KR101420293B1 - Preparation method of soil brick with high compressive strength and low water-absorption ratio using non-baking formation - Google Patents
Preparation method of soil brick with high compressive strength and low water-absorption ratio using non-baking formation Download PDFInfo
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- KR101420293B1 KR101420293B1 KR20140043208A KR20140043208A KR101420293B1 KR 101420293 B1 KR101420293 B1 KR 101420293B1 KR 20140043208 A KR20140043208 A KR 20140043208A KR 20140043208 A KR20140043208 A KR 20140043208A KR 101420293 B1 KR101420293 B1 KR 101420293B1
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
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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
- 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
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
Description
The present invention relates to a method for producing a soil brick having a high strength and a low water absorption using a non-plastic forming method, and more particularly, to a method for producing a soil brick using a new solidifying composition capable of enhancing bonding between a cement surface and soil, To a soil brick having a high strength and a low water absorption rate by using soil such as clay, silt and the like as a main raw material.
For the construction of buildings and roads, aggregate should be used as the main material. In the area where there is no aggregate, the soil is baked to be used as an aggregate substitute to make soil bricks, and the soil bricks are crushed and used as aggregates.
However, if the soil is baked and the soil brick is manufactured, it should be dried for at least one day after molding, and after firing for 24 hours or more in the firing furnace up to 1500 ° C., the firing furnace is dismantled and the soil bricks are obtained after 15 to 20 days. It takes more than a month and consumes excessive fuel during the firing process. It is also uneconomical. It also solves the environmental problems such as the increase of carbon dioxide emissions and the serious air pollution due to the combustion of fuel using coal, oil and gas. It is difficult to do.
In addition, the soil bricks produced by the firing method are poor in strength, poor in durability and water resistance, easily cracked and broken in the drying process, have little flexibility and elasticity, and are not suitable for use for inner and outer walls of buildings .
In order to solve the problems of the method of producing the calcined soil bricks, many methods for producing the non-calcified soil bricks have been proposed recently.
For example, Korean Patent No. 10-0863061 proposes a method of mixing soil, aggregate and powder additives, mixing a liquid additive and water, and then mixing and curing the mixed mortar to produce soil bricks . However, the technique described here is a technique for producing soil bricks using aggregates, and thus it is difficult to apply the method when it is difficult to supply and receive aggregates.
Korean Patent Laid-Open Publication No. 2003-0036403 relates to a non-sintered sole block manufacturing technique using natural soil, which is composed of natural soil, quicklime, blast furnace slag cement, natural mineral inorganic additive and iron oxide, We propose a manufacturing technology of natural-friendly soil block which has strength of conventional concrete block level, excellent durability and water resistance, and is advantageous for river vegetation. However, the technology described here is only a technique for environmentally-friendly manufacture of a shore block by using blast furnace slag cement as a substitute product without using general cement in the production of a sole block.
Korean Patent Registration No. 10-1185365 discloses a method for producing an inorganic binder by mixing an inorganic powder composed of slag, lime, gypsum, fly ash and silica fume with calcium carbonate, mixing the inorganic binder and the soil thus prepared, A technique for manufacturing a soil block is proposed. However, the technology described here is different only in that industrial byproducts such as slag and fly ash are used in place of general cement. In order to recycle the industrial byproducts, a technique for producing a vegetation block or a shore block Only.
Korean Patent No. 10-1069249 proposes a technique for producing a soil block by a non-sintering method by press-molding a mixture obtained by mixing a base material made of ordinary soil and aggregate with a fine powder of blast furnace slag, aluminum sulfate and natural pulp do. However, the technology described here is a technique for producing an earth block by using aggregate, so that it is difficult to apply the aggregate material when it is difficult to supply and receive aggregate, and it is only a technique for recycling industrial by-products by using blast furnace slag fine powder instead of cement .
Also, Korean Patent No. 10-1195380 discloses a method for producing a green loam by heating naturally dried loess to 600 to 900 ° C and quenching it to obtain an active loess, mixing industrial byproducts composed of an alkali stimulant, natural fiber, slag, We propose a technique for manufacturing blocks. However, the technology described here has the problem of burning the naturally dried yellow loess to obtain the active yellow loam, and thus has the problem of the conventional burning method of the soil brick, and is mainly used as a technique for recycling the industrial by- It is only a technology for environmentally friendly manufacturing.
Also, Korean Patent No. 10-0676311 proposes a technique for producing a soil block by mixing cement, natural fiber, zeolite and charcoal with yellow clay and pressurizing it. This technique explains that zeolite and charcoal can strengthen the rigidity, have moisture and nutrient preservation function, ensure the passage of water, and have a fireproof function when the block surface is exposed to a flame. However, the techniques described herein are merely techniques for producing vegetation blocks.
As described above, the conventional non-fired soil brick manufacturing techniques have respective features and advantages, but there are limitations and problems, so it is necessary to solve and solve such problems.
SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a method for producing soil bricks by solidifying soil such as clay, coastal wetland, mud, It is possible to enhance the ionic bonding between the surface of the cement and the organic material in the soil to promote the solidification and to prevent the ionization of the oyster shell from the oyster shell, The present invention provides a technique for producing soil bricks having high strength and low water absorptivity exceeding the strength of concrete bricks or clay bricks by improving the compressive strength by mixing the obtained powders.
As a means for solving the above-mentioned problems,
(1) A method for producing a calcium phosphate powder which comprises: (1) 20 to 24 wt% of magnesium chloride, 20 to 24 wt% of sodium chloride, 14 to 16 wt% of potassium chloride, 10 to 12 wt% of calcium chloride, 4 to 6 wt% of sodium sulfate, Mixing and stirring 1 to 3 wt% of sodium, 9 to 11 wt% of aluminum sulfate, 2 to 4 wt% of calcium carbonate, and 2 to 4 wt% of superphosphate lime to prepare a soil strengthening composition;
(2) preparing a soil fire by mixing and stirring 100 parts by weight of cement and 0.2 to 2 parts by weight of the soil solidifying composition obtained in (1) above;
(3) To 100 parts by weight of the soil having a water content of 1 to 10%, 10 to 20 parts by weight of the soil fire obtained in the above (2) and 10 to 20 parts by weight of the oyster shell powder, pulverized cathode ray tube powder, purified sludge powder, waste glass powder and waste rock powder Mixing 1 to 20 parts by weight of one selected powder or two or more mixed powders to obtain a raw material composition powder;
(4) mixing 1 to 10 parts by weight of water with 100 parts by weight of the raw material composition powder obtained in the above (3) to obtain mixed mortar;
(5) adding the mixed mortar obtained in the above (4) to a molding mold and pressure-molding to obtain a brick molding; And
(6) Curing the obtained brick formed article
The method includes the steps of:
According to the present invention, since a separate pozzolanic substance other than the soil solidifying composition and cement is not used, it is easy to manufacture, the bonding between the soil component and the cement component is strengthened and the solidification is accelerated, High compressive strength results exceeding the compressive strength standard of the general specification are shown. Therefore, in the case of producing the soil bricks using the soil solidifying composition according to the present invention, it is possible to manufacture the soil bricks having high strength and low water absorption by the non-sintering method, Construction and road construction can proceed smoothly.
In addition, it has excellent durability and water resistance, excellent crack prevention effect, and excellent cold weather preventing effect.
Hereinafter, the present invention will be described in detail.
The soil brick manufacturing method according to the present invention comprises
(1) A method for producing a calcium phosphate powder which comprises: (1) 20 to 24 wt% of magnesium chloride, 20 to 24 wt% of sodium chloride, 14 to 16 wt% of potassium chloride, 10 to 12 wt% of calcium chloride, 4 to 6 wt% of sodium sulfate, Mixing and stirring 1 to 3 wt% of sodium, 9 to 11 wt% of aluminum sulfate, 2 to 4 wt% of calcium carbonate, and 2 to 4 wt% of superphosphate lime to prepare a soil strengthening composition;
(2) preparing a soil fire by mixing and stirring 100 parts by weight of cement and 0.2 to 2 parts by weight of the soil solidifying composition obtained in (1) above;
(3) To 100 parts by weight of the soil having a water content of 1 to 10%, 10 to 20 parts by weight of the soil fire obtained in the above (2) and 10 to 20 parts by weight of the oyster shell powder, pulverized cathode ray tube powder, purified sludge powder, waste glass powder and waste rock powder Mixing 1 to 20 parts by weight of one selected powder or two or more mixed powders to obtain a raw material composition powder;
(4) mixing 1 to 10 parts by weight of water with 100 parts by weight of the raw material composition powder obtained in the above (3) to obtain mixed mortar;
(5) adding the mixed mortar obtained in the above (4) to a molding mold and pressure-molding to obtain a brick molding; And
(6) Curing the obtained brick formed article
.
In the present invention, the powder of the raw material composition is prepared by mixing soil with a soil fire, that is, a soil having a water content of 1 to 10%, which is a mixture of cement and soil solidifying composition, and mixing oyster shell powder, , A waste glass powder (specifically, a powder obtained by pulverizing a glass including a film or a hot wire as a powder of a scrap glass), and a waste powder, or a mixture of two or more kinds of powders The obtained raw material composition powder is mixed with water to obtain a mixed mortar, and the soil bricks are produced by press molding and curing.
First, the soil solidifying composition used in the soil brick manufacturing method of the present invention will be described.
In the present invention, the soil solidifying composition comprises 20 to 24 wt% of magnesium chloride, 20 to 24 wt% of sodium chloride, 14 to 16 wt% of potassium chloride, 10 to 12 wt% of calcium chloride, 4 to 6 wt% of sodium sulfate, 8 to 8% by weight of sodium tripolyphosphate, 1 to 3% by weight of sodium tripolyphosphate, 9 to 11% by weight of aluminum sulfate, 2 to 4% by weight of calcium carbonate and 2 to 4% by weight of superphosphate lime.
In the soil solidifying composition according to the present invention, the magnesium chloride acts to absorb moisture in the soil, and the use range is preferably 20 to 24 wt%.
In addition, in the soil-strengthening composition according to the present invention, the sodium chloride acts to induce early stiffness by promoting the formation of sulfate salts in the soil to be cemented, and the use range is preferably 20 to 24 wt% .
In addition, in the soil solidifying composition according to the present invention, the potassium chloride acts to promote the hydration reaction of the cement, and the use range is preferably 14 to 16 wt%.
In addition, in the soil solidifying composition according to the present invention, the calcium chloride acts to induce hydration reaction by promoting an exothermic reaction, and the use range is preferably 10 to 12 wt%.
In addition, the sodium sulfate in the soil solidifying composition according to the present invention promotes the sulfidation reaction and tightens the structure, and the use range is preferably 4 to 6 wt%.
In addition, the ligninsulfonic acid salt in the soil solidifying composition according to the present invention surrounds the cement particles with the adsorbing film to enhance dispersibility and cohesiveness with the soil, maintains the water retention and coagulates soil microparticles such as clay, To maintain long-term stability. In the present invention, the ligninsulfonic acid salt is preferably contained in an amount of 6 to 8% by weight.
In addition, in the soil solidifying composition according to the present invention, sodium tripolyphosphate acts to disperse soil microparticles in the agglomerated state to strengthen the solidification of solidification with cement, and the use range thereof is preferably 1 to 3% by weight Do.
In addition, in the soil solidifying composition according to the present invention, aluminum sulfate ion-exchanges the aluminum ion with the (-) group on the surface of the soil and the anion induces ionic bonding with the (+) group on the surface of the cement, And enhances rigidity. In the present invention, the aluminum sulfate is preferably contained in an amount of 9 to 11% by weight.
In addition, the calcium carbonate in the soil solidifying composition according to the present invention promotes soil condensation and prevents contraction, and the use range is preferably 2 to 4 wt%.
Also, in the soil strengthening composition according to the present invention, the superphosphate lime reacts with cement to form etrinzite, thereby contributing to the dense structure and strength development, and the use range is preferably 2 to 4 wt% Do.
The components used in the soil solidifying composition according to the present invention are all water-soluble components and water-dispersible components, which are eco-friendly since no by-products of heavy metals or other harmful substances are produced.
In addition, in the case of the existing soil solidifying agent, a mixture of cement, clay, curing agent, bentonite, and solid acid catalyst was used to enhance the bonding between cement and clayey soil. I could not see.
The present invention is made of a salt which readily dissolves in water, wherein a plurality of cations are ionically bonded to anions charged on the surface of the soil, and an anion is ion-bonded to cations charged on the surface of the cement to mediate binding between the soil particles and the cement particles It plays a role. In addition, due to the characteristics of each component, hydration, cementation and water absorption are promoted, so that the cementation effect is expressed early and the strength is enhanced.
In the present invention, the soil solidifying composition is mixed only with cement without addition of other components, and forms a soil fire. Since cement is not limited to these types, general portland cement, slag cement, crude steel cement, etc. can be used alone or in combination.
For reference, in the present invention, the term "soil solidifying agent" means that the amount of use thereof is relatively small, so that its own volume can be ignored in the calculation with the soil, and & It is distinguished because it means something related to the calculation.
The components included in the soil fire according to the present invention are a mixture of 100 parts by weight of cement and 0.2 to 2.0 parts by weight of the soil solidifying composition obtained in the above (1).
The cement particles in the soil fire are activated on the surface to generate air bubbles and adsorb the fine particles of the soil to strengthen the condensation. Further, as the hydration reaction of the cement proceeds, the surface expands and is uniformly distributed within the molded article.
The soil bricks can be manufactured by mixing the soil bricks according to the present invention with the appropriate contents according to the water content of the soil to be produced and the desired compressive strength. That is, soil soil fire can be added in a large amount when the soil moisture content is high or the target compressive strength is large.
It is preferable that the content of the earth solid fire used in the present invention is 10 to 20 parts by weight based on 100 parts by weight of the soil having a water content of 1 to 10%. If the amount of the earth fire is less than 10 parts by weight, it is difficult to exhibit high compressive strength. When the amount of the earth fire is more than 20 parts by weight, the strength is hardly increased any more and the manufacturing cost is increased.
In the present invention, the soil is a soft and compressible soil, for example, clay, silt or peat, but is not limited thereto. When soil bricks are produced using conventional portland cement, slag cement, etc., the hydration reaction is interrupted by the organic substances in the soil. When a large amount of cement is used to solve this problem, cracks There is a problem that occurs.
Specifically, the soil to be an object of soil brick manufacture according to the present invention is exemplified by sewage sludge, foundry sand or mud, and includes sediments deposited on the bottom of a river or sea. At this time, it is preferable to use the soil having a water content of 1-10% through a drying process or the like.
In the present invention, the soil-solidifying composition comprising the metal salt as the main component is mixed with the cement to induce the bond between the soil and the cement, and the hydration reaction and the water absorption action are promoted, thereby promoting the solidification and exhibiting the high strength .
The soil brick manufacturing method using the soil according to the present invention first mixes the soil with the soil fire according to the present invention at an appropriate ratio. In this case, the blending ratio may vary depending on the required properties, but it is preferable that the soil fire is mixed in a ratio of 10 to 20 parts by weight based on 100 parts by weight of the soil.
The raw material composition powder is prepared by mixing 1 powder selected from oyster shell powder, pulverized cathode ray tube powder, purified water sludge powder, waste glass powder and waste rock powder or 1 to 20 parts by weight of mixed powder of two or more kinds.
Next, a general equipment capable of uniformly mixing the soil and soil fire and powder (or mixed powder) in mixing and stirring can be used. For example, a stirrer equipped with a 4-row multi screw at an angle of 8 degrees may be used And can be evenly stirred while rotating at a speed of 500 to 700 RPM. At this time, a grinding apparatus (for example, a roll mill) may be provided in the stirring apparatus to mix and stir soil particles and powder (or mixed powder) in the form of fine particles.
The raw material composition powder thus prepared can be used as mortar for producing soil bricks by mixing with water. The powder (or mixed powder) obtained from the waste material further strengthens the strength and can obtain economical effects, Waste recycling also has the effect of preventing secondary environmental pollution.
In the present invention, the components utilizing the waste materials that can be contained in the raw material composition powder may be selected from oyster shell powder, pulverized cathode ray tube powder, purified water sludge powder, waste glass powder and waste rock powder. When the mixed powder is composed of a mixture of oyster shell powder, pulverized cathode ray tube powder, purified water sludge powder, waste glass powder and waste rock powder, the content ratio of each component is 10 to 30% by weight of oyster shell powder, 10 to 30% 10 to 40% by weight of purified water sludge powder, 10 to 50% by weight of waste glass powder, and 10 to 20% by weight of waste stone powder.
After obtaining the raw material composition powder as described above, water is mixed with the mixture, and the mixture is homogeneously stirred to prepare a mixed mortar.
Then, the mixed mortar is charged into a molding mold and pressure-molded to obtain a brick formed body, followed by curing to complete the production of the soil bricks. In the present invention, the molding is preferably performed by applying pressure and vibration, and for example, a dry hydraulic molding method, a vacuum kneader molding method, a wet vacuum molding method, or the like can be used.
In the present invention, it is preferable that the brick molding is cured at a temperature of 20 to 50 ° C for 24 to 72 hours. However, the method is not always limited to such a method, and a method such as heating curing or steam curing may be used.
According to the present invention, the soil bricks are produced by the above-mentioned method, and the soil bricks have a high compressive strength and a low water absorption rate which are higher than or equal to the strength of the concrete block or the clay block. That is, the soil brick produced by the manufacturing method according to the present invention may have a compressive strength (compressive strength according to KS F4004 standard) of 28 days old at 8 MPa or more, specifically 15 to 25 MPa, 10% or less is possible.
The soil bricks produced by the method according to the present invention can also be used as building bricks for construction and as floor bricks for floor construction. In addition, various types of soil bricks or soil blocks can be manufactured by the manufacturing method according to the present invention. For example, various types of soil bricks or soil blocks can be manufactured, such as building masonry bricks, floor bricks for sidewalks or car applications, waterproofing blocks, , Pore block, soil tile, and the like.
The soil fire which is used in the method of manufacturing the soil brick according to the present invention is easy to manufacture because it does not contain other components besides the cement and soil solidifying composition, and the components contained in the soil solidifying composition are mediated between the soil and the cement It plays a role of strengthening the bond between the two and accelerating the cementation. Further, by selecting and mixing various powders obtained from waste materials, for example, oyster shell powder, pulverized cathode ray tube powder, purified water sludge powder, waste glass powder and waste rock powder, the strength can be enhanced and the effect of recycling industrial wastes can be obtained .
Hereinafter, preferred embodiments of the present invention will be described in order to facilitate the present invention by those skilled in the art.
[Production Examples 1 to 3] Preparation of soil solidifying composition
According to the composition shown in Table 1 below, magnesium chloride and sodium chloride were poured into a mixing vessel at room temperature, and then the remaining components were mixed in order to prepare a soil solidifying composition.
[Production Examples 4 to 12] Production of soil fireproofing
The soil solidifying composition obtained in Preparation Examples 1 to 3 and the portland cement were mixed in the ratios shown in Table 2 to prepare a soil fire.
(Parts by weight)
[Examples 1 to 9] Mud brick manufacture
The clay (specifically, the dry clay) collected at the site was mixed at a weight ratio of clay: soil fire = 100: 10, and the oyster shell powder obtained in each of Production Examples 4 to 12 was mixed with 20 wt% 20 parts by weight of a mixed powder composed of 20% by weight of pulverized CRT powder, 30% by weight of purified water sludge powder, 20% by weight of waste glass powder and 10% by weight of waste stone powder was mixed to obtain a raw material composition powder, 2 parts by weight were added to obtain a mixed mortar, which was pressed and cured to prepare a soil brick. Specifically, the clay, the soil fire, and the mixed powder were put into a tank and agitated to prepare a raw material composition powder. Then, the raw material composition powder was put into a 4-column multi screw, rotated at a speed of about 600 RPM, stirred evenly, Water was added thereto, and the mixture was homogeneously stirred again to prepare a mixed mortar. The mixed mortar prepared as described above was charged into a molding mold for brick production, followed by pressure molding to produce a brick molding body. The brick molding was completed by curing at about 25 ° C for 48 hours.
Unconfined compressive strength was measured according to KS F 4004 standard in order to confirm the compressive strength characteristics of the soil bricks thus prepared, and the results are summarized in Table 3 below. In order to confirm the absorption rate characteristics, the absorption rate was measured based on KSL 4201 standard, and the results are summarized in Table 3 below.
As a comparative example to the above examples, ordinary portland cement and clay collected on site (specifically, dry clay) were mixed with clay: portland cement = 100: 10 and cured, and then uniaxial compressive strength And the results are summarized in the following Table 3. The absorption rate was measured by the same test method and the results are summarized in Table 3 below. (Comparative Example 1)
As can be seen from Table 3, the soil brick samples prepared by using the mixture of the soil solidifying composition and cement according to the present invention and the powder obtained from the clay and the waste material were classified into general portland cement and clay It can be seen that the strength characteristics are far superior to those of the soil brick samples manufactured using the same, and the water absorption rate is also kept low.
From the above results, it can be seen that when using only ordinary portland cement, the bonding force between the soil and cement is weak and the strength is not sufficiently developed. In contrast, when the soil solidifying composition according to the present invention is used, It is possible to manufacture a soil brick having a high strength and a low absorptivity with remarkably improved compressive strength.
Claims (5)
(2) preparing a soil fire by mixing and stirring 100 parts by weight of cement and 0.2 to 2 parts by weight of the soil solidifying composition obtained in (1) above;
(3) To 100 parts by weight of the soil having a water content of 1 to 10%, 10 to 20 parts by weight of the soil fire obtained in the above (2) and 10 to 20 parts by weight of the oyster shell powder, pulverized cathode ray tube powder, purified sludge powder, waste glass powder and waste rock powder Mixing 1 to 20 parts by weight of one selected powder or two or more mixed powders to obtain a raw material composition powder;
(4) mixing 1 to 10 parts by weight of water with 100 parts by weight of the raw material composition powder obtained in the above (3) to obtain mixed mortar;
(5) adding the mixed mortar obtained in the above (4) to a molding mold and pressure-molding to obtain a brick molding; And
(6) Curing the obtained brick formed article
Wherein the soil brick is manufactured by a method comprising the steps of:
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| Application Number | Priority Date | Filing Date | Title |
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| KR20140043208A KR101420293B1 (en) | 2014-04-10 | 2014-04-10 | Preparation method of soil brick with high compressive strength and low water-absorption ratio using non-baking formation |
| PCT/KR2015/003341 WO2015156541A1 (en) | 2014-04-10 | 2015-04-03 | Method for manufacturing soil brick having high strength and low absorption rate using unfiring forming method |
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| KR20140043208A KR101420293B1 (en) | 2014-04-10 | 2014-04-10 | Preparation method of soil brick with high compressive strength and low water-absorption ratio using non-baking formation |
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| KR101377475B1 (en) | 2013-06-05 | 2014-03-26 | 동양허브 영농조합법인 | The method of preparing the block of yellow-soil using masato-soil and sludge coming into being by separating sands from masato-soil |
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| KR960022348A (en) * | 1994-12-13 | 1996-07-18 | 김주환 | Manufacturing method of ultra light building material using waste sludge |
| KR101270115B1 (en) * | 2012-03-15 | 2013-06-03 | 사단법인 한국전자산업환경협회 | System for recycling crt waste glass |
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| KR100860017B1 (en) | 2008-01-17 | 2008-09-25 | 유종희 | Soil aggregate composition for civil engineering and construction materials using process sludge and manufacturing method thereof |
| KR101112719B1 (en) | 2011-01-20 | 2012-03-13 | 이한재 | The solidification block composition and its manufacturing method that using the sludge and inorganic waste resources |
| KR101112742B1 (en) | 2011-01-25 | 2012-03-13 | 이한재 | The composition for purification of contaminated soil and the manufacturing method for greener clay block which uses the composition |
| KR101377475B1 (en) | 2013-06-05 | 2014-03-26 | 동양허브 영농조합법인 | The method of preparing the block of yellow-soil using masato-soil and sludge coming into being by separating sands from masato-soil |
Cited By (6)
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| KR101726392B1 (en) * | 2016-02-26 | 2017-04-13 | 주식회사 폴리원 | Construction method of rain water management and recycle system of playground and rain water management and recycle system of playground |
| KR102160579B1 (en) * | 2019-10-24 | 2020-09-29 | 이강민 | Composition for hardening |
| CN112551932A (en) * | 2020-12-10 | 2021-03-26 | 水利部交通运输部国家能源局南京水利科学研究院 | Waste residue-based sludge baking-free brick additive and application method thereof |
| KR102580145B1 (en) * | 2022-08-29 | 2023-09-19 | 한성만 | Brick and method for manufacturing the same |
| WO2024049079A3 (en) * | 2022-08-29 | 2024-04-25 | 한성만 | Brick and manufacturing method therefor |
| KR102580103B1 (en) * | 2022-10-26 | 2023-09-21 | 주식회사 그릿씨 | Preparation method of brick using non-baking formation with specific admixture with enhanced binding force between cement and soil |
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| WO2015156541A1 (en) | 2015-10-15 |
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