CN107915459B - Soil stabilizer - Google Patents
Soil stabilizer Download PDFInfo
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- CN107915459B CN107915459B CN201711246685.8A CN201711246685A CN107915459B CN 107915459 B CN107915459 B CN 107915459B CN 201711246685 A CN201711246685 A CN 201711246685A CN 107915459 B CN107915459 B CN 107915459B
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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
- C04B28/14—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 calcium sulfate cements
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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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/04—Heat treatment
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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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/12—Multiple coating or impregnating
-
- 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
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Water Treatment By Sorption (AREA)
- Carbon And Carbon Compounds (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a soil stabilizer, belonging to the technical field of building materials. The method comprises the steps of crushing waste concrete to obtain waste concrete powder; stirring and mixing the waste concrete powder and the calcium alginate solution, and filtering to obtain pretreated waste concrete powder; stirring and mixing activated carbon and a calcium hydroxide saturated solution to obtain a mixed solution, introducing carbon dioxide into the mixed solution, filtering to obtain filter residue, stirring and mixing the obtained filter residue and tetraethoxysilane, filtering, reacting at a high temperature to obtain pretreated coated activated carbon, and ball-milling and mixing the pretreated coated activated carbon and paraffin to obtain modified coated activated carbon; calcining the pretreated waste concrete powder, and cooling to obtain modified waste concrete; stirring and mixing gypsum powder, fly ash, calcined waste concrete, phenolic resin, Arabic gum, water, modified coated activated carbon, a curing agent and a water reducing agent to obtain the soil stabilizer. The soil stabilizer prepared by the technical scheme of the invention has the characteristic of improving the soil strength.
Description
Technical Field
The invention relates to a soil stabilizer, belonging to the technical field of building materials.
Background
The semi-rigid base material has wide material source, low cost, high strength, high rigidity, high stability and high anti-scouring capacity, and is used as the main bearing function of the pavement structure. However, semi-rigid materials have the disadvantages of low deformation resistance, high brittleness, and easy cracking under the change of humidity or temperature, and if excessive water loss or too low temperature occurs during construction, micro cracks or macro cracks are generated in the base layer, and after the surface layer is paved, the cracks in the base layer are developed upwards to form reflection cracks under the repeated action of temperature and vehicle load. The semi-rigid base layer material can fully exert the advantages of the semi-rigid base layer material only on the premise of ensuring the structural integrity of the semi-rigid base layer material, once cracks (drying shrinkage, temperature shrinkage and load fatigue cracking) are generated in the base layer, the semi-rigid base layer loses the structural integrity and the continuity of the semi-rigid base layer, and further, under the combined action of factors such as vehicle load, road surface rainwater infiltration, environment temperature alternate change and the like, the cracks are further expanded, transverse cracks, longitudinal cracks and even local net cracks are gradually developed, and structural damage is finally generated. Scouring forms plate bottom void, crushing and even degrading into granule base layer.
① the dry shrinkage coefficient, dry shrinkage strain and temperature shrinkage coefficient of cement stabilized soil are obviously greater than those of cement stabilized gravel and cement stabilized macadam, serious shrinkage crack is easy to generate and affect asphalt surface layer, ② before the strength is not fully formed, if water permeates from the surface, the cement stabilized soil mixture is easy to soften, even a softening layer of a few millimeters can cause cracking damage of the asphalt surface layer, ③ the anti-scouring capability of the cement stabilized soil is obviously smaller than that of the cement stabilized cement, once surface water permeates into the base layer from the surface layer, scouring phenomenon is easy to generate.
Therefore, how to improve the defect that the traditional soil stabilizer has poor effect of improving the strength of the stabilized soil so as to obtain the soil stabilizer with higher comprehensive performance is a problem to be urgently solved by popularization and application of the soil stabilizer and meeting the industrial production requirement.
Disclosure of Invention
The invention mainly solves the technical problems that: aiming at the defect that the traditional soil stabilizer has poor effect of improving the strength of stabilized soil, the soil stabilizer is provided.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a soil stabilizer is composed of the following raw materials in parts by weight: 20-30 parts of gypsum powder, 10-20 parts of fly ash, 40-50 parts of modified waste concrete, 20-30 parts of phenolic resin, 20-30 parts of Arabic gum, 60-80 parts of water, 20-30 parts of modified coated activated carbon, 5-6 parts of a curing agent, 5-6 parts of a water reducing agent and 10-20 parts of a silane coupling agent;
the preparation process of the soil stabilizer comprises the following steps: weighing the raw materials according to the composition of the raw materials, and stirring and mixing gypsum powder, fly ash, modified waste concrete, phenolic resin, Arabic gum, water, modified coated activated carbon, a curing agent, a water reducing agent and a silane coupling agent to obtain the soil stabilizer.
The preparation process of the modified waste concrete comprises the following steps: crushing the waste concrete to obtain waste concrete powder; mixing waste concrete powder and calcium alginate solution according to a mass ratio of 1: 30-1: 50, stirring, mixing and filtering to obtain pretreated waste concrete powder; calcining the pretreated waste concrete powder, and cooling to obtain modified waste concrete; the preparation process of the calcium alginate liquid comprises the following steps: mixing calcium alginate with water according to a mass ratio of 1: 50-1: 100, mixing, standing, swelling, heating, stirring and mixing to obtain the calcium alginate solution.
The phenolic resin is any one of phenolic resin 2123, phenolic resin 2130 or phenolic resin 2127.
The modification process of the modified coated active carbon comprises the following steps: mixing activated carbon and a calcium hydroxide saturated solution according to a mass ratio of 1: 50-1: 100 to obtain a mixed solution, introducing carbon dioxide into the mixed solution, filtering to obtain filter residue, and mixing the obtained filter residue with ethyl orthosilicate according to a mass ratio of 1: 10-1: 20, stirring and mixing, filtering, reacting at high temperature to obtain pretreated coated activated carbon, and mixing the pretreated coated activated carbon with paraffin according to a mass ratio of 1: 5-1: 10, ball milling and mixing to obtain modified coated active carbon; the calcium hydroxide saturated solution is a calcium hydroxide saturated solution with the temperature of 20-22 ℃.
The curing agent is any one of dihexyltriamine, diethylaminopropylamine or triethylene tetramine.
The water reducing agent is any one of sodium lignosulphonate, a TH-928 polycarboxylic acid water reducing agent or a YZ-1 naphthalene high-efficiency water reducing agent.
The silane coupling agent is any one of a silane coupling agent KH-550, a silane coupling agent KH-560 or a silane coupling agent KH-570.
The invention has the beneficial effects that:
(1) according to the invention, by adding the modified waste concrete, calcium carbonate in the waste concrete reacts to generate calcium oxide in the calcining process, the calcium oxide can react with water to generate calcium hydroxide, then the calcium hydroxide reacts with minerals in soil to generate calcium silicate and calcium aluminate, part of water molecules in soil and water molecules generated by the reaction are absorbed into calcium silicate and calcium aluminate crystal frameworks of the water molecules and the minerals, calcium silicate is generated by the surface chemical reaction of soil particles, and unreacted soil particles can be wrapped by the calcium silicate and are synthesized with adjacent soil particles into a whole, so that the soil strength is obviously improved;
(2) the invention adds modified coated active carbon, firstly, depositing calcium carbonate in the active carbon, then soaking by tetraethoxysilane, reacting water on the surface of the active carbon with tetraethoxysilane to generate silicon dioxide, on one hand, the hydration reaction in the system is promoted to be more sufficient, the compression strength of the system is improved, on the other hand, the silicon dioxide is used as a support body to avoid the modified coated active carbon from being cracked in advance, in the using process, calcium oxide in the modified coated active carbon reacts with water to generate a large amount of calcium hydroxide gelled particles, the specific surface area of the calcium hydroxide gelled particles is larger than that of soil particles, the specific surface area is large, the adsorption activity is very strong, the aggregation effect of the soil particles is promoted, and the pores among the soil particle aggregates are sealed, thereby forming a firm aggregate structure, the strength of the soil is improved, and secondly, the calcium hydroxide is in close contact with silicate minerals in the soil, the silicate mineral is dissociated under the excitation of alkaline conditions and chemically reacts with calcium hydroxide under the participation of water to generate calcium silicate and calcium aluminate, and the two cementing materials with good water stability wrap unreacted soil particles and are integrated with adjacent soil particles, so that the strength of the soil is further enhanced.
Detailed Description
Adding calcium alginate and water into a single-neck flask according to a mass ratio of 1: 50-1: 100, stirring and mixing for 20-30 min by using a glass rod, standing and swelling for 3-4 h, moving the single-neck flask into a digital readout speed measurement constant-temperature magnetic stirrer, heating, stirring and dissolving for 40-50 min under the conditions that the temperature is 95-100 ℃ and the rotating speed is 400-500 r/min to obtain calcium alginate liquid, placing waste concrete into a ball mill, crushing to obtain waste concrete powder, placing the waste concrete powder and the calcium alginate liquid into a No. 1 beaker according to a mass ratio of 1: 30-1: 50, stirring and mixing for 30-50 min under the condition that the rotating speed is 100-200 r/min to obtain concrete powder mixed liquid, filtering the concrete powder mixed liquid to obtain pretreated waste concrete powder, placing the pretreated waste concrete powder into a muffle furnace, calcining for 1-2 h under the condition that the rotating speed is 100-200 r/min, cooling to room temperature to obtain modified concrete, mixing the modified cement, placing the modified cement powder and the modified cement into a carbolic acid formaldehyde resin into a carbolic acid coupling cement slurry, placing the modified cement slurry into a carbolic acid coupling agent into a carbolic resin, stirring furnace, placing the modified cement slurry, stirring slurry, placing the modified cement slurry into a carbolic acid slurry, stirring slurry, placing the slurry, stirring slurry, placing the slurry, stirring slurry, the slurry.
Example 1
Adding calcium alginate and water into a single-neck flask according to the mass ratio of 1: 100, stirring and mixing for 30min by using a glass rod, standing and swelling for 4h, moving the single-neck flask into a digital display speed measurement constant-temperature magnetic stirrer, heating, stirring and dissolving for 50min under the conditions of the temperature of 100 ℃ and the rotation speed of 500r/min to obtain calcium alginate liquid, crushing waste concrete in a ball mill to obtain waste concrete powder, placing the waste concrete powder and the calcium alginate liquid in a No. 1 beaker according to the mass ratio of 1: 50, stirring and mixing for 50min under the condition of the rotation speed of 200r/min to obtain concrete powder mixed liquid, filtering the concrete powder mixed liquid to obtain pretreated waste concrete powder, placing the pretreated waste concrete powder in a muffle furnace, calcining for 2h under the condition of the temperature of 900 ℃, cooling to the room temperature to obtain waste concrete, filtering the waste concrete powder mixed liquid, placing the activated carbon and calcium hydroxide saturated solution in a No. 2 beaker, placing the pretreated waste concrete powder in a No. 2 beaker at the rotation speed of 300 ℃ for 2h, stirring for 2h, placing the furnace to obtain modified cement slurry, adding the modified cement slurry into a modified carbon dioxide slurry, adding the modified carbon into a modified cement slurry, stirring and stirring for reaction, adding the modified cement slurry into a modified cement slurry, adding the slurry obtained by adding the modified cement slurry into a modified cement slurry obtained by adding the modified cement slurry into a modified cement slurry obtained by adding the modified cement slurry obtained by adding the slurry into a modified cement slurry obtained by adding the modified cement slurry into a modified cement slurry obtained by adding the modified cement slurry.
Example 2
Placing activated carbon and a calcium hydroxide saturated solution in a No. 2 beaker according to a mass ratio of 1: 100, stirring and mixing for 50min under the condition that the rotating speed is 300r/min to obtain a mixed solution, continuously introducing carbon dioxide into the mixed solution until no precipitate appears in the mixed solution, filtering the mixed solution into which the carbon dioxide is introduced to obtain filter residue, placing the obtained filter residue and tetraethoxysilane in a No. 3 beaker according to a mass ratio of 1: 20, stirring and mixing for 20min under the condition that the rotating speed is 400r/min to obtain mixed slurry, filtering the mixed slurry to obtain coated activated carbon, placing the coated activated carbon in a tubular furnace, filling nitrogen into the furnace at a speed of 90m L/min, reacting for 3h at a high temperature of 900 ℃ to obtain pretreated coated activated carbon, placing the pretreated coated activated carbon and paraffin in a ball mill according to a mass ratio of 1: 10 to obtain the coated activated carbon, mixing the ball mill with the pretreated coated activated carbon to obtain the coated activated carbon, placing 30 parts by weight of gypsum powder, 20 parts of fly ash, 30 parts of phenolic resin, 30 parts of Arabic gum, 80 parts of water, 30 parts of modified activated carbon, 6 parts of a stabilizer, 6 min of a silane coupling agent, and a phenol formaldehyde resin coupling agent under the condition that the rotating speed is 550-50 ℃ and the phenolic resin coupling agent is sodium hydroxide coupling agent, and the phenolic resin coupling agent is sodium formaldehyde curing agent is sodium lignosulphonate coupling agent, and the phenolic resin coupling agent is 50-50.
Example 3
Adding calcium alginate and water into a single-neck flask according to the mass ratio of 1: 100, stirring and mixing for 30min by using a glass rod, standing and swelling for 4h, moving the single-neck flask into a digital display speed measurement constant-temperature magnetic stirrer, heating, stirring and dissolving for 50min under the conditions of the temperature of 100 ℃ and the rotation speed of 500r/min to obtain calcium alginate liquid, crushing waste concrete in a ball mill to obtain waste concrete powder, placing the waste concrete powder and the calcium alginate liquid in a No. 1 beaker according to the mass ratio of 1: 50, stirring and mixing for 50min under the condition of the rotation speed of 200r/min to obtain concrete powder mixed liquid, filtering the concrete powder mixed liquid to obtain pretreated waste concrete powder, placing the pretreated waste concrete powder in a muffle furnace, calcining for 2h under the temperature of 900 ℃, cooling to room temperature to obtain waste concrete, placing the activated carbon and calcium hydroxide saturated solution in a No. 2 beaker, placing the pretreated waste concrete powder in a muffle furnace at the rotation speed of 300 ℃ for 2h, stirring for 2h, placing the furnace to obtain modified cement slurry, placing the modified cement slurry which is coated with modified carbon dioxide in a modified carbon, placing the slurry which is coated with the modified carbon in a modified carbon dioxide slurry, and adding the slurry which is coated with the modified carbon dioxide slurry, stirring and is coated with the slurry of modified cement, stirring for 20min, and reacting, and the slurry of modified cement, and the slurry of 20 parts of modified cement, and the slurry coated with the slurry of the modified cement, adding the modified cement, the slurry of the modified cement, the slurry of modified cement, the slurry of 20, the slurry of 20, the slurry of 20, the slurry.
Example 4
Mixing calcium alginate with water according to a mass ratio of 1: 100, adding the mixture into a single-neck flask, stirring and mixing the mixture by using a glass rod for 30min, standing and swelling the mixture for 4h, moving the single-neck flask into a digital display speed measurement constant-temperature magnetic stirrer, and heating, stirring and dissolving the mixture for 50min at the temperature of 100 ℃ and the rotating speed of 500r/min to obtain calcium alginate solution; putting the waste concrete into a ball mill for crushing to obtain waste concrete powder; mixing waste concrete powder and calcium alginate solution according to a mass ratio of 1: 50, placing the mixture into a No. 1 beaker, stirring and mixing the mixture for 50min at the rotating speed of 200r/min to obtain a concrete powder mixed solution, and then filtering the concrete powder mixed solution to obtain pretreated waste concrete powder; placing the pretreated waste concrete powder in a muffle furnace, calcining for 2 hours at the temperature of 900 ℃, and cooling to room temperature along with the furnace to obtain modified waste concrete; according to the weight portion, 30 portions of gypsum powder, 20 portions of fly ash, 50 portions of modified waste concrete, 30 portions of phenolic resin, 30 portions of Arabic gum, 80 portions of water, 6 portions of curing agent, 6 portions of water reducing agent and 20 portions of silane coupling agent are placed in a mixer, and are stirred and mixed for 50min under the condition that the rotating speed is 200r/min, so that the soil stabilizer is obtained. The phenolic resin is phenolic resin 2123. The curing agent is dihexyl triamine. The water reducing agent is sodium lignosulphonate. The silane coupling agent is a silane coupling agent KH-550.
Comparative example: a soil stabilizer produced by Shaoyang chemical industry Co.
The soil stabilizers and comparative products obtained in examples 1 to 4 were tested for their performance by the following methods:
soil body strength: detecting the unconfined compressive strength of the soil body after the test piece is used according to GB/T50123; the soil for the test is common Sichuan soil in Nanjing area, and has the following engineering properties: liquid limit WL=34.2%, plasticity index Ip=17.3, optimum water content Wop=15.4%, maximum dry density dd=1.71g/cm3。
Specific detection results are shown in table 1:
TABLE 1
As can be seen from the detection results in Table 1, the soil stabilizer prepared by the technical scheme of the invention has the characteristic of improving the soil strength and has wide prospects in the development of the soil improvement industry.
Claims (5)
1. A soil stabilizer characterized by: the composite material is prepared from the following raw materials in parts by weight: 20-30 parts of gypsum powder, 10-20 parts of fly ash, 40-50 parts of modified waste concrete, 20-30 parts of phenolic resin, 20-30 parts of Arabic gum, 60-80 parts of water, 20-30 parts of modified coated activated carbon, 5-6 parts of a curing agent, 5-6 parts of a water reducing agent and 10-20 parts of a silane coupling agent;
the preparation process of the modified waste concrete comprises the following steps: crushing the waste concrete to obtain waste concrete powder; mixing waste concrete powder and calcium alginate solution according to a mass ratio of 1: 30-1: 50, stirring, mixing and filtering to obtain pretreated waste concrete powder; calcining the pretreated waste concrete powder, and cooling to obtain modified waste concrete; the preparation process of the calcium alginate liquid comprises the following steps: mixing calcium alginate with water according to a mass ratio of 1: 50-1: 100, mixing, standing, swelling, heating, stirring and mixing to obtain calcium alginate solution;
the modification process of the modified coated active carbon comprises the following steps: mixing activated carbon and a calcium hydroxide saturated solution according to a mass ratio of 1: 50-1: 100 to obtain a mixed solution, introducing carbon dioxide into the mixed solution, filtering to obtain filter residue, and mixing the obtained filter residue with ethyl orthosilicate according to a mass ratio of 1: 10-1: 20, stirring and mixing, filtering, reacting at high temperature to obtain pretreated coated activated carbon, and mixing the pretreated coated activated carbon with paraffin according to a mass ratio of 1: 5-1: 10, ball milling and mixing to obtain modified coated active carbon; the calcium hydroxide saturated solution is a calcium hydroxide saturated solution with the temperature of 20-22 ℃;
the preparation process of the soil stabilizer comprises the following steps: weighing the raw materials according to the composition of the raw materials, and stirring and mixing gypsum powder, fly ash, modified waste concrete, phenolic resin, Arabic gum, water, modified coated activated carbon, a curing agent, a water reducing agent and a silane coupling agent to obtain the soil stabilizer.
2. The soil stabilizer of claim 1, wherein: the phenolic resin is any one of phenolic resin 2123, phenolic resin 2130 or phenolic resin 2127.
3. The soil stabilizer of claim 1, wherein: the curing agent is any one of dihexyltriamine, diethylaminopropylamine or triethylene tetramine.
4. The soil stabilizer of claim 1, wherein: the water reducing agent is any one of sodium lignosulphonate, a TH-928 polycarboxylic acid water reducing agent or a YZ-1 naphthalene high-efficiency water reducing agent.
5. The soil stabilizer of claim 1, wherein: the silane coupling agent is any one of a silane coupling agent KH-550, a silane coupling agent KH-560 or a silane coupling agent KH-570.
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| CN107868709A (en) * | 2017-11-03 | 2018-04-03 | 常州市雄图纺织有限公司 | A kind of adhesive sticker cleaning agent |
| CN109305792B (en) * | 2018-08-17 | 2021-03-12 | 水利部交通运输部国家能源局南京水利科学研究院 | Soil curing agent, preparation method and soil curing construction method |
| CN109652081B (en) * | 2019-01-24 | 2020-08-25 | 长江师范学院 | Preparation method of acid soil conditioner |
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|---|---|---|---|---|
| CN101219881A (en) * | 2007-01-08 | 2008-07-16 | 任兆磊 | Phosphogypsum composite material |
| CN103864391A (en) * | 2014-01-16 | 2014-06-18 | 刘洪军 | Efficient soil stabilizer |
| CN104927875A (en) * | 2015-06-30 | 2015-09-23 | 青岛麦科三维高新技术有限公司 | Soil stabilizer |
| CN105524620A (en) * | 2015-12-29 | 2016-04-27 | 吕贵松 | A novel soil stabilizer |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219881A (en) * | 2007-01-08 | 2008-07-16 | 任兆磊 | Phosphogypsum composite material |
| CN103864391A (en) * | 2014-01-16 | 2014-06-18 | 刘洪军 | Efficient soil stabilizer |
| CN104927875A (en) * | 2015-06-30 | 2015-09-23 | 青岛麦科三维高新技术有限公司 | Soil stabilizer |
| CN105524620A (en) * | 2015-12-29 | 2016-04-27 | 吕贵松 | A novel soil stabilizer |
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