CN109626946A - A kind of chlorine oxygen magnesium-based raw-soil curing agent, preparation method and application - Google Patents
A kind of chlorine oxygen magnesium-based raw-soil curing agent, preparation method and application Download PDFInfo
- Publication number
- CN109626946A CN109626946A CN201910027848.6A CN201910027848A CN109626946A CN 109626946 A CN109626946 A CN 109626946A CN 201910027848 A CN201910027848 A CN 201910027848A CN 109626946 A CN109626946 A CN 109626946A
- Authority
- CN
- China
- Prior art keywords
- curing agent
- parts
- soil
- chlorine oxygen
- raw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C04B28/30—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 magnesium cements or similar cements
- C04B28/32—Magnesium oxychloride cements, e.g. Sorel cement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
- B28B1/525—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement containing organic fibres, e.g. wood fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (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
A kind of chlorine oxygen magnesium-based raw-soil curing agent, preparation method and application, the curing agent by weight includes: 100 parts of light-magnesite powder；50 parts~250 parts of magnesium chloride solution；0.1 part~2.0 parts of toughening anti-crack fiber；0.5 part~5.0 parts of reinforcing aids；0.8 part~8.0 parts of water-fast auxiliary agent.The preparation method includes throwing into magnesium oxide solution in blender, and toughening anti-crack fiber, light-magnesite powder, reinforcing aids, water-fast auxiliary agent, stirring a period of time is added.The application includes by weight, take 100 parts of raw-soil and 130 parts~900 parts above-mentioned curing agent, the two is mixed, it is uniformly mixing to obtain solidification sample slurry, then solidification sample slurry is put into mold cured molding, plastic covering film protect tide, 5~65 DEG C of temperature, relative humidity 45%~85% environment in stand maintenance 7d~50d.The curing agent is higher than the solidification intensity of existing curing agent, water-tolerant.
Description
Technical field
The present invention relates to raw-soil solidification field more particularly to a kind of chlorine oxygen magnesium-based raw-soil curing agent, the chlorine oxygen magnesium-based raw-soil
The preparation method and application of curing agent.
Background technique
With the rapid development of the national economy, construction industry is greatly improved, high-rise, super high-rise building is increasingly
More, after there is building foundation excavation unordered stacking problems of the earthwork, thus bring that the recycling rate of the earthwork is low, environmental pollution
Greatly, the adverse consequences of land resource waste.It can also property and personal safety band to people if this problem cannot be handled preferably
It threatens, therefore, the raw-soil solidifies and Utilizing question becomes the focus that people pay high attention to.
Traditional raw-soil curing agent mostly uses greatly the inorganic coagulation materials such as cement, lime or gypsum, but cement, lime production
Process can release a large amount of air pollutants, and energy consumption is high, the feature of environmental protection is poor, and with cement, the cured raw-soil of lime, intensity compared with
Low, poor water resistance.Make the curing agent solidification raw-soil with gypsum, not only intensity is low, poor water resistance but also volume stability are also bad.
Summary of the invention
The object of the present invention is to provide a kind of chlorine oxygen magnesium-based raw-soil curing agent, to solve using cement, lime or gypsum etc.
Inorganic coagulation material solidify existing for the raw-soil that intensity is low, poor water resistance, energy consumption are high and not environmentally the problem of.
In order to achieve the above object, The technical solution adopted by the invention is as follows:
A kind of chlorine oxygen magnesium-based raw-soil curing agent, by weight, which includes:
100 parts of light-magnesite powder；50 parts~250 parts of magnesium chloride solution；
0.1 part~2.0 parts of toughening anti-crack fiber；0.5 part~5.0 parts of reinforcing aids；
0.8 part~8.0 parts of water-fast auxiliary agent；
The density of the magnesium chloride solution is 0.98~1.36g/cm3。
Preferably, by weight, which includes:
100 parts of light-magnesite powder；50 parts~250 parts of magnesium chloride solution；
0.5 part~1.5 parts of toughening anti-crack fiber；1.2 parts~2.5 parts of reinforcing aids；
1.2 parts~3.0 parts of water-fast auxiliary agent；
The density of the magnesium chloride solution is 0.98~1.36g/cm3。
Preferably, the toughening anti-crack fiber is the organic fiber or inorfil of 3~20mm long.The organic fiber is excellent
Select polypropylene fibre, polyethylene fibre or vinal, the preferred basalt mineral fiber of the inorfil, steel fibre or
Glass fibre.
Preferably, the reinforcing aids is by phosphoric acid, sodium dihydrogen phosphate, potassium dihydrogen phosphate, citric acid and citrate group
At substance group at least two substances compound.
Preferably, the water-fast auxiliary agent is ferrous sulfate, acrylic emulsion, polyacrylamide, styrene-acrylic emulsion or polyethylene
Alcoholic solution.
The present invention also provides a kind of preparation method of chlorine oxygen magnesium-based raw-soil curing agent, the preparation method includes following step
It is rapid: to stock up in ratio described in above-mentioned any one；Magnesium chloride solution is thrown into blender, toughening anti-crack fiber, light-burned is added
Magnesia powder, reinforcing aids, water-fast auxiliary agent, stirring a period of time, to get chlorine oxygen magnesium-based raw-soil curing agent after reaction.
The present invention also provides a kind of applications of chlorine oxygen magnesium-based raw-soil curing agent comprising: by weight, take 100 parts of lifes
Chlorine oxygen magnesium-based raw-soil curing agent described in soil and 130 parts~900 parts above-mentioned any one, the two is mixed, is uniformly mixing to obtain
Then solidification sample slurry is put into mold cured molding by solidification sample slurry, plastic covering film protects tide, in 5~65 DEG C of temperature, relatively
Maintenance 4d~45d is stood in the environment of humidity 45%~85%.
Compared with prior art, the present invention at least has the advantages that
Raw-soil solidification intensity height, water-tolerant.Through testing, the raw-soil is solidified using raw-soil curing agent of the present invention, it is each to conserve age
The compression strength of phase significantly larger than uses existing raw-soil curing agent, and up to 10~20 times, and resistance to compression coefficient of softing is reachable
0.80 or more.
Low energy consumption, is good for the environment.Raw materials light-magnesite powder production process calcination temperature of the present invention be 750~
850 DEG C, and the firing temperature of traditional raw-soil curing agent raw materials clinker is 1000~1450 DEG C, the firing temperature of lime
Degree is 900~1100 DEG C, therefore has power savings advantages in terms of raw material production and processing.Another kind raw material chlorine used in the present invention
Changing magnesium, there are two types of production technologies to produce, the first production technology is the crystalline wafer that brine is obtained with cooking process, second of production work
Skill is that hydrogen chloride is got with magnesia powder reaction, reactive chemistry formula are as follows: 2HCL+MgO=MgCL2+H2O, both methods all have
The useless environment-friendly advantage of benefit.In process of production, no waste water, exhaust gas discharge, meets state at useless quarrel to chlorine oxygen magnesium-based raw-soil curing agent of the present invention
Family's environment protection requirement.
Specific embodiment
Chlorine oxygen magnesium-based raw-soil curing agent of the present invention is to mix and stir liquid with magnesium chloride solution, adds using light-magnesite powder as base-material
Suitable toughening anti-crack fiber, reinforcing aids and water-fast auxiliary agent is added to obtain.It not only solves strong existing for traditional raw-soil curing agent
The technical issues of spending low, poor water resistance, and raw material production energy consumption is low, is good for the environment.Its reaction equation are as follows:
MgO+MgCl2+H2O=2Mg (OH) CL
Embodiment 1:
A kind of chlorine oxygen magnesium-based raw-soil curing agent, by weight, which includes: light-magnesite powder
100 parts, density 1.15g/cm3(weight ratio is for 67 parts of magnesium chloride solution, 0.5 part of vinal, phosphoric acid and sodium dihydrogen phosphate
1:1) 1.5 parts, 1.5 parts of ferrous sulfate.
Preparation process: it stocks up according to the above ratio；Magnesium chloride solution is thrown into blender, vinal is added and (increases
Tough anti-crack fiber) and phosphoric acid and sodium dihydrogen phosphate (reinforcing aids), 2min is stirred, light-magnesite powder is added, stirs 3min,
It is eventually adding ferrous sulfate (water-fast auxiliary agent), stirs 2min to get chlorine oxygen magnesium-based raw-soil curing agent.
Raw-soil solidification: by weight, 20 parts of raw-soil are taken, it is mixed that blender is added in 170 parts of above-mentioned chlorine oxygen magnesium-based raw-soil curing agent
It closes, stirs 4min, obtain solidification sample slurry；Solidification sample slurry is put into tri- joint-trial mould of 40mm*40mm*160mm, 60s is vibrated,
Surface strikes off, plastic covering film protect tide, temperature control in 58 DEG C, the environment of relative humidity 85% static maintenance 7d, 14d,
21d、28d。
Sample testing: intensity test, tetra- breeding length of service as a nurse of 7d, 14d, 21d, 28d are carried out to raw-soil solidification sample test block
The compression strength of the test block of phase is respectively 46.42Mpa, 47.18Mpa, 49.23Mpa, 52.15Mpa, the examination to 7d curing age
It is 39.92Mpa that block immersion 7d tests compression strength again, and it is 0.86 that resistance to compression coefficient of softing, which is calculated,.
Embodiment 2:
A kind of chlorine oxygen magnesium-based raw-soil curing agent, by weight, which includes: light-magnesite powder
100 parts, density 1.15g/cm379.5 parts of magnesium chloride solution, 0.6 part of vinal, citric acid and sodium dihydrogen phosphate (weight
Than for 1.3 parts of 1:1), 1.3 parts of ferrous sulfate.
Preparation process: it stocks up according to the above ratio；Magnesium chloride solution is thrown into blender, vinal is added and (increases
Tough anti-crack fiber) and citric acid and sodium dihydrogen phosphate (reinforcing aids), 3min is stirred, light-magnesite powder is added, is stirred
3min is eventually adding ferrous sulfate (water-fast auxiliary agent), stirs 2min to get chlorine oxygen magnesium-based raw-soil curing agent.
Raw-soil solidification: by weight, 60 parts of raw-soil are taken, it is mixed that blender is added in 183 parts of above-mentioned chlorine oxygen magnesium-based raw-soil curing agent
It closes, stirs 4min, obtain solidification sample slurry；Solidification sample slurry is put into tri- joint-trial mould of 40mm*40mm*160mm, 60s is vibrated,
Surface strikes off, plastic covering film protect tide, temperature control in 48 DEG C, the environment of relative humidity 70% static maintenance 7d, 14d,
21d。
Sample testing: carrying out intensity test to raw-soil solidification sample test block, tri- kinds of curing ages of 7d, 14d, 21d
The compression strength of test block is respectively 28.42Mpa, 34.65Mpa, 39.34Mpa, soaks 14d again to the test block of 14d curing age
Test compression strength is 27.88Mpa, and it is 0.80 that resistance to compression coefficient of softing, which is calculated,.
Embodiment 3:
A kind of chlorine oxygen magnesium-based raw-soil curing agent, by weight, which includes: light-magnesite powder
100 parts, density 1.15g/cm394 parts of magnesium chloride solution, 0.7 part of vinal, citric acid and sodium dihydrogen phosphate (weight ratio
For 2.0 parts of 1:1), 2.0 parts of ferrous sulfate.
Preparation process: it stocks up according to the above ratio；Chloric acid magnesium solution is thrown into blender, vinal is added and (increases
Tough anti-crack fiber) and citric acid and sodium dihydrogen phosphate (reinforcing aids), 3min is stirred, light-magnesite powder is added, is stirred
3min is eventually adding ferrous sulfate (water-fast auxiliary agent), stirs 2min to get chlorine oxygen magnesium-based raw-soil curing agent.
Raw-soil solidification: by weight, 90 parts of raw-soil are taken, it is mixed that blender is added in 198 parts of above-mentioned chlorine oxygen magnesium-based raw-soil curing agent
It closes, stirs 4min, obtain solidification sample slurry；Solidification sample slurry is put into tri- joint-trial mould of 40mm*40mm*160mm, 60s is vibrated,
Surface strikes off, plastic covering film protect tide, temperature control in 38 DEG C, the environment of relative humidity 70% static maintenance 7d, 14d,
21d。
Sample testing: carrying out intensity test to raw-soil solidification sample test block, tri- kinds of curing ages of 7d, 14d, 21d
The compression strength of test block is respectively 23.80Mpa, 28.22Mpa, 30.55Mpa, soaks 21d again to the test block of 21d curing age
Test compression strength is 26.18Mpa, and it is 0.86 that resistance to compression coefficient of softing, which is calculated,.
Embodiment 4:
A kind of chlorine oxygen magnesium-based raw-soil curing agent, by weight, which includes: light-magnesite powder
100 parts, density 1.15g/cm3106 parts of magnesium chloride solution, 0.8 part of vinal, citric acid and sodium dihydrogen phosphate (weight
Than for 1.8 parts of 1:1), 1.8 parts of ferrous sulfate.
Preparation process: it stocks up according to the above ratio；Magnesium chloride solution is thrown into blender, vinal is added and (increases
Tough anti-crack fiber) and citric acid and sodium dihydrogen phosphate (reinforcing aids), 2min is stirred, light-magnesite powder is added, is stirred
3min is eventually adding ferrous sulfate (water-fast auxiliary agent), stirs 2min to get chlorine oxygen magnesium-based raw-soil curing agent.
Raw-soil solidification: by weight, 120 parts of raw-soil are taken, blender is added in 210 parts of above-mentioned chlorine oxygen magnesium-based raw-soil curing agent
6min is stirred in mixing, obtains solidification sample slurry；Solidification sample slurry is put into tri- joint-trial mould of 40mm*40mm*160mm, is vibrated
60s, surface strike off, plastic covering film protect tide, temperature control in 30 DEG C, the environment of relative humidity 60% static maintenance 7d,
14d、21d、28d。
Sample testing: intensity test, tetra- breeding length of service as a nurse of 7d, 14d, 21d, 28d are carried out to raw-soil solidification sample test block
The compression strength of the test block of phase is respectively 20.42Mpa, 22.18Mpa, 24.52Mpa, 25.19Mpa, the examination to 28d curing age
It is 21.22Mpa that block immersion 28d tests compression strength again, and it is 0.84 that resistance to compression coefficient of softing, which is calculated,.
Embodiment 5:
A kind of chlorine oxygen magnesium-based raw-soil curing agent, by weight, which includes: light-magnesite powder
100 parts, density 1.15g/cm3110.8 parts of magnesium chloride solution, 1.0 parts of vinal, sodium citrate and phosphoric acid (weight ratio
For 2.0 parts of 1:1), 2.0 parts of ferrous sulfate.
Preparation process: it stocks up according to the above ratio；Magnesium chloride solution is thrown into blender, light-magnesite powder and lemon is added
Lemon acid sodium and phosphoric acid (reinforcing aids) stir 3min, add vinal (toughening anti-crack fiber) and ferrous sulfate is (resistance to
Water auxiliary agent), 5min is stirred to get chlorine oxygen magnesium-based raw-soil curing agent.
Raw-soil solidification: by weight, 150 parts of raw-soil are taken, blender is added in 215 parts of above-mentioned chlorine oxygen magnesium-based raw-soil curing agent
6min is stirred in mixing, obtains solidification sample slurry；Solidification sample slurry is put into tri- joint-trial mould of 40mm*40mm*160mm, is vibrated
60s, surface strike off, plastic covering film protect tide, temperature control in 45 DEG C, the environment of relative humidity 67% static maintenance 7d,
14d、21d、28d。
Sample testing: intensity test, tetra- breeding length of service as a nurse of 7d, 14d, 21d, 28d are carried out to raw-soil solidification sample test block
The compression strength of the test block of phase is respectively 18.29Mpa, 20.05Mpa, 22.29Mpa, 23.34Mpa, the examination to 28d curing age
It is 19.22Mpa that block immersion 28d tests compression strength again, and it is 0.82 that resistance to compression coefficient of softing, which is calculated,.
Embodiment 6:
A kind of chlorine oxygen magnesium-based raw-soil curing agent, by weight, which includes: light-magnesite powder
120 parts, density 1.15g/cm3158 parts of magnesium chloride solution, 0.85 part of 6mm polypropylene fibre, citric acid and sodium dihydrogen phosphate (weight
Amount is than being 1.8 parts, 1.3 parts of acrylic emulsion of 1:1).
Preparation process: it stocks up according to the above ratio；Magnesium chloride solution is thrown into blender, polypropylene fibre (toughening is added
Anti-crack fiber) and citric acid and sodium dihydrogen phosphate (reinforcing aids), 2min is stirred, light-magnesite powder is added, stirs 3min,
It is eventually adding acrylic emulsion (water-fast auxiliary agent), stirs 2min to get chlorine oxygen magnesium-based raw-soil curing agent.
Raw-soil solidification: by weight, 130 parts of raw-soil are taken, blender is added in 282 parts of above-mentioned chlorine oxygen magnesium-based raw-soil curing agent
6min is stirred in mixing, obtains solidification sample slurry；Solidification sample slurry is put into tri- joint-trial mould of 40mm*40mm*160mm, is vibrated
70s, surface strike off, plastic covering film protect tide, temperature control in 38 DEG C, the environment of relative humidity 63% static maintenance 7d,
14d、21d、28d。
Sample testing: intensity test, tetra- breeding length of service as a nurse of 7d, 14d, 21d, 28d are carried out to raw-soil solidification sample test block
The compression strength of the test block of phase is respectively 18.50Mpa, 20.77Mpa, 23.96Mpa, 24.64Mpa, the examination to 28d curing age
It is 20.01Mpa that block immersion 28d tests compression strength again, and it is 0.81 that resistance to compression coefficient of softing, which is calculated,.
Embodiment 7:
A kind of chlorine oxygen magnesium-based raw-soil curing agent, by weight, which includes: light-magnesite powder
120 parts, density 1.15g/cm3250 parts of magnesium chloride solution, 1.5 parts of 6mm basalt fibre, sodium citrate and potassium dihydrogen phosphate (weight
Amount is than being 1.65 parts, 1.35 parts of polyacrylamide of 1:1).
Preparation process: it stocks up according to the above ratio；Magnesium chloride solution is thrown into blender, basalt fibre and lemon is added
Sour sodium and potassium dihydrogen phosphate (reinforcing aids) stir 2min, add light-magnesite powder and polyacrylamide (water-fast auxiliary agent),
4min is stirred to get chlorine oxygen magnesium-based raw-soil curing agent.
Raw-soil solidification: by weight, 150 parts of raw-soil are taken, blender is added in 274 parts of above-mentioned chlorine oxygen magnesium-based raw-soil curing agent
5min is stirred in mixing, obtains solidification sample slurry；Solidification sample slurry is put into tri- joint-trial mould of 40mm*40mm*160mm, is vibrated
60s, surface strike off, plastic covering film protect tide, temperature control in 33 DEG C, the environment of relative humidity 80% static maintenance 7d,
14d、21d、50d。
Sample testing: intensity test, tetra- breeding length of service as a nurse of 7d, 14d, 21d, 50d are carried out to raw-soil solidification sample test block
The compression strength of the test block of phase is respectively 12.67Mpa, 15.29Mpa, 15.87Mpa, 18.96Mpa, the examination to 50d curing age
It is 15.50Mpa that block immersion 50d tests compression strength again, and it is 0.82 that resistance to compression coefficient of softing, which is calculated,.
Light-magnesite powder of the invention is magnesium carbonate (MgCO3) ground through 750~850 DEG C of calcination, it is that magnesite produces
The general main raw material(s) of product, can make by oneself, also commercially available.It tests light-magnesite powder used and is purchased from Haicheng snowy peak
Mei Ye Co., Ltd, model: HF-85.
Magnesium chloride solution can be obtained by two kinds of production technologies.The first production technology is the knot that brine is obtained with cooking process
Chip is dissolved in water, and second of production technology is that hydrogen chloride is got with magnesia powder reaction, reactive chemistry formula are as follows: 2HCL+MgO=
MgCL2+H2O, both methods all have the useless environment-friendly advantage of benefit.
Comparative example 1:
A kind of cement base raw-soil curing agent, by weight, by 100 parts of 325# ordinary portland cements, 17 parts of polyacrylamides
Amine, 1.0 parts of glass fibres, 0.6 part of FDN water-reducing agent, 120 parts of water mixing, stirrings are made.
Blender is added in 130 parts of raw-soil and 238 parts of above-mentioned cement base raw-soil curing agent to mix, stirs 6min, consolidate
Change sample slurry, solidification sample slurry is put into tri- joint-trial mould of 40mm*40mm*160mm, 65s is vibrated, surface strikes off, plastic covering
Film protects tide, temperature control static maintenance 7d, 14d, 21d, 28d in 40 DEG C, the environment of relative humidity 63%.
Sample testing: intensity test, tetra- breeding length of service as a nurse of 7d, 14d, 21d, 28d are carried out to raw-soil solidification sample test block
The compression strength of the test block of phase is respectively 2.65Mpa, 3.90Mpa, 4.33Mpa, 4.92Mpa, is soaked to the test block of 28d curing age
It is 3.2Mpa that water 28d tests compression strength again, and it is 0.65 that resistance to compression coefficient of softing, which is calculated,.
Comparative example 2:
A kind of lime, gypsum base raw-soil curing agent, by weight, by 100 parts of pulverized limestones, 30 parts of land plasters, 12 parts of water glass
Glass, 0.60 part of PVA fiber, 131 parts of water mixing, stirrings are made.
150 parts of raw-soil and 273 parts of above-mentioned lime, gypsum base raw-soil curing agent are added blender and mixed, 5min is stirred, obtains
To solidification sample slurry；Solidification sample slurry is put into tri- joint-trial mould of 40mm*40mm*160mm, 60s is vibrated, surface strikes off, and covers
Plastic film protects tide, temperature control static maintenance 7d, 14d, 21d, 28d in 35 DEG C, the environment of relative humidity 80%.
Sample testing: intensity test, tetra- breeding length of service as a nurse of 7d, 14d, 21d, 28d are carried out to raw-soil solidification sample test block
The compression strength of the test block of phase is respectively 0.87Mpa, 1.83Mpa, 2.12Mpa, 2.38Mpa, is soaked to the test block of 28d curing age
It is 1.33Mpa that water 28d tests compression strength again, and it is 0.56 that resistance to compression coefficient of softing, which is calculated,.
In order to more intuitively illustrate the effect of different raw-soil curing agent, now by the embodiment of the present invention 1 and comparative example 1, implementation
The test data list of example 6 and comparative example 2 compares, and the results are shown in Table 1.
Table 1: different raw-soil curing agent performance comparisons
As can be seen from Table 1, the cured raw soil material of chlorine oxygen magnesium-based raw-soil curing agent of the present invention, the resistance to compression of each curing age
Intensity reaches about 10~20 times of comparative example, and water-fast coefficient of softing reaches about 1.32~1.45 times of comparative example, it is seen that the raw-soil of the present invention
Curing agent is obviously improved in the more traditional raw-soil curing agent of intensity, water-fast aspect.
Above by specific embodiment, invention is explained in detail, these detailed description are only limited to help
Those skilled in the art understand that the contents of the present invention, can not be interpreted as limiting the scope of the invention.Art technology
Personnel should be included in protection model of the invention to various retouchings, the equivalent transformation etc. that above scheme carries out under present inventive concept
In enclosing.
Claims (10)
1. a kind of chlorine oxygen magnesium-based raw-soil curing agent, which is characterized in that by weight, which includes:
The density of the magnesium chloride solution is 0.98~1.36g/cm3。
2. chlorine oxygen magnesium-based raw-soil curing agent according to claim 1, which is characterized in that by weight, the chlorine oxygen magnesium-based is raw
Soil consolidator includes:
The density of the magnesium chloride solution is 0.98~1.36g/cm3。
3. chlorine oxygen magnesium-based raw-soil curing agent according to claim 1, which is characterized in that the toughening anti-crack fiber be 3~
The organic fiber or inorfil of 20mm long.
4. chlorine oxygen magnesium-based raw-soil curing agent according to claim 3, which is characterized in that the preferred polypropylene of organic fiber
Fiber, polyethylene fibre or vinal, the inorfil are basalt mineral fiber, steel fibre or glass fibre.
5. chlorine oxygen magnesium-based raw-soil curing agent according to claim 1, which is characterized in that the reinforcing aids be by phosphoric acid,
The compound at least two substances in substance group that sodium dihydrogen phosphate, potassium dihydrogen phosphate, citric acid and citrate form.
6. chlorine oxygen magnesium-based raw-soil curing agent according to claim 1, which is characterized in that the water-fast auxiliary agent is that sulfuric acid is sub-
Iron, acrylic emulsion, polyacrylamide, styrene-acrylic emulsion or poly-vinyl alcohol solution.
7. a kind of preparation method of chlorine oxygen magnesium-based raw-soil curing agent, which is characterized in that the preparation method comprises the following steps:
It stocks up in ratio described in any one of claim 1 to 6；
Magnesium chloride solution is thrown into blender, toughening anti-crack fiber, light-magnesite powder, reinforcing aids, water-fast auxiliary agent is added,
Stirring a period of time, to get chlorine oxygen magnesium-based raw-soil curing agent after reaction.
8. the preparation method of chlorine oxygen magnesium-based raw-soil curing agent according to claim 7, which is characterized in that the reaction it is anti-
Answer formula are as follows:
MgO+MgCl2+H2O=2Mg (OH) CL.
9. the preparation method of chlorine oxygen magnesium-based raw-soil curing agent according to claim 7, which is characterized in that the magnesium chloride is molten
Liquid is dissolved in water by brine with the crystalline wafer that cooking process obtains obtained.
10. a kind of application of chlorine oxygen magnesium-based raw-soil curing agent characterized by comprising by weight, take 100 parts of raw-soil and 130
Chlorine oxygen magnesium-based raw-soil curing agent, the two is mixed, is stirred evenly described in any one of part~900 parts of claims 1 to 6
To solidification sample slurry, solidification sample slurry is then put into mold cured molding, plastic covering film protects tide, in 5~65 DEG C of temperature, phase
7d~50d is conserved to standing in the environment of humidity 45%~85%.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019100069955 | 2019-01-04 | ||
| CN201910006995 | 2019-01-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109626946A true CN109626946A (en) | 2019-04-16 |
Family
ID=66061777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910027848.6A Pending CN109626946A (en) | 2019-01-04 | 2019-01-11 | A kind of chlorine oxygen magnesium-based raw-soil curing agent, preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109626946A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112299812A (en) * | 2020-11-04 | 2021-02-02 | 中国科学院合肥物质科学研究院 | A kind of magnesium-based lightweight fireproof inorganic cementitious material and preparation method thereof |
| CN113860792A (en) * | 2021-10-12 | 2021-12-31 | 中国水利水电第七工程局有限公司 | Magnesium oxychloride cement modifier and preparation method thereof and magnesium oxychloride cement |
| CN114409370A (en) * | 2022-02-28 | 2022-04-29 | 纳思同(无锡)科技发展有限公司 | High-water-resistance magnesium oxychloride-based road base layer soil curing material and preparation method thereof |
| CN114524659A (en) * | 2022-03-11 | 2022-05-24 | 镁鑫建筑科技有限公司 | Magnesium oxychloride base soil curing agent and application thereof |
| CN114956770A (en) * | 2022-05-10 | 2022-08-30 | 上海申环环境工程有限公司 | High-performance non-calcium-based engineering muck curing agent and engineering muck curing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005154735A (en) * | 2003-11-07 | 2005-06-16 | Matsuda Giken Kogyo Kk | Soil solidification agent, soil pavement material and soil paving process |
| CN105272098A (en) * | 2015-11-18 | 2016-01-27 | 上海唐盾材料科技有限公司 | Composite inorganic hydrous salt phase-change material and preparation method of inorganic composite phase-change plate |
| CN105884321A (en) * | 2016-04-19 | 2016-08-24 | 广东晶盈环保建材实业有限公司 | Method for improving quality of magnesium oxychloride wall |
-
2019
- 2019-01-11 CN CN201910027848.6A patent/CN109626946A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005154735A (en) * | 2003-11-07 | 2005-06-16 | Matsuda Giken Kogyo Kk | Soil solidification agent, soil pavement material and soil paving process |
| CN105272098A (en) * | 2015-11-18 | 2016-01-27 | 上海唐盾材料科技有限公司 | Composite inorganic hydrous salt phase-change material and preparation method of inorganic composite phase-change plate |
| CN105884321A (en) * | 2016-04-19 | 2016-08-24 | 广东晶盈环保建材实业有限公司 | Method for improving quality of magnesium oxychloride wall |
Non-Patent Citations (3)
| Title |
|---|
| 中国菱镁行业协会 组编: "《镁质胶凝材料及制品技术》", 31 January 2006, 中国建材工业出版社 * |
| 王禹阶 主编: "《玻璃钢与复合材料的生产及应用》", 30 November 2005, 合肥工业大学出版社 * |
| 肖学英 等: "原料配比对氯氧镁水泥固化砾石土干密度的影响", 《盐湖研究》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112299812A (en) * | 2020-11-04 | 2021-02-02 | 中国科学院合肥物质科学研究院 | A kind of magnesium-based lightweight fireproof inorganic cementitious material and preparation method thereof |
| CN113860792A (en) * | 2021-10-12 | 2021-12-31 | 中国水利水电第七工程局有限公司 | Magnesium oxychloride cement modifier and preparation method thereof and magnesium oxychloride cement |
| CN114409370A (en) * | 2022-02-28 | 2022-04-29 | 纳思同(无锡)科技发展有限公司 | High-water-resistance magnesium oxychloride-based road base layer soil curing material and preparation method thereof |
| CN114524659A (en) * | 2022-03-11 | 2022-05-24 | 镁鑫建筑科技有限公司 | Magnesium oxychloride base soil curing agent and application thereof |
| CN114956770A (en) * | 2022-05-10 | 2022-08-30 | 上海申环环境工程有限公司 | High-performance non-calcium-based engineering muck curing agent and engineering muck curing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109626946A (en) | A kind of chlorine oxygen magnesium-based raw-soil curing agent, preparation method and application | |
| Dai et al. | Stability of steel slag as fine aggregate and its application in 3D printing materials | |
| CN105645901B (en) | Light thermal-insulation sheet material prepared with construction refuse regenerated fine powder and preparation method thereof | |
| CN111153646A (en) | A seawater sea sand concrete material for 3D printing | |
| CN102775106A (en) | Recyclable red brick sand premixed dry mortar and manufacturing method thereof | |
| CN108558295A (en) | A kind of light-high-strength concrete | |
| Ismail et al. | Effect of vinyl acetate effluent in reducing heat of hydration of concrete | |
| CN113387620A (en) | Solidified dredged sludge block based on alkali-activated cementing material and preparation method thereof | |
| CN106320597A (en) | Fabricated light heat insulation wallboard for buildings and preparing technology | |
| CN103922686B (en) | A kind of ardealite waste plastics slag materials for wall and preparation method | |
| CN103467060A (en) | Bayer-process red mud foamed concrete blocking block and preparation method thereof | |
| CN109534773A (en) | A kind of modified flying dust building latex material, mortar, concrete and preparation method | |
| CN103803919A (en) | Polystyrene light energy-saving concrete block and preparation method thereof | |
| CN108069665A (en) | A kind of graphene concrete and its preparation process | |
| CN108503285A (en) | A kind of preparation method of light-high-strength concrete | |
| CN103951356A (en) | Method for preparing lightweight building block by using foam glass waste material | |
| CN105198324B (en) | A kind of self-compacting concrete containing Bayer process red mud and preparation method thereof | |
| CN113929382A (en) | Full-solid waste aggregate ultrahigh-strength concrete and preparation method thereof | |
| CN105731965A (en) | Production method for lightweight aggregate for concrete | |
| CN111116159B (en) | Phosphogypsum steel pipe concrete and preparation method thereof | |
| CN101492274A (en) | Titanium gypsum dry mixed mortar | |
| CN110423054A (en) | The anti-folding durable cement based composites of the fiber containing PP | |
| CN103771782A (en) | Porous concrete prepared from waste concrete aggregate and preparation method thereof | |
| CN106673554A (en) | Waste-recycling lightweight partition board and preparation method thereof | |
| CN109437699A (en) | A method of using composite compaction technique and slag, coal ash for manufacturing for cementitious material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |