WO2015156541A1 - Method for manufacturing soil brick having high strength and low absorption rate using unfiring forming method - Google Patents

Method for manufacturing soil brick having high strength and low absorption rate using unfiring forming method Download PDF

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Publication number
WO2015156541A1
WO2015156541A1 PCT/KR2015/003341 KR2015003341W WO2015156541A1 WO 2015156541 A1 WO2015156541 A1 WO 2015156541A1 KR 2015003341 W KR2015003341 W KR 2015003341W WO 2015156541 A1 WO2015156541 A1 WO 2015156541A1
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Prior art keywords
soil
weight
powder
brick
parts
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PCT/KR2015/003341
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French (fr)
Korean (ko)
Inventor
김준형
이응준
석종민
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주식회사 폴리원
주식회사 엔테오스
김준형
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Publication of WO2015156541A1 publication Critical patent/WO2015156541A1/en

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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
    • 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
    • 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

Definitions

  • the present invention relates to a method of manufacturing a soil brick having high strength and low water absorption using a non-plastic forming method, and more particularly, by using a new solidifying agent composition which can promote and strengthen the solidification of soil by strengthening the bond between the cement surface and the soil.
  • the present invention relates to a technique for manufacturing clay brick having high strength and low water absorption using soil such as clay and silt as a main raw material.
  • Aggregate should be used as the main raw material for the construction of buildings or roads, but in the absence of aggregates, the soil is fired by firing the soil to be used as a substitute.
  • the soil brick when the soil brick is manufactured by firing the soil, it must be dried for at least one day after molding, and after firing for 24 hours in a kiln reaching 1500 ° C., the kiln is dismantled after 15 to 20 days and the soil brick is obtained. It takes more than a month and consumes too much fuel during the firing process, which is uneconomical. Also, environmental issues such as increased carbon dioxide emissions and severe air pollution are caused by the combustion of fuels that mainly use coal, oil, and gas. Difficult to do.
  • the earthen brick produced by the plastic method is insufficient strength, poor durability and water resistance, easily cracked and broken during the drying process, flexibility and elasticity is little and vibration absorption is not suitable for use for interior and exterior walls of buildings There is.
  • Korean Patent No. 10-0863061 proposes a method of manufacturing soil bricks by non-baking pressure molding and curing mixed mortar obtained by mixing soil, aggregate, and powder additives followed by mixing liquid additives and water.
  • the technique described herein is a technique for producing soil brick using aggregate, so that it is difficult to apply when the supply and demand of aggregate is difficult.
  • the Republic of Korea Patent Publication No. 2003-0036403 relates to a non-fired SOIL block manufacturing technology using natural soil, consisting of natural soil, quicklime, blast furnace slag cement, natural mineral inorganic additives and iron oxides without pressure firing
  • the present invention proposes a manufacturing method of a natural-friendly soil block having strength of the conventional concrete block level, excellent durability and water resistance, and advantageous for river vegetation lubrication.
  • the technology described herein is only a technique for eco-friendly manufacturing of the relief block by using the blast furnace slag cement as a substitute for using a cement instead of the general cement in the manufacturing of the block.
  • Republic of Korea Patent No. 10-1185365 is prepared by mixing the inorganic powder consisting of slag, lime, gypsum, fly ash, silica fume and calcium carbonate to prepare an inorganic binder and by mixing the inorganic binder and the soil thus prepared by pressure molding Suggest a technique for manufacturing the earth block.
  • the technology described herein also differs only in that industrial by-products such as slag and fly ash are used in place of general cement, and the technique for producing vegetation blocks or revetment blocks for the purpose of recycling the industrial by-products. It is only.
  • Republic of Korea Patent No. 10-1069249 proposes a technique for producing a soil block by a non-baking method by press molding a mixture obtained by mixing blast furnace slag fine powder, aluminum sulfate and natural pulp on a base material consisting of general soil and aggregate. do.
  • the technique described here is a technique for manufacturing soil blocks using aggregates, so it is difficult to apply when supply and demand of aggregates is difficult, and it is only a technique for recycling industrial by-products by using blast furnace slag powder instead of cement. .
  • the Republic of Korea Patent No. 10-1195380 is the natural dried ocher heated to 600 ⁇ 900 °C and then quenched to obtain the active ocher and mixed with industrial by-products consisting of alkali stimulant, natural fiber and slag, ash, etc.
  • industrial by-products consisting of alkali stimulant, natural fiber and slag, ash, etc.
  • the technology described here has the problem of calcining the naturally dried ocher to obtain activated ocher, which has the same problem as the conventional method of manufacturing soil bricks, and is mainly used as a technology for recycling industrial byproducts. It's just a technology for eco-friendly manufacturing.
  • Republic of Korea Patent No. 10-0676311 proposes a technique for manufacturing a soil block by mixing the cement, natural fibers, zeolite, charcoal in the ocher by pressure molding it.
  • the technique explains that the action of zeolites and charcoal can enhance stiffness, preserve moisture and nutrients, secure passage of moisture, and provide fire resistance when the block surface is exposed to flame.
  • the techniques described herein are merely techniques for manufacturing vegetation blocks.
  • the conventional non-fired earth brick manufacturing techniques have their respective features and advantages, but there are also limitations and problems, and therefore, there is a need to solve and improve these problems.
  • the present invention has been derived in consideration of the above situation, in order to solidify the soil, such as clay, coastal wetland, sewage, underwater soils, sediments, etc. to produce soil bricks as a solidified material to the pozzolan material in the cement as in the prior art
  • the composition of the solidification accelerator can be renewed without the use of chlorine, so that the ionic substance in the solidification accelerator can strengthen the ionic bond between the cement surface and the organic substance in the soil. It is intended to provide a technique for improving the compressive strength by mixing the obtained powder to produce a soil brick having a high strength and a low absorption rate beyond the strength of the concrete brick to clay brick.
  • the present invention as a means for solving the above problems
  • It provides a soil brick manufacturing method comprising a.
  • the soil brick using the soil solidifying agent composition according to the present invention can produce a soil brick having a high strength and low absorption rate by a non-plastic method, the production of various soil bricks even in a region where supply of aggregate is difficult Architecture and road construction can proceed smoothly.
  • the raw material composition powder is mixed with the soil solidified material consisting of a mixture of cement and soil solidifying agent composition, specifically soil having a water content of 1 to 10%, oyster shell powder, waste brown tube powder, purified sludge powder Is obtained by mixing one or two or more kinds of powders selected from waste glass powder (specifically, powder of waste car glass, powder obtained by pulverizing a glass containing a film or a hot wire, etc.) and waste gypsum powder.
  • the soil brick is manufactured by mixing water with the obtained raw material composition powder to obtain a mixed mortar and pressing and curing the same.
  • the soil hardening composition is 20 to 24% by weight of magnesium chloride, 20 to 24% by weight of sodium chloride, 14 to 16% by weight of potassium chloride, 10 to 12% by weight of calcium chloride, 4 to 6% by weight of sodium sulfate, and 6 to 6% by weight of lignin sulfonate. 8 wt%, sodium tripolyphosphate 1-3 wt%, aluminum sulfate 9-11 wt%, calcium carbonate 2-4 wt% and lime phosphate 2-4 wt%.
  • the magnesium chloride in the soil hardener composition according to the present invention has a function of absorbing moisture in the soil, the use range is preferably included in 20 to 24% by weight.
  • the sodium chloride acts to induce early stiffness by promoting the production of sulfate salts in the soil to be solidified
  • the use range is preferably included in 20 to 24% by weight.
  • the potassium chloride in the soil hardener composition according to the present invention serves to promote the hydration reaction of cement, the use range is preferably included in 14 to 16% by weight.
  • the calcium chloride in the soil solidification composition according to the present invention promotes an exothermic reaction to induce a hydration reaction
  • the use range is preferably contained in 10 to 12% by weight.
  • sodium sulfate in the soil solidification composition according to the present invention serves to promote the sulfidation reaction to compact the tissue, the use range is preferably included in 4 to 6% by weight.
  • the lignin sulfonate in the soil solidifying agent composition according to the present invention surrounds the cement particles with an intake film to enhance dispersibility and cohesiveness with the soil and maintain water sensitization to aggregate soil fine particles such as clay and maintain water It acts to maintain long-term stability.
  • Lignin sulfonate in the present invention is preferably included in 6 to 8% by weight.
  • sodium tripolyphosphate in the soil solidifying agent composition according to the present invention serves to disperse the aggregated soil fine particles to enhance the solidification of the coagulation with cement, the use range is preferably contained in 1 to 3% by weight. Do.
  • aluminum sulfate is ion-bonded to the negative surface of the soil surface by ion exchange reaction, and the anion promotes solidification by inducing ion bond to the positive surface of the cement surface. And promotes rigidity.
  • the aluminum sulfate is preferably included in 9 to 11% by weight.
  • the calcium carbonate in the soil solidification composition according to the invention serves to promote the condensation of the soil and prevent shrinkage, the use range is preferably contained in 2 to 4% by weight.
  • the superphosphate lime reacts with cement to form ethrinite, thereby densifying tissues and contributing to the development of strength, and the use range is preferably 2 to 4% by weight. Do.
  • the components used in the soil solidifying agent composition according to the present invention are all environmentally friendly because they do not produce by-products of heavy metals or other harmful substances as well-soluble components and good dispersibility in water.
  • the present invention consists of salts that are easily soluble in water and at the same time a plurality of cations ionically bond with anions charged on the surface of the soil, and the anions mediate bonds between soil particles and cement particles by ionically bonding cations charged on the surface of the cement. Play a role.
  • the properties of each component promotes hydration, freezing, and water absorption, so that the freezing effect is expressed early and strength is enhanced.
  • the soil hardener composition is mixed with cement only without the addition of other components to form the soil solidifier. Since cement is not limited to the type thereof, general portland cement, slag cement, crude steel cement, or the like may be used alone or in combination.
  • soil hardener means that the amount of use is relatively small, so that its own volume can be neglected in the calculation with the soil. It is distinguished because it means related to the calculation.
  • the component contained in the soil solidifying material according to the present invention is composed of 100 parts by weight of cement and 0.2 to 2.0 parts by weight of the soil solidifying agent composition obtained in the above (1).
  • Cement particles in the soil solidified material is activated by the surface to generate bubbles and to adsorb the fine particles of the soil to strengthen the condensation.
  • the surface expands and is evenly distributed in the molded article.
  • the soil solidified material according to the present invention obtained as described above can be produced by mixing in an appropriate content according to the moisture content and the target compressive strength of the soil to prepare the soil brick. That is, when the soil moisture content is high or the target compressive strength is large, a large amount of soil solidified material can be added.
  • the content of the soil solidified material used in the present invention is preferably used in a mixture of 10 to 20 parts by weight based on 100 parts by weight of the soil having a water content of 1 to 10%.
  • amount of the soil solidified material is less than 10 parts by weight, it is difficult to express high compressive strength, and if it exceeds 20 parts by weight, the strength is no longer increased and the manufacturing cost increases, so it is preferable to be used in the above range.
  • the soil is soft and compressible soil, for example, clay, silt or peat and the like, but is not limited thereto.
  • the soil brick is manufactured using general portland cement or slag cement, the soil is hindered by the hydration reaction by organic substances in the soil, and when a large amount of cement is used to solve this problem, cracking is caused by dry shrinkage. There is a problem that occurs.
  • the soil to be manufactured in the soil brick of the present invention may be, for example, sewage sludge, foundry sand or sewage, and also includes sedimentary soil deposited on the bottom of the river or sea. At this time, it is preferable to use the soil having a water content of 1 to 10% through a drying process.
  • the soil solidifying agent composition composed mainly of metal salts induces bonding between soil and cement, promotes hydration reaction and water absorption, thereby promoting solidification and expressing high strength. Characterized in that.
  • Soil brick manufacturing method using the soil according to the present invention first mixes the soil and the soil solidified material according to the present invention in an appropriate ratio.
  • the mixing ratio may vary depending on the required physical properties, but it is preferable that the soil solidified material is mixed at a ratio of 10 to 20 parts by weight based on 100 parts by weight of the soil.
  • a raw material composition powder is prepared by mixing 1 to 20 parts by weight of one powder selected from oyster shell powder, waste brown tube powder, purified sludge powder, waste glass powder and waste gypsum powder or two or more mixed powders.
  • the stirring device may be equipped with a grinding device (for example, a roll mill), and mixing and stirring may be performed in a state in which the soil particles and powder (or mixed powder) are finely granulated.
  • a grinding device for example, a roll mill
  • the raw material composition powder prepared as described above may be used as a mortar for manufacturing soil bricks by mixing water, and the powder (or mixed powder) obtained from the waste materials may further strengthen the strength and also obtain an economic effect. Waste recycling also has the effect of preventing secondary environmental pollution.
  • the components utilizing waste materials which may be included in the raw material composition powder may be selected from oyster shell powder, waste brown tube powder, purified sludge powder, waste glass powder and waste gypsum powder.
  • the mixed powder consists of a mixture of oyster shell powder, waste brown tube powder, purified sludge powder, waste glass powder and waste gypsum powder
  • the content ratio of each component is 10-30 wt% of oyster shell powder, waste brown tube powder 10-30 It is preferable that it consists of weight%, purified water sludge powder 10-40 weight%, waste glass powder 10-50 weight%, and waste gypsum powder 10-20 weight%.
  • the mixed mortar is put into a molding mold and press-molded to obtain a brick molded body, and then cured to complete the soil brick production.
  • the molding is preferably molded by applying pressure and vibration, for example, a dry hydraulic molding method, a vacuum blower molding method, a wet vacuum molding method and the like can be used.
  • Curing the brick molded body in the present invention is preferably carried out for 24 to 72 hours at a temperature of 20 ⁇ 50 °C, but is not necessarily limited to the method such as heating curing to steam curing.
  • the soil brick is manufactured by the above method, which has a high absorption strength and low absorption rate, which is equivalent to or exceeds the strength of the concrete block or clay block. That is, the soil brick manufactured by the manufacturing method according to the present invention may have a compressive strength (compressive strength according to KS F4004 criteria) of 8 days or more, specifically, 15 to 25 MPa based on 28 days of age. 10% or less is possible.
  • a compressive strength compressive strength according to KS F4004 criteria
  • the soil brick produced by the method according to the invention can be used as masonry bricks for construction, it can also be used as floor bricks for floor construction.
  • various types of soil bricks or soil blocks can be produced by the production method according to the present invention.For example, building masonry bricks, floor bricks for sidewalks or roadways, lakeside blocks, water purification blocks, retaining wall blocks, agricultural drainage channels, boundary stones Can also be used as perforated blocks, earthen tiles, etc.
  • the soil solidifying material used in the manufacturing method of the soil brick according to the present invention is easy to manufacture because it does not contain other components in addition to the cement and soil solidifying agent composition, the components contained in the soil solidifying agent composition is a medium between the soil and cement It acts to strengthen the bond between the two and promote the solidification action.
  • various powders obtained from waste materials for example, oyster shell powder, waste brown tube powder, purified sludge powder, waste glass powder, and waste gypsum powder, the strength can be enhanced and the recycling effect of industrial waste can be obtained. .
  • Magnesium chloride and sodium chloride were poured into a mixing vessel at room temperature according to the composition of Table 1 below, and the remaining components were mixed in order to prepare a soil hardening composition.
  • the soil solidifying agent composition and the portant cement obtained in Preparation Examples 1 to 3 were mixed in the ratio of Table 2 to prepare a soil solidifying material.
  • the raw material composition powder is added to a four-column multi-screw and rotated at a speed of about 600 RPM and stirred evenly, Water was added thereto, and the mixture was further stirred uniformly to prepare a mixed mortar.
  • the mixed mortar prepared as described above was put into a molding mold for manufacturing bricks and pressure-molded to prepare a brick molded body, and then cured for 48 hours at 25 ° C. to complete the production of soil bricks.
  • the uniaxial compressive strength was measured based on KS F 4004 standard, and the results are summarized in Table 3 below.
  • the absorption rate was measured based on the KSL 4201 standard in order to confirm the absorption rate characteristics, and the results are summarized in Table 3 below.
  • Example 1 12.0 14.2 16.2 8
  • Example 2 12.2 15.2 18.0 9
  • Example 3 12.5 15.5 18.2 8
  • Example 4 11.5 13.0 17.1 9
  • Example 5 11.9 13.2 18.5 9
  • Example 6 12.0 13.9 19.0 8
  • Example 7 11.0 14.2 18.9 8
  • Example 8 12.0 15.2 19.2 8
  • Example 9 12.2 15.1 19.0 7 Comparative Example 1 5.8 6.9 8.5 15
  • the soil brick sample prepared by using the soil solidified material consisting of a mixture of the soil solidifying agent composition and cement according to the present invention and clay and waste materials is used only in general Portland cement and clay. It can be seen that exhibiting excellent strength characteristics compared to the soil brick sample prepared by using, and also the absorption rate is kept low.

Abstract

The present invention relates to a method for manufacturing a soil brick having a high strength and a low absorption rate using an unfiring forming method. More specifically, the present invention provides a technology for stably manufacturing a high strength soil brick by mixing a solidifying material composed of a cement and soil solidifying composition as a powder component mixed with a soil, and a waste material powder such as an oyster shell powder and a waste cathode ray tube powder, and applying the same to the soil. According to the present invention, cementation of the soil can be accelerated and reinforced by strengthening a bond between the surface of the cement and the soil by the soil solidifying composition; the strength can be more improved by mixing and using the waste material powder; and the waste material is recycled to have an effect of reducing secondary environmental pollution caused by the waste material. Moreover, the soil brick manufactured by the method according to the present invention has highly excellent properties such as durability, compression strength, and absorbency, has excellent workability and constructability, and even has excellent economic advantages, allowing use in masonry bricks, flooring bricks, and various kinds of blocks.

Description

비소성 성형법을 이용한 고강도 저흡수율을 갖는 흙 벽돌의 제조 방법Manufacturing method of soil brick having high strength and low water absorption using non-plastic forming method
본 발명은 비소성 성형법을 이용한 고강도 저흡수율을 갖는 흙 벽돌의 제조 방법에 관한 것으로서, 더욱 상세하게는 시멘트 표면과 토양 간의 결합을 강화하여 토양의 고화를 촉진 및 강화할 수 있는 새로운 고화제 조성물을 이용하여 점토, 실트 등 토양을 주원료로 사용하여 고강도 및 저흡수율을 갖는 흙 벽돌로 제조하는 기술에 관한 것이다. The present invention relates to a method of manufacturing a soil brick having high strength and low water absorption using a non-plastic forming method, and more particularly, by using a new solidifying agent composition which can promote and strengthen the solidification of soil by strengthening the bond between the cement surface and the soil. The present invention relates to a technique for manufacturing clay brick having high strength and low water absorption using soil such as clay and silt as a main raw material.
건물이나 도로 등의 건설을 위해서는 주원료로서 골재를 사용하여야 하나, 골재가 없는 지역에서는 골재 대용으로 사용하기 위해 토양을 소성하여 흙 벽돌을 만들고 이렇게 만들어진 흙 벽돌을 분쇄하여 골재로 사용한다. Aggregate should be used as the main raw material for the construction of buildings or roads, but in the absence of aggregates, the soil is fired by firing the soil to be used as a substitute.
그러나, 토양을 소성하여 흙 벽돌을 제조할 경우 성형 후에 최소 하루 이상 건조시켜야 하고 1500℃에 이르는 소성로에서 24 시간 이상 소성한 후 15~20일 이후 소성로를 해체하고 흙 벽돌을 얻기 때문에 전체 과정이 약 1개월 이상 소요되고 소성 과정에서 과도한 연료가 소모되어 비경제적이며, 주로 석탄, 석유, 가스 등을 사용하는 연료의 연소로 인해 이산화탄소의 배출량이 증가하고 공기 오염이 심각해지는 등 환경적 문제도 해결해야 할 난제이다. However, when the soil brick is manufactured by firing the soil, it must be dried for at least one day after molding, and after firing for 24 hours in a kiln reaching 1500 ° C., the kiln is dismantled after 15 to 20 days and the soil brick is obtained. It takes more than a month and consumes too much fuel during the firing process, which is uneconomical. Also, environmental issues such as increased carbon dioxide emissions and severe air pollution are caused by the combustion of fuels that mainly use coal, oil, and gas. Difficult to do.
또한, 소성 방식으로 제조되는 흙 벽돌은 강도가 부족하고 내구성 및 내수성이 열악하며 건조 과정에서 쉽게 갈라지고 파손되며 유연성과 탄력성이 거의 없고 진동 흡수가 되지 않아 건축물의 내외벽용으로 사용되기는 적합하지 않은 문제가 있다. In addition, the earthen brick produced by the plastic method is insufficient strength, poor durability and water resistance, easily cracked and broken during the drying process, flexibility and elasticity is little and vibration absorption is not suitable for use for interior and exterior walls of buildings There is.
이러한 소성식 흙 벽돌 제조 방법의 문제점을 해결하기 위해 최근에는 비소성식 흙 벽돌 제조 방법이 많이 제안되고 있다. In order to solve the problems of the plastic clay brick manufacturing method, a number of non-plastic clay brick manufacturing methods have recently been proposed.
예를 들어, 대한민국 등록특허 제10-0863061호는 흙과 골재 및 분체 첨가물을 혼합한 후 액상 첨가물과 물을 혼합하여 얻은 혼합 모르타르를 비소성 가압 성형하고 양생하여 흙 벽돌을 제조하는 방법을 제안한다. 그러나, 여기에 기재된 기술은 골재를 사용시켜 흙 벽돌을 제조하는 기술이므로 골재의 수급이 어려운 경우에는 적용이 어려운 기술이다. For example, Korean Patent No. 10-0863061 proposes a method of manufacturing soil bricks by non-baking pressure molding and curing mixed mortar obtained by mixing soil, aggregate, and powder additives followed by mixing liquid additives and water. . However, the technique described herein is a technique for producing soil brick using aggregate, so that it is difficult to apply when the supply and demand of aggregate is difficult.
또한, 대한민국 공개특허 특2003-0036403호는 자연토를 이용한 비소성 소일 블록 제조 기술에 관한 것으로서, 자연토, 생석회, 고로슬래그 시멘트, 천연광물성 무기질 첨가제 및 산화철로 구성되어 고온 소성하지 않고 가압 성형하여 종래의 콘크리트 블록 수준의 강도를 갖고 내구성 및 내수성이 뛰어나며 하천 식생 활착에 유리한 자연친화적 소일 블록의 제조 기술을 제안한다. 그러나, 여기에 기재된 기술은 소일 블록 제조시 일반시멘트를 사용하지 않고 고로슬래그 시멘트를 대체품으로 사용함으로써 호안 블록을 친환경적으로 제조하기 위한 기술에 불과하다. In addition, the Republic of Korea Patent Publication No. 2003-0036403 relates to a non-fired SOIL block manufacturing technology using natural soil, consisting of natural soil, quicklime, blast furnace slag cement, natural mineral inorganic additives and iron oxides without pressure firing The present invention proposes a manufacturing method of a natural-friendly soil block having strength of the conventional concrete block level, excellent durability and water resistance, and advantageous for river vegetation lubrication. However, the technology described herein is only a technique for eco-friendly manufacturing of the relief block by using the blast furnace slag cement as a substitute for using a cement instead of the general cement in the manufacturing of the block.
또한, 대한민국 등록특허 제10-1185365호는 슬래그, 석회, 석고, 플라이애시, 실리카흄으로 구성된 무기 분말과 탄산칼슘을 혼합하여 무기결합재를 제조하고 이렇게 제조된 무기결합재와 흙을 혼합하여 가압 성형에 의해 흙 블록을 제조하는 기술을 제안한다. 그러나, 여기에 기재된 기술 또한, 일반시멘트 대신에 슬래그, 플라이애시 등의 산업부산물을 사용했다는 점에서만 차이가 있을 뿐이고, 상기 산업부산물을 재활용하기 위한 용도로서 식생 블록이나 호안 블록을 제조하기 위한 기술에 불과하다. In addition, the Republic of Korea Patent No. 10-1185365 is prepared by mixing the inorganic powder consisting of slag, lime, gypsum, fly ash, silica fume and calcium carbonate to prepare an inorganic binder and by mixing the inorganic binder and the soil thus prepared by pressure molding Suggest a technique for manufacturing the earth block. However, the technology described herein also differs only in that industrial by-products such as slag and fly ash are used in place of general cement, and the technique for producing vegetation blocks or revetment blocks for the purpose of recycling the industrial by-products. It is only.
또한, 대한민국 등록특허 제10-1069249호는 일반토양과 골재로 이루어진 베이스재에, 고로 슬래그 미분말, 황산알루미늄 및 천연펄프를 혼합하여 얻어진 혼합물을 가압 성형하여 비소성법으로 흙 블록을 제조하는 기술을 제안한다. 그러나, 여기에 기재된 기술은 골재를 사용시켜 흙 블록을 제조하는 기술이므로 골재의 수급이 어려운 경우에는 적용이 어렵고, 또한, 시멘트 대신에 고로 슬래그 미분말을 사용함으로써 산업부산물을 재활용하기 위한 기술에 불과하다. In addition, the Republic of Korea Patent No. 10-1069249 proposes a technique for producing a soil block by a non-baking method by press molding a mixture obtained by mixing blast furnace slag fine powder, aluminum sulfate and natural pulp on a base material consisting of general soil and aggregate. do. However, the technique described here is a technique for manufacturing soil blocks using aggregates, so it is difficult to apply when supply and demand of aggregates is difficult, and it is only a technique for recycling industrial by-products by using blast furnace slag powder instead of cement. .
또한, 대한민국 등록특허 제10-1195380호는 자연 건조된 황토를 600~900℃로 가열한 후 급냉시켜 활성황토를 얻고 여기에 알칼리자극제, 천연섬유 및 슬래그, 애시 등으로 이루어진 산업부산물을 혼합하여 흙 블록을 제조하는 기술을 제안한다. 그러나, 여기에 기재된 기술은 활성황토를 얻기 위해 자연 건조된 황토를 소성해야 하는 문제가 있어 기존 소성 방식의 흙 벽돌 제조 방법의 문제를 그대로 가지고 있고, 주로 산업부산물을 재활용하기 위한 기술로서 호안 블록을 친환경적으로 제조하기 위한 기술에 불과하다. In addition, the Republic of Korea Patent No. 10-1195380 is the natural dried ocher heated to 600 ~ 900 ℃ and then quenched to obtain the active ocher and mixed with industrial by-products consisting of alkali stimulant, natural fiber and slag, ash, etc. We propose a technique for manufacturing blocks. However, the technology described here has the problem of calcining the naturally dried ocher to obtain activated ocher, which has the same problem as the conventional method of manufacturing soil bricks, and is mainly used as a technology for recycling industrial byproducts. It's just a technology for eco-friendly manufacturing.
또한, 대한민국 등록특허 제10-0676311호는 황토에 시멘트, 천연섬유, 제올라이트, 숯을 혼합하여 이를 가압 성형함에 의해 흙 블록을 제조하는 기술을 제안한다. 이 기술에서는 제올라이트 및 숯의 작용으로 인해 강성을 강화할 수 있고 수분 및 양분 보존 기능을 가지며 수분의 통로를 확보할 수 있고 블록 표면이 화염에 노출되는 경우에는 내화기능을 갖도록 할 수 있다고 설명하고 있다. 그러나, 여기에 기재된 기술은 식생 블록을 제조하기 위한 기술에 불과하다. In addition, the Republic of Korea Patent No. 10-0676311 proposes a technique for manufacturing a soil block by mixing the cement, natural fibers, zeolite, charcoal in the ocher by pressure molding it. The technique explains that the action of zeolites and charcoal can enhance stiffness, preserve moisture and nutrients, secure passage of moisture, and provide fire resistance when the block surface is exposed to flame. However, the techniques described herein are merely techniques for manufacturing vegetation blocks.
이와 같이, 종래의 비소성 흙 벽돌 제조 기술들은 각각의 특징과 장점을 갖고 있는 반면, 한계점 및 문제점도 존재하기 때문에 이러한 문제점을 해결하고 개선할 필요가 있는 상황이었다. As described above, the conventional non-fired earth brick manufacturing techniques have their respective features and advantages, but there are also limitations and problems, and therefore, there is a need to solve and improve these problems.
본 발명은 상기와 같은 상황을 고려하여 도출된 것으로서, 점토, 해안습지, 뻘이나 수중 이토질, 퇴적물 등의 토양을 고화시켜 흙 벽돌을 제조하기 위하여 고화재로서 종래와 같이 시멘트에 포졸란 물질을 추가로 사용함이 없이 고화 촉진제의 조성을 새롭게 구성함으로써 고화 촉진제 중의 이온성 물질이 시멘트 표면과 토양 중의 유기질 물질과의 이온성 결합을 강화할 수 있도록 함에 의해 고화를 촉진하고 굴껍질, 폐유리, 폐브라운관 등으로부터 얻어진 분말을 혼합함으로써 압축 강도를 향상시켜 콘크리트 벽돌 내지 점토 벽돌의 강도를 넘어서는 고강도와 저흡수율을 갖는 흙 벽돌을 제조하는 기술을 제공하고자 한다. The present invention has been derived in consideration of the above situation, in order to solidify the soil, such as clay, coastal wetland, sewage, underwater soils, sediments, etc. to produce soil bricks as a solidified material to the pozzolan material in the cement as in the prior art The composition of the solidification accelerator can be renewed without the use of chlorine, so that the ionic substance in the solidification accelerator can strengthen the ionic bond between the cement surface and the organic substance in the soil. It is intended to provide a technique for improving the compressive strength by mixing the obtained powder to produce a soil brick having a high strength and a low absorption rate beyond the strength of the concrete brick to clay brick.
상술한 과제의 해결 수단으로서 본 발명은,The present invention as a means for solving the above problems,
(1) 염화마그네슘 20~24 중량%, 염화나트륨 20~24 중량%, 염화칼륨 14~16 중량%, 염화칼슘 10~12 중량%, 황산나트륨 4~6 중량%, 리그닌술폰산염 6~8 중량%, 트리폴리인산나트륨 1~3 중량%, 황산알루미늄 9~11 중량%, 탄산칼슘 2~4 중량% 및 과인산석회 2~4 중량%을 혼합 및 교반하여 흙 고화제 조성물을 제조하는 단계;(1) 20 to 24% by weight of magnesium chloride, 20 to 24% by weight of sodium chloride, 14 to 16% by weight of potassium chloride, 10 to 12% by weight of calcium chloride, 4 to 6% by weight of sodium sulfate, 6 to 8% by weight of lignin sulfonate, tripolyphosphoric acid Preparing a soil hardener composition by mixing and stirring 1 to 3% by weight of sodium, 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;
(2) 시멘트 100 중량부와 상기 (1)에서 얻어지는 흙 고화제 조성물 0.2~2 중량부를 혼합 및 교반하여 흙 고화재를 제조하는 단계;(2) mixing and stirring 100 parts by weight of cement and 0.2-2 parts by weight of the soil hardener composition obtained in the above (1) to produce a soil solidified material;
(3) 함수비 1~10%를 갖는 토양 100 중량부에 상기 (2)에서 얻어지는 흙 고화재 10 내지 20 중량부, 및 굴껍질 분말, 폐브라운관 분말, 정수 슬러지 분말, 폐유리 분말 및 폐석고 분말 중에서 선택되는 1종의 분말 또는 2종 이상의 혼합 분말 1 내지 20 중량부를 혼합하여 원료 조성물 분체를 얻는 단계;(3) from 10 to 20 parts by weight of the soil solidified material obtained in the above (2) to 100 parts by weight of soil having a water content of 1 to 10%, and oyster shell powder, waste brown tube powder, purified sludge powder, waste glass powder and waste gypsum 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) 상기 (3)에서 얻어지는 원료 조성물 분체 100 중량부에 1 내지 10 중량부의 물을 혼합하여 혼합 모르타르를 얻는 단계; (4) mixing 1 to 10 parts by weight of water to 100 parts by weight of the raw material composition powder obtained in (3) to obtain a mixed mortar;
(5) 상기 (4)에서 얻어지는 혼합 모르타르를 성형 몰드에 투입하고 가압 성형하여 벽돌 성형체를 얻는 단계; 및 (5) injecting the mixed mortar obtained in the above (4) into a molding mold and pressing to obtain a brick molded body; And
(6) 상기 얻어진 벽돌 성형체를 양생하는 단계(6) curing the obtained brick molded body
를 포함하는 흙 벽돌 제조 방법을 제공한다.It provides a soil brick manufacturing method comprising a.
본 발명에 의하면 흙 고화제 조성물과 시멘트 외에는 별도의 포졸란 물질이 사용되지 않으므로 제조가 쉽고, 토양 성분과 시멘트 성분과의 결합을 강화하고 고화를 촉진하기 때문에 신속한 고화 처리가 가능하며, 압축 강도도 표준일반시방서의 압축 강도 기준을 초과하는 고강도 압축 강도 결과를 보인다. 따라서 본 발명에 따른 흙 고화제 조성물을 사용하여 흙 벽돌을 제조할 경우 비소성 방법에 의해 고강도 저흡수율을 갖는 흙 벽돌을 제조할 수 있고, 골재의 수급이 어려운 지역에서도 각종 흙 벽돌 제조 및 이를 이용한 건축 및 도로 건설이 원활히 진행될 수 있다. According to the present invention, since no pozzolanic material is used except for the soil hardener composition and cement, it is easy to manufacture, and the solidification of the soil and the cement is enhanced, and the solidification can be performed quickly. High compressive strength results exceeding the compressive strength criteria of the general specification. Therefore, when manufacturing the soil brick using the soil solidifying agent composition according to the present invention can produce a soil brick having a high strength and low absorption rate by a non-plastic method, the production of various soil bricks even in a region where supply of aggregate is difficult Architecture and road construction can proceed smoothly.
또한, 제품의 내구성 및 내수성과 함께 균열 방지 효과가 우수하며 혹한기 동파 방지 효과도 우수하다. In addition, it is excellent in preventing cracks and freezing in cold weather with durability and water resistance of the product.
이하에서는 본 발명의 실시를 위한 구체적인 내용을 설명하기로 한다.Hereinafter will be described in detail for the practice of the present invention.
본 발명에 따른 흙 벽돌 제조 방법은 Soil brick manufacturing method according to the invention
(1) 염화마그네슘 20~24 중량%, 염화나트륨 20~24 중량%, 염화칼륨 14~16 중량%, 염화칼슘 10~12 중량%, 황산나트륨 4~6 중량%, 리그닌술폰산염 6~8 중량%, 트리폴리인산나트륨 1~3 중량%, 황산알루미늄 9~11 중량%, 탄산칼슘 2~4 중량% 및 과인산석회 2~4 중량%을 혼합 및 교반하여 흙 고화제 조성물을 제조하는 단계;(1) 20 to 24% by weight of magnesium chloride, 20 to 24% by weight of sodium chloride, 14 to 16% by weight of potassium chloride, 10 to 12% by weight of calcium chloride, 4 to 6% by weight of sodium sulfate, 6 to 8% by weight of lignin sulfonate, tripolyphosphoric acid Preparing a soil hardener composition by mixing and stirring 1 to 3% by weight of sodium, 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;
(2) 시멘트 100 중량부와 상기 (1)에서 얻어지는 흙 고화제 조성물 0.2~2 중량부를 혼합 및 교반하여 흙 고화재를 제조하는 단계;(2) mixing and stirring 100 parts by weight of cement and 0.2-2 parts by weight of the soil hardener composition obtained in the above (1) to produce a soil solidified material;
(3) 함수비 1~10%를 갖는 토양 100 중량부에 상기 (2)에서 얻어지는 흙 고화재 10 내지 20 중량부, 및 굴껍질 분말, 폐브라운관 분말, 정수 슬러지 분말, 폐유리 분말 및 폐석고 분말 중에서 선택되는 1종의 분말 또는 2종 이상의 혼합 분말 1 내지 20 중량부를 혼합하여 원료 조성물 분체를 얻는 단계;(3) from 10 to 20 parts by weight of the soil solidified material obtained in the above (2) to 100 parts by weight of soil having a water content of 1 to 10%, and oyster shell powder, waste brown tube powder, purified sludge powder, waste glass powder and waste gypsum 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) 상기 (3)에서 얻어지는 원료 조성물 분체 100 중량부에 1 내지 10 중량부의 물을 혼합하여 혼합 모르타르를 얻는 단계; (4) mixing 1 to 10 parts by weight of water to 100 parts by weight of the raw material composition powder obtained in (3) to obtain a mixed mortar;
(5) 상기 (4)에서 얻어지는 혼합 모르타르를 성형 몰드에 투입하고 가압 성형하여 벽돌 성형체를 얻는 단계; 및 (5) injecting the mixed mortar obtained in the above (4) into a molding mold and pressing to obtain a brick molded body; And
(6) 상기 얻어진 벽돌 성형체를 양생하는 단계(6) curing the obtained brick molded body
를 포함하여 구성된다. It is configured to include.
본 발명에서 상기 원료 조성물 분체는 시멘트와 흙 고화제 조성물의 혼합물로 이루어진 흙 고화재에 토양, 구체적으로는 함수비 1~10%를 갖는 토양을 혼합하고, 굴껍질 분말, 폐브라운관 분말, 정수 슬러지 분말, 폐유리 분말(구체적으로는 폐차 유리의 분말로서, 필름이나 열선 등을 포함하는 유리를 분쇄하여 얻어진 분말) 및 폐석고 분말 중에서 선택되는 1종의 분말 또는 2종 이상의 혼합 분말을 혼합하여 얻어지며 이렇게 얻어진 원료 조성물 분체에 물을 혼합하여 혼합 모르타르를 얻고 이를 가압 성형 및 양생하는 방법으로 흙 벽돌을 제조한다. In the present invention, the raw material composition powder is mixed with the soil solidified material consisting of a mixture of cement and soil solidifying agent composition, specifically soil having a water content of 1 to 10%, oyster shell powder, waste brown tube powder, purified sludge powder Is obtained by mixing one or two or more kinds of powders selected from waste glass powder (specifically, powder of waste car glass, powder obtained by pulverizing a glass containing a film or a hot wire, etc.) and waste gypsum powder. The soil brick is manufactured by mixing water with the obtained raw material composition powder to obtain a mixed mortar and pressing and curing the same.
먼저, 본 발명의 흙 벽돌 제조 방법에 사용되는 흙 고화제 조성물에 관하여 설명한다. First, the soil hardening agent composition used for the soil brick manufacturing method of this invention is demonstrated.
본 발명에서 상기 흙 고화제 조성물은 염화마그네슘 20~24 중량%, 염화나트륨 20~24 중량%, 염화칼륨 14~16 중량%, 염화칼슘 10~12 중량%, 황산나트륨 4~6 중량%, 리그닌술폰산염 6~8 중량%, 트리폴리인산나트륨 1~3 중량%, 황산알루미늄 9~11 중량%, 탄산칼슘 2~4 중량% 및 과인산석회 2~4 중량%를 포함하는 조성물로 이루어진다. In the present invention, the soil hardening composition is 20 to 24% by weight of magnesium chloride, 20 to 24% by weight of sodium chloride, 14 to 16% by weight of potassium chloride, 10 to 12% by weight of calcium chloride, 4 to 6% by weight of sodium sulfate, and 6 to 6% by weight of lignin sulfonate. 8 wt%, sodium tripolyphosphate 1-3 wt%, aluminum sulfate 9-11 wt%, calcium carbonate 2-4 wt% and lime phosphate 2-4 wt%.
본 발명에 따른 상기 흙 고화제 조성물에서 상기 염화마그네슘은 토양 중의 수분을 흡수하는 작용이 있으며, 사용 범위는 20~24 중량%로 포함되는 것이 바람직하다. The magnesium chloride in the soil hardener composition according to the present invention has a function of absorbing moisture in the soil, the use range is preferably included in 20 to 24% by weight.
또한, 본 발명에 따른 상기 흙 고화제 조성물에서 상기 염화나트륨은 고결화하고자 하는 토양 내에 설페이트 염의 생성을 촉진시킴으로써 조기 강성을 유도하는 작용을 하며, 사용 범위는 20~24 중량%로 포함되는 것이 바람직하다. In addition, in the soil solidification composition according to the present invention, the sodium chloride acts to induce early stiffness by promoting the production of sulfate salts in the soil to be solidified, the use range is preferably included in 20 to 24% by weight. .
또한, 본 발명에 따른 상기 흙 고화제 조성물에서 상기 염화칼륨은 시멘트의 수화반응을 촉진하는 작용을 하며, 사용 범위는 14~16 중량%로 포함되는 것이 바람직하다. In addition, the potassium chloride in the soil hardener composition according to the present invention serves to promote the hydration reaction of cement, the use range is preferably included in 14 to 16% by weight.
또한, 본 발명에 따른 상기 흙 고화제 조성물에서 염화칼슘은 발열 반응을 촉진하여 수화 반응을 유도하는 작용을 하며, 사용 범위는 10~12 중량%로 포함되는 것이 바람직하다.In addition, the calcium chloride in the soil solidification composition according to the present invention promotes an exothermic reaction to induce a hydration reaction, the use range is preferably contained in 10 to 12% by weight.
또한, 본 발명에 따른 상기 흙 고화제 조성물에서 황산나트륨은 황화 반응을 촉진하여 조직을 치밀하게 하는 역할을 하며, 사용 범위는 4~6 중량%로 포함되는 것이 바람직하다. In addition, sodium sulfate in the soil solidification composition according to the present invention serves to promote the sulfidation reaction to compact the tissue, the use range is preferably included in 4 to 6% by weight.
또한, 본 발명에 따른 상기 흙 고화제 조성물에서 리그닌술폰산염은 시멘트 입자를 흡자막으로 둘러싸서 분산성과 흙과의 응집성을 강화시키는 역할을 하며 감수를 유지시켜 점토 등의 토양 미립자를 응집시키고 보수성을 가져 장기 안정성을 유지하는 작용을 한다. 본 발명에서 리그닌술폰산염은 6~8 중량%로 포함되는 것이 바람직하다. In addition, the lignin sulfonate in the soil solidifying agent composition according to the present invention surrounds the cement particles with an intake film to enhance dispersibility and cohesiveness with the soil and maintain water sensitization to aggregate soil fine particles such as clay and maintain water It acts to maintain long-term stability. Lignin sulfonate in the present invention is preferably included in 6 to 8% by weight.
또한, 본 발명에 따른 상기 흙 고화제 조성물에서 트리폴리인산나트륨은 응집 상태의 토양 미립자를 분산시켜 시멘트와의 응결 고화를 강화하는 작용을 하며, 그 사용 범위는 1~3 중량%로 포함되는 것이 바람직하다. In addition, sodium tripolyphosphate in the soil solidifying agent composition according to the present invention serves to disperse the aggregated soil fine particles to enhance the solidification of the coagulation with cement, the use range is preferably contained in 1 to 3% by weight. Do.
또한, 본 발명에 따른 상기 흙 고화제 조성물에서 황산알루미늄은 이온교환반응을 통해 알루미늄 이온이 토양 표면의 (-)기와 이온 결합하고 음이온은 시멘트 표면의 (+)기와 이온 결합을 유도하여 고화를 촉진하고 강성을 증진시키는 역할을 한다. 본 발명에서 상기 황산알루미늄은 9~11 중량%로 포함되는 것이 바람직하다. In addition, in the soil solidifying composition according to the present invention, aluminum sulfate is ion-bonded to the negative surface of the soil surface by ion exchange reaction, and the anion promotes solidification by inducing ion bond to the positive surface of the cement surface. And promotes rigidity. In the present invention, the aluminum sulfate is preferably included in 9 to 11% by weight.
또한, 본 발명에 따른 상기 흙 고화제 조성물에서 탄산칼슘은 토양의 응결을 촉진하고 수축을 방지하는 역할을 하며, 사용 범위는 2~4 중량%로 포함되는 것이 바람직하다. In addition, the calcium carbonate in the soil solidification composition according to the invention serves to promote the condensation of the soil and prevent shrinkage, the use range is preferably contained in 2 to 4% by weight.
또한, 본 발명에 따른 상기 흙 고화제 조성물에서 과인산석회는 시멘트와 반응하여 에트린자이트를 형성함으로써 조직을 치밀하게 하고 강도 발현에 기여하며, 사용 범위는 2~4 중량%로 포함되는 것이 바람직하다. In addition, in the soil solidifying composition according to the present invention, the superphosphate lime reacts with cement to form ethrinite, thereby densifying tissues and contributing to the development of strength, and the use range is preferably 2 to 4% by weight. Do.
*본 발명에 따른 상기 흙 고화제 조성물에 사용되는 성분들은 모두 물에 잘 녹는 성분 및 물에 대한 분산성이 좋은 성분들로서 중금속이나 기타 유해성 물질의 부산물이 생기지 않아 친환경적이다. * The components used in the soil solidifying agent composition according to the present invention are all environmentally friendly because they do not produce by-products of heavy metals or other harmful substances as well-soluble components and good dispersibility in water.
또한, 기존의 흙 고화제의 경우 시멘트와 점성토의 결합을 강화하기 위해 마사토, 반응제, 경화제, 벤토나이트, 고체산 촉매 등을 혼합하여 사용하였는데, 고가의 성분을 추가함으로써 경제성이 떨어지고 만족할만한 효과를 보이지 못했다. In addition, in the case of the existing soil hardener, a mixture of masato, a reactive agent, a curing agent, a bentonite, a solid acid catalyst, and the like was used to strengthen the bond between cement and viscous soil. I didn't see it.
본 발명은 물에 쉽게 녹는 염으로 이루어진 동시에 다수의 양이온들이 토양의 표면에 대전된 음이온과 이온 결합하고, 음이온은 시멘트 표면에 대전된 양이온과 이온 결합함으로써 토양 입자와 시멘트 입자 사이에서 결합을 매개하는 역할을 한다. 또한, 각 성분의 특성으로 인해 수화 작용, 고결 작용 및 수분 흡수 작용 등을 촉진하여 고결화 효과를 조기에 발현되도록 하고 강도를 증진시키게 된다. The present invention consists of salts that are easily soluble in water and at the same time a plurality of cations ionically bond with anions charged on the surface of the soil, and the anions mediate bonds between soil particles and cement particles by ionically bonding cations charged on the surface of the cement. Play a role. In addition, the properties of each component promotes hydration, freezing, and water absorption, so that the freezing effect is expressed early and strength is enhanced.
본 발명에서 상기 흙 고화제 조성물은 다른 성분의 추가 없이 시멘트와만 혼합되어 흙 고화재를 구성한다. 시멘트는 그 종류에 제한되지 않으므로 일반 포틀랜트 시멘트, 슬래그 시멘트, 조강 시멘트 등이 단독 또는 조합으로 사용될 수 있다. In the present invention, the soil hardener composition is mixed with cement only without the addition of other components to form the soil solidifier. Since cement is not limited to the type thereof, general portland cement, slag cement, crude steel cement, or the like may be used alone or in combination.
참고로, 본 발명에서 "흙 고화제"는 사용량이 비교적 적어서 자체 부피가 흙과의 배합 계산에서 무시될 수 있는 것을 의미하고, "흙 고화재"는 사용량이 비교적 많아서 자체 부피가 흙과의 배합 계산에 관계되는 것을 의미하므로 구별된다.For reference, in the present invention, "soil hardener" means that the amount of use is relatively small, so that its own volume can be neglected in the calculation with the soil. It is distinguished because it means related to the calculation.
본 발명에 따른 흙 고화재에 포함되는 성분은 시멘트 100 중량부와 상기 (1)에서 얻어지는 흙 고화제 조성물 0.2 내지 2.0 중량부가 혼합되어 구성된다. The component contained in the soil solidifying material according to the present invention is composed of 100 parts by weight of cement and 0.2 to 2.0 parts by weight of the soil solidifying agent composition obtained in the above (1).
상기 흙 고화재 내의 시멘트 입자는 표면이 활성화되어 기포를 발생시키며 토양의 미립자를 흡착하여 응결을 강화한다. 또한, 시멘트의 수화 반응이 진행됨에 따라 표면이 팽창하여 성형품 내에 골고루 분포하게 된다. Cement particles in the soil solidified material is activated by the surface to generate bubbles and to adsorb the fine particles of the soil to strengthen the condensation. In addition, as the hydration reaction of cement proceeds, the surface expands and is evenly distributed in the molded article.
상기와 같이 얻어지는 본 발명에 따른 흙 고화재를 이용하여 흙 벽돌을 제조하고자 하는 토양의 함수율과 목표로 하는 압축강도에 따라 적절한 함량으로 혼합함으로써 흙 벽돌을 제조할 수 있다. 즉, 토양의 함수율이 높거나 목표로 하는 압축강도가 큰 경우에 흙 고화재를 다량 첨가할 수 있다. Using the soil solidified material according to the present invention obtained as described above it can be produced by mixing in an appropriate content according to the moisture content and the target compressive strength of the soil to prepare the soil brick. That is, when the soil moisture content is high or the target compressive strength is large, a large amount of soil solidified material can be added.
본 발명에서 사용되는 흙 고화재의 함량은 함수비 1 내지 10%를 갖는 토양 100 중량부를 기준으로 10~20 중량부의 범위로 혼합 사용되는 것이 바람직하다. 상기 흙 고화재의 사용량이 10 중량부 미만이면 고도의 압축강도 발현이 어렵고 20 중량부를 초과하면 강도가 더 이상 증가하기 어렵고 제조 비용만 증가하므로 상기 범위에서 혼합 사용되는 것이 바람직하다. The content of the soil solidified material used in the present invention is preferably used in a mixture of 10 to 20 parts by weight based on 100 parts by weight of the soil having a water content of 1 to 10%. When the amount of the soil solidified material is less than 10 parts by weight, it is difficult to express high compressive strength, and if it exceeds 20 parts by weight, the strength is no longer increased and the manufacturing cost increases, so it is preferable to be used in the above range.
본 발명에서, 상기 토양은 부드럽고 압축성이 토양으로서 예를 들어, 점토, 실트 또는 이탄 등을 들 수 있으나, 이에 한정되는 것은 아니다. 상기 토양은 일반 포틀랜트 시멘트, 슬래그 시멘트 등을 사용하여 흙 벽돌을 제조할 경우에는 토양 내 유기물질에 의해 수화반응이 방해를 받고, 이를 해결하기 위해 시멘트를 다량 사용할 경우에는 건조 수축에 의해 균열이 발생하는 문제점이 있다. In the present invention, the soil is soft and compressible soil, for example, clay, silt or peat and the like, but is not limited thereto. When the soil brick is manufactured using general portland cement or slag cement, the soil is hindered by the hydration reaction by organic substances in the soil, and when a large amount of cement is used to solve this problem, cracking is caused by dry shrinkage. There is a problem that occurs.
구체적으로, 본 발명의 흙 벽돌 제조 대상이 되는 토양은 하수 슬러지, 주물사 또는 뻘 등을 예로 들 수 있고, 강이나 바다의 바닥에 퇴적된 퇴적 토양 등도 포함된다. 이 때 상기 토양은 건조 과정 등을 통해 함수비 1~10%를 갖는 것을 사용하는 것이 바람직하다. Specifically, the soil to be manufactured in the soil brick of the present invention may be, for example, sewage sludge, foundry sand or sewage, and also includes sedimentary soil deposited on the bottom of the river or sea. At this time, it is preferable to use the soil having a water content of 1 to 10% through a drying process.
본 발명에서는 금속염이 주성분을 이루는 흙 고화제 조성물을 시멘트와 혼합한 흙 고화재를 사용하여 토양과 시멘트 간의 결합을 유도하고 수화 반응과 수분 흡수 작용을 촉진함으로써 고화를 촉진하고 고도의 강도를 발현토록 하는 것을 특징으로 한다. In the present invention, using the soil solidifying material mixed with cement, the soil solidifying agent composition composed mainly of metal salts induces bonding between soil and cement, promotes hydration reaction and water absorption, thereby promoting solidification and expressing high strength. Characterized in that.
본 발명에 따른 토양을 이용한 흙 벽돌 제조 방법은 먼저 토양과 상기 본 발명에 따른 흙 고화재를 적당한 비율로 혼합한다. 이 때 혼합 비율은 요구 물성 등에 따라 달라질 수 있으나 상기 토양 100 중량부를 기준으로 흙 고화재가 10 ~ 20 중량부의 비율로 혼합되는 것이 바람직하다. Soil brick manufacturing method using the soil according to the present invention first mixes the soil and the soil solidified material according to the present invention in an appropriate ratio. At this time, the mixing ratio may vary depending on the required physical properties, but it is preferable that the soil solidified material is mixed at a ratio of 10 to 20 parts by weight based on 100 parts by weight of the soil.
여기에 굴껍질 분말, 폐브라운관 분말, 정수 슬러지 분말, 폐유리 분말 및 폐석고 분말 중에서 선택되는 1종의 분말 또는 2종 이상의 혼합 분말 1 내지 20 중량부를 혼합하여 원료 조성물 분체를 제조한다. A raw material composition powder is prepared by mixing 1 to 20 parts by weight of one powder selected from oyster shell powder, waste brown tube powder, purified sludge powder, waste glass powder and waste gypsum powder or two or more mixed powders.
이어서 상기 토양과 흙 고화재 및 분말(또는 혼합분말)을 혼합 및 교반함에 있어서 균일하게 혼합할 수 있는 일반적인 장비를 사용할 수 있으며, 예를 들어 8도 각도의 4열 다중 스크류를 구비한 교반기를 사용할 수 있으며 500~700 RPM의 속도로 회전하면서 골고루 교반시킬 수 있다. 이 때 교반장치에 분쇄 장치(예, 롤밀)를 구비하여 흙 입자 및 분말(또는 혼합분말)을 미세 입자화한 상태에서 혼합 및 교반을 실시할 수도 있다. Subsequently, general equipment for uniformly mixing in mixing and stirring the soil and soil solids and powders (or mixed powders) may be used. For example, an agitator having four rows of multiple screws at an angle of 8 degrees may be used. Can be stirred evenly while rotating at a speed of 500 ~ 700 RPM. At this time, the stirring device may be equipped with a grinding device (for example, a roll mill), and mixing and stirring may be performed in a state in which the soil particles and powder (or mixed powder) are finely granulated.
이와 같이 제조되는 원료 조성물 분체는 물을 혼합하여 그대로 흙 벽돌 제조를 위한 모르타르로 사용될 수도 있으며, 상기 폐자재로부터 얻어지는 분말(또는 혼합분말)로 인해 강도가 더욱 강화되고, 경제적 효과도 얻을 수 있으며, 폐기물 재활용으로 인해 2차적 환경 오염을 예방하는 효과도 있다.The raw material composition powder prepared as described above may be used as a mortar for manufacturing soil bricks by mixing water, and the powder (or mixed powder) obtained from the waste materials may further strengthen the strength and also obtain an economic effect. Waste recycling also has the effect of preventing secondary environmental pollution.
본 발명에서 상기 원료 조성물 분체에 포함될 수 있는 폐자재를 활용한 성분은 굴껍질 분말, 폐브라운관 분말, 정수 슬러지 분말, 폐유리 분말 및 폐석고 분말 중에서 선택될 수 있다. 상기 혼합 분말이 굴껍질 분말, 폐브라운관 분말, 정수 슬러지 분말, 폐유리 분말 및 폐석고 분말의 혼합물로 이루어질 경우에는 상기 각 성분의 함량 비율은 굴껍질 분말 10~30 중량%, 폐브라운관 분말 10~30 중량%, 정수 슬러지 분말 10~40 중량%, 폐유리 분말 10~50 중량% 및 폐석고 분말 10~20 중량%로 이루어지는 것이 바람직하다. In the present invention, the components utilizing waste materials which may be included in the raw material composition powder may be selected from oyster shell powder, waste brown tube powder, purified sludge powder, waste glass powder and waste gypsum powder. When the mixed powder consists of a mixture of oyster shell powder, waste brown tube powder, purified sludge powder, waste glass powder and waste gypsum powder, the content ratio of each component is 10-30 wt% of oyster shell powder, waste brown tube powder 10-30 It is preferable that it consists of weight%, purified water sludge powder 10-40 weight%, waste glass powder 10-50 weight%, and waste gypsum powder 10-20 weight%.
이와 같이 원료 조성물 분체를 얻은 후 여기에 물을 혼합하고 다시 균일하게 교반하여 혼합 모르타르를 제조한다. Thus, after obtaining powder of a raw material composition, water is mixed with it and it is made to stir again, and mixed mortar is manufactured.
이후 상기 혼합 모르타르를 성형 몰드에 투입하고 가압 성형하여 벽돌 성형체를 얻은 다음, 양생함으로써 흙 벽돌 제조가 완료된다. 본 발명에서 성형은 압력 및 진동을 가하여 성형하는 것이 바람직하며, 예를 들어 건식 유압 성형 방식, 진공토련기 성형 방식, 습식 진공 성형 방식 등이 사용될 수 있다. Thereafter, the mixed mortar is put into a molding mold and press-molded to obtain a brick molded body, and then cured to complete the soil brick production. In the present invention, the molding is preferably molded by applying pressure and vibration, for example, a dry hydraulic molding method, a vacuum blower molding method, a wet vacuum molding method and the like can be used.
본 발명에서 상기 벽돌 성형체를 양생하는 것은 20 ~ 50℃의 온도에서 24 내지 72 시간 동안 수행되는 것이 바람직하나, 반드시 이에 한정되는 것은 아니고 가열 양생 내지 증기 양생 등의 방법도 사용될 수 있다. Curing the brick molded body in the present invention is preferably carried out for 24 to 72 hours at a temperature of 20 ~ 50 ℃, but is not necessarily limited to the method such as heating curing to steam curing.
본 발명에서는 이와 같은 방법에 의해 흙 벽돌을 제조하는데, 상기 흙 벽돌은 콘크리트 블록이나 점토 블록의 강도에 준하거나 초과하는 고강도의 압축강도를 갖고 저흡수율을 갖는다. 즉, 본 발명에 따른 제조 방법에 의해 제조되는 흙 벽돌은 재령 28일 기준의 압축강도(KS F4004 기준에 따른 압축강도)가 8 MPa 이상, 구체적으로는 15~25 MPa이 될 수 있고, 흡수율은 10% 이하가 가능하다. In the present invention, the soil brick is manufactured by the above method, which has a high absorption strength and low absorption rate, which is equivalent to or exceeds the strength of the concrete block or clay block. That is, the soil brick manufactured by the manufacturing method according to the present invention may have a compressive strength (compressive strength according to KS F4004 criteria) of 8 days or more, specifically, 15 to 25 MPa based on 28 days of age. 10% or less is possible.
본 발명에 따른 방법에 의해 제조되는 상기 흙 벽돌은 건축을 위한 조적 벽돌로도 사용될 수 있고, 바닥 시공을 위한 바닥 벽돌로도 사용될 수 있다. 또한 본 발명에 따른 제조 방법에 의해 다양한 형태의 흙 벽돌 내지 흙 블록이 제조될 수 있으며 예를 들어 건축용 조적 벽돌, 보도 또는 차도용 바닥 벽돌, 호안 블록, 수질 정화 블록, 옹벽 블록, 농배수로, 경계석, 유공블록, 흙 타일 등으로도 활용될 수 있다. The soil brick produced by the method according to the invention can be used as masonry bricks for construction, it can also be used as floor bricks for floor construction. In addition, various types of soil bricks or soil blocks can be produced by the production method according to the present invention.For example, building masonry bricks, floor bricks for sidewalks or roadways, lakeside blocks, water purification blocks, retaining wall blocks, agricultural drainage channels, boundary stones Can also be used as perforated blocks, earthen tiles, etc.
본 발명에 따른 흙 벽돌의 제조 방법에 사용되는 상기 흙 고화재는 시멘트와 흙 고화제 조성물 외에 타 성분은 포함하지 않으므로 제조가 용이하며, 흙 고화제 조성물에 포함된 성분은 토양과 시멘트 사이에서 매개체 역할을 하며 양자간의 결합을 강화시키고 고결화 작용을 촉진하는 역할을 한다. 또한, 폐자재로부터 얻어지는 각종 분말, 예를 들어 굴껍질 분말, 폐브라운관 분말, 정수 슬러지 분말, 폐유리 분말 및 폐석고 분말 중에서 선택하여 혼합함으로써 강도가 강화될 수 있고 산업 폐기물의 재활용 효과도 얻을 수 있다. The soil solidifying material used in the manufacturing method of the soil brick according to the present invention is easy to manufacture because it does not contain other components in addition to the cement and soil solidifying agent composition, the components contained in the soil solidifying agent composition is a medium between the soil and cement It acts to strengthen the bond between the two and promote the solidification action. In addition, by selecting and mixing from various powders obtained from waste materials, for example, oyster shell powder, waste brown tube powder, purified sludge powder, waste glass powder, and waste gypsum powder, the strength can be enhanced and the recycling effect of industrial waste can be obtained. .
이하에서는 본 발명이 속한 기술분야에서 통상의 지식을 가진 자가 본 발명을 보다 용이하게 실시할 수 있도록 본 발명의 바람직한 실시예를 설명한다. Hereinafter, preferred embodiments of the present invention will be described so that those skilled in the art can more easily implement the present invention.
[제조예 1~3] 흙 고화제 조성물의 제조Preparation Example 1-3 Preparation of Soil Hardening Composition
아래 표 1의 조성에 따라 염화마그네슘과 염화나트륨을 상온에서 혼합 용기에 부은 다음 나머지 성분들을 순서대로 혼합하여 흙 고화제 조성물을 제조하였다. Magnesium chloride and sodium chloride were poured into a mixing vessel at room temperature according to the composition of Table 1 below, and the remaining components were mixed in order to prepare a soil hardening composition.
표 1
성분 제조예 1(중량%) 제조예 2(중량%) 제조예 3(중량%)
염화마그네슘 22 24 20
염화나트륨 22 23 24
염화칼륨 15 14 15
염화칼슘 11 10 10
황산나트륨 5 6 4
리그닌술폰산염 7 6 8
트리폴리인산나트륨 2 1 3
황산알루미늄 10 9 11
탄산칼슘 3 3 2
과인산석회 3 4 3
계 100 100 100
Table 1
ingredient Preparation Example 1 (% by weight) Preparation Example 2 (% by weight) Preparation Example 3 (wt%)
Magnesium chloride 22 24 20
Sodium chloride 22 23 24
Potassium chloride 15 14 15
Calcium chloride 11 10 10
Sodium sulfate 5 6 4
Lignin sulfonate 7 6 8
Sodium tripolyphosphate 2 One 3
Aluminum sulfate 10 9 11
Calcium carbonate 3 3 2
Superphosphate Lime 3 4 3
system 100 100 100
[제조예 4~12] 흙 고화재 제조[Production Examples 4 ~ 12] Preparation of soil solidified material
상기 제조예 1~3에서 얻은 흙 고화제 조성물과 포틀랜트시멘트를 표 2의 비율대로 혼합하여 흙 고화재를 제조하였다. The soil solidifying agent composition and the portant cement obtained in Preparation Examples 1 to 3 were mixed in the ratio of Table 2 to prepare a soil solidifying material.
표 2
포틀랜트시멘트(중량부) 흙 고화제 조성물(중량부)
제조예 1 제조예 2 제조예 3
제조예 4 100 0.2 - -
제조예 5 100 1.0 - -
제조예 6 100 2.0 -
제조예 7 100 - 0.2 -
제조예 8 100 - 1.0 -
제조예 9 100 - 2.0 -
제조예 10 100 - - 0.2
제조예 11 100 - - 1.0
제조예 12 100 - - 2.0
TABLE 2
Portland Cement (parts by weight) Soil hardener composition (parts by weight)
Preparation Example 1 Preparation Example 2 Preparation Example 3
Preparation Example 4 100 0.2 - -
Preparation Example 5 100 1.0 - -
Preparation Example 6 100 2.0 -
Preparation Example 7 100 - 0.2 -
Preparation Example 8 100 - 1.0 -
Preparation Example 9 100 - 2.0 -
Preparation Example 10 100 - - 0.2
Preparation Example 11 100 - - 1.0
Preparation Example 12 100 - - 2.0
[실시예 1~9] 흙 벽돌 제조[Examples 1-9] Manufacture of Soil Bricks
상기 제조예 4~12에서 각각 얻어진 흙 고화재를 현장에서 채취한 점토(구체적으로는 건조 점토)와 점토:흙 고화재 = 100:10의 중량 비율로 혼합하고 여기에 굴껍질 분말 20 중량%, 폐브라운관 분말 20 중량%, 정수 슬러지 분말 30 중량%, 폐유리 분말 20중량% 및 폐석고 분말 10 중량%로 이루어진 혼합 분말 20 중량부을 혼합하여 원료 조성물 분체를 얻고 상기 원료 조성물 분체 100 중량부를 기준으로 물 2 중량부를 가하여 혼합 모르타르를 얻은 다음 이를 가압 성형 및 양생하여 흙 벽돌을 제조하였다. 구체적으로, 점토와 흙 고화재 및 혼합 분말을 탱크에 투입 교반하여 원료 조성물 분체를 제조한 후, 상기 원료 조성물 분체를 4열 다중 스크류에 투입하여 약 600 RPM의 속도로 회전하여 골고루 교반시킨 다음, 여기에 물을 가하여 다시 균일하게 교반함으로써 혼합 모르타르를 제조하였다. 상기와 같이 제조된 혼합 모르타르를 벽돌 제조용 성형 몰드에 투입하고 가압 성형하여 벽돌 성형체를 제조한 다음, 약 25℃ 조건에서 48 시간 동안 양생하여 흙 벽돌 제조를 완료하였다. Clay (specifically, dry clay) and clay: clay solids = 100: 10 by mixing the soil solids obtained in each of the production examples 4 to 12 in the weight ratio and 20% by weight of oyster shell powder, 20 parts by weight of the mixed powder consisting of 20% by weight of the waste brown tube powder, 30% by weight of the purified sludge powder, 20% by weight of the waste glass powder, and 10% by weight of the waste gypsum powder were mixed to obtain powder of the raw material composition and water based on 100 parts by weight of the raw material powder. 2 parts by weight was added to obtain a mixed mortar, which was then molded and cured to prepare an earth brick. Specifically, after mixing the clay and the soil solidified material and mixed powder into a tank to prepare a raw material composition powder, the raw material composition powder is added to a four-column multi-screw and rotated at a speed of about 600 RPM and stirred evenly, Water was added thereto, and the mixture was further stirred uniformly to prepare a mixed mortar. The mixed mortar prepared as described above was put into a molding mold for manufacturing bricks and pressure-molded to prepare a brick molded body, and then cured for 48 hours at 25 ° C. to complete the production of soil bricks.
상기 제조된 흙 벽돌의 압축강도 특성을 확인하고자 KS F 4004 기준에 의거하여 일축압축강도를 측정하여 그 결과를 아래의 표 3에 정리하였다. 또한, 흡수율 특성을 확인하고자 KSL 4201 기준에 의거하여 흡수율을 측정하여 그 결과를 아래의 표 3에 정리하였다. In order to confirm the compressive strength characteristics of the manufactured soil brick, the uniaxial compressive strength was measured based on KS F 4004 standard, and the results are summarized in Table 3 below. In addition, the absorption rate was measured based on the KSL 4201 standard in order to confirm the absorption rate characteristics, and the results are summarized in Table 3 below.
한편, 상기 실시예에 대한 비교예로서 일반 포틀랜트시멘트와 현장에서 채취한 점토(구체적으로는 건조 점토)를 점토:포틀랜트시멘트=100:10로 혼합하여 경화시킨 후 동일한 시험 방법으로 일축압축강도를 측정하여 그 결과를 아래의 표 3에 정리하였고, 동일한 시험 방법으로 흡수율을 측정하여 그 결과를 아래의 표 3에 정리하였다. (비교예 1)On the other hand, as a comparative example for the above embodiment, the general portant cement and clay (specifically, dry clay) collected in the field were mixed and cured by mixing clay: portant cement = 100: 10 and then uniaxial compressive strength by the same test method. The results are summarized in Table 3 below, and the absorption rate was measured by the same test method. The results are summarized in Table 3 below. (Comparative Example 1)
표 3
7일강도(MPa) 14일강도(MPa) 28일강도(MPa) 흡수율(%)
실시예 1 12.0 14.2 16.2 8
실시예 2 12.2 15.2 18.0 9
실시예 3 12.5 15.5 18.2 8
실시예 4 11.5 13.0 17.1 9
실시예 5 11.9 13.2 18.5 9
실시예 6 12.0 13.9 19.0 8
실시예 7 11.0 14.2 18.9 8
실시예 8 12.0 15.2 19.2 8
실시예 9 12.2 15.1 19.0 7
비교예 1 5.8 6.9 8.5 15
TABLE 3
7 days strength (MPa) 14 days strength (MPa) 28 days strength (MPa) Absorption rate (%)
Example 1 12.0 14.2 16.2 8
Example 2 12.2 15.2 18.0 9
Example 3 12.5 15.5 18.2 8
Example 4 11.5 13.0 17.1 9
Example 5 11.9 13.2 18.5 9
Example 6 12.0 13.9 19.0 8
Example 7 11.0 14.2 18.9 8
Example 8 12.0 15.2 19.2 8
Example 9 12.2 15.1 19.0 7
Comparative Example 1 5.8 6.9 8.5 15
상기 표 3에서 확인할 수 있는 바와 같이 본 발명에 따른 흙 고화제 조성물과 시멘트의 혼합물로 이루어진 흙 고화재와 점토 및 폐자재로부터 얻어지는 분말을 이용하여 제조된 흙 벽돌 샘플은 일반 포틀랜트시멘트와 점토만을 사용하여 제조된 흙 벽돌 샘플에 비하여 월등히 우수한 강도 특성을 나타내는 것을 알 수 있으며, 또한 흡수율도 낮게 유지됨을 알 수 있다. As can be seen in Table 3, the soil brick sample prepared by using the soil solidified material consisting of a mixture of the soil solidifying agent composition and cement according to the present invention and clay and waste materials is used only in general Portland cement and clay. It can be seen that exhibiting excellent strength characteristics compared to the soil brick sample prepared by using, and also the absorption rate is kept low.
이상의 실험 결과로부터, 일반 포틀랜트시멘트만을 사용한 경우에는 토양과 시멘트간의 결합력이 약하여 강도가 충분히 발현되지 못함에 비해, 본 발명에 따른 흙 고화제 조성물을 사용한 경우에는 토양과 시멘트간의 결합력을 획기적으로 증대시킬 수 있어 압축강도가 현저하게 향상된 고강도 저흡수율의 흙 벽돌 제조가 가능하다는 것을 확인할 수 있다.From the above test results, when only the general portant cement is used, the bonding strength between the soil and the cement is weak and strength is not sufficiently expressed. However, when the soil solidifying agent composition according to the present invention is used, the bonding force between the soil and the cement is significantly increased. It can be confirmed that it is possible to manufacture a high-strength low absorption rate soil brick significantly improved compressive strength.

Claims (5)

  1. (1) 염화마그네슘 20~24 중량%, 염화나트륨 20~24 중량%, 염화칼륨 14~16 중량%, 염화칼슘 10~12 중량%, 황산나트륨 4~6 중량%, 리그닌술폰산염 6~8 중량%, 트리폴리인산나트륨 1~3 중량%, 황산알루미늄 9~11 중량%, 탄산칼슘 2~4 중량% 및 과인산석회 2~4 중량%을 혼합 및 교반하여 흙 고화제 조성물을 제조하는 단계;(1) 20 to 24% by weight of magnesium chloride, 20 to 24% by weight of sodium chloride, 14 to 16% by weight of potassium chloride, 10 to 12% by weight of calcium chloride, 4 to 6% by weight of sodium sulfate, 6 to 8% by weight of lignin sulfonate, tripolyphosphoric acid Preparing a soil hardener composition by mixing and stirring 1 to 3% by weight of sodium, 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;
    (2) 시멘트 100 중량부와 상기 (1)에서 얻어지는 흙 고화제 조성물 0.2~2 중량부를 혼합 및 교반하여 흙 고화재를 제조하는 단계;(2) mixing and stirring 100 parts by weight of cement and 0.2-2 parts by weight of the soil hardener composition obtained in the above (1) to produce a soil solidified material;
    (3) 함수비 1~10%를 갖는 토양 100 중량부에 상기 (2)에서 얻어지는 흙 고화재 10 내지 20 중량부, 및 굴껍질 분말, 폐브라운관 분말, 정수 슬러지 분말, 폐유리 분말 및 폐석고 분말 중에서 선택되는 1종의 분말 또는 2종 이상의 혼합 분말 1 내지 20 중량부를 혼합하여 원료 조성물 분체를 얻는 단계;(3) from 10 to 20 parts by weight of the soil solidified material obtained in the above (2) to 100 parts by weight of soil having a water content of 1 to 10%, and oyster shell powder, waste brown tube powder, purified sludge powder, waste glass powder and waste gypsum 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) 상기 (3)에서 얻어지는 원료 조성물 분체 100 중량부에 1 내지 10 중량부의 물을 혼합하여 혼합 모르타르를 얻는 단계; (4) mixing 1 to 10 parts by weight of water to 100 parts by weight of the raw material composition powder obtained in (3) to obtain a mixed mortar;
    (5) 상기 (4)에서 얻어지는 혼합 모르타르를 성형 몰드에 투입하고 가압 성형하여 벽돌 성형체를 얻는 단계; 및 (5) injecting the mixed mortar obtained in the above (4) into a molding mold and pressing to obtain a brick molded body; And
    (6) 상기 얻어진 벽돌 성형체를 양생하는 단계(6) curing the obtained brick molded body
    를 포함하는 흙 벽돌 제조 방법. Soil brick manufacturing method comprising a.
  2. 청구항 1에 있어서, 상기 토양은 점토, 실트 또는 이탄인 것을 특징으로 하는 흙 벽돌 제조 방법.The method of claim 1, wherein the soil is clay, silt or peat manufacturing method, characterized in that peat.
  3. 청구항 1에 있어서, 상기 (3)에서 원료 조성물 분체를 얻음에 있어 상기 혼합 분말의 각 성분 함량 비율은 굴껍질 분말 10~30 중량%, 폐브라운관 분말 10~30 중량%, 정수 슬러지 분말 10~40 중량%, 폐유리 분말 10~50 중량% 및 폐석고 분말 10~20 중량%로 이루어지는 것을 특징으로 하는 흙 벽돌 제조 방법.The method according to claim 1, wherein in obtaining the raw material composition powder in (3), each component content ratio of the mixed powder is 10-30% by weight of oyster shell powder, 10-30% by weight of waste brown tube powder, 10-40 water purification sludge powder A soil brick production method, characterized by consisting of 10% by weight, 10-50% by weight of waste glass powder, and 10-20% by weight of waste gypsum powder.
  4. 청구항 1에 있어서, 상기 (6)에서 상기 벽돌 성형체를 양생하는 것은 20 ~ 50℃의 온도에서 24 내지 72 시간 동안 수행하는 것을 특징으로 하는 흙 벽돌 제조 방법.The method of claim 1, wherein the curing of the brick molded body in the above (6) is characterized in that the soil brick manufacturing method, characterized in that performed for 24 to 72 hours at a temperature of 20 ~ 50 ℃.
  5. 청구항 1에 있어서, 상기 (1) 내지 (6)단계를 거쳐 얻어지는 흙 벽돌은 재령 28일 압축강도(KS F 4004 기준)가 15 ~ 25 MPa인 것을 특징으로 하는 흙 벽돌 제조 방법.The soil brick manufacturing method according to claim 1, wherein the soil brick obtained through the steps (1) to (6) has a compressive strength of 28 days (based on KS F 4004) of 15 to 25 MPa.
PCT/KR2015/003341 2014-04-10 2015-04-03 Method for manufacturing soil brick having high strength and low absorption rate using unfiring forming method WO2015156541A1 (en)

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CN111004013A (en) * 2019-12-26 2020-04-14 浙江路兴环保科技有限公司 High-strength bearing brick made of clay and manufacturing method thereof
CN114292072A (en) * 2022-01-13 2022-04-08 吴纪正 Method for preparing baking-free brick by using waste residues generated after cracking of waste silicon rubber
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