公司 | Soil hardening agent and preparation method thereof |
| CN114316996A (en) * | 2021-12-15 | 2022-04-12 | 佛山市建盈发展有限公司 | Composite curing agent and preparation method thereof |
| CN114316996B (en) * | 2021-12-15 | 2023-10-27 | 佛山市建盈发展有限公司 | Composite curing agent and preparation method thereof |
| CN115536308A (en) * | 2022-11-25 | 2022-12-30 | 江苏集萃功能材料研究所有限公司 | Novel composite soil body stabilizer and preparation method thereof |
| CN115536308B (en) * | 2022-11-25 | 2023-03-10 | 江苏集萃功能材料研究所有限公司 | Novel composite soil body stabilizer and preparation method thereof |
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