KR100503948B1 - Fiber reinforced permeable concrete - Google Patents
Fiber reinforced permeable concrete Download PDFInfo
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- KR100503948B1 KR100503948B1 KR1020050017691A KR20050017691A KR100503948B1 KR 100503948 B1 KR100503948 B1 KR 100503948B1 KR 1020050017691 A KR1020050017691 A KR 1020050017691A KR 20050017691 A KR20050017691 A KR 20050017691A KR 100503948 B1 KR100503948 B1 KR 100503948B1
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B16/0616—Macromolecular compounds fibrous from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B16/0641—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
- 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
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
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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
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
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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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/28—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/282—Polyurethanes; Polyisocyanates
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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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- 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
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00284—Materials permeable to liquids
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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 Kinetics & Catalysis (AREA)
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Abstract
본 발명은 종래의 투수콘크리트의 문제점을 극복하고, 물의 정화와 음이온 방출, 원적외선 방출 등의 기능을 할 수 있는 섬유보강 투수콘크리트에 관한 것으로서, 시멘트와의 결착력이 우수한 친수성 PVA(polyvinyl alcohol[acetate])와 같은 섬유를 이용하여 균열을 제어하고, 고로슬래그 미분말 또는 플라이애시로 콘크리트 조직구조의 밀실화와 함께 화학적 안정을 이루며, 또한 폴리머 혼화제를 사용하여 다공성 콘크리트 조직에 폴리머가 피복되도록 함으로써 물과 제설제로부터 콘크리트 구조를 보호하여 피해를 최소화하고, 토르말린이나 맥반석, 제올라이트, 황토 등의 기능성 혼화제를 하나 이상 첨가하여 물의 정화, 음이온 방출, 원적외선 방출, 냄새 제거 등의 기능을 갖도록 한다.The present invention relates to a fiber-reinforced water-permeable concrete that can overcome the problems of conventional water-permeable concrete, and can function as water purification, anion release, and far-infrared radiation, and has excellent binding ability with cement for hydrophilic polyvinyl alcohol [acetate]. Control the cracks using fibers such as), achieve chemical stability with tightness of concrete structure with blast furnace slag powder or fly ash, and also use polymer admixture to coat polymer on porous concrete tissues To minimize the damage by protecting the concrete structure from the agent, and by adding one or more functional admixtures such as tourmaline, elvan, zeolite, ocher, etc. to have the functions of purifying water, releasing anions, releasing far infrared rays, and removing odors.
Description
본 발명은 섬유보강 투수콘크리트에 관한 것으로서, 좀 더 구체적으로는 친수성을 갖는 PVA(polyvinyl alcohol[acetate]) 섬유 및 적정량의 고로슬래그 미분말 또는 플라이애시를 사용하여 시멘트 콘크리트의 미세한 공극을 충진하고 수화시 생성되는 수산화칼슘과 반응하여 새로운 수화물을 생성하여 보다 치밀한 콘크리트 조직 구조를 형성하는 섬유보강 투수콘크리트에 관한 것이다. The present invention relates to a fiber-reinforced permeable concrete, and more specifically, using a hydrophilic polyvinyl alcohol [acetate] (PVA) fiber and an appropriate amount of blast furnace slag powder or fly ash to fill the fine pores of cement concrete and when hydrating The present invention relates to a fiber reinforced permeable concrete that reacts with calcium hydroxide to produce new hydrate to form a more dense concrete structure.
또한 본 발명은, 일반적인 투수콘크리트의 단점인 백화현상과 겨울철 제설제에 의한 피해를 줄이고, 잠재수경성이나 포졸란 작용에 의하여 장기 강도를 증진시키며, 토르말린이나 맥반석, 제올라이트, 황토 등의 기능성 혼화제를 하나 이상 첨가하여 물의 정화, 음이온 방출, 원적외선 방출 등의 기능을 갖는 자전거도로, 산책로, 주차장, 광장 등에 사용 가능한 섬유보강 투수콘크리트에 관한 것이다.In addition, the present invention reduces the damage caused by whitening phenomena and winter snow removing agent, which is a disadvantage of the general permeable concrete, improves long-term strength by the action of latent hydrophobic or pozzolanic, and at least one functional admixture such as tourmaline, elvan, zeolite and ocher The present invention relates to a fiber reinforced water-permeable concrete which can be added to a bicycle road, a walkway, a parking lot, a plaza, and the like to purify water, release anions, and emit far infrared rays.
최근 투수성 포장에 대한 관심과 필요성의 증가는 다양한 기술의 발전을 가져왔다. The recent increase in interest and need for permeable packaging has led to the development of various technologies.
먼저, 종래 투수성 포장의 결합재로는 폴리머를 사용하였으나, 경제적인 이유로 이는 일반화되지 못하였고, 시멘트를 결합재로 한 기술만이 대중화되었다. First, although a polymer is used as a binder of a conventional water-permeable packaging, this has not been generalized for economic reasons, and only a cement-based binder has been popularized.
시멘트 결합재를 이용한 투수성 콘크리트 포장에 관한 발명으로 공지된 것으로는, 시멘트와 조골재 및 바인더로 이루어진 시멘트 콘크리트 혼합물을 형틀에 부어 경화시켜 완성하는 고투수성을 지닌 시멘트 콘크리트 구축물의 제조법(국내 특허공고 제91-6894호), 콘크리트 구축물의 표면층에 골재를 피복하고 있는 시멘트 모르타르에 초고압수를 가하여 세골재와 시멘트 모르타르를 박리시키는 개선된 투수성 콘크리트 구축물의 제조방법(국내 특허공고 제97-1250호), 물과 시멘트, 잔골재, 굵은 골재, 안료, 혼화제를 혼합하여 투수계수가 0.1cm/sec 이상이고 일정한 입도범위에 따라 강도가 100kg/cm2 내지 300kg/cm2 범위를 가진 유색 투수성콘크리트(국내 특허공고 제90-4390호), 물과 시멘트, 6~10mm골재, 안료, 고유동화제, 폴리프로필렌 섬유보강재를 혼합하여 투수계수가 1×10-2cm/sec 이상이고 휨강도가 25~50kg/cm2로 되게 한 섬유보강 칼라 투수콘크리트(국내 특허 제248478호), 플라이애쉬나 고로수쇄슬래그를 주경화제로 사용하고 경화촉진제로 고강도 조강시멘트를 사용함으로써 35kg/cm2 이상의 휨강도를 발현시키는 투수성 콘크리트(국내 특허 제311988호) 등 여러 가지가 있다.Known invention for the permeable concrete pavement using a cement binder, a method of manufacturing a high-permeability cement concrete construction that is completed by pouring a cement concrete mixture consisting of cement, coarse aggregate and binder into a mold and hardened (Korean Patent Publication No. 91 -6894), a method for producing an improved permeable concrete structure which exfoliates fine aggregate and cement mortar by applying super high pressure to the cement mortar coating the aggregate on the surface layer of the concrete structure (Korean Patent Publication No. 97-1250), water Colored permeable concrete with a permeability coefficient of 0.1cm / sec or more and a strength range of 100kg / cm 2 to 300kg / cm 2 by mixing cement, fine aggregate, coarse aggregate, pigment and admixture. No. 90-4390), water and cement, 6 ~ 10mm aggregates, pigments, high fluidizing agent, polypropylene fiber reinforcement Fiber reinforcement collar permeable concrete (Domestic Patent No. 248478), which has a water coefficient of 1 × 10 -2 cm / sec and a flexural strength of 25 to 50 kg / cm 2 , is used as a hardening accelerator and a fly ash or blast furnace chain slag. There are various kinds of permeable concrete (domestic patent No. 311988) which expresses flexural strength of 35 kg / cm 2 or more by using a high strength steel cement.
그러나 투수성 시멘트 콘크리트는, 시멘트 중 가용 성분이 수분과 더불어 콘크리트 표면으로 이동하여 하얀 석출물로서 표면으로 올라오는 백화 현상이 발생하는 문제점이 있었으며, 이는 일반 쇄석골재를 사용할 때보다 재생골재를 사용할 때 더 많이 발생하였다. However, permeable cement concrete has a problem that whitening phenomenon occurs when the soluble components of cement move to the concrete surface along with water and rise to the surface as white precipitate, which is more when using recycled aggregate than when using ordinary crushed aggregate. It occurred a lot.
또한 일반 콘크리트 보다 수축팽창율이 크기 때문에 발생되는 균열현상 및 겨울철 염화칼슘의 살포로 인한 골재 분리 또는 포장체의 파손과 같은 문제점이 있었다. In addition, there are problems such as cracking caused by larger shrinkage expansion rate than general concrete and aggregate separation or breakage of the package due to the application of calcium chloride in winter.
따라서 상기한 바와 같은 투수 콘크리트의 문제점을 극복하기 위한 여러 가지 시도가 있었다. Therefore, various attempts have been made to overcome the problems of the permeable concrete as described above.
예를 들어, 백화 현상을 방지하기 위하여 스테아린산, 파라핀에멀젼과 같은 방수제를 혼합하여 수분의 이동을 억제시키는 방법 등이 사용된 바 있고, 균열 현상을 방지하기 위하여 폴리프로필렌 섬유를 보강하여 균열을 다소 억제할 수 있도록 하였으나, 폴리프로필렌 섬유가 콘크리트와 제대로 결착되지 않아 효과가 적었다. For example, in order to prevent bleaching, a method of inhibiting moisture migration by mixing a waterproofing agent such as stearic acid and paraffin emulsion has been used, and to prevent cracking, some cracks are reinforced by reinforcing polypropylene fibers. However, the polypropylene fiber was less effective because it did not bind well with concrete.
이에 본 발명자는 투수콘크리트의 원재료를 재검토하여 다양한 시도를 거듭한 결과, 소수성을 가진 섬유보다 섬유 표면에 친수성을 가져서 시멘트와의 결착강도가 우수한 PVA(polyvinyl alcohol[acetate])와 같은 섬유보강재와 폴리머 혼화제, 그리고 제철공장에서 부산물로 생성되는 비표면적 4,500cm2/g 이상인 고로슬래그 미분말이나 화력발전소에서 발생되는 플라이애시로 시멘트를 치환하여 사용할 경우, 일반적인 투수콘크리트의 단점이었던 균열과 백화, 제설제에 의한 피해가 방지되어 내구성이 뛰어난 투수콘크리트가 얻어지며, 토르말린이나 맥반석, 제올라이트, 황토 등의 기능성 혼화제를 하나 이상 첨가하면 물의 정화, 음이온 방출, 원적외선 방출 등의 기능을 가짐을 밝혀내어 본 발명을 완성하게 되었다.Accordingly, the present inventors reviewed the raw materials of the permeable concrete, and as a result of various attempts, the fiber reinforcement and polymer such as PVA (polyvinyl alcohol [acetate]) having hydrophilicity on the fiber surface than the hydrophobic fiber and having superior binding strength with cement. Admixtures and blast furnace slag powders with a specific surface area of more than 4,500 cm 2 / g or by fly ash generated from thermal power plants, which are used as by-products in steel mills, are used for cracks, whitening, and snow removers, which are disadvantages of conventional permeable concrete Damage is prevented and durable permeable concrete is obtained, and the addition of one or more functional admixtures such as tourmaline, elvan, zeolite and ocher has been found to have functions of purifying water, releasing anions and releasing far infrared rays, thus completing the present invention. Was done.
본 발명의 목적은 지금까지의 투수콘크리트가 가지고 있는 문제점을 해결하기 위한 것이다. An object of the present invention is to solve the problems of the conventional pitcher concrete.
즉, 본 발명은 종래 투수콘크리트가 수축 팽창에 따른 균열과 제설제에 의한 재료 분리 등의 피해를 입었던 것을 방지하기 위하여 친수성을 갖는 섬유보강재를 사용하여 시멘트와의 결착력을 증대시켜 균열의 억제를 극대화하고, 시멘트를 고로슬래그 미분말이나 플라이애시 등으로 치환하고 폴리머 혼화제를 사용하여 콘크리트 표면을 피복하여 보다 치밀한 콘크리트 조직구조를 형성하여 백화현상과 제설제의 피해를 최소화하며, 토르말린이나 맥반석, 제올라이트, 황토 등의 기능성 혼화제를 하나 이상 첨가하여 물의 정화, 음이온 방출, 원적외선 방출, 냄새 제거 등의 유용한 기능을 갖는 섬유보강 투수콘크리트를 제공하는 것을 목적으로 한다. That is, the present invention maximizes the suppression of cracks by increasing the binding strength with cement using hydrophilic fiber reinforcement in order to prevent damage to the conventional water-permeable concrete due to shrinkage expansion and material separation by the snow removal agent. The cement is replaced with blast furnace slag powder or fly ash, and the polymer admixture is used to cover the concrete surface to form a more dense concrete structure, minimizing the damage of bleaching and snow removing agent, tourmaline, ganban stone, zeolite and ocher. It is an object to provide a fiber-reinforced water-permeable concrete having useful functions such as water purification, anion release, far-infrared release, and odor removal by adding one or more functional admixtures.
상기 목적을 달성하기 위한 본 발명의 투수콘크리트는 5mm 이하의 골재가 30중량% 이하인 10mm 골재나 13mm 골재 1,500~1,875kg/m3(상기 골재의 5mm체 통과량이 10중량% 이하인 경우에는 5mm 이하의 골재를 10중량% 정도 추가)에, 결합재(시멘트+고로슬래그 미분말 또는 플라이애시) 320~380kg/m3(시멘트의 비율 70~90중량%), 친수성을 갖는 PVA(polyvinyl alcohol[acetate])와 같은 섬유보강재 700~1,500g/m3, 상기 결합재의 28~35중량%의 물 90~133kg/m3 (물의 10중량%를 폴리머 혼화제 9~13kg/m3로 치환하여 사용) 및 상기 결합재의 2~5중량%의 안료 6~19kg/m3를 혼합하여 다짐 및 양생하여 얻어진다.Permeable concrete of the present invention for achieving the above object is 5mm or less aggregates less than 30% by weight 10mm aggregates or 13mm aggregates 1,500 ~ 1,875kg / m 3 (if 5mm sieve passing amount of the aggregate is less than 5mm Aggregate (cement + blast furnace slag fine powder or fly ash) 320 ~ 380kg / m 3 (70 ~ 90% by weight of cement), hydrophilic polyvinyl alcohol [acetate] The same fiber reinforcement 700 ~ 1500g / m 3 , 28 ~ 35% by weight of the binder 90 ~ 133kg / m 3 (10% by weight of water is replaced by a polymer admixture 9 ~ 13kg / m 3 ) and the binder It is obtained by compacting and curing 2 to 5 weight% pigment 6-19 kg / m <3> .
본 발명에서 골재는 쇄석이나 재생골재, 또는 이를 혼합한 것을 이용하여도 무방하며, 골재의 5mm체 통과량이 10중량% 이하인 경우에는 5mm 이하의 잔골재를 10중량% 정도 추가하여 강도의 저하가 발생되지 않도록 한다. In the present invention, aggregate may be used as a crushed stone or recycled aggregate, or a mixture thereof. When the amount of 5mm sieve passing through the aggregate is 10 wt% or less, the aggregates of about 5 mm or less are added to about 10 wt%, so that the decrease in strength does not occur. Do not
다공성 콘크리트의 투수성은 잔골재가 없으면 최대로 발휘되지만, 소정의 강도를 발현하기 위해서는 잔골재가 필요하다. 잔골재가 30중량%에 가까우면 물-결합재비를 적절히 조절하여 결합재가 흘러내려 공극을 메우는 일이 없도록 한다.The permeability of the porous concrete is exhibited to the maximum without the fine aggregate, but fine aggregate is required to express a predetermined strength. If the fine aggregate is close to 30% by weight, the water-binder ratio is properly adjusted so that the binder does not flow down to fill the voids.
재생골재를 사용할 경우에는 일반 쇄석보다 흡수율이 높으므로, 물의 양에 주의하여 배합한다.In the case of using recycled aggregates, the absorption is higher than that of ordinary crushed stone, so mix carefully with the amount of water.
상기 고로슬래그와 관련하여, 일반 콘크리트의 경우는 그 사용량이 30~50중량% 치환할 정도라면 고강도화가 가능한 것으로 보고 있으나, 투수콘크리트의 경우는 고로슬래그 미분말 사용량이 7~15중량%의 범위에서 강도의 증진을 보였다.In relation to the blast furnace slag, it is reported that the strength of the blast furnace slag fine powder is in the range of 7 to 15% by weight in the case of general concrete, if the amount of use is replaced by 30 to 50% by weight. Showed improvement.
상기 폴리머 혼화제로는 수분산성 우레탄 및 아크릴 수지 중 하나 이상의 것을 사용한다. As the polymer admixture, at least one of a water dispersible urethane and an acrylic resin is used.
본 발명에서 기능성 혼화제로서 첨가되는 상기 각 성분들의 역할을 설명하면 다음과 같다. Referring to the role of each component added as a functional admixture in the present invention is as follows.
토르말린은 지구상에 존재하는 광물 중에서 유일하게 영구적인 전기적 특성을 지니는 광석으로 전기석이라고도 불리우며, 화학성분은 철, 마그네슘, 알칼리 금속 등과 알루미늄의 복잡한 붕규산염이다. 토르말린은 항산화작용과 0.06A의 작은 전류가 흘러 발생하는 음이온과 원적외선 효과에 의해 공기 정화, 물의 정화, 냄새 제거, 신진대사 촉진작용 등의 효과가 있다.Tourmaline is the only mineral on earth that has permanent electrical properties, also known as tourmaline, and its chemical composition is a complex borosilicate of iron, magnesium, alkali metals and aluminum. Tourmaline has the effect of purifying air, purifying water, removing odor, and promoting metabolism by anion and far-infrared effect generated by antioxidant activity and small current of 0.06A.
맥반석은 중생대말부터 신생대초(7000만년전~5000만년전) 화산활동에 의해 분출 용해되어 오랜 세월동안 풍화작용을 거쳐 점토화된 장석의 하얀 반점과 석영의 결정이 고르게 섞여 생성된 자연석으로, 화성암류중 석영반암에 속하는 암석(알칼리 장석과 석영을 주성분)으로서, 화학적으로 무수규산(SiO2)과 산화알루미늄(Al2O3)이 주성분이며, 인체 및 살아있는 세포에 꼭 필요한 산화제2철(Fe2O3)이 함유된 것이 특징이다. 이는 40여종의 미네랄 구성으로 생체의 발육과 생리기능을 조절하여 세포의 활력을 유지하고, 1㎤당 3만~15만여개의 많은 공극(다공질)을 가져서 강력한 흡착작용은 물론 미네랄 용출, 이온교환작용, 원적외선을 방사하는 바이오스톤으로 유해물질 및 중금속을 흡착분해하며, 부패원인 제거, 신선도 유지기능, 수질조절 등의 기능을 한다.Elvan rock is a natural stone produced by mixing the white spots of feldspar and quartz crystals evenly by melting and erupting by volcanic activity from the end of mesozoic to neonatal (70 million years to 50 million years). As rocks (alkali feldspar and quartz), which belongs to quartz bedrock, chemically consists of silicic anhydride (SiO 2 ) and aluminum oxide (Al 2 O 3 ), and ferric oxide (Fe 2 O) which is essential for human body and living cells. 3 ) is contained. It is composed of 40 kinds of minerals to control the growth and physiological functions of living organisms to maintain the vitality of cells, and has 30,000 to 150,000 pores (porous) per cm 3, so as not only strong adsorption, but also mineral leaching and ion exchange As a biostone that emits far infrared rays, it adsorbs and decomposes harmful substances and heavy metals, and removes the sources of rot, maintains freshness, and controls water quality.
제올라이트는 비석이라고도 불리는 광물로 알칼리 및 알칼리토금속의 규산알루미늄 수화물인 광물의 총칭이다. 결정구조적으로 각 원자의 결합이 느슨하고, 그 사이를 채우고 있는 수분을 고열로 방출시켜도 골격은 그대로 있기 때문에 다른 미립물질을 흡착할 수가 있다. 이러한 성질로 인하여 다양한 분야에서 흡착제로 사용되며 크기가 다른 미립물질을 분리시키는 분자체로 사용되기도 한다. 제올라이트는 이온 교환성과 촉매작용이 뛰어나고 대지의 정화, 수질 정화, 공기 정화에 유효한 광물이다.Zeolite is a mineral also called zeolite and is a generic term for minerals that are aluminum silicate hydrates of alkali and alkaline earth metals. In the crystal structure, the bonds of the atoms are loose, and even when the moisture filling the spaces is released at high heat, the skeleton remains as it is, so that other fine particles can be adsorbed. Because of this property, it is used as an adsorbent in various fields and is also used as a molecular sieve to separate particulates of different sizes. Zeolites are excellent in ion exchange and catalysis and are effective minerals for earth purification, water purification and air purification.
또한 황토는 고령토나 점토보다 찰력이 많은 입자로서 실리카와 알루미나, 철, 마그네슘, 나트륨, 칼륨 등 수많은 무기질이 함유된 미세입자로 인체에 유익한 미네랄은 물론 다양한 유효 약리작용을 하여 살아 숨쉬는 흙으로서 최근 각광받고 있다. 이러한 황토의 화학조성으로는 실리카(SiO2) 60~65%, 철분 5~6%, 알루미나(Al2O3) 10~13%, 마그네슘(Mg)과 나트륨(Na) 2% 내외, 칼륨 1.5%, 석회 8% 내외로 이루어지며, 주요 효능은 공기 정화, 원적외선 방사, 항균 작용, 냄새 제거, 수질 정화 등을 들 수 있다.Also, ocher is more particle than kaolin and clay, and it is a fine particle containing numerous minerals such as silica, alumina, iron, magnesium, sodium, and potassium. I am getting it. Such ocher chemical composition includes silica (SiO 2 ) 60-65%, iron 5-6%, alumina (Al 2 O 3 ) 10-13%, magnesium (Mg) and sodium (Na) 2%, potassium 1.5 It consists of about 8% of lime and about 8%, and the main effects are air purification, far-infrared radiation, antibacterial action, odor removal, and water purification.
상기에서 고로슬래그 미분말의 사용량을 시멘트의 0중량%, 10중량% 및 20중량%로 달리하여 투수콘크리트를 각각 제조하여 압축강도, 인장강도, 휨강도, 투수계수를 시험한 결과치는 하기 표에서와 같다. The permeable concrete was prepared by varying the amount of blast furnace slag fine powder to 0% by weight, 10% by weight and 20% by weight of cement, respectively, and the results of testing the compressive strength, tensile strength, bending strength, and permeability coefficient are shown in the following table. .
이를 보면, 고로슬래그 미분말의 사용량이 시멘트의 10중량% 정도일 때 압축강도 및 인장강도, 휨강도가 가장 우수함을 알 수 있다. 그러나, 본 발명에서는 고로슬래그 미분말이나 플라이애시의 사용량을 시멘트의 30중량% 범위까지 사용한다. 이는 압축강도는 10중량% 정도를 치환하였을 때가 가장 높게 나타났으나, 대조군과 비교해서 크게 강도저하가 없는 범위까지 치환·사용하여 제설제의 영향을 최소화하고 장기강도 증진 효과를 고려하여 치환율을 설정한 것이다.From this, it can be seen that when the amount of blast furnace slag powder used is about 10% by weight of cement, the compressive strength, the tensile strength, and the bending strength are the best. However, in the present invention, the blast furnace slag fine powder or fly ash is used up to 30% by weight of the cement. The compressive strength was highest when 10% by weight was substituted, but the substitution rate was set up to the extent that the strength was not significantly reduced compared to the control group to minimize the effect of snow removing agent and set the substitution rate in consideration of long-term strength enhancement effect. It is.
본 발명의 섬유보강 투수콘의 시공방법은 일반적인 투수콘크리트의 그것과 동일하다.The construction method of the fiber-reinforced pitcher cone of the present invention is the same as that of a general pitcher concrete.
이렇게 제조된 본 발명의 섬유보강 투수콘은 자전거 도로, 산책로, 주차장, 광장 등에 사용될 수 있다.The fiber reinforced pitcher cone of the present invention prepared as described above can be used for bicycle roads, trails, parking lots, plazas and the like.
본 발명에 의한 섬유보강 투수콘은 친수성을 갖는 섬유보강재를 사용하여 균열을 억제하고, 고로슬래그 미분말이나 플라이애시를 사용하여 화학적으로 기존의 투수콘크리트보다 안정한 구조체를 형성한다. The fiber reinforced pitcher cone according to the present invention suppresses cracking by using a fiber reinforced material having hydrophilicity, and forms a structure more chemically stable than conventional water-permeable concrete using blast furnace slag fine powder or fly ash.
그리고, 폴리머 혼화제를 사용하여 콘크리트를 감싸는 막을 형성시켜 백화와 제설제의 영향을 최소화할 수 있어 일반 골재보다 재생골재를 사용한 경우에 더욱 큰 효과를 기대할 수 있다. In addition, by using a polymer admixture to form a film surrounding the concrete can minimize the effects of whitening and snow removal agent can be expected to have a greater effect when using recycled aggregates than ordinary aggregates.
또한 잠재수경성이나 포졸란 효과에 의해 콘크리트 조직이 더 치밀하게 되어 장기강도 증진효과가 있으며, 섬유보강재의 균열억제 효과로 보수비용의 절감을 가져오고, 유효자원의 재활용에도 도움이 되며, 토르말린이나 맥반석, 제올라이트, 황토 등의 기능성 혼화제를 하나 이상 첨가하여 물의 정화, 음이온 방출, 원적외선 방출, 냄새 제거 등의 기능을 갖게 된다.In addition, the concrete structure becomes more dense due to latent hydrophobicity or pozzolanic effect, which enhances long-term strength, and reduces the cost of repairing by inhibiting cracks of fiber reinforcement, and helps to recycle active resources. By adding one or more functional admixtures such as zeolite and ocher, it has functions of purifying water, releasing anions, releasing far infrared rays, and removing odors.
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