WO2025018331A1 - Procédé pour produire un produit solidifié de sol - Google Patents

Procédé pour produire un produit solidifié de sol Download PDF

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Publication number
WO2025018331A1
WO2025018331A1 PCT/JP2024/025459 JP2024025459W WO2025018331A1 WO 2025018331 A1 WO2025018331 A1 WO 2025018331A1 JP 2024025459 W JP2024025459 W JP 2024025459W WO 2025018331 A1 WO2025018331 A1 WO 2025018331A1
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WO
WIPO (PCT)
Prior art keywords
clay
producing
soil
cement
freeze
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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.)
Ceased
Application number
PCT/JP2024/025459
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English (en)
Japanese (ja)
Inventor
英明 蜂谷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eiken Co Ltd
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Eiken Co Ltd
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Filing date
Publication date
Application filed by Eiken Co Ltd filed Critical Eiken Co Ltd
Priority to JP2025534058A priority Critical patent/JPWO2025018331A1/ja
Publication of WO2025018331A1 publication Critical patent/WO2025018331A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04—Supplying or proportioning the ingredients
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/10—Clay
    • 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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/30—Mixed waste; Waste of undefined composition
    • 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
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators or shrinkage compensating agents
    • C04B22/06—Oxides, Hydroxides
    • 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
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators or shrinkage compensating agents
    • C04B22/08—Acids or salts thereof
    • C04B22/12—Acids or salts thereof containing halogen in the anion
    • 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
    • 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
    • C09K17/02—Soil-conditioning materials or soil-stabilising materials containing inorganic compounds only
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C1/00—Building elements of block or other shape for the construction of parts of buildings

Definitions

  • the present invention relates to a method for producing a soil solidification product.
  • bricks used as building materials are made by kneading and pressing natural viscous soil (clay soil (clay)), drying it to a certain extent, and then firing it.
  • natural viscous soil clay soil (clay)
  • the present invention was made in consideration of these circumstances, and aims to provide a method for producing solidified soil products that allows for good mixing of cement with clay.
  • a method for producing a soil solidification product comprises the steps of: A method for producing a solidified soil product formed by solidifying clay, cement, and a predetermined material into a predetermined shape, comprising: A first step of forming the clay into a paste using a liquid silica-based inorganic reinforcing admixture; A second step of mixing the cement and the predetermined material into the clay in a paste form; Includes.
  • the present invention provides a method for producing a soil solidification product that allows for good mixing of cement with clay.
  • FIG. 1 is a diagram showing an outline of a method for producing a soil solidification product according to an embodiment of the present invention
  • 1 is a flowchart showing a method for manufacturing a soil solidification product.
  • FIG. 2 is a plan view showing the surface of a test specimen.
  • FIG. 2 is a side view showing the side of the test specimen.
  • FIG. 13 is a diagram showing the results (mass) of a freeze-thaw test.
  • FIG. 1 is a diagram showing the results of a freeze-thaw test (rate of mass change).
  • FIG. 1 is a diagram showing the results of a freeze-thaw test (visual observation (number of freeze-thaw cycles: 1 to 4)).
  • FIG. 1 is a diagram showing the results of a freeze-thaw test (visual observation (five to eight freeze-thaw cycles)).
  • FIG. 1 is a diagram showing the results of a freeze-thaw test (visual observation (number of freeze-thaw cycles: 9 to 12)).
  • FIG. 1 is a diagram showing the results of a freeze-thaw test (visual observation (freeze-thaw cycles 13 to 15)).
  • FIG. 1 is a diagram showing the results of a freeze-thaw test (visual observation (freeze-thaw cycles 16 to 19)).
  • FIG. 1 is a diagram showing the results of a freeze-thaw test (visual observation (freeze-thaw cycles 20 to 23)).
  • FIG. 1 is a diagram showing the results of a freeze-thaw test (visual observation (freeze-thaw cycles 24 to 26)).
  • FIG. 1 is a diagram showing the results of a freeze-thaw test (visual observation (freeze-thaw cycles 27 to 30)).
  • FIG. 1 is a diagram showing the appearance (surface) of a test specimen after 15 freeze-thaw cycles.
  • FIG. 1 is a diagram showing the appearance (surface) of a test specimen after 20 freeze-thaw cycles.
  • FIG. 1 is a diagram showing the appearance (surface) of a test specimen after 25 freeze-thaw cycles.
  • FIG. 1 is a diagram showing the appearance (surface) of a test specimen after 30 freeze-thaw cycles.
  • FIG. 2 is a diagram showing the appearance (side view) of a test specimen after 30 freeze-thaw cycles.
  • FIG. 1 is a diagram showing an overview of a method for producing a soil solidification product according to one embodiment of the present invention.
  • a brick 1 is taken as an example of a soil solidification product, and a manufacturing method thereof will be described below.
  • Bricks 1 come in a variety of sizes and are called different names depending on their type, purpose, and size.
  • the object is a rectangular parallelepiped having a size (for example, 200 mm ⁇ 100 mm ⁇ 60 mm) as described below.
  • examples of soil solidification formations other than bricks 1 include blocks, interlocking, secondary products such as curbs, etc. (Since these are soil solidification formations, the size is not limited to the sizes described in this specification (the shape can also be a shape suitable for blocks, interlocking, secondary products, etc., and is not limited to the rectangular prism described above)).
  • Materials constituting the brick 1 include clay, cement, and a specified material.
  • the clay is natural viscous soil (clay soil), and the place of collection, etc. are not particularly limited.
  • the above-mentioned clayey soil refers to soil having a particle diameter of 75 ⁇ m or less and containing 50% or more soil particles.
  • the material for forming the brick 1 is not limited to clay, and soil may also be used.
  • the clay used in this embodiment has a viscosity between low and medium viscosity.
  • the low viscosity referred to above refers to viscosities such as those of adhesives (solvent-based), biological fluids, chemicals, cosmetics, dairy products, inks, various juices, latex, oils, paints and coatings, pharmaceuticals, polymer solutions, rubber solutions, solvents, etc.
  • medium viscosity refers to a viscosity such as that of adhesives (hot melt), ceramic slurries, creams, dairy products, resins, inks (screen printing), organic sols, paints, paper coating liquids, paper pulp, plastic sols, surface coating agents, toothpastes, etc.
  • High viscosity refers to the viscosity of asphalt, caulking compound, chocolate, epoxy, gel, ink (ballpoint pen, offset, lithograph), molasses, pastes, peanut butter, putty, roof sealant, sheet molding compound, tar, etc.
  • the above-mentioned cement is used, for example, as a building material and is a primary processed product for making concrete and mortar.
  • the above-mentioned predetermined material may be, for example, sand, sea sand, and dredged soil, and is intended to include at least one of these.
  • the grain shape of the sand used in this embodiment is not particularly limited, but medium grain (medium grain sand) is used.
  • the above mentioned sand includes silica sand.
  • the above-mentioned predetermined materials, i.e., sand, sea sand, and dredged soil are materials that can be procured locally for manufacturing the bricks 1.
  • the bricks 1 can be made into, for example, building materials that are locally produced and consumed by preparing a silica-based inorganic reinforced admixture, which will be described later.
  • Using dredged soil as a material can help reduce the need to mine fertile agricultural soil. For example, when manufacturing bricks 1 in a developing country, there is no need to use soil from cultivated land as a material, and this does not lead to the expansion of uncultivated land.
  • the ratio of the above-mentioned materials constituting the brick 1, i.e. clay:cement:predetermined material, is preferably 1:1:4-7 (1 clay, 1 cement, 4-7 predetermined material).
  • a liquid silica-based inorganic reinforcing admixture should also be added.
  • silica-based inorganic reinforcing admixture is also called an inorganic reinforcing material or an inorganic admixture, and is a so-called cement admixture (cement admixture agent).
  • the silica-based inorganic reinforcing admixture is in powder form and contains silicon dioxide (e.g., 3.0 kg), calcium chloride (e.g., 7.0 kg), calcium hydroxide (e.g., 5.5 kg), potassium chloride (e.g., 7.0 kg), and other chemicals (the composition and quantities here are by way of example and are not intended to be limiting).
  • ECO5000 product name
  • Eiken Co., Ltd. is suitable (since it has soil solidification properties (soil and sand containing seawater can be used), the brick 1 can have sufficient strength even without firing).
  • the reason why it is in powder form is to take into consideration transportation costs and workability.
  • ECO5000 it is used by diluting it with water 30 to 50 times at the site (it is not limited to powder form, and an aqueous solution type may also be used).
  • ECO5000 the pH value obtained when stirred with water is neutral.
  • first process S1 first process S1
  • FIG. 2 is a flow chart showing a method for manufacturing a soil solidification product, i.e., a method for manufacturing a brick 1, for example.
  • the brick 1 is manufactured by sequentially performing a first step S1 to a fifth step S5.
  • the ratio of the silica-based inorganic reinforcing admixture is set to 0.5 with a margin of plus or minus 10%.
  • the lower limit of 0.4 is set in consideration of the reaction with cement, and the upper limit of 0.6 is set in consideration of the cost.
  • the silica-based inorganic reinforcing admixture is changed from a powder state to a liquid state
  • the liquid silica-based inorganic reinforcing admixture and clay are put into an agitator 11 and agitated for 3 to 4 minutes to produce a paste-like clay (paste-like clay 2).
  • the above-mentioned stirring time (3 to 4 minutes) is only an example, as it varies depending on the amount of clay and the amount of liquefied silica-based inorganic reinforcing admixture.
  • the second step S2 is a step of mixing the pasty clay with cement and other predetermined materials. Specifically, this is a process in which cement and other specified materials are mixed with the paste-like clay 2 in a mixer 12 to produce a mixture (not shown). In this embodiment, mixing is performed so that the moisture content in the mixer 12 is measured to be 55 to 60% (for example, a moisture content of 60% is set as the upper limit).
  • the second step S2 may be a step of first adding cement to the clay (paste-like clay 2) and stirring (stirring time is 1 to 2 minutes, 3 to 5 minutes depending on the amount), and then mixing the specified materials after this stirring.
  • the third step S3 is a step in which the mixture mixed by the mixer 12 (not shown) is poured into a predetermined manufacturing machine 14 and subjected to, for example, vibration and pressure from above. Specifically, the process involves feeding the agitated material (not shown) from a mixer 12 into a manufacturing machine 14 using, for example, a conveyor 13, and then producing the product without firing by, for example, vibration and pressure from above.
  • the manufacturing machine 14 described above is a brick manufacturing machine (assembly type, movable type) that employs a brick mold frame that has been subjected to a special surface treatment technology, and has a mechanical structure that makes it possible to smooth the surface of the brick 1, thereby reducing small pores on the surface and suppressing the water absorption rate of the entire brick 1 (increasing the strength of the brick 1).
  • the manufacturing machine 14 is configured not to use a firing kiln.
  • the absence of a kiln provides the following benefits: (1) Reduction in emissions of air pollutants including CO2 emissions and particulate matter, (2) Reduction in health damage, deaths, and agricultural land pollution caused by air pollutants, and (3) Reduction in serious health damage (respiratory diseases, digestive diseases, eye-related diseases) caused by high-temperature smoke from firing.
  • the fourth step S4 is a step of performing water spray curing after completion of the third step S3. Specifically, this is a process in which the bricks 1 completed in the third process S3 are subjected to water sprinkling curing (sprinkling water/water sprinkling curing) for, for example, about one week.
  • water sprinkling curing sprinkling water/water sprinkling curing
  • the fifth step S5 is a storage step after the completion of the fourth step S4. Specifically, this is a process in which the bricks 1 completed in the fourth process S4 are stored for, for example, another week. After the fifth step S5 is completed, the bricks 1 are shipped.
  • the brick 1 manufactured through the first step S1 to the fifth step S5 in this order has a sufficient load-bearing capacity (strength measurement result). If the load capacity is expressed in units of Newton (N) or, for example, pounds per square inch (PSI) in Bangladesh, the result for Brick 1 is approximately 24 N, or 3,500 PSI. For reference, in Nepal, there is no problem if the result is 15N, and the result obtained when using Nepalese clay and Japanese sand is 15N.
  • N Newton
  • PSI pounds per square inch
  • FIG. 3 is a plan view showing the surface of the test specimen.
  • FIG. 4 is a side view showing the side surface of the test specimen.
  • test specimens 50-1 to 50-5 are formed in the shape of a rectangular parallelepiped with dimensions of 200 mm ⁇ 100 mm ⁇ 60 mm.
  • the test specimens 50-1 to 50-5 are identical to the brick 1 manufactured by sequentially going through the first step S1 to the fifth step S5.
  • a freeze-thaw test was carried out on these test specimens 50-1 to 50-5, and the results are shown in FIGS.
  • FIG. 5 is a graph showing the results of the freeze-thaw test (mass)
  • FIG. 6 is a graph showing the results of the freeze-thaw test (rate of mass change).
  • 7 to 14 are figures showing the results of the freeze-thaw test (visual observation), of which FIG. 7 shows the number of freeze-thaw cycles from 1 to 4, FIG. 8 shows the number of freeze-thaw cycles from 5 to 8, FIG. 9 shows the number of freeze-thaw cycles from 9 to 12, FIG. 10 shows the number of freeze-thaw cycles from 13 to 15, FIG. 11 shows the number of freeze-thaw cycles from 16 to 19, FIG. 12 shows the number of freeze-thaw cycles from 20 to 23, FIG. 13 shows the number of freeze-thaw cycles from 24 to 26, and FIG.
  • Figure 14 shows the number of freeze-thaw cycles from 27 to 30.
  • Figure 15 is a diagram showing the appearance (surface) of the test specimen after 15 freeze-thaw cycles
  • Figure 16 is a diagram showing the appearance (surface) of the test specimen after 20 freeze-thaw cycles
  • Figure 17 is a diagram showing the appearance (surface) of the test specimen after 25 freeze-thaw cycles
  • FIG. 18 is a diagram showing the appearance (surface) of the test specimen after 30 freeze-thaw cycles
  • FIG. 19 is a diagram showing the appearance (side) of the test specimen after 30 freeze-thaw cycles.
  • the test method was performed in accordance with 5.5 frost damage test of JIS A 5208 (clay straw), and the details of the test are as follows.
  • ⁇ Water absorption process> The test specimen was immersed in fresh water at a temperature of 20 ⁇ 2° C. for 24 hours, wiped with a wet cloth, and then the mass was measured to the nearest 0.1 g.
  • ⁇ Freezing and thawing conditions> The test specimen was left in a thermo-hygrostat at -20 ⁇ 3°C for 18 hours or more, and then immersed in water at 20 ⁇ 2°C for 6 hours. It was then wiped with a wet cloth, its mass was measured to the nearest 0.1 g, and its appearance was observed (for the presence or absence of cracks, peeling, and defects).
  • the test results (mass) of the freeze-thaw test are shown in FIG.
  • the results of the freeze-thaw test (rate of mass change) are shown in FIG.
  • the results of the freeze-thaw test (visual observation) are shown in Figs.
  • the appearance (surface) of the test specimen after 15 freeze-thaw cycles was as shown in FIG.
  • the appearance (surface) of the test specimen after 20 freeze-thaw cycles is as shown in FIG.
  • the appearance (surface) of the test specimen after 25 freeze-thaw cycles is as shown in FIG.
  • the appearance (front and side) of the test specimen after 30 freeze-thaw cycles is as shown in FIG. 18 and FIG. 19.
  • the brick 1 (test pieces 50-1 to 50-5) can prevent explosion caused by repeated freezing and thawing. Therefore, in addition to being used as a building material, it can also be applied to soil-solidifying pavement, making the above-mentioned blocks, interlocking, secondary products, etc., useful.
  • the method for producing a soil solidification product to which the present invention is applied is sufficient as long as it has the following configuration, and can take a variety of different forms. That is, the method for manufacturing a solidified soil product to which the present invention is applied (for example, the method for manufacturing a brick 1 shown in FIG. 1) is as follows: A method for manufacturing a solidified soil product (e.g., the brick 1 in FIG. 1) that contains clay (e.g., the clay shown in FIG. 1), cement (e.g., the cement shown in FIG. 2), and a predetermined material (e.g., the predetermined material shown in FIG. 2) and is solidified into a predetermined shape (e.g., a rectangular parallelepiped shown in FIGS.
  • a method for manufacturing a solidified soil product e.g., the brick 1 in FIG. 1 that contains clay (e.g., the clay shown in FIG. 1), cement (e.g., the cement shown in FIG. 2), and a predetermined material (e.g., the
  • a first step e.g., the first step S1 in FIG. 2 of making the clay into a paste (e.g., the paste-like clay 2 in FIG. 1) using a liquid silica-based inorganic reinforcing admixture (e.g., the liquid silica-based inorganic reinforcing admixture in FIG. 1);
  • a second step e.g., the second step S2 in FIG. 2) of mixing the cement and the predetermined material with the pasty clay (e.g., the pasty clay 2 in FIG. 1); It is sufficient if it contains According to the present invention, a method for producing a solidified soil product can be provided in which the first and second steps are carried out to improve the mixing of cement with clay.
  • the method for producing a solidified soil product to which the present invention is applied (for example, the method for producing the brick 1 shown in FIG. 1) is as follows:
  • the ratio of the clay to the silica-based inorganic reinforced admixture is 1 part clay to 0.4 to 0.6 parts silica-based inorganic reinforced admixture; It is preferred. According to the present invention, by using a ratio of 1 part of clay to 0.4 to 0.6 parts of silica-based inorganic reinforced admixture, a better method for producing a solidified soil product can be provided.
  • the method for producing a solidified soil product to which the present invention is applied (for example, the method for producing the brick 1 shown in FIG. 1) is as follows:
  • the ratio of the cement to the predetermined material is 1 part of the cement to 4 to 7 parts of the predetermined material. It is preferred. According to the present invention, by making the ratio of the predetermined material to the cement 1 part, 4 to 7 parts, a better method for manufacturing a solidified soil product can be provided.
  • the method for producing a solidified soil product to which the present invention is applied (for example, the method for producing the brick 1 shown in FIG. 1) is as follows:
  • the predetermined material includes at least one of sand, sea sand, and dredged soil. It is preferred. According to the present invention, by including at least one of sand, sea sand, and dredged soil as the specified material, a better method for manufacturing a soil solidification product can be provided.
  • the manufacturing method of the solidified soil product to which the present invention is applied (for example, the manufacturing method of the brick 1 shown in FIG. 1 or other products) is as follows:
  • the soil solidification product is any one of a brick, a block, an interlocking, and a secondary product; It is preferred.
  • a method for producing bricks, blocks, interlocking, secondary products, etc. can be provided.
  • the method for producing a solidified soil product to which the present invention is applied is as follows:
  • the second step is a step of mixing the cement and the predetermined material with the pasty clay to prepare a mixture (for example, the second step S2 of preparing a mixture by mixing with the mixer 13 in FIG. 1),
  • a third step e.g., the third step S3 in FIG. 2 ) of pouring the agitated mixture into a predetermined manufacturing machine and applying vibration and pressure to the agitated mixture;
  • a fourth step for example, the fourth step S4 in FIG. 2) of performing water spray curing after the third step; Further comprising: It is preferred.
  • a better method for producing a solidified soil product can be provided.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Environmental & Geological Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

La présente invention concerne un procédé pour produire un produit solidifié de sol dans lequel un mélange de ciment dans une argile est correctement effectué.　L'invention concerne un procédé pour produire un produit solidifié de sol qui contient une argile, du ciment et un matériau prédéfini, et qui est solidifié en une forme prédéfinie. Ce procédé de production d'un produit solidifié de sol comprend une première étape S1 dans laquelle une argile est formée en une pâte à l'aide d'un mélange de renforcement inorganique à base de silice qui est dans un état liquide ; et une seconde étape S2 dans laquelle du ciment et le matériau prédéfini sont mélangés dans l'argile qui a été formée en une pâte dans la première étape S1. Le produit solidifié de sol est un produit quelconque parmi des briques, des blocs de construction, des pavés autobloquants et des produits secondaires.
PCT/JP2024/025459 2023-07-18 2024-07-16 Procédé pour produire un produit solidifié de sol Ceased WO2025018331A1 (fr)

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JP2023116722 2023-07-18

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4831229A (fr) * 1971-08-26 1973-04-24
JPS5633099A (en) * 1979-08-29 1981-04-03 Nikko Eng:Kk Treatment of earth/sand and industrial waste
WO2022208853A1 (fr) * 2021-04-01 2022-10-06 株式会社エイケン Matériau de solidification pour brique non cuite contenant du sol désertique ou du sol dragué comme matière première, et procédé et dispositif de type manuel utilisant ledit matériau de solidification pour produire une brique non cuite contenant du sol désertique ou du sol dragué en tant que matière première

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4831229A (fr) * 1971-08-26 1973-04-24
JPS5633099A (en) * 1979-08-29 1981-04-03 Nikko Eng:Kk Treatment of earth/sand and industrial waste
WO2022208853A1 (fr) * 2021-04-01 2022-10-06 株式会社エイケン Matériau de solidification pour brique non cuite contenant du sol désertique ou du sol dragué comme matière première, et procédé et dispositif de type manuel utilisant ledit matériau de solidification pour produire une brique non cuite contenant du sol désertique ou du sol dragué en tant que matière première

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HACHIYA, HIDEAKI: "Avoiding blistering of the waterproof layer: Blistering prevention work of urethane waterproof layer under the seat of the stadium stands using modified inorganic reinforcement agents", THE BOSUI JOURNAL, JP, vol. 45, no. 2, 5 February 2014 (2014-02-05), JP, pages 89 - 90, XP009560957, ISSN: 0289-3894 *

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