KR101659892B1 - Construction Composition Using Waste Concrete and Method for Manufacturing Construction Material Using Thereof - Google Patents
Construction Composition Using Waste Concrete and Method for Manufacturing Construction Material Using Thereof Download PDFInfo
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- KR101659892B1 KR101659892B1 KR1020100010149A KR20100010149A KR101659892B1 KR 101659892 B1 KR101659892 B1 KR 101659892B1 KR 1020100010149 A KR1020100010149 A KR 1020100010149A KR 20100010149 A KR20100010149 A KR 20100010149A KR 101659892 B1 KR101659892 B1 KR 101659892B1
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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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
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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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/10—Clay
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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
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/04—Macromolecular compounds
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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
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/04—Macromolecular compounds
- C04B16/06—Macromolecular compounds fibrous
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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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- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Dispersion Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
본 발명은 폐콘크리트를 이용한 건축자재 조성물에 관한 것으로, 보다 상세하게는, 폐콘크리트 분쇄물에 시멘트, 광물분말, 충전재, 증점재, 폴리머 및 보강섬유를 혼합하여 제조된 건축자재 조성물에 관한 것이다.
본 발명에 따른 건축자재 조성물은 건축폐기물인 폐콘크리트를 재활용하여 경제성이 뛰어날 뿐만 아니라 폐기물을 저감시켜 환경오염문제를 해결하고, 내구성이 뛰어나며, 건축자재 조성물에 음이온, 원적외선 방사 등의 효과를 가지는 광물분말을 혼합하여 인체에 유익한 효과가 있다. The present invention relates to a building material composition using waste concrete, and more particularly, to a building material composition prepared by mixing cement, mineral powder, filler, thickener, polymer and reinforcing fiber into pulverized waste concrete.
The building material composition according to the present invention can be used not only as an economical recycling waste concrete which is a construction waste, but also to solve the environmental pollution problem by reducing waste, and has excellent durability, and has a minerals There is a beneficial effect on the human body by mixing powder.
Description
본 발명은 폐콘크리트를 이용한 건축자재 조성물 및 상기 조성물을 이용한 건축자재 제조방법에 관한 것으로, 보다 상세하게는, 폐콘크리트 분쇄물에 시멘트, 광물분말, 충전재, 증점재, 폴리머 및 보강섬유를 함유하는 건축자재 조성물 및 상기 조성물을 이용한 건축자재 제조방법에 관한 것이다.
The present invention relates to a building material composition using waste concrete and a method for manufacturing a building material using the composition. More particularly, the present invention relates to a method for producing a building material composition containing waste concrete, A building material composition and a method for manufacturing a building material using the composition.
산업폐기물에는 시멘트 경화물, 세라믹, 플라이 애쉬(fly ash), 석탄재, 소각재 등의 무기계 산업폐기물 및 플라스틱, 유기 섬유 등의 유기계 산업폐기물이 존재한다. 그 중에서도, 근래 다양한 건축물의 리모델링 또는 재개발로 인하여 건축폐기물의 발생량은 해마다 증가하고 있는 추세이며, 그 중에서도 콘크리트 폐기물은 약 70%를 차지하고 있다. Industrial wastes include inorganic industrial wastes such as cement hardened, ceramic, fly ash, coal ash, ash, and organic industrial wastes such as plastic and organic fibers. Among them, the amount of construction waste is increasing year by year due to the remodeling or redevelopment of various buildings, among which concrete waste accounts for about 70%.
이러한 건설폐기물을 매립할 경우, 비싼 폐기물 처리비용이 발생하고, 매립지 부족의 문제 뿐만 아니라 매립된 폐기물로 인하여 자연환경을 오염시키게 되는 문제가 있다. 현재 폐콘크리트가 가장 많이 사용되는 곳은 간척지 등의 매립지이며, 옹벽의 뒤 채움재나, 포장도로의 보조기층 등에 사용되어 그 쓰임새가 한정되어 있다. 또한 분쇄되는 과정에서 골재에 부착된 노화 시멘트로 인하여 분쇄된 폐 콘크리트 골재는 재활용함에 있어 내구성이 약한 문제점이 있다.When such construction wastes are buried, expensive waste disposal costs are incurred, and there is a problem that the natural environment is contaminated due to buried waste as well as a shortage of landfill. Currently, waste concrete is the most used landfill such as reclaimed land and it is used for backfill of retaining wall and auxiliary layer of pavement. Also, the waste concrete aggregate which is pulverized due to the aging cement attached to the aggregate during the crushing process has a problem in that it has a low durability in recycling.
또한, 산업폐기물인 폐콘크리트를 이용하여 건축자재를 제조하는 다양한 방법이 제시되었다.In addition, various methods of manufacturing building materials using waste concrete, an industrial waste, have been proposed.
한국공개특허 제2002-0051443호(폐석회와 건축폐자재를 이용한 토목, 건축자재 제조방법)에는 건축 폐자재와 폐석회를 종류에 따라 분류하는 선별공정; 상기 종류별로 선별된 폐콘크리트, 폐플라스틱, 폐유리 등으로 된 건축 폐자재와 유리공장, 석회공장 등의 산업현장에서 발생되는 폐석회를 분쇄하는 공정; 상기 분쇄된 건축 폐자재 중량 10∼70%와 폐석회 중량 10∼70%, 폴리에스테르 수지 중량 20% 혼합하는 공정; 상기 혼합된 원료를 몰드에 채우고 유압 프레스 온도 85∼90℃, 5∼30분간 진동 및 가열 가압하는 성형공정; 상기 압축된 토목, 건축자재를 건조로에 넣고 30℃∼150℃, 10∼60분간 양생하는 공정; 상기 양생된 토목, 건축자재의 표면을 연마하고 가공하는 공정으로 이루어진 건축자재 제조방법이 개시되어 있으나, 각종 산업폐기물을 혼합하여 균일한 혼합이 어려워 건축자재의 내구성이나 강도 등과 같은 물성이 떨어지는 단점이 있다.Korean Unexamined Patent Publication No. 2002-0051443 (a method of manufacturing civil engineering and building materials using waste lime and construction waste materials) includes a sorting process for classifying construction waste materials and waste lime slabs according to their types; A process of crushing waste lime generated at industrial sites such as waste concrete, waste plastics, waste glass, etc., selected from the above-mentioned types, and glass and lime plants; 10 to 70% by weight of the pulverized construction waste material, 10 to 70% by weight of waste lime and 20% by weight of polyester resin; Filling the mold with the mixed raw material, and performing vibration and heat pressing at a hydraulic press temperature of 85 to 90 DEG C for 5 to 30 minutes; The compacted civil engineering and building materials are cured in a drying furnace at 30 ° C to 150 ° C for 10 to 60 minutes; A method of manufacturing a building material comprising a step of polishing and curing the surface of the cured civil engineering and building material has been disclosed. However, it is difficult to uniformly mix various industrial wastes, and thus the physical properties such as durability and strength of the building material are deteriorated have.
한국공개특허 제2001-0007809호(폐콘크리트를 이용한 콘크리트 조성물 및 이를 이용한콘크리트 구조물의 제조방법)에는 폐콘크리트 40 ∼ 70중량%, 오니류 20 ∼ 50중량%, 소각재 4 ∼ 34중량%, 석면 1 ∼ 31중량%, 폐주물사 4 ∼ 34중량%, 시멘트 1 ∼ 31중량%로 구성된 혼합물 중량에 대하여 물 15 ∼ 30중량%를 첨가하여 콘크리트 조성물을 만든 다음 콘크리트 구조물을 제조하는 방법이 개시되어 있으나, 콘크리트 조성물에 석면이 함유되어 인체에 유해한 단점이 있다.
Korean Unexamined Patent Publication No. 2001-0007809 (concrete composition using waste concrete and method of producing concrete structure using the same) includes 40 to 70 wt% of waste concrete, 20 to 50 wt% of sludge, 4 to 34 wt% of ash, Discloses a method for producing a concrete structure by adding 15 to 30% by weight of water to the weight of a mixture composed of 31 to 31% by weight of cement, 4 to 34% by weight of a waste rubber and 1 to 31% Asbestos is harmful to the human body.
이에, 본 발명자들은 종래 문제점을 해결하기 위하여 예의 노력한 결과, 산업폐기물인 폐콘크리트 분쇄물과 시멘트, 인체에 유익한 광물분말, 충전재, 증점재, 폴리머 및 보강섬유를 혼합하여 건축자재 조성물을 이용하여 건축자재를 제조한 결과, 산업폐기물을 재활용할 수 있을 뿐만 아니라 각 조성물의 균일한 혼합이 가능하여 기존 건축자재와 동등 이상의 내구성을 나타내고, 상기 건축자재 조성물을 이용하여 제조된 건축자재가 인체에 유익한 것을 확인하고 본 발명을 완성하였다.
The present inventors have made intensive efforts to solve the problems of the prior art. As a result, the present inventors have found that, by using a building material composition, a mixture of pulverized waste concrete, cement, mineral powder, filler, As a result of manufacturing the material, it is possible to recycle the industrial wastes and to uniformly mix the respective compositions, thereby exhibiting durability equal to or more than that of existing building materials, and the building material manufactured using the building material composition is advantageous to the human body And completed the present invention.
본 발명의 목적은 폐콘크리트 분쇄물, 시멘트, 광물분말, 충전재, 증점재, 폴리머 및 보강섬유를 특정 비율로 혼합하여 제조된 건축자재 조성물 및 건축자재 상기 조성물로 제조된 건축자재를 제공하는 데 있다.
It is an object of the present invention to provide a building material composition and a building material manufactured by mixing waste concrete pulverized material, cement, mineral powder, filler, thickener, polymer and reinforcing fiber at a specific ratio, and to provide a building material made of the composition .
본 발명은 폐콘크리트 분쇄물 100중량부에 대하여, 시멘트 50~100 중량부, 황토, 맥반석, 토르말린 및 게르마늄으로 구성된 군으로부터 선택되는 광물분말 10~30 중량부, 충전재 10~40 중량부, 증점재 0.1~10 중량부, 폴리머 0.1~10 중량부 및 보강섬유 5~20 중량부를 포함하는 건축자재 조성물을 제공한다. The present invention relates to a waste concrete pulverizer comprising 10 to 30 parts by weight of a mineral powder selected from the group consisting of 50 to 100 parts by weight of cement, yellow loam, elvan, tourmaline and germanium, 10 to 40 parts by weight of a filler, 0.1 to 10 parts by weight of a polymer, 0.1 to 10 parts by weight of a polymer, and 5 to 20 parts by weight of a reinforcing fiber.
본 발명은 또한, 상기 건축자재 조성물로 제조된 건축자재를 제공한다.
The present invention also provides a building material made of the building material composition.
본 발명에 따른 건축자재 조성물은 건축폐기물인 폐콘크리트를 재활용하여 경제성이 뛰어날 뿐만 아니라 폐기물을 저감시켜 환경오염문제를 해결하고, 내구성이 뛰어나며, 건축자재 조성물에 음이온, 원적외선 방사 등의 효과를 가지는 광물분말을 혼합하여 인체에 유익한 효과가 있다.
The building material composition according to the present invention can be used not only as an economical recycling waste concrete which is a construction waste, but also to solve the environmental pollution problem by reducing waste, and has excellent durability, and has a minerals There is a beneficial effect on the human body by mixing powder.
도 1은 본 발명의 공정도를 나타낸 것이다. Figure 1 shows a process diagram of the present invention.
본 발명은 일 관점에서, 폐콘크리트 분쇄물 100중량부에 대하여, 시멘트 50~100 중량부, 황토, 맥반석, 토르말린 및 게르마늄으로 구성된 군으로부터 선택되는 광물분말 10~30 중량부, 충전재 10~40 중량부, 증점재 0.1~10 중량부 및 보강섬유 5~20 중량부를 함유하는 건축자재 조성물에 관한 것이다. In one aspect of the present invention, 10 to 30 parts by weight of a mineral powder selected from the group consisting of 50 to 100 parts by weight of cement, yellow loam, elvan, tourmaline and germanium, 10 to 40 parts by weight of filler 0.1 to 10 parts by weight of a thickener and 5 to 20 parts by weight of a reinforcing fiber.
본 발명에서, '건축자재'란 건물 또는 구조물 시공시에 사용되는 자재로, 벽돌, 내벽체, 패널, 블럭 등을 의미한다. In the present invention, the term 'building material' means a material used for building or building construction, such as a brick, a wall, a panel or a block.
본 발명에 있어서, 폐콘크리트 분쇄물은 콘크리트 건축물 철거시 발생하는 콘크리트 덩어리를 조크러셔(jaw crusher), 콘크러셔(cone crusher), 볼 밀(ball mill) 등의 분쇄기를 이용하여 분쇄한 뒤, 분쇄물에 포함된 목재, 금속, 플라스틱 및 석면 등의 이물질을 제거한 후 사용한다. 이 때, 콘크리트 분쇄물은 평균 1~10mm의 입도로 분쇄하여 사용하는데, 분쇄물의 입도가 1mm 미만일 경우, 다른 혼합물들과의 균일한 혼합이 어렵고, 10mm를 초과할 경우, 건축자재 조성물이 경화한 후 강도가 저하되는 문제점이 있다. In the present invention, the pulverized concrete is pulverized by using a crusher such as a jaw crusher, a cone crusher, a ball mill or the like, and then pulverized It is used after removing foreign materials such as wood, metal, plastic and asbestos contained in water. In this case, the crushed concrete is pulverized with an average particle size of 1 to 10 mm. When the particle size of the pulverized product is less than 1 mm, it is difficult to uniformly mix with the other mixtures. When the particle size exceeds 10 mm, There is a problem that the strength is lowered.
본 발명에 있어서, 시멘트는 일반적으로 사용하는 포틀랜드 시멘트(Portland Cement)를 사용하나, 고로 시멘트, 플라이 애쉬 시멘트, 실리카 시멘트, 마그네시아 시멘트, 알루미늄 함유 시멘트 등을 사용할 수 있으며, 이에 제한되지 않는다. 상기 시멘트는 폐콘크리트 분쇄물 100중량부에 대하여 50~100중량부 함유되는데, 50 중량부 미만으로 함유되면 건축자재의 강도가 저하될 문제점이 있고, 100 중량부 초과하여 함유되면 초과 함유에 대한 실익이 없다.In the present invention, commonly used Portland cement is used as cement, but blast furnace cement, fly ash cement, silica cement, magnesia cement, aluminum containing cement and the like can be used, but the present invention is not limited thereto. The cement is contained in an amount of 50 to 100 parts by weight with respect to 100 parts by weight of pulverized concrete. When the amount of the cement is less than 50 parts by weight, the strength of the building material is deteriorated. When the cement is contained in excess of 100 parts by weight, There is no.
본 발명에 있어서, 황토는 황갈색을 띠고 풍화를 잘 받지 않으며, 주로 석영을 함유하며 그 밖에 휘석·각섬석 등을 함유하여 석회질이다. 이러한 황토는 다량의 탄산칼슘으로 인해 쉽게 부서지지 않는 점력을 가지고 있고, 습도조절이 용이하며, 건축 자재를 제조할 때, 황토를 첨가함으로써 소결성이 우수하여 강도를 향상시킨다. 또한, 원적외선과 음이온을 발생하여 인체에 유익하고, 건축물의 외장재뿐만 아니라 내장재 및 다양한 구조물로도 사용이 가능하다. In the present invention, yellow loess is yellowish brown and weathered, and mainly contains quartz, and further contains pyroxene, biotite and the like and is calcareous. Such loess has a break point which is not easily broken due to a large amount of calcium carbonate, humidity control is easy, and when the building material is manufactured, the loess is added to improve the strength by sintering. In addition, it generates far infrared rays and negative ions, which is beneficial to the human body, and it can be used as interior materials and various structures as well as exterior materials of buildings.
본 발명에 있어서, 맥반석은 무수규산과 산화알루미늄이 주성분으로, 원적외선 방사 및 살균력의 효능이 있고, 맥반석의 넓은 표면적으로 인해 오염물질, 중금속 등을 흡착, 분해할 뿐만 아니라, 시멘트에서 나오는 독성을 중화하고, 항균, 방충의 효과가 있다. In the present invention, the elvan quartz is mainly composed of anhydrous silicic acid and aluminum oxide, has the effect of far-infrared ray emission and sterilizing power, and absorbs and decomposes pollutants and heavy metals owing to the large surface area of elvan, And has an antibacterial and insecticidal effect.
본 발명에 있어서, 토르말린(tourmaline, 전기석)은 수정과 같은 결정구조를 가지는 육방정계에 속하는 광물로 화학성분은 철 ·마그네슘 ·알칼리금속 등과 알루미늄의 복잡한 붕규산염이다. 토르말린은 인체의 모세혈관을 확장하여 혈액순환을 촉진, 세포의 활성화 신진대사, 활성산소 분해, 음이온과 원적외선 발생효과가 있다. In the present invention, tourmaline (tourmaline) is a minerals belonging to the hexagonal system having crystal structure such as quartz, and the chemical components are complex borosilicates of aluminum, magnesium, alkali metals and aluminum. Tourmaline expands the capillaries of the human body, promoting blood circulation, activating cell metabolism, active oxygen decomposition, anion and far-infrared radiation effect.
본 발명에 있어서, 게르마늄은 주기율표 14족에 속하는 탄소족원소로, 지각, 암석, 또는 토양에 극미량 존재한다. 게르마늄은 활성산소 제거, 면역기능 향상, 혈액정화, 중금속과 환경호르몬의 영향을 제거하는 효과가 있다. In the present invention, germanium is a carbon group element belonging to group 14 of the periodic table, and exists in trace amounts, in rocks, or in soil in trace amounts. Germanium has the effect of eliminating active oxygen, improving immune function, blood purification, eliminating the effects of heavy metals and environmental hormones.
상기 황토, 맥반석, 토르말린 및 게르마늄으로 구성된 군에서 선택되는 광물분말은 폐콘크리트 분쇄물 100중량부에 대하여 10~30중량부 함유되는데, 10 중량부 미만으로 함유되면 전술한 바와 같은 인체에 유익한 효과가 미미한 문제점이 있고, 30 중량부 초과하여 함유되면 경제성이 떨어지는 문제점이 있다.The mineral powder selected from the group consisting of loess, elvan, tourmaline and germanium is contained in an amount of 10 to 30 parts by weight based on 100 parts by weight of pulverized waste concrete. If the amount is less than 10 parts by weight, the beneficial effect on the human body There is a slight problem, and if it is contained in an amount exceeding 30 parts by weight, there is a problem that economical efficiency is deteriorated.
본 발명에 있어서, 충전재는 건축자재 조성물에 강도를 부여하기 위하여 사용되고, 퓸드 실리카 등의 실리카 원료, 석회석, 석분, 펄라이트(pearlite), 스티렌 비즈(styrene beads) 등의 무기질 원료를 단독 또는 혼합하여 사용할 수 있으며, 폐콘크리트 분쇄물 100중량부에 대하여 10~40 중량부 함유되는데, 10중량부 미만으로 함유되면 성형성이 떨어지는 문제점이 있고, 40중량부 초과하여 함유되면 강도가 저하되는 문제점이 있다. In the present invention, the filler is used for imparting strength to a building material composition, and inorganic raw materials such as silica raw materials such as fumed silica, limestone, stone, pearlite, styrene beads, etc., 10 to 40 parts by weight are contained in 100 parts by weight of waste concrete pulverized material. When the amount is less than 10 parts by weight, moldability is deteriorated. When the amount is more than 40 parts by weight, strength is lowered.
본 발명에 있어서, 증점재는 건축자재 조성물에 점도를 부여하고, 유동성, 성형성을 향상시키며, 메틸 셀룰로오스(methyl cellulose), 히드록시 메틸 셀룰로오스(hydroxy methyl cellulose), 카르복실 메틸 셀룰로오스(carboxy methyl cellulose) 등을 사용할 수 있으며, 이에 제한되지 않는다. 상기 증점재는 폐콘크리트 분쇄물 100중량부에 대하여 0.1~10 중량부 함유되는데, 0.1중량부 미만으로 함유되면 성형성이 저하되는 문제점이 있고, 10중량부 초과하여 함유되면 건축조성물의 치밀화가 저하되는 문제점이 있다. In the present invention, the thickening material is a composition which imparts viscosity to a building material composition, improves fluidity and moldability, and is composed of methyl cellulose, hydroxy methyl cellulose, carboxy methyl cellulose ), And the like, but the present invention is not limited thereto. The amount of the thickener is 0.1 to 10 parts by weight based on 100 parts by weight of the pulverized waste. When the amount is less than 0.1 part by weight, moldability is deteriorated. When the amount is more than 10 parts by weight, .
본 발명에 있어서, 폴리머는 건축자재 조성물에 강도를 보다 향상시키기 위하여 첨가되며, 페놀 수지, 우레아 수지, 에폭시 수지, 불포화 폴리에스테르 수지, 폴리우레탄 수지 등을 사용할 수 있으며, 이에 제한되지 않는다. 상기 폴리머는 폐콘크리트 분쇄물 100중량부에 대하여 0.1~10중량부 함유되는데, 0.1중량부 미만으로 함유되면 강도향상이 미미하다는 문제점이 있고, 10중량부를 초과하여 함유되면 성형성이 저하되는 문제점이 있다. In the present invention, the polymer is added to improve the strength of the building material composition, and a phenol resin, a urea resin, an epoxy resin, an unsaturated polyester resin, a polyurethane resin, or the like can be used. The polymer is contained in an amount of 0.1 to 10 parts by weight based on 100 parts by weight of pulverized waste concrete. When the amount of the polymer is less than 0.1 parts by weight, the strength of the polymer is not improved. When the amount of the polymer is more than 10 parts by weight, have.
본 발명에 있어서, 보강섬유는 건축자재 조성물의 기계적 강도, 보형성을 향상시키며, 세라믹 섬유, 탄소섬유, 유리섬유 등의 무기섬유, 셀룰로오스(cellulose), 펄프(pulp), 폴리아미드(polyamide), 폴리프로필렌(polypropylene), 폴리에스테르(polyester), 폴리에틸렌(polyethylene) 등의 유기섬유 등을 단독 또는 혼합하여 사용할 수 있으며, 이에 제한되지 않는다. 이 때, 섬유의 길이는 1~10mm가 바람직한데, 섬유길이가 1mm 미만이면 보강효과가 저하되고, 다른 조성물과 혼합시 재응집되어 섬유볼(fiber ball)을 형성하는 문제점이 있고, 10mm를 초과하면 분산성이 저하되는 문제점이 있다. In the present invention, the reinforcing fiber improves the mechanical strength and formability of the building material composition, and may be formed of inorganic fibers such as ceramic fiber, carbon fiber, glass fiber, cellulose, pulp, polyamide, Organic fibers such as polypropylene, polyester, and polyethylene may be used alone or in combination, but the present invention is not limited thereto. In this case, the length of the fibers is preferably 1 to 10 mm. If the fiber length is less than 1 mm, the reinforcing effect is deteriorated, and there is a problem of re-aggregation when mixed with other compositions to form a fiber ball, There is a problem that the dispersibility is lowered.
상기 보강섬유는 폐콘크리트 분쇄물 100중량부에 대하여 5~20 중량부 함유되는데, 5중량부 미만으로 함유되면 강도, 보형성이 저하되는 문제점이 있고, 20중량부 초과하여 함유되면 건축조성물 내에서 보강섬유의 분산성이 저하되는 문제점이 있다. The reinforcing fiber is contained in an amount of 5 to 20 parts by weight based on 100 parts by weight of the waste concrete pulverized product. When the reinforcing fiber is contained in an amount less than 5 parts by weight, The dispersibility of the reinforcing fibers is deteriorated.
본 발명은 다른 관점에서, (a) 폐콘크리트 분쇄물 100중량부에 대하여, 시멘트 50~100 중량부, 황토, 맥반석, 토르말린 및 게르마늄으로 구성된 군으로부터 선택되는 광물분말 10~30 중량부, 충전재 10~40 중량부, 증점재 0.1~10 중량부 및 보강섬유 5~20 중량부를 혼합하는 단계; (b) 상기 혼합물을 성형하는 단계; 및 (c) 상기 성형물을 소성하는 단계를 포함하는 건축자재 제조방법에 관한 것이다.(A) 10 to 30 parts by weight of a mineral powder selected from the group consisting of 50 to 100 parts by weight of cement, yellow clay, elvan, tourmaline and germanium, 10 to 30 parts by weight of filler 10 To 40 parts by weight, a thickener of 0.1 to 10 parts by weight and a reinforcing fiber of 5 to 20 parts by weight; (b) molding the mixture; And (c) firing the molded article.
본 발명에 있어서, 상기 성형은 프레스 성형을 이용할 수 있으나 이에 제한 되지 않으며, 소성은 전기로 또는 로타리킬른을 이용하여 1000~1200℃에서 2~4시간 동안 수행될 수 있다. In the present invention, the forming may be performed by press molding, but is not limited thereto. The firing may be performed at 1000 to 1200 ° C for 2 to 4 hours using an electric furnace or a rotary kiln.
본 발명에 따른 건축자재는 폐콘크리트를 주원료로 이용하여 산업폐기물을 저감시키고, 내구성이 뛰어나며, 원적외선, 음이온 등을 발생하는 광물분말을 함유하여 인체에 유익한 효과가 있다.
The building material according to the present invention has a beneficial effect on the human body by using waste concrete as a main material to reduce industrial waste, excellent in durability, and containing mineral powder which generates far-infrared rays, anion and the like.
이하 실시예를 통하여 본 발명을 더욱 상세히 설명하고자 한다. 이들 실시예는 오로지 본 발명을 예시하기 위한 것으로서, 본 발명의 범위가 이들 실시예에 의해 제한되는 것으로 해석되지는 않는 것은 당업계에서 통상의 지식을 가진 자에게 있어서 자명할 것이다.
Hereinafter, the present invention will be described in more detail with reference to examples. It is to be understood by those skilled in the art that these examples are for illustrative purposes only and that the scope of the present invention is not construed as being limited by these examples.
건축자재 조성물을 이용하여 제조된 건축자재Building materials made using building material composition
본 발명에 따른 건축자재 조성물의 각 원료를 하기 표 1에 기재된 중량부로 혼합한 후, 프레스 성형하고, 로타리 킬른을 이용하여 1200℃에서 2.5시간 동안 소성하여 건축자재를 제조하였다.
Each raw material of the building material composition according to the present invention was mixed with the weight parts shown in the following Table 1, followed by press molding and firing at 1200 ° C for 2.5 hours using a rotary kiln to produce a building material.
(황토)Mineral
(ocher)
(에폭시)Polymer
(Epoxy)
실험예 1 : 실시예 1~4 및 비교예 1~2에서 제조된 건축자재의 물리적 특성 실험 Experimental Example 1: Physical properties of building materials prepared in Examples 1 to 4 and Comparative Examples 1 and 2
실험을 통하여 압축 강도와 음이온, 원적외선 방사율을 측정한 결과를 하기 표 2에 나타내었다. 그 결과, 상기 실시예 1~4에 따른 건축자재는 비교예 1~2에 따른 건축자재에 비하여 압축 강도, 음이온, 원적외선 방사율에서 동등 이상의 결과를 나타내어 내구성이 뛰어나고 인체에 유익한 것을 확인할 수 있었다.
The results of the measurements of the compressive strength, the anion and the far-infrared emissivity are shown in Table 2 below. As a result, the building materials according to Examples 1 to 4 exhibited the same or better results in terms of compressive strength, anion, and far-infrared ray emissivity as compared with the building materials according to Comparative Examples 1 and 2, indicating excellent durability and beneficial to the human body.
이상으로 발명 내용의 특정한 부분을 상세히 기술하였는 바, 당업계의 통상의 지식을 가진 자에게 있어서, 이러한 구체적 기술은 단지 바람직한 실시양태일 뿐이며, 이에 의해 본 발명의 범위가 제한되는 것이 아닌 검은 명백할 것이다. 따라서, 본 발명의 실질적인 범위는 첨부된 청구항들과 그것들의 등가물에 의하여 정의된다고 할 것이다.
Having described specific portions of the invention in detail, those skilled in the art will appreciate that these specific embodiments are merely preferred embodiments and that the scope of the invention is not limited thereby . Accordingly, the actual scope of the present invention will be defined by the appended claims and their equivalents.
Claims (3)
The waste concrete pulverized product according to claim 1, wherein 50 to 80 parts by weight of cement, 20 to 30 parts by weight of loess powder, 10 to 40 parts by weight of filler, 0.1 to 10 parts by weight of thickener, 5 to 10 parts by weight of epoxy resin, 5 to 20 parts by weight.
The building material composition according to claim 1, wherein an average particle size of the pulverized waste concrete is 1 to 10 mm.
(a) 폐콘크리트 분쇄물 100중량부에 대하여, 시멘트 50~80 중량부, 황토분말 20~30 중량부, 충전재 10~40 중량부, 증점재 0.1~10 중량부, 에폭시수지 5~10 중량부 및 보강섬유 5~20 중량부를 혼합하는 단계;
(b) 상기 혼합물을 성형하는 단계; 및
(c) 상기 성형물을 소성하는 단계.A method of manufacturing a building material using a building material composition, comprising the steps of:
(a) 50 to 80 parts by weight of cement, 20 to 30 parts by weight of loess powder, 10 to 40 parts by weight of filler, 0.1 to 10 parts by weight of thickener, 5 to 10 parts by weight of epoxy resin, And 5 to 20 parts by weight of reinforcing fibers;
(b) molding the mixture; And
(c) firing the molded article.
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| CN111847971B (en) * | 2020-07-02 | 2022-03-25 | 武汉理工大学 | Construction waste micro-powder-based thickening agent and preparation method and application thereof |
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