KR101778998B1 - Multifunctional High Efficient Concrete Composition Using Eco-friendly Special Additive and Construction Method Using the Same - Google Patents
Multifunctional High Efficient Concrete Composition Using Eco-friendly Special Additive and Construction Method Using the Same Download PDFInfo
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- 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
- C04B16/02—Cellulosic materials
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- 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
- C04B16/12—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 characterised by the shape, e.g. perforated strips
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- C—CHEMISTRY; METALLURGY
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- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/34—Natural resins, e.g. rosin
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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
- C04B7/00—Hydraulic cements
- C04B7/12—Natural pozzuolanas; Natural pozzuolana cements; Artificial pozzuolanas or artificial pozzuolana cements other than those obtained from waste or combustion residues, e.g. burned clay; Treating inorganic materials to improve their pozzuolanic characteristics
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
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- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
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- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/50—Defoamers, air detrainers
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- 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
- C04B2111/00017—Aspects relating to the protection of the environment
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Abstract
Description
본 발명은 각종 건축 구조물, 도로, 보도, 포장재 등에 사용되는 콘크리트의 제조방법 및 이를 이용한 콘크리트 시공방법에 관한 것으로서, 더욱 상세하게는, 콘크리트에 친환경 특수 첨가제를 첨가함으로써, 방수성, 투수성, 내구성을 향상시키고, 강성, 연성, 방수성 및 수화열 기능을 조절하여 크랙을 방지할 수 있으며, 콘크리트의 결합력을 증대시킴과 동시에 환경 오염을 줄일 수 있도록 한 친환경 특수첨가제를 이용한 다기능 고성능 콘크리트 제조방법 및 그 시공방법에 관한 것이다.TECHNICAL FIELD The present invention relates to a method for manufacturing concrete used for various building structures, roads, sidewalks, and packaging materials, and a method of constructing concrete using the same. More specifically, A method of manufacturing a multifunctional high performance concrete using an environmentally friendly special additive capable of preventing cracks by controlling rigidity, ductility, waterproofing and hydration heat function and increasing the bonding force of concrete and reducing environmental pollution .
콘크리트(Concrete)는, 시멘트, 시멘트 페이스트(Paste), 모래와 자갈 등의 골재를 적정한 비율로 섞어서 만든 혼합물을 말한다. Concrete is a mixture of cement, cement paste, aggregate of sand and gravel mixed at an appropriate ratio.
일반적으로 콘크리트 체적의 약 70%는 골재이고, 나머지 30%가 시멘트 페이스트로 이루어진다.Generally, about 70% of the concrete volume is aggregate, and the remaining 30% is made of cement paste.
상기 시멘트 페이스트는, 골재 사이의 공극을 채우는 역할을 하며, 굳지 않은 콘크리트에서는 콘크리트가 유동성을 갖게 하고, 굳은 콘크리트에서는 골재와 결합하여 강도를 발휘한다.The cement paste serves to fill voids between aggregates. In the case of unhardened concrete, the concrete has fluidity, while in hardened concrete, the cement paste combines with the aggregate to exhibit strength.
콘크리트는 굳지 않은 상태에서는 작업에 적합한 유동성을 가져야 하고, 굳은 상태에서는 설계시 의도한 강도, 내구성, 수밀성 및 강재 보호성능을 유지해야 한다.Concrete should have the proper fluidity for the work under unfrozen conditions, and maintain its intended strength, durability, watertightness and steel protection in the hardened state.
위와 같은 사항을 만족시키기 위해서는 재료, 배합방법을 적절히 선정해야 하고, 혼합, 운반, 타설, 다짐, 양생 등의 시공과정 전반에 걸쳐 철저한 관리가 필요하다. In order to satisfy the above requirements, it is necessary to select the materials and mixing method appropriately and thorough management is required throughout the construction process such as mixing, transportation, casting, compaction, and curing.
상기 콘크리트는, 압축강도가 크고 내구성이 우수하며, 거푸집을 이용하여 자유로운 형상으로 제작할 수 있고, 시공이 단순하며 유지보수가 용이하다는 장점이 있다.The concrete has a high compressive strength and is excellent in durability and can be manufactured in a free form using a formwork, and is simple in construction and easy in maintenance.
그러나 콘크리트는, 인장강도가 작고, 콘크리트 경화 시까지 양생관리가 필요하며, 수축에 의한 균열이 발생할 수 있고, 숙련도 및 관리에 따라 품질에 차이가 발생하게 된다는 단점이 있다. However, concrete has a disadvantage in that it has a small tensile strength, requires curing management until concrete is cured, cracks may occur due to shrinkage, and there is a difference in quality depending on skill and management.
콘크리트는 약한 인장강도를 보강하기 위해 통상 철근과 함께 사용하게 되며, 이러한 철근 콘크리트는 철근의 높은 인장강도와 콘크리트의 높은 압축강도를 유지할 수 있기 때문에 각종 건물이나 구조물에 널리 사용되고 있다.Concrete is usually used together with reinforcing bars to reinforce weak tensile strength. Such reinforcing concrete is widely used in various buildings and structures because it can maintain high tensile strength of reinforcing bars and high compressive strength of concrete.
콘크리트는 시공 방식에 따라, 프리스트레스드 콘크리트(Prestressed Concrete), 포스트텐셔닝(Post Tensioning) 콘크리트, 프리캐스트 콘크리트 (Precast Concrete), 프리팩트 콘크리트(Prepacked Concrete) 등으로 분류할 수 있다.Concrete can be classified into prestressed concrete, post tensioning concrete, precast concrete, prepacked concrete according to the construction method.
상기 프리스트레스드 콘크리트는, 외력에 의한 응력을 소정 한도까지 상쇄할 수 있도록, 콘크리트 타설 전에 강선을 사용하여 미리 내력을 부여한 콘크리트를 말한다. 일반적으로 PS 콘크리트 또는 PSC라고 불리운다.The prestressed concrete refers to a concrete to which a strength is given in advance by using a steel wire before pouring the concrete so that the stress due to the external force can be canceled to a predetermined limit. It is commonly referred to as PS concrete or PSC.
상기 포스트텐셔닝 콘크리트는, 콘크리트 경화 후에 사전에 매설한 시스(Sheath)관을 통하여 강선에 인장력을 주는 방식이다.The post-tensioning concrete is a method of applying a tensile force to a steel wire through a sheath pipe previously embedded after concrete hardening.
상기 프리캐스트 콘크리트는 현장에서 콘크리트를 타설하지 않고, 제작공장 또는 제작장에서 제작된 일정한 형태의 콘크리트 부재를 말하며, 통상 PC 콘크리트라 부른다. The precast concrete refers to a concrete member of a certain type manufactured at a manufacturing factory or a manufacturing site without pouring the concrete at the site, and is usually referred to as PC concrete.
상기 프리팩트 콘크리트는, 거푸집 속에 특정한 입도를 갖는 굵은 골재를 미리 채워 넣고 그 간극에 모르타르를 주입하여 만든 콘크리트를 말한다.The prefact concrete refers to a concrete which is prepared by previously filling a coarse aggregate having a specific particle size in a mold and injecting mortar into the gap.
한편, 상기 콘크리트에는 설계시 의도한 강도 및 내구성을 갖도록 하기 위하여 각종 성능개선재를 첨가하기도 한다.On the other hand, various performance improving materials may be added to the concrete in order to have an intended strength and durability in designing.
경량 콘크리트는, 일반 골재 대신에 슬래그(Slag), 퍼얼라이트, 팽창질석, 플라이애쉬(Fly Ash), 석탄회, 팽창혈암, 팽창점토, 발포 폴리스틸렌 등의 경량 자재를 첨가하여 콘크리트를 경량화한 것이다.Lightweight concrete is made of lightweight concrete by adding lightweight materials such as slag, pearlite, expanded vermiculite, fly ash, fly ash, expanded shale, expanded clay and expanded polystyrene instead of ordinary aggregate.
상기 경량 콘크리트는 구조물의 자중을 줄이기 위한 것으로, 강도는 다소 저하되지만 무게가 가벼워 주로 단열재, 방음재 등으로 사용된다.The lightweight concrete is used for reducing the weight of the structure, and its strength is somewhat lowered, but it is mainly used as a heat insulating material, a soundproofing material and the like because it is light in weight.
경량기포 콘크리트는, 발포제에 의해 콘크리트 속에 무수한 기포를 골고루 독립적으로 분산시켜 중량을 가볍게 한 콘크리트를 말한다.Lightweight foamed concrete refers to concrete that is made by losing its weight by distributing numerous bubbles independently in a concrete by means of a foaming agent.
상기 경량기포 콘크리트는, 알루미늄 분말 등 발수성이 강한 기포제를 혼입해서 만들며, 경량이고 단열성, 가공성, 내화성 등의 장점이 있는 반면, 강도가 약하고, 흡수성이 높은 단점이 있다.The lightweight foamed concrete is made by mixing a water-repellent foaming agent such as aluminum powder and has advantages such as light weight, heat insulation, workability, and fire resistance, but has a weak strength and high water absorption.
무세골재 콘크리트는, 잔골재를 넣지 않고 10~20 mm의 굵은 골재와 시멘트, 물만으로 제조되는 콘크리트를 말한다. 내부에 다량의 큰 공극이 형성되어, 압축강도는 떨어지나 단위 시멘트량이 절약되고, 열적 성질, 수축률, 시공성 등이 우수하다는 장점이 있다.Free-aggregate concrete refers to concrete made of 10 ~ 20 mm coarse aggregate, cement, and water without fine aggregate. A large amount of large voids are formed in the inside, and the compressive strength is decreased, but the amount of unit cement is saved, and it has an advantage of excellent thermal properties, shrinkage percentage, and workability.
또한 섬유를 보강한 섬유보강 콘크리트, 콘크리트에 탄소강, 스레인레스 강섬유를 혼합한 강섬유보강 콘크리트, 알칼리성 유리섬유를 첨가한 유리섬유보강 콘크리트, 탄소섬유를 혼합한 탄소섬유 콘크리트, 비닐론을 첨가한 비닐론섬유보강 콘크리트, 폴리플로필렌 섬유보강 콘크리트 등이 있다.In addition, fiber reinforced concrete reinforced with fibers, carbon fiber reinforced concrete mixed with carbon steel, stainless steel fiber, glass fiber reinforced concrete containing alkaline glass fiber, carbon fiber concrete mixed with carbon fiber, vinylon fiber Reinforced concrete, and polypropylene fiber reinforced concrete.
그런데 상기한 콘크리트 첨가제들은 친환경 소재가 아니어서 환경을 오염시킬 수 있다는 문제점이 지적되고 있다. However, it is pointed out that the above-mentioned concrete additives are not eco-friendly materials and can contaminate the environment.
상기 콘크리트 첨가제의 일례로서, 폐타이어 분쇄물 90중량부, 셀룰로오스 5중량부, SBS수지 1중량부, 송진 1중량부, 질석 3 중량부로 구성된 첨가제가 있는데, 이러한 종래의 첨가제는, 주성분인 폐타이어 분쇄물에서 환경 오염 물질이 발생하고, 폐타이어의 분쇄물이 콘크리트의 결합력을 저하시킨다는 문제가 있다. As an example of the concrete additive, there is an additive composed of 90 parts by weight of pulverized waste tire, 5 parts by weight of cellulose, 1 part by weight of SBS resin, 1 part by weight of rosin and 3 parts by weight of vermiculite. There is a problem in that environmental pollutants are generated in the pulverized material and the pulverized material of the waste tire lowers the bonding force of the concrete.
한편, 본 발명과 관련한 선행기술을 조사한 결과 다수의 특허문헌이 검색되었으며, 그 중 일부를 소개하면 다음과 같다.Meanwhile, as a result of investigation of the prior art related to the present invention, a large number of patent documents have been searched and some of them will be described as follows.
특허문헌 1은, "친환경 기능성 조성물과 그 제조방법 및 그로부터 이루어진 건축구조물"에 관한 것으로서, 기능성 신소재 광물을 배합 혼합하여 원적외선 방출 및 항곰팡이성을 구비하도록 하기 위해, 시멘트, 물, 묽은 골재, 잔골재가 배합된 콘크리크 조성물에 있어서, 상기 콘크리트 조성물은 각섬석군에 속하는 광물로 이루어진 기능성 신소재 광물을 포함하는 것을 특징으로 하고 있다. Patent Document 1 discloses an eco-friendly functional composition, a manufacturing method thereof, and a building structure made of the same, wherein the functional new material mineral is mixed and mixed so as to have a far-infrared ray emission and antifungal property, cement, water, Wherein the concrete composition comprises a functional new material mineral composed of minerals belonging to the hornblende group.
특허문헌 2는, "아토마이징 처리된 제강슬래그를 포함하는 폴리머 콘크리트 조성물 및 그 제조방법"에 관한 것으로서, 열경화성 수지를 사용하여 골재를 결합시키는 폴리머 콘크리트 조성물에서, 잔골재 및/또는 굵은 골재를 아토마이징 처리된 실적률 및 밀도가 높고 구형인 제강 슬래그로 대체하여 사용함으로써, 폴리머 콘크리트 조성물의 유동성을 증진시키고, 열경화성 수지량을 줄임과 동시에 단위 용적당 사용량을 높임으로써, 폴리머 콘크리트 제품의 압축강도 및 유동성 등의 공학적 특성을 증진시킴과 동시에 경제성을 향상시키고 있다. Patent Document 2 relates to a "polymer concrete composition including an atomized steel-making slag and a method for producing the same", and relates to a polymer concrete composition for bonding an aggregate by using a thermosetting resin, the fine aggregate and / By improving the fluidity of the polymer concrete composition and by reducing the amount of the thermosetting resin and increasing the amount used per unit capacity, it is possible to improve the compressive strength and fluidity of the polymer concrete product And improve the economic efficiency.
특허문헌 3은, "콘크리트 구조물 방수용 유무기 복합 조성물, 그 제조방법 및 이를 이용한 콘크리트 구조물의 방수공법"에 관한 것으로서, 무기계 결합재 5~50중량%, 성능개선 혼화제 50~95중량%를 포함하고, 상기 무기계 결합제는, 분말도가 4000~5500㎠/g인 미분말 보통 포틀랜드 시멘드 10~70중량%, 분말도가 4500~6000㎠/g인 고로슬래그 미분말 5~30중량%, 실리카질 분말 5~20중량%, 황산 마그네슘 0.01~10중량%, 규조토 0.1~20중량%, 산화티탄 0.1~10중량%, 벤토나이트 0.01~10중량%, 알루민산 소다 0.01~10중량% 및 알칼리실리케이트 0.01~10중량%를 포함하는 콘크리트 구조물 방수용 유무기 복합 조성물에 대해 기재하고 있다.Patent Document 3 relates to an inorganic and organic composite composition for waterproofing a concrete structure, a method for producing the same, and a waterproofing method for a concrete structure using the same, which comprises 5 to 50% by weight of an inorganic binder and 50 to 95% by weight of a performance improving admixture, Wherein the inorganic binder is a fine powder having a powder degree of 4000 to 5500 cm2 / g, 10 to 70% by weight of a normal Portland cement, 5 to 30% by weight of a blast furnace slag powder having a powder degree of 4500 to 6000 cm2 / g, By weight of sodium aluminate, 0.01 to 10% by weight of sodium aluminate, 0.01 to 10% by weight of alkali silicate, 0.01 to 10% by weight of magnesium sulfate, 0.1 to 20% by weight of diatomaceous earth, 0.1 to 10% Based composite composition for waterproofing a concrete structure.
본 발명은 상기한 종래 기술의 문제점을 해결하기 위한 것으로서, 콘크리트의 첨가제 주성분으로 친환경 소재인 스트로 파이버, 포졸란 및 마이크로 파우더를 사용하여, 콘크리트의 결합력을 증가시키고 환경 오염을 방지하며 다양한 용도로 사용할 수 있도록 하는 데 그 목적이 있다.The present invention has been made to solve the problems of the prior art described above, and it is an object of the present invention to provide a method for increasing the bonding force of concrete, preventing environmental pollution, and being used for various purposes by using an environmentally friendly material such as a straw fiber, a pozzolan and a micro powder as main components of concrete It has its purpose.
본 발명의 다른 목적은, 콘크리트의 방수성, 투수성, 내구성을 향상시키고, 저소음을 실현할 수 있으며, 강성, 연성, 방수성 및 수화열 기능을 조절하여 크랙을 방지하고 결합력을 증대시키며, 재활용이 가능하도록 하는 데 있다.Another object of the present invention is to provide a concrete structure which can improve the waterproofness, water permeability and durability of concrete, realize low noise, and can prevent cracks, increase bonding force, and enable recycling by controlling rigidity, ductility, There is.
상기 목적을 달성하기 위하여 본 발명은, 시멘트, 물, 모래, 자갈이 혼합된 콘크리트 조성물에 있어서, 스트로 파이버(Straw Fiber) 30~45중량부, 구마롱수지 2~3중량부, 포졸란(Pozzolan) 45~60량부, 건축용 분말 바인더 5~10중량부를 포함하는 첨가제를 투입하여 콘크리트를 제조하는 것을 특징으로 한다.In order to attain the above object, the present invention provides a concrete composition comprising cement, water, sand and gravel, comprising 30 to 45 parts by weight of a straw fiber, 2 to 3 parts by weight of a Kumaron resin, 45 to 60 parts by weight, and 5 to 10 parts by weight of powder binder for architectural purposes.
또한, 상기 건축용 분말 바인더는, 주성분이 아크릴레이트 코폴리머인 파우더로서 평균 입자크기가 100㎛인 것을 특징으로 한다.In addition, the constructional powder binder is a powder mainly composed of an acrylate copolymer and has an average particle size of 100 mu m.
또한, 상기 첨가제에 TPE(Thermo Plastic Elastomer), 셀룰로오스, 폴리우레탄 중 하나 이상이 2~3 중량부 더 포함되는 것을 특징으로 한다.The additive may further include 2 to 3 parts by weight of at least one of TPE (Thermo Plastic Elastomer), cellulose and polyurethane.
또한, 상기 첨가제에, 기포를 제거하기 위한 소포제가 0.1~0.2중량부, 점도를 조절하기 위한 증점제가 0.2~0.4중량부 더 포함되는 것을 특징으로 한다.The additive may further contain 0.1 to 0.2 parts by weight of an antifoaming agent for removing air bubbles and 0.2 to 0.4 parts by weight of a thickening agent for controlling viscosity.
또한, 상기 첨가제는 전체 콘크리트에 대하여 중량비로 0.5~1.0% 첨가되는 것을 특징으로 한다.The additive is added in an amount of 0.5 to 1.0% by weight based on the total weight of the concrete.
본 발명에 의하면, 친환경 소재인 스트로 파이버와 포졸란을 주성분으로 하는 첨가제가 콘크리트에 첨가되므로, 환경 오염을 방지할 수 있고, 콘크리트의 결합력을 향상시킬 수 있으며, 다양한 용도에 사용할 수 있는 효과가 있다.According to the present invention, the environmentally pollution can be prevented, the bonding force of the concrete can be improved, and the effect can be used for various applications because the additive containing the pomzolan as the eco-friendly material is added to the concrete.
또한, 콘크리트에 특수 첨가제를 첨가하여 방수성, 투수성, 내구성을 향상시킬 수 있고 소음을 줄일 수 있으며, 유해성분을 줄여 피부염 알레르기나 아토피 발생을 예방할 수 있는 효과가 있다.Also, by adding a special additive to concrete, it is possible to improve waterproofness, permeability, durability, reduce noise, and reduce harmful components, thereby preventing dermatitis allergy and atopy.
이하, 본 발명에 따른 다기능 고성능 콘크리트 제조방법의 바람직한 실시예를 설명한다. Hereinafter, a preferred embodiment of a multifunctional high performance concrete manufacturing method according to the present invention will be described.
본 발명에 따른 친환경 특수첨가제를 이용한 다기능 고성능 콘크리트는, 시멘트, 물, 모래, 자갈이 혼합된 콘크리트 조성물에 있어서, 스트로 파이버 30~45중량부, 구마롱수지 2~3중량부, 포졸란(Pozzolan) 45~60중량부, 건축용 분말 바인더 5~10중량부를 포함하는 첨가제가 첨가된다.The multifunctional high performance concrete using the environmentally friendly special additive according to the present invention is a concrete composition in which cement, water, sand and gravel are mixed. The concrete composition comprises 30 to 45 parts by weight of a straw fiber, 2 to 3 parts by weight of a Kumaron resin, 45 to 60 parts by weight, and 5 to 10 parts by weight of a powder binder for construction are added.
상기 스트로 파이버(Straw Fiber)는, 짚을 건조 및 분쇄하여 제조한 천연 특수섬유로서, 분말 형태로 이루어진 것을 사용한다. The straw fiber is a natural special fiber prepared by drying and crushing straw, and is made of powder.
상기 스트로 파이버는, 콘크리트의 결합력을 강화시켜, 크랙(Crack)의 발생이나 소성 변형을 방지하고 탈취 효과를 증대시킨다. The straw fiber reinforces the bonding force of concrete to prevent generation of cracks and plastic deformation, and increases the deodorizing effect.
또한 상기 스트로 파이버는 친환경 소재이므로 환경 오염을 방지할 수가 있다.Further, since the straw fiber is an eco-friendly material, environmental pollution can be prevented.
상기 스트로 파이버를 30중량부 미만으로 첨가하면 크랙 방지 효과가 작고, 45중량부 이상을 첨가할 경우 가격 대비 효과의 상승이 미미하다.If the stroboscopic fiber is added in an amount of less than 30 parts by weight, the effect of preventing cracks is small.
따라서 상기 스트로 파이버는, 첨가제 전체 조성물에 대하여 30~45중량부 첨가하는 것이 바람직하다. Therefore, it is preferable to add 30 to 45 parts by weight of the above-mentioned strobilized fiber to the total composition of the additive.
상기 구마롱수지는 인조 송진으로 이루어진 점착제로서, 접착성이 뛰어나 콘크리트의 결합력을 증대시킨다. The above-mentioned Kumarong resin is a pressure-sensitive adhesive made of artificial rosin, which is excellent in adhesion and increases the bonding force of concrete.
또한 상기 구마롱수지는, 내슬립성 재질로서 수막 현상으로 인한 미끄럼 저항성이 우수한 특징이 있다. Further, the above-mentioned Kumarong resin is characterized by being excellent in slip resistance due to water film development as an inner slip resistant material.
상기 구마롱수지를 2중량부 미만으로 첨가하면 접착성이 약하고, 3중량부를 초과하여 첨가할 경우 가격 대비 효과의 상승이 크지 않다.When the Kumanol resin is added in an amount of less than 2 parts by weight, the adhesiveness is weak. When the Kuman resin is added in an amount of more than 3 parts by weight, the increase in cost effectiveness is not significant.
따라서 상기 구마롱수지는, 첨가제 전체 조성물에 대하여 2~3중량부 첨가하는 것이 바람직하다. Therefore, it is preferable to add 2 to 3 parts by weight of the gumarone resin to the total composition of the additive.
포졸란(Pozzolan)은 규조토(Diatomite)와 같은 천연 광물성 소재로서, 음이온 방출과 탈취 및 항균 작용에 의해, 콘크리트의 독성을 배출하는 역할을 하여 인체의 피부질환 예방에 도움을 준다.Pozzolan is a natural mineral material such as diatomite. It helps to prevent skin diseases by discharging the toxicity of concrete by anion release, deodorization and antibacterial action.
천연 포졸란의 규조토는, 바다 또는 호수 밑바닥에 침적된 연질의 암석 또는 흙덩이로서, 약 95％ 이상이 실리카 성분으로 구성되어 다량의 원적외선을 방사하고, 미세한 공극들을 갖추고 있다. Natural pozzolanic diatomaceous earth is a soft rock or clay deposited on the bottom of a sea or a lake, and more than 95% of it consists of a silica component and emits a large amount of far infrared rays, and has fine pores.
상기 포졸란이 45중량부 미만이면 정화 효과가 낮고, 60중량부를 초과할 경우에는 결합력이 저하된다.When the pozzolan is less than 45 parts by weight, the purging effect is low. When the pozzolan exceeds 60 parts by weight, the binding force is decreased.
따라서 상기 포졸란은, 첨가제 전체 조성물에 대하여 45~60중량부 첨가하는 것이 바람직하다. Therefore, the pozzolan is preferably added in an amount of 45 to 60 parts by weight based on the total composition of the additive.
건축용 분말 바인더는, 콘크리트의 방수 성능을 향상시키기 위한 것으로서 주성분이 아크릴레이트 코폴리머(Acrylate Copolymer)인 파우더를 사용하는 것이 바람직하다.The powder binder for architectural use is preferably used to improve the waterproof performance of concrete, and a powder whose main component is acrylate copolymer is preferably used.
또한 상기 아크릴레이트 코폴리머는 평균 입자크기가 100㎛인 것을 사용하는 것이 바람직한데, 이는 평균 입자크기가 100㎛ 이하인 경우 작업성이 저하되고, 100㎛ 이상인 경우 결합성이 저하되기 때문이다.The acrylate copolymer preferably has an average particle size of 100 mu m, because the workability is lowered when the average particle size is 100 mu m or less, and the bonding property is lowered when the average particle size is 100 mu m or more.
숯 가루는 야자 숯을 사용하는 것이 바람직하며, 정화작용과 제습 및 탈취 효과가 있다.The charcoal powder preferably uses palm char, and has a purifying action, a dehumidifying effect and a deodorizing effect.
상기 숯 가루가 3중량부 미만이면 그 효과가 미약하고, 7중량부를 초과하더라도 효과의 상승폭이 미미하다.If the amount of the charcoal powder is less than 3 parts by weight, the effect is insignificant. If the amount is more than 7 parts by weight, the increase in the effect is insignificant.
따라서 상기 숯 가루는, 첨가제 전체 조성물에 대하여 3~7중량부 첨가하는 것이 바람직하다. Therefore, the charcoal powder is preferably added in an amount of 3 to 7 parts by weight based on the total composition of the additive.
NR(Natural Rubber)은 천연 고무로서, 일반적인 첨가제에 사용되는 폐타이어에 비해 강한 진동 예방 및 소음 방지 효과가 있다.NR (Natural Rubber) is a natural rubber, which has strong vibration prevention and noise prevention effect compared to waste tires used in general additives.
또한 상기 첨가제는, TPE(Thermo Plastic Elastomer), 셀룰로오스, 폴리우레탄 중 하나 이상을 2~3중량부 더 포함할 수 있다.The additive may further include 2 to 3 parts by weight of at least one of TPE (Thermo Plastic Elastomer), cellulose, and polyurethane.
상기 TPE는 고무와 플라스틱의 성질을 모두 가지고 있는 천연 고무소재로서, 고무보다 단단하고 플라스틱보다 부드러운 특징이 있다.The TPE is a natural rubber material having both properties of rubber and plastic. It is harder than rubber and softer than plastic.
이에 따라 콘크리트의 결합력을 강화하고 소음을 감소시키는 효과가 있다.As a result, it has the effect of enhancing the bonding force of concrete and reducing noise.
상기 셀룰로오스는 화학 인조 섬유의 일종으로서 콘크리트의 크랙을 방지하고, 폴리우레탄(TPU)은 합성 섬유의 일종으로 콘크리트의 결합력을 증대시키는 효과가 있다.The cellulose is a type of synthetic artificial fiber that prevents cracks in concrete, and polyurethane (TPU) is a kind of synthetic fiber, which has the effect of increasing the bonding force of concrete.
또한 상기 첨가제에, 기포를 제거하기 위한 소포제가 0.1~0.2중량부, 점도를 조절하기 위한 증점제가 0.2~0.4중량부 더 포함되는 것이 바람직하다.The additive preferably further contains 0.1 to 0.2 parts by weight of an antifoaming agent for removing air bubbles and 0.2 to 0.4 parts by weight of a thickening agent for controlling viscosity.
또한, 상기 첨가제는 콘크리트에 대하여 중량비로 0.5~1.0% 첨가되는 것이 바람직하다. 예를 들면, 콘크리트 1톤에 대하여 상기 첨가제를 5~10㎏ 첨가하는 것이 바람직하다. The additive is preferably added in an amount of 0.5 to 1.0% by weight based on the concrete. For example, it is preferable to add 5 to 10 kg of the additive to 1 ton of concrete.
상기 첨가제가 0.5중량부 미만으로 첨가되는 경우 그 효과가 높지 않고, 1중량부를 초과하여 첨가하더라도 효과의 상승폭이 미미하다.When the additive is added in an amount of less than 0.5 parts by weight, the effect of the additive is not high, and even if the additive is added in an amount exceeding 1 part by weight, the increase in the effect is insignificant.
따라서 상기 첨가제는, 전체 콘크리트에 대하여 0.5~1.0중량부 첨가하는 것이 바람직하다. Therefore, the additive is preferably added in an amount of 0.5 to 1.0 part by weight based on the total weight of the concrete.
상기와 같이 구성된 본 발명의 친환경 콘크리트 조성물을 사용하여 각종 건축 구조물을 시공하게 되면, 첨가제로서 폐타이어를 사용할 때에 비하여 콘크리트의 결합력을 향상시킬 수가 있고, 환경 오염을 방지할 수 있으며, 다양한 용도에 사용할 수가 있다.When various construction structures are constructed using the environmentally-friendly concrete composition of the present invention having the above-described structure, it is possible to improve the bonding force of concrete compared with the case of using a waste tire as an additive, to prevent environmental pollution, There is a number.
이상으로 본 발명의 기술적 사상을 예시하기 위한 실시예를 설명하였지만, 본 발명은 이와 같이 설명된 그대로의 구성 및 작용에만 국한되는 것이 아니며, 명세서에 기재된 기술적 사상의 범주를 일탈함이 없이 본 발명에 대해 다수의 변경 및 수정이 가능함을 통상의 기술자들은 잘 이해할 수 있을 것이다. 따라서 그러한 모든 적절한 변경 및 수정과 균등물들도 본 발명의 범위에 속하는 것으로 간주되어야 할 것이다. While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those of ordinary skill in the art that numerous changes and modifications may be made. And all such modifications and changes as fall within the scope of the present invention are therefore to be regarded as being within the scope of the present invention.
Claims (5)
짚을 건조 및 분쇄하여 제조한 분말 형태의 스트로 파이버 30~45중량부, 인조 송진으로 이루어진 점착제인 구마롱수지 2~3중량부, 천연 광물성 소재인 포졸란 45~60중량부, 건축용 분말 바인더 5~10중량부를 포함하는 첨가제가 첨가되고,
상기 건축용 분말 바인더는, 주성분이 아크릴레이트 코폴리머인 파우더로서 평균 입자크기가 100㎛이고,
상기 첨가제에, 기포를 제거하기 위한 소포제가 0.1~0.2중량부, 점도를 조절하기 위한 증점제가 0.2~0.4중량부 더 포함되며,
상기 첨가제는, 콘크리트 전체 조성물에 대하여 중량비로 0.5~1.0%가 첨가되는 것을 특징으로 하는 친환경 특수첨가제를 이용한 다기능 고성능 콘크리트 제조방법.1. A method of manufacturing a concrete mixture of cement, water, sand and gravel,
30 to 45 parts by weight of a powdery straw fiber prepared by drying and pulverizing straw, 2 to 3 parts by weight of a gumarone resin as a pressure-sensitive adhesive made of artificial rosin, 45 to 60 parts by weight of pozzolan as a natural mineral material, 5 to 10 parts by weight of a powder binder By weight of an additive is added,
The constructional powder binder is a powder mainly composed of an acrylate copolymer and has an average particle size of 100 mu m,
The additives include 0.1 to 0.2 parts by weight of an antifoaming agent for removing air bubbles and 0.2 to 0.4 parts by weight of a thickener for controlling viscosity,
Wherein the additive is added in an amount of 0.5 to 1.0% by weight based on the total weight of the concrete composition.
A method for constructing a multifunctional high performance concrete using an eco-friendly special additive, wherein the concrete is produced by using the concrete produced by the concrete manufacturing method according to claim 1.
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| CN111995320A (en) * | 2020-08-14 | 2020-11-27 | 北京泽华路桥工程有限公司 | Impervious concrete and preparation method thereof |
| CN112341056A (en) * | 2020-11-16 | 2021-02-09 | 盐城工学院 | Straw reinforced cement soil and application thereof |
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| KR101029912B1 (en) * | 2010-03-16 | 2011-04-18 | 황익현 | Modifier for manufacturing low or mid temperatured asphalt concrete and asphalt concrete with low carbon dioxide emission using the modifier |
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| CN111995320B (en) * | 2020-08-14 | 2022-05-10 | 北京泽华路桥工程有限公司 | Impervious concrete and preparation method thereof |
| CN112341056A (en) * | 2020-11-16 | 2021-02-09 | 盐城工学院 | Straw reinforced cement soil and application thereof |
| CN113087434A (en) * | 2021-03-18 | 2021-07-09 | 西交利物浦大学 | Straw and polymer composite fiber reinforced material for concrete and preparation method thereof |
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