KR102008254B1 - Up-cycle public structures made by UHPC and waste plastic, and manufacturing method thereof - Google Patents
Up-cycle public structures made by UHPC and waste plastic, and manufacturing method thereof Download PDFInfo
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- KR102008254B1 KR102008254B1 KR1020190028543A KR20190028543A KR102008254B1 KR 102008254 B1 KR102008254 B1 KR 102008254B1 KR 1020190028543 A KR1020190028543 A KR 1020190028543A KR 20190028543 A KR20190028543 A KR 20190028543A KR 102008254 B1 KR102008254 B1 KR 102008254B1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
- B28B1/523—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement containing metal fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
- B28B11/0845—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads for smoothing
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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
- C04B14/38—Fibrous materials; Whiskers
- C04B14/48—Metal
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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
- C04B18/18—Waste materials; Refuse organic
- C04B18/20—Waste materials; Refuse organic from 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
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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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0032—Controlling the process of mixing, e.g. adding ingredients in a quantity depending on a measured or desired value
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/4505—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application
- C04B41/4535—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application applied as a solution, emulsion, dispersion or suspension
- C04B41/4543—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application applied as a solution, emulsion, dispersion or suspension by spraying, e.g. by atomising
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/4584—Coating or impregnating of particulate or fibrous ceramic material
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
- C04B41/48—Macromolecular compounds
- C04B41/4857—Other macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B41/4861—Polyalkenes
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
- C04B41/48—Macromolecular compounds
- C04B41/4857—Other macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B41/4869—Polyvinylalcohols, polyvinylacetates
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
- C04B41/522—Multiple coatings, for one of the coatings of which at least one alternative is described
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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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
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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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/54—Pigments; Dyes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
본 발명은 초고성능 콘크리트와 폐플라스틱을 이용한 업싸이클 공공시설물 및 이의 제조방법에 관한 것이다.The present invention relates to an upcycle utility facility using ultra-high performance concrete and waste plastics, and a method of manufacturing the same.
대한민국 등록특허 제1791412호(등록일자: 2017.10.24., 발명의 명칭: 전시시설용 콘크리트 조성물 및 이를 포함하여 제조된 전시시설용 인공암의 제조방법)는 원하는 인공암 모양의 몰드를 형성하는 몰드 형성단계; 상기 몰드 형성단계가 종료된 몰드 내부에 시멘트 100중량부를 기준으로, 물유리계 폼비트 5 내지 30중량부, 골재 10 내지 1,000중량부, 아크릴계 경량재 1 내지 10중량부, 나노세라믹 입자 5 내지 30중량부, 고분자 수지 10 내지 50중량부, 섬유 10 내지 80중량부, 퍼플루오로알콕시실란 01 내지 10중량부, 소포제 1 내지 8중량부, 실리카 3 내지 40중량부, 옥틸트리에톡시실란 1 내지 5중량부, 및 고성능 감수제 001 내지 10중량부를 포함하는 콘크리트 조성물을 혼합하여 주입하는 주입단계; 상기 주입단계가 종료된 뒤 양생하는 양생단계; 및 상기 양생단계가 종료된 후 몰드를 제거하는 몰드제거단계를 포함하는 인공암 제조방법이 개시되어 있다.Republic of Korea Patent No. 1791412 (Registration Date: 2017.10.24., Name of the invention: concrete composition for exhibition facilities and manufacturing method of artificial cancer for exhibition facilities manufactured therein) is a mold forming step of forming a mold of the desired artificial cancer shape ; Based on 100 parts by weight of cement inside the mold forming step is completed, 5 to 30 parts by weight of water glass-based foam bits, 10 to 1,000 parts by weight of aggregates, 1 to 10 parts by weight of acrylic lightweight materials, 5 to 30 weights of nanoceramic particles 10 to 50 parts by weight of polymer resin, 10 to 80 parts by weight of fiber, 01 to 10 parts by weight of perfluoroalkoxysilane, 1 to 8 parts by weight of antifoaming agent, 3 to 40 parts by weight of silica, 1 to 5 of octyltriethoxysilane An injection step of mixing and injecting a concrete composition including parts by weight and 001 to 10 parts by weight of a high performance water reducing agent; Curing step after the injection step is finished; And a mold removal step of removing the mold after the curing step is completed.
이러한 종래 기술은, 강도증진 및 경화속도를 촉진시킬 수 있으며, 고도의 수밀성을 유지할 수 있고, 내균열성, 동결융해안정성 및 공극 충진성 등도 뛰어나 콘크리트의 강도를 증가시키는 한편, 산/알카리에 의한 침식을 방지할 수 있고, 아울러 염화물을 함유하지 않으므로 환경오염을 방지할 수 있는 반면, 벤치 및 도로용 화분 등 공공시설물과 같은 미려한 표면과 고품질이 요구되는 공공시설물을 제조하기 곤란한 근원적인 문제점이 있었다.This prior art can promote strength increase and hardening rate, maintain high watertightness, and also increase crack strength, freeze thaw stability, and void filling property, while increasing the strength of concrete, and by acid / alkali Erosion can be prevented, and since it does not contain chloride, it is possible to prevent environmental pollution, while there is a fundamental problem that it is difficult to manufacture public facilities requiring beautiful surfaces and high quality such as public facilities such as benches and road pots. .
상기와 같은 문제점을 해결하고자 창출된 본 발명의 목적은, 토목구조물 용도로 사용되던 초고성능 콘크리트에 폐플라스틱을 첨가하여 업사이클(Up-cycle)을 구현한 초고성능 콘크리트와 폐플라스틱을 이용한 업싸이클 공공시설물 및 이의 제조방법을 제공하는 데 있다.An object of the present invention created to solve the above problems is, by adding waste plastic to the ultra-high performance concrete used for civil construction uses up-cycle (up-cycle) to implement the ultra-high performance concrete and waste plastic To provide a public facility and a method of manufacturing the same.
이러한 본 발명의 목적은, (a) 공공시설물 제작용 거푸집을 제작하여 설치하는 단계와; (b) 강섬유로 보강된 초고성능 콘크리트를 상기 거푸집에 타설한 후 양생하는 단계와; (c) 제작된 공공시설물의 표면으로부터 상기 거푸집을 해체하는 단계와; (d) 상기 공공시설물의 표면을 다듬는 단계로 이루어진 초고성능 콘크리트와 폐플라스틱을 이용한 업싸이클 공공시설물의 제조방법에 의해 달성될 수 있다.The object of the present invention, (a) manufacturing and installing the formwork for manufacturing public facilities; (b) curing the ultra-high performance concrete reinforced with steel fibers after pouring them into the formwork; (c) dismantling the formwork from the surface of the manufactured utility; (d) can be achieved by a method for producing upcycled public utilities using ultra-high performance concrete and waste plastics, which comprises the step of smoothing the surface of the public utilities.
바람직하게는, 본 발명의 상기 초고성능 콘크리트는 (가) 시멘트 100 중량부에 대하여, 혼화제 1 ~ 1.5 중량부, 골재 100 ~ 250 중량부, 폐플라스틱 0.1 ~ 25 중량부 및 충전재 3 ~ 20 중량부를 믹서에 충전하여 10 ~ 20분간 건비빔을 수행하는 단계와; (나) 배합수 30 ~ 50 중량부 및 고성능 감수제 0.1 ~ 3 중량부를 더 혼합한 후 10분간 비빔을 수행하는 단계와; (다) 강섬유 1 ~ 4 중량부를 자동분산기를 이용하여 더 투입한 다음 5 ~ 10분간 비빔하여 제조되며, 상기 초고성능 콘크리트는 상기 시멘트 100 중량부에 대하여 안료 0.1 ~ 3 중량부를 더 포함하고, 상기 폐플라스틱은 a) 수집된 플라스틱을 수세후 건조한 후 세절하는 단계와; b) 무수 알코올 100 중량부에 대하여, 벤젠 30 ~ 45 중량부 및 톨루엔 5 ~ 10 중량부에 혼합된 용기에 세절된 플라스틱 50 ~ 75 중량부를 충전한 후 30 ~ 60분간 교반한 다음 세절된 플라스틱을 분리하는 단계와; c) 분리된 플라스틱을 70 ~ 95℃에서 3 ~ 5분간 열풍건조한 후 평균입경 20㎜ 이하가 되도록 파쇄한 다음 밀폐용기에 충전하여 보관하여 최종 제조되고, 상기 강섬유는 길이 12 ~ 15㎜, 직경 0.1 ~ 0.5㎜, 인장강도 2,500 ~ 3,000MPa을 갖는 것을 특징으로 한다.Preferably, the ultra-high performance concrete of the present invention (A) with respect to 100 parts by weight of cement, 1 to 1.5 parts by weight of admixture, 100 to 250 parts by weight of aggregate, 0.1 to 25 parts by weight of waste plastic and 3 to 20 parts by weight of filler Filling the mixer to perform a dry beam for 10 to 20 minutes; (B) mixing 30 to 50 parts by weight of the blended water and 0.1 to 3 parts by weight of the high-performance water reducing agent, and then performing a bibeam for 10 minutes; (C) 1 to 4 parts by weight of steel fiber is further added by using an automatic disperser and then manufactured by beaming for 5 to 10 minutes, and the ultra-high performance concrete further includes 0.1 to 3 parts by weight of pigment based on 100 parts by weight of the cement. Waste plastics are a) drying and washing the collected plastic after washing; b) 50 to 75 parts by weight of the shredded plastic is charged into a container mixed with 30 to 45 parts by weight of benzene and 5 to 10 parts by weight of toluene, followed by stirring for 30 to 60 minutes, and then Separating; c) The separated plastics are hot-air dried at 70-95 ° C. for 3 to 5 minutes, and then crushed to an average particle diameter of 20 mm or less, and then filled and stored in a sealed container for final production. The steel fibers are 12 to 15 mm in length and 0.1 in diameter. ~ 0.5 mm, characterized in that it has a tensile strength of 2,500 ~ 3,000 MPa.
바람직하게는, 본 발명의 상기 (b)단계는, (b)-1 양생된 초고성능 콘크리트의 상부면에 메쉬를 제공하는 단계와; (b)-2 다른 색상의 안료가 배합된 초고성능 콘크리트를 양생된 콘크리트의 상부면에 재타설한 후 양생하는 단계로 이루어지는 것을 특징으로 한다.Preferably, the step (b) of the present invention comprises the steps of: (b)-providing a mesh on the upper surface of the cured ultra-high performance concrete; (b) -2 It is characterized by consisting of the step of curing after re-installing the super-high-performance concrete in which the pigments of different colors are mixed on the upper surface of the cured concrete.
바람직하게는, 본 발명의 상기 (d)단계 이후에 공공시설물 표면을 코팅하는 (e)단계를 더 포함하되, 상기 (e)단계는, (e)-1 상기 공공시설물 표면에 몰탈 미장면을 형성하는 단계와; (e)-2 상기 몰탈 미장면의 상부면에 도전성 프라이머 도료를 3 ~ 5회 도포하여 도전성 프라이머면을 형성하는 단계와; (e)-3 상기 도전성 프라이머면의 상부면에 PE 또는 PP 파우더를 용사 방법으로 공공시설물의 표면을 코팅하는 단계로 이루어지되, 상기 (e)-2의 도전성 프라이머 도료는 폴리비닐아세테이트 100 중량부에 대하여, 아크릴 수지 30 ~ 45 중량부, 계면활성제 0.1 ~ 0.3 중량부, 과황산소다 0.22 ~ 0.25 중량부, 이산화규소 또는 소리비탄모노스테아레이트규소수지 0.5 ~ 0.7 중량부, 이산화티탄 분말 100 ~ 130 중량부, 직경 0.02 ~ 0.1㎜의 카본 분말 15 ~ 25 중량부 및 정제수 80 ~ 130 중량부를 함유하여 조성되는 것을 특징으로 한다.Preferably, after the step (d) of the present invention further comprises the step of (e) coating the surface of the utility, the step (e), (e) -1 mortar plastering surface on the surface of the utility Forming; (e) -2 applying a conductive primer paint 3 to 5 times on the upper surface of the mortar plastering surface to form a conductive primer surface; (e) -3 comprising the step of coating the surface of the public facilities by the thermal spraying method of PE or PP powder on the upper surface of the conductive primer surface, the conductive primer paint of (e) -2 is 100 parts by weight of polyvinyl acetate 30 to 45 parts by weight of acrylic resin, 0.1 to 0.3 parts by weight of surfactant, 0.22 to 0.25 parts by weight of sodium persulfate, 0.5 to 0.7 parts by weight of silicon dioxide or sorbitan monostearate silicon resin, and 100 to 130 titanium dioxide powder It is characterized by containing a weight part, 15-25 parts by weight of carbon powder having a diameter of 0.02 ~ 0.1mm and 80 to 130 parts by weight of purified water.
또한, 본 발명의 다른 목적은, 위의 방법들 중 하나에 의해 제조된 초고성능 콘크리트와 폐플라스틱을 이용한 업싸이클 공공시설물에 의해 달성될 수 있다.In addition, another object of the present invention can be achieved by upcycled utilities using ultra-high performance concrete and waste plastics produced by one of the above methods.
이상과 같은 본 발명은 철근 무배근 공법을 활용하여 초고성능 콘크리트의 강도만으로 공공시설물을 제조할 수 있되 폐플라스틱을 첨가하여 업사이클을 구현하고, 표면을 발수처리하여 항자외선 내구성, 동결융해 저항성, 내염해성, 내부식성이 우수한 특성을 구현할 수 있는 한편, 유기화학제품을 전혀 사용하지 않아 친환경 공공시설물을 제조할 수 있는 효과가 있다.The present invention as described above can be manufactured in the public facilities only by the strength of the ultra-high performance concrete using the reinforcement-free rebar method, the waste plastic is added to implement the upcycle, the surface of the water repellent treatment, anti-ultraviolet durability, freeze-thawing resistance, It can realize the characteristics of excellent corrosion resistance and corrosion resistance, and there is no effect of using any organic chemicals, it is effective to manufacture environmentally friendly public facilities.
이하, 본 발명의 실시예를 참조하여 설명하기로 한다.Hereinafter, with reference to the embodiment of the present invention will be described.
1. 거푸집 준비하기1. Preparing the formwork
본 실시예의 거푸집은 벤치, 테이블(원형 또는 사각형) 또는 화분 등과 같이 공공시설물의 형상에 맞도록 준비한다. 여기서, 본 실시예의 거푸집은 종래의 거푸집과는 달리 철근을 사용하지 않는다(무배근 공법).The formwork of this embodiment is prepared to match the shape of the public facilities such as benches, tables (round or square) or flowerpots. Here, the formwork of the present embodiment does not use reinforcing bars, unlike conventional formwork (reinforcement method).
2. 초고성능 콘크리트 타설 및 양생하기 (UHPC, Ultra-High Performance Concrete)2. Placing and curing ultra high performance concrete (UHPC, Ultra-High Performance Concrete)
먼저, 본 실시예의 초고성능 콘크리트는 다음과 같이 배합된다.First, the ultra high performance concrete of this embodiment is blended as follows.
(가) 시멘트 100 중량부에 대하여, 혼화제 1 ~ 1.5 중량부, 골재 100 ~ 250 중량부, 폐플라스틱 0.1 ~ 25 중량부 및 충전재 3 ~ 20 중량부를 믹서에 충전하여 10 ~ 20분간 건비빔을 수행한다.(A) Filling the mixer with 1 to 1.5 parts by weight of admixture, 100 to 250 parts by weight of aggregate, 0.1 to 25 parts by weight of waste plastic and 3 to 20 parts by weight of filler to the mixer for 10 to 20 minutes do.
본 실시예의 시멘트는 포틀랜트 시멘트이며, 혼화제는 플라이애쉬 또는 실리카퓸이다.The cement of this example is portland cement, and the admixture is fly ash or silica fume.
여기서, 혼화제는 실리카퓸으로 비표면적 200,000㎠/g, 밀도 2.10g/㎠, lg.loss 1.50%의 물리적 특성을 갖으며, 화학적 구성으로는 SiO2를 95.0 wt% 이상 함유한다.Here, the admixture is silica fume, which has physical properties of specific surface area of 200,000 cm 2 / g, density 2.10 g / cm 2, and lg.loss 1.50%, and a chemical composition contains 95.0 wt% or more of SiO 2 .
또한, 골재는 밀도 2.50 ~ 2.65g/㎠, 평균입경 0.5㎜ 이하의 모래만으로 구성되며, 굵은 골재는 사용하지 않는다.In addition, the aggregate is composed of only sand with a density of 2.50 ~ 2.65g / ㎠, the average particle diameter of 0.5mm or less, coarse aggregate is not used.
또한, 업사이클을 구현하기 위하여 제공된 폐플라스틱는 평균입경 2㎜ 이하이며, PE, PP, PVC 또는 PET가 포함될 수 있다.In addition, the waste plastic provided to implement the upcycle is 2 mm or less in average particle diameter, PE, PP, PVC or PET may be included.
여기서, 폐플라스틱은 다음과 같은 리사이클링 과정을 거쳐 제조된다.Here, the waste plastic is manufactured through the following recycling process.
a. 수집된 플라스틱을 수세후 건조한 후 세절한다.a. The collected plastic is washed with water and then dried.
b. 무수 알코올 100 중량부에 대하여, 벤젠 30 ~ 45 중량부 및 톨루엔 5 ~ 10 중량부에 혼합된 용기에 세절된 플라스틱 50 ~ 75 중량부를 충전한 후 30 ~ 60분간 교반한 다음 세절된 플라스틱을 분리한다.b. To 100 parts by weight of anhydrous alcohol, 30 to 45 parts by weight of benzene and 5 to 10 parts by weight of toluene are charged in a container of 50 to 75 parts by weight of shredded plastic, followed by stirring for 30 to 60 minutes, and then the shredded plastic is separated. .
여기서, 세절된 플라스틱을 무수 알코올, 벤젠 및 톨루엔이 혼합된 용액에 제공하여 교반하는 이유는 플라스틱 표면의 오일 성분을 제거하기 위함이다.Here, the reason why the shredded plastic is provided to a solution in which anhydrous alcohol, benzene and toluene are mixed and stirred is to remove the oil component of the plastic surface.
c. 분리된 플라스틱을 70 ~ 95℃에서 3 ~ 5분간 열풍건조한 후 평균입경 20㎜ 이하가 되도록 파쇄한 다음 밀폐용기에 충전하여 보관하여 최종 제조된다.c. The separated plastics are dried by hot air drying at 70-95 ° C. for 3-5 minutes, and then crushed to an average particle diameter of 20 mm or less, and then filled in a sealed container and finally manufactured.
또한, 충전재는 평균입경 30㎛ 이하이며, SiO2를 99.0 wt% 이상 함유된 것이다.In addition, the filler with an average particle diameter 30㎛ will now containing more than 99.0 wt% of SiO 2.
여기서, 최종 제조되는 초고성능 콘크리트의 색상을 발현하기 위하여 안료를 더 첨가할 수 있다.Here, the pigment may be further added to express the color of the ultra-high performance concrete to be manufactured.
안료는 시멘트 100 중량부에 대하여 0.1 ~ 3 중량부이다.The pigment is 0.1 to 3 parts by weight based on 100 parts by weight of cement.
(나) 배합수 30 ~ 50 중량부 및 고성능 감수제 0.1 ~ 3 중량부를 더 혼합한 후 10분간 비빔을 수행한다.(B) After mixing 30 to 50 parts by weight of the blended water and 0.1 to 3 parts by weight of the high-performance water reducing agent, perform the bibeam for 10 minutes.
여기서, 고성능 감수제는 폴리칼본산계이다.Here, the high performance sensitizer is a polycarboxylic acid system.
(다) 강섬유 1 ~ 4 중량부를 자동분산기를 이용하여 더 투입한 다음 5 ~ 10분간 비빔하여 초고성능 콘크리트를 제조한다.(C) 1 to 4 parts by weight of steel fiber is further added using an automatic disperser and then beamed for 5 to 10 minutes to produce ultra high-performance concrete.
여기서, 강섬유는 길이 12 ~ 15㎜, 직경 0.1 ~ 0.5㎜, 인장강도 2,500 ~ 3,000MPa의 고탄성용 강섬유이다.Here, the steel fibers are high elastic steel fibers having a length of 12 to 15 mm, a diameter of 0.1 to 0.5 mm, and a tensile strength of 2,500 to 3,000 MPa.
(라) 초고성능 콘크리트를 거푸집에 타설한 후 양생한다.(D) Curing after pouring super high-performance concrete into formwork.
여기서, 양생 과정은 습윤양생 및 증기양생이 순차적으로 진행되며, 이러한 양생 과정은 공지 기술 또는 공법에 준하기 때문에 이에 대한 상세한 설명은 생략하기로 한다.Here, the curing process is a wet curing and steam curing proceeds sequentially, and the detailed description thereof will be omitted because the curing process is in accordance with known techniques or methods.
3. 거푸집 해체하기3. Dismantling the formwork
양생 과정이 완료되면 거푸집을 해체한다.After the curing process is completed, the formwork is dismantled.
4. 공공시설물의 표면 다듬기4. Refine the surface of public utilities
공공시설물의 표면을 그라인더 또는 샌드페이퍼 머신(sandpaper machine)을 이용하여 표면의 거친 면을 다듬는다.The surface of the utility is polished using a grinder or sandpaper machine.
5. 공공시설물의 표면 코팅하기5. Surface coating of utilities
공공시설물의 표면이 다듬어져 있다하더라도, 사용자의 피부 또는 피복이 직접 접촉되는 경우에는 상처가 발생하거나 피복이 헤어질 수 있기 때문에 시설물의 표면은 미장용 몰탈을 이용하여 몰탈 미장면을 형성한다.Even if the surface of the public facility is polished, the surface of the facility uses mortar for plastering to form a mortar plastering surface because a wound or breakage may occur when the user's skin or skin is directly contacted.
그런 다음, 몰탈 미장면의 상부면에 PE, PP 파우더를 용사 방법으로 공공시설물의 표면을 코팅하여 매끄럽게 하는 한편, 방수, 방오기능을 제공한다.Then, PE and PP powder is sprayed on the upper surface of the mortar plastering surface to smooth the surface of the public facilities, while providing waterproof and antifouling function.
또한, 용사코팅을 바람직하게 구현하기 위하여 몰탈 미장면의 상부면에 도전성 프라이머 도료를 1회 내지 7회 도포한 후 용사코팅을 수행하는 것이 좋다. 여기서, 도전성 프라이머 도료는 폴리비닐아세테이트 100 중량부에 대하여, 아크릴 수지 30 ~ 45 중량부, 계면활성제 0.1 ~ 0.3 중량부, 과황산소다 0.22 ~ 0.25 중량부, 이산화규소 또는 소리비탄모노스테아레이트규소수지 0.5 ~ 0.7 중량부, 이산화티탄 분말 100 ~ 130 중량부, 직경 0.02 ~ 0.1㎜의 카본 분말 15 ~ 25 중량부 및 정제수 80 ~ 130 중량부를 함유하여 조성된 액상의 성상을 갖는다.In addition, in order to implement the thermal spray coating, it is preferable to apply the conductive primer paint to the upper surface of the mortar plastering surface once to 7 times and then perform the thermal spray coating. Here, the conductive primer paint is 30 to 45 parts by weight of acrylic resin, 0.1 to 0.3 parts by weight of surfactant, 0.22 to 0.25 parts by weight of sodium persulfate, silicon dioxide or soribitan monostearate silicon resin based on 100 parts by weight of polyvinyl acetate. 0.5 to 0.7 parts by weight, titanium dioxide powder 100 to 130 parts by weight, 15 to 25 parts by weight of carbon powder having a diameter of 0.02 to 0.1 mm, and 80 to 130 parts by weight of purified water.
본 실시예는 수성 타입의 도전성 프라이머 도료를 사용함으로써 유기용제를 전혀 사용하지 않아 친환경적이며 실외는 물론, 실내 작업에도 적용이 용이하도록 한 것이다.In this embodiment, the use of an aqueous type conductive primer paint does not use any organic solvents, so it is environmentally friendly and can be easily applied to outdoor work as well as indoor work.
또한, 위의 공정들 이외에 추가로 진행되는 공정을 설명하면 하기와 같다.In addition, the following processes in addition to the above process will be described.
2-2. 다른 색상의 안료가 배합된 초고성능 콘크리트의 재타설 및 양생하기2-2. Repositioning and Curing of High-Performance Concrete with Different Color Pigments
다양한 색상이 순차적층된 공공시설물을 제조하기 위하여 다른 색상의 안료가 배합된 초고성능 콘크리트를 양생된 콘크리트의 상부면에 재타설한 후 양생하되, 이러한 공정을 복수 회 진행할 수 있다.In order to manufacture a public facility in which various colors are sequentially layered, the super high-performance concrete in which different color pigments are mixed is cured after repositioning to the upper surface of the cured concrete, but this process can be performed a plurality of times.
또한, 기 설치된 거푸집에 재타설이 곤란하거나 불가능한 경우에는 거푸집을 연장하여 재타설할 수 있음을 미리 밝혀둔다.In addition, if it is difficult or impossible to re-install in the pre-installed formwork it will be revealed in advance that can be re-installed by extending the formwork.
또한, 양생된 콘크리트면의 상부면에 메쉬를 제공한 후 콘크리트를 재타설함으로써 물리적 강도를 개선할 수도 있다. 여기서, 메쉬는 금속 재질, 합성수지 재질 또는 섬유 재질이다.In addition, the physical strength may be improved by providing a mesh on the upper surface of the cured concrete surface and then re-casting the concrete. Here, the mesh is a metal material, synthetic resin material or fiber material.
이상과 같은 본 발명은 일 실시예에 한정되어 설명되었으나, 이에 한정되지 않고 본 발명의 기술적 사상을 토대로 변형되는 실시예들은 모두 본 발명의 권리범위에 속함이 분명하다.The present invention as described above has been described with reference to one embodiment, but not limited to this, all embodiments modified based on the technical idea of the present invention are obviously belong to the scope of the present invention.
Claims (5)
(b) 강섬유로 보강된 초고성능 콘크리트를 상기 거푸집에 타설한 후 양생하는 단계와;
(c) 제작된 공공시설물의 표면으로부터 상기 거푸집을 해체하는 단계와;
(d) 상기 공공시설물의 표면을 다듬는 단계로 이루어지되,
상기 초고성능 콘크리트는 (가) 시멘트 100 중량부에 대하여, 혼화제 1 ~ 1.5 중량부, 골재 100 ~ 250 중량부, 폐플라스틱 0.1 ~ 25 중량부 및 충전재 3 ~ 20 중량부를 믹서에 충전하여 10 ~ 20분간 건비빔을 수행하는 단계와; (나) 배합수 30 ~ 50 중량부 및 고성능 감수제 0.1 ~ 3 중량부를 더 혼합한 후 10분간 비빔을 수행하는 단계와; (다) 강섬유 1 ~ 4 중량부를 자동분산기를 이용하여 더 투입한 다음 5 ~ 10분간 비빔하여 제조되며,
상기 초고성능 콘크리트는 상기 시멘트 100 중량부에 대하여 안료 0.1 ~ 3 중량부를 더 포함하고,
상기 폐플라스틱은 a) 수집된 플라스틱을 수세후 건조한 후 세절하는 단계와; b) 무수 알코올 100 중량부에 대하여, 벤젠 30 ~ 45 중량부 및 톨루엔 5 ~ 10 중량부에 혼합된 용기에 세절된 플라스틱 50 ~ 75 중량부를 충전한 후 30 ~ 60분간 교반한 다음 세절된 플라스틱을 분리하는 단계와; c) 분리된 플라스틱을 70 ~ 95℃에서 3 ~ 5분간 열풍건조한 후 평균입경 20㎜ 이하가 되도록 파쇄한 다음 밀폐용기에 충전하여 보관하여 최종 제조되고,
상기 강섬유는 길이 12 ~ 15㎜, 직경 0.1 ~ 0.5㎜, 인장강도 2,500 ~ 3,000MPa을 갖는 것을 특징으로 하는 초고성능 콘크리트와 폐플라스틱을 이용한 업싸이클 공공시설물의 제조방법.
(a) manufacturing and installing formwork for manufacturing public facilities;
(b) curing the ultra-high performance concrete reinforced with steel fibers after pouring them into the formwork;
(c) dismantling the formwork from the surface of the manufactured utility;
(d) smoothing the surface of the utility,
The ultra-high performance concrete is (A) 10 to 20 parts by weight of 1 to 1.5 parts by weight of admixture, 100 to 250 parts by weight of aggregate, 0.1 to 25 parts by weight of waste plastic and 3 to 20 parts by weight of filler in a mixer. Performing a dry beam for a minute; (B) mixing 30 to 50 parts by weight of the blended water and 0.1 to 3 parts by weight of the high-performance water reducing agent, and then performing a bibeam for 10 minutes; (C) 1 to 4 parts by weight of steel fiber is added by using an automatic disperser and then manufactured by beaming for 5 to 10 minutes,
The ultra-high performance concrete further comprises 0.1 to 3 parts by weight of pigment based on 100 parts by weight of the cement,
The waste plastics are a) drying and washing the collected plastic after washing with water; b) 50 to 75 parts by weight of the shredded plastic is charged into a container mixed with 30 to 45 parts by weight of benzene and 5 to 10 parts by weight of toluene, followed by stirring for 30 to 60 minutes, and then Separating; c) The separated plastics are hot-air dried at 70-95 ℃ for 3 to 5 minutes, and then crushed to an average particle diameter of 20 mm or less, and then filled into a sealed container and finally manufactured.
The steel fiber has a length of 12 ~ 15mm, 0.1 ~ 0.5mm in diameter, tensile strength 2,500 ~ 3,000MPa characterized in that the high-performance concrete and waste plastics manufacturing method using the upcycle public facilities.
상기 (b)단계는,
(b)-1 양생된 초고성능 콘크리트의 상부면에 메쉬를 제공하는 단계와;
(b)-2 다른 색상의 안료가 배합된 초고성능 콘크리트를 양생된 콘크리트의 상부면에 재타설한 후 양생하는 단계로 이루어지는 것을 특징으로 하는 초고성능 콘크리트와 폐플라스틱을 이용한 업싸이클 공공시설물의 제조방법.
The method of claim 1,
In step (b),
(b) -1 providing a mesh on the upper surface of the cured ultra-high performance concrete;
(b) -2 The manufacture of upcycled public facilities using ultra-high-performance concrete and waste plastics, characterized in that the step of curing the super-high-performance concrete blended with pigments of different colors on the upper surface of the cured concrete Way.
상기 (d)단계 이후에 공공시설물 표면을 코팅하는 (e)단계를 더 포함하되,
상기 (e)단계는,
(e)-1 상기 공공시설물 표면에 몰탈 미장면을 형성하는 단계와;
(e)-2 상기 몰탈 미장면의 상부면에 도전성 프라이머 도료를 3 ~ 5회 도포하여 도전성 프라이머면을 형성하는 단계와;
(e)-3 상기 도전성 프라이머면의 상부면에 PE 또는 PP 파우더를 용사 방법으로 공공시설물의 표면을 코팅하는 단계로 이루어지되,
상기 (e)-2의 도전성 프라이머 도료는 폴리비닐아세테이트 100 중량부에 대하여, 아크릴 수지 30 ~ 45 중량부, 계면활성제 0.1 ~ 0.3 중량부, 과황산소다 0.22 ~ 0.25 중량부, 이산화규소 또는 소리비탄모노스테아레이트규소수지 0.5 ~ 0.7 중량부, 이산화티탄 분말 100 ~ 130 중량부, 직경 0.02 ~ 0.1㎜의 카본 분말 15 ~ 25 중량부 및 정제수 80 ~ 130 중량부를 함유하여 조성되는 것을 특징으로 하는 초고성능 콘크리트와 폐플라스틱을 이용한 업싸이클 공공시설물의 제조방법.
The method of claim 1,
After the step (d) further comprises the step (e) of coating the surface of the utility,
In step (e),
(e) -1 forming mortar plastering surfaces on the surface of the public facilities;
(e) -2 applying a conductive primer paint 3 to 5 times on the upper surface of the mortar plastering surface to form a conductive primer surface;
(e) -3 consists of coating the surface of the public facilities by the thermal spraying method of PE or PP powder on the upper surface of the conductive primer surface,
The conductive primer paint of (e) -2 is 30 to 45 parts by weight of acrylic resin, 0.1 to 0.3 parts by weight of surfactant, 0.22 to 0.25 parts by weight of sodium persulfate, silicon dioxide or soribitan based on 100 parts by weight of polyvinyl acetate. Ultra high performance, characterized in that the composition comprises 0.5 to 0.7 parts by weight of monostearate silicon resin, 100 to 130 parts by weight of titanium dioxide powder, 15 to 25 parts by weight of carbon powder having a diameter of 0.02 to 0.1 mm and 80 to 130 parts by weight of purified water Method for manufacturing upcycle public facilities using concrete and waste plastic.
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