KR101110235B1 - Cement nothing addition concrete water soluble bonding agent and manufacturing method of concrete - Google Patents
Cement nothing addition concrete water soluble bonding agent and manufacturing method of concrete Download PDFInfo
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- KR101110235B1 KR101110235B1 KR20090047946A KR20090047946A KR101110235B1 KR 101110235 B1 KR101110235 B1 KR 101110235B1 KR 20090047946 A KR20090047946 A KR 20090047946A KR 20090047946 A KR20090047946 A KR 20090047946A KR 101110235 B1 KR101110235 B1 KR 101110235B1
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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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/06—Acrylates
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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
- C04B14/06—Quartz; Sand
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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
- C04B14/36—Inorganic materials not provided for in groups C04B14/022 and C04B14/04 - C04B14/34
- C04B14/365—Gypsum
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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
- C04B24/34—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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0045—Polymers chosen for their physico-chemical characteristics
- C04B2103/0053—Water-soluble polymers
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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
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/65—Water proofers or repellants
-
- 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
- C04B2111/00017—Aspects relating to the protection of the environment
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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
Abstract
본 발명은 시멘트 무첨가 콘크리트용 수용성 결합재에 관한 것으로써, 더욱 상세하게는 수용성 바인더 100중량부에 대하여 수용성 송진 70~90중량부, 알칼리제 60~80중량부, 응집제 60~80중량부 및 발수제 60~80중량부가 혼합된 상태의 혼합물로 이루어진 것을 특징으로 하는 시멘트 무첨가 콘크리트용 수용성 결합재에 관한 것이다.The present invention relates to a water-soluble binder for cement-free concrete, more specifically, 70 to 90 parts by weight of water-soluble rosin, 60 to 80 parts by weight of alkali agent, 60 to 80 parts by weight of flocculant, and 60 to water repellent with respect to 100 parts by weight of water-soluble binder. It relates to a water-soluble binder for cement-free concrete, characterized in that consisting of a mixture of 80 parts by weight.
이와 같이 구성된 본 발명은 상기 수용성 바인더와 수용성 송진, 알칼리제, 응집제 및 발수제를 혼합된 상태의 혼합물로 이루어짐으로써, 시멘트와 물을 사용하지 않더라도 작업성, 시공성 및 내구성이 향상될 뿐만 아니라 강도, 건조수축 및 균열의 발생이 현저하게 감소됨은 물론, 환경오염 CO2 발생과 석회석 채취로 인한 환경파괴 및 천연 자원고갈을 미연에 방지할 수 있는 효과가 있다.The present invention configured as described above is made of a mixture of the water-soluble binder and the water-soluble rosin, alkali agent, flocculant and water repellent, so as to improve workability, workability and durability without using cement and water, as well as strength and dry shrinkage. And the occurrence of cracks is significantly reduced, as well as environmental pollution and natural resources depletion due to CO 2 generation and limestone harvesting can be prevented in advance.
수용성 바인더, 수용성 송진, 알칼리제, 응집제, 발수제 Water Soluble Binder, Water Soluble Rosin, Alkali, Flocculant, Water Repellent
Description
본 발명은 시멘트와 물을 사용하지 않더라도 작업성, 시공성 및 내구성이 향상될 뿐만 아니라 강도, 건조수축 및 균열의 발생이 현저하게 감소됨은 물론, 환경오염 CO2 발생과 석회석 채취로 인한 환경파괴 및 천연 자원고갈을 미연에 방지할 수 있는 시멘트 무첨가 콘크리트용 수용성 결합재에 관한 것이다.The present invention not only improves workability, workability and durability even without using cement and water, but also significantly reduces the occurrence of strength, dry shrinkage and cracking, as well as environmental pollution and natural destruction due to CO 2 generation and limestone extraction. It relates to a water-soluble binder for cement-free concrete that can prevent resource depletion in advance.
일반적으로, 시멘트란 토목, 건축용의 무기질(無機質)의 결합경화제(結合硬化劑)를 의미한다. In general, cement refers to a binder hardening agent of inorganic materials for civil engineering and construction.
그 중에서도 오늘날 흔히 시멘트로 불리는 것은 석회, 실리카, 알루미나 및 산화철 등이 주성분인 포틀랜드 시멘트이다. Among them, what is commonly referred to as cement today is Portland cement, which is mainly composed of lime, silica, alumina and iron oxide.
상기 포틀랜드 시멘트는 석회, 실리카, 알루미나 및 산화철 등을 함유한 원료를 적당한 비율로 충분히 혼합하여, 그 일부가 용융?소성(燒成)된 클링 커(clinker)에 적당량의 석고를 가하여 분말로 만든 것이다. The Portland cement is made of powder by sufficiently mixing a raw material containing lime, silica, alumina, iron oxide, etc. in an appropriate ratio, and adding a portion of gypsum to a molten and calcined clinker. .
시멘트는 주요 건설자재로써, 콘크리트 또는 시멘트를 주원료로 한 2차 제품용으로 사용한다. Cement is the main construction material, and it is used for secondary products mainly made of concrete or cement.
슬레이트, 기와, 기포(氣泡), 콘크리트, 전주(電柱) 및 관(管) 등 생활주변에서 시멘트 제품은 흔히 볼 수 있다.Cement products are common in everyday life, including slate, roof tiles, foam, concrete, poles and pipes.
그러나, 상기 시멘트를 제조하는 과정 중에 발생하는 CO2로 인해 환경이 파괴될 뿐만 아니라 시멘트의 주성분인 석회석의 채취로 인해 천연 자원이 고갈되는 문제점이 있다.However, there is a problem in that natural resources are depleted due to the extraction of limestone, which is a main component of cement, as well as environmental damage due to CO 2 generated during the manufacturing process of the cement.
또한, 시멘트를 사용하는 제품의 경우 내구성이 떨어질 뿐만 아니라 건조수축 및 균열 등의 구조물의 결함 등이 발생하게 되는 문제점이 있다.In addition, in the case of the product using the cement, there is a problem that not only the durability is degraded, but also defects in structures such as dry shrinkage and cracking occur.
따라서, 본 발명자는 시멘트와 물을 사용하지 않더라도 내구성이 향상될 뿐만 아니라 건조수축 및 균열의 발생이 감소됨은 물론, 환경파괴 및 천연 자원고갈을 미연에 방지할 수 있는 시멘트 무첨가 콘크리트용 수용성 결합재를 제안하고자 한다.Therefore, the present inventor proposes a water-soluble binder for cement-free concrete that can not only improve the durability, but also reduce the occurrence of dry shrinkage and cracking, and prevent environmental destruction and depletion of natural resources without using cement and water. I would like to.
본 발명은 상술한 문제점을 해결하기 위하여 창출된 것으로써, 시멘트와 물을 사용하지 않더라도 작업성, 시공성 및 내구성이 향상될 뿐만 아니라 강도, 건조수축 및 균열의 발생이 현저하게 감소됨은 물론, 환경오염 CO2 발생과 석회석 채취로 인한 환경파괴 및 천연 자원고갈을 미연에 방지할 수 있는 시멘트 무첨가 콘크리트용 수용성 결합재를 제공하는 것을 그 목적으로 한다.The present invention has been created to solve the above problems, not only improve workability, workability and durability without the use of cement and water, but also significantly reduce the occurrence of strength, dry shrinkage and cracking, environmental pollution It is an object of the present invention to provide a water-soluble binder for cement-free concrete that can prevent environmental damage and natural resource depletion due to CO 2 generation and limestone extraction.
상기와 같은 목적을 달성하기 위한 본 발명은 수용성 바인더 100중량부에 대하여 수용성 송진 70~90중량부, 알칼리제 60~80중량부, 응집제 60~80중량부 및 발수제 60~80중량부가 혼합된 상태의 혼합물로 이루어진 것을 특징으로 하는 시멘트 무첨가 콘크리트용 수용성 결합재를 제공한다.The present invention for achieving the above object is in the state of mixing 70 to 90 parts by weight of water-soluble rosin, 60 to 80 parts by weight of alkali agent, 60 to 80 parts by weight of flocculant and 60 to 80 parts by weight of water repellent with respect to 100 parts by weight of the water-soluble binder It provides a water-soluble binder for cement-free concrete, characterized in that consisting of a mixture.
여기서, 상기 혼합물 100중량부에 대하여 목초수액 60~80중량부가 더 혼합되어 이루어진 것이 바람직하다.Here, it is preferred that 60 to 80 parts by weight of wood sap is further mixed with respect to 100 parts by weight of the mixture.
그리고, 수용성 결합재에 충진재 및 골재를 혼합하여 콘크리트를 제조하는 것을 특징으로 하는 콘크리트의 제조방법을 제공한다.And, it provides a method for producing concrete, characterized in that the concrete is prepared by mixing the filler and aggregate in the water-soluble binder.
여기서, 상기 충진재로서, 천연무수석고를 사용하는 것이 바람직하다.Here, as the filler, it is preferable to use natural anhydrous gypsum.
나아가, 상기 충진재로서, 고로슬래그 분말 40~65중량%, 규사 10~15중량%, 플라이애쉬 10~15중량% 및 천연무수석고 15~20중량%를 혼합하여 사용하는 것이 바람직하다.Furthermore, as the filler, it is preferable to use 40 to 65% by weight of blast furnace slag powder, 10 to 15% by weight of silica sand, 10 to 15% by weight of fly ash, and 15 to 20% by weight of natural anhydrite gypsum.
이하, 본 발명의 시멘트 무첨가 콘크리트용 수용성 결합재 및 콘크리트의 제조방법에 대해 상세하게 설명한다.Hereinafter, the water-soluble binder for cement-free concrete of the present invention and a method for producing concrete will be described in detail.
본 발명의 시멘트 무첨가 콘크리트용 수용성 결합재는 결합력 및 강도를 향상시키기 위한 수용성 아크릴제 바인더 등의 수용성 바인더 100중량부에 대하여 수용성 송진 70~90중량부, 수산화 나트륨 또는 수산화 칼슘 등의 알칼리제 60~80중량부, EVA 또는 HPMC 등의 응집제 60~80중량부 및 발수제 60~80중량부가 혼합된 상태의 혼합물로 이루어진다.The water-soluble binder for cement-free concrete of the present invention is 70 to 90 parts by weight of water-soluble rosin, alkali agent such as sodium hydroxide or calcium hydroxide, based on 100 parts by weight of water-soluble binder such as a water-soluble acrylic binder for improving the bonding strength and strength. Part, 60 to 80 parts by weight of a flocculant such as EVA or HPMC and 60 to 80 parts by weight of a water repellent.
이때, 상기 수용성 송진은 상기 수용성 바인더, 알칼리제, 응집제 및 발수제가 혼합된 상태의 혼합물의 응집성 및 경화성을 향상시키기 위해 상기 수용성 바인더 100중량부에 대하여 70~90중량부가 혼합되는 것이 좋다.At this time, the water-soluble rosin is preferably mixed 70 to 90 parts by weight with respect to 100 parts by weight of the water-soluble binder to improve the cohesiveness and curability of the mixture of the water-soluble binder, alkali agent, flocculant and water repellent.
그리고, 상기 알칼리제는 상기 혼합물의 결합력을 향상시키기 위해 상기 수용성 바인더 100중량부에 대하여 60~80중량부가 혼합되는 것이 좋다.In addition, the alkali agent is preferably mixed 60 to 80 parts by weight with respect to 100 parts by weight of the water-soluble binder in order to improve the bonding strength of the mixture.
또한, 상기 응집제는 상기 혼합물의 점성 및 슬럼프가 향상됨으로써, 작업성을 향상시킬 수 있도록 하기 위해 상기 수용성 바인더 100중량부에 대하여 60~80중량부가 혼합되는 것이 좋다.In addition, the flocculant is preferably 60 to 80 parts by weight with respect to 100 parts by weight of the water-soluble binder in order to improve the workability by improving the viscosity and slump of the mixture.
아울러, 상기 발수제는 상기 혼합물의 방수성을 향상시키기 위해 상기 수용성 바인더 100중량부에 대하여 60~80중량부가 혼합되는 것이 좋다.In addition, the water-repellent agent is preferably mixed 60 to 80 parts by weight based on 100 parts by weight of the water-soluble binder to improve the water resistance of the mixture.
여기서, 상기 혼합물 100중량부에 대하여 목초수액 60~80중량부가 더 혼합되어 이루어지는 것이 좋다.Herein, 60 to 80 parts by weight of wood sap solution may be further mixed with respect to 100 parts by weight of the mixture.
상기 목초수액이 60중량부 미만 혼합될 경우 상기 혼합물의 강도가 저하될 뿐만 아니라 상기 혼합물의 항균 등의 기능성이 저하되게 되고, 상기 목초수액이 80중량부 초과 혼합될 경우 상기 혼합물을 제조하기 위한 제조비용이 상승하게 되는 문제가 있다.When the wood sap is mixed less than 60 parts by weight, not only the strength of the mixture is lowered, but also the functionality such as antibacterial of the mixture is lowered, if the wood sap is mixed more than 80 parts by weight of the preparation for producing the mixture There is a problem of rising costs.
본 발명의 콘크리트의 제조방법에 대해 상세하게 설명한다.The manufacturing method of the concrete of this invention is demonstrated in detail.
보다 구체적으로, 콘크리트의 작업성, 시공성 및 내구성이 보다 더욱 향상될 뿐만 아니라 강도, 건조수축 및 균열의 발생을 보다 현저하게 감소시킬 수 있도록 하기 위해 수용성 결합재에 충진재 및 골재를 혼합하여 상기 콘크리트를 제조하는 것이 좋다.More specifically, the concrete is manufactured by mixing fillers and aggregates with water-soluble binders in order to not only improve the workability, workability and durability of concrete but also to significantly reduce the occurrence of strength, dry shrinkage and cracking. Good to do.
여기서, 상기 충진재로서, 상기 알칼리제와 화학반응을 하기 때문에 상기 콘크리트의 경화를 촉진될 뿐만 아니라 강도가 보다 향상되도록 하기 위해 천연무수석고를 사용하는 것이 좋다.Here, as the filler, it is preferable to use natural anhydrous gypsum in order not only to accelerate the hardening of the concrete but also to improve the strength because the chemical reaction with the alkali agent.
나아가, 상기 충진재로서, 상기 콘크리트의 강도가 보다 더욱 향상될 수 있도록 하기 위해 고로슬래그 분말 40~65중량%, 규사 10~15중량%, 플라이애쉬 10~15중량% 및 천연무수석고 15~20중량%를 혼합하여 사용하는 것이 좋다.Further, as the filler, in order to further improve the strength of the concrete 40 to 65% by weight of blast furnace slag, 10 to 15% by weight of silica sand, 10 to 15% by weight of fly ash and 15 to 20% by weight of natural anhydrite gypsum It is recommended to use a mixture of%.
특히, 상기 고로슬래그 분말을 40중량% 미만 혼합하여 사용할 경우 상기 알칼리제와의 화학반응이 미약해지기 때문에 상기 고로슬래그 분말의 산성피막을 초기에 강하게 파괴할 수 없어 초기에 강도발현이 미약하게 된다.In particular, when the blast furnace slag powder is used in an amount less than 40% by weight, the chemical reaction with the alkali agent is weak, so that the acidic coating of the blast furnace slag powder cannot be strongly destroyed at first, and thus the strength is weakly initially expressed.
이와 달리 상기 고로슬래그 분말을 65중량% 초과 혼합하여 사용할 경우 상기 알칼리제와의 화학반응이 격렬해지기 때문에 경화속도가 너무 빨라 본 발명의 콘크리트의 미세공극까지 침투하기 어려운 문제가 있다.On the contrary, when the blast furnace slag powder is mixed in an amount of more than 65% by weight, the chemical reaction with the alkali agent is intense, so that the curing rate is too fast, so that the fine pores of the concrete of the present invention are difficult to penetrate.
상기에서 살펴본 바와 같이 본 발명은 상기 수용성 바인더와 수용성 송진, 알칼리제, 응집제 및 발수제를 혼합함으로써, 작업성, 시공성 및 내구성이 향상될 뿐만 아니라 강도, 건조수축 및 균열의 발생이 현저하게 감소됨은 물론, 환경오염 CO2 발생과 석회석 채취로 인한 환경파괴 및 천연 자원고갈을 미연에 방지할 수 있는 효과가 있다.As described above, the present invention not only improves workability, workability and durability by mixing the water-soluble binder and the water-soluble rosin, alkali agent, flocculant and water-repellent agent, but also significantly reduces the occurrence of strength, dry shrinkage and cracking, Environmental pollution It is effective to prevent environmental destruction and natural resource depletion due to CO 2 generation and limestone extraction.
본 발명은 수용성 바인더와 수용성 송진, 알칼리제, 응집제 및 발수제를 혼합된 상태의 혼합물로 이루어짐으로써, 시멘트와 물을 사용하지 않더라도 작업성, 시공성 및 내구성이 향상될 뿐만 아니라 강도, 건조수축 및 균열의 발생이 현저하 게 감소됨은 물론, 환경오염 CO2 발생과 석회석 채취로 인한 환경파괴 및 천연 자원고갈을 미연에 방지할 수 있는 효과가 있다.The present invention consists of a mixture of a water-soluble binder and a water-soluble rosin, an alkali, a flocculant, and a water repellent, so that workability, workability and durability are not only improved, but also strength, dry shrinkage and cracking are generated without using cement and water. In addition to the remarkable reduction, it is possible to prevent environmental pollution and natural resource depletion due to the generation of environmental pollutant CO 2 and limestone extraction.
그리고, 수용성 바인더, 수용성 송진, 알칼리제, 응집제 및 발수제가 혼합된 혼합물 100중량부에 대하여 목초수액 60~80중량부가 더 혼합되기 때문에 항균 등의 기능성을 보다 향상시킬 수 있는 효과가 있다.In addition, since 60 to 80 parts by weight of woody sap is further mixed with respect to 100 parts by weight of the mixture in which the water-soluble binder, the water-soluble rosin, the alkaline agent, the flocculant, and the water-repellent agent are mixed, there is an effect of further improving the functionality of antibacterial and the like.
또한, 수용성 결합재에 충진재 및 골재를 혼합하여 콘크리트를 제조하기 때문에 상기 콘크리트의 작업성, 시공성 및 내구성이 보다 더욱 향상될 뿐만 아니라 강도, 건조수축 및 균열의 발생을 보다 현저하게 감소시킬 수 있는 효과가 있다.In addition, since the concrete is prepared by mixing the filler and aggregate with the water-soluble binder, the workability, workability and durability of the concrete are not only improved more, but also the effect of significantly reducing the occurrence of strength, dry shrinkage and cracking have.
아울러, 상기 충진재로서, 상기 알칼리제와 화학반응을 하는 천연무수석고를 사용하기 때문에 콘크리트의 경화가 촉진된 뿐만 아니라 강도가 보다 향상되는 효과가 있다.In addition, as the filler, since the natural anhydrous gypsum using a chemical reaction with the alkali agent is used, not only the hardening of the concrete is promoted but also the strength is more improved.
나아가, 상기 충진재로서, 고로슬래그 분말, 규사, 플라이애쉬 및 천연무수석고를 혼합하여 사용하기 때문에 콘크리트의 강도가 보다 더욱 향상되는 효과가 있다.Furthermore, since the filler is used by mixing blast furnace slag powder, silica sand, fly ash and natural anhydrous gypsum, the strength of the concrete is further improved.
이하, 본 발명의 시멘트 무첨가 콘크리트용 수용성 결합재 및 콘크리트의 제조방법을 실시예를 들어 더욱 상세하게 설명하면 다음과 같고, 물론 본 발명의 권리범위는 하기의 실시예에 한정되는 것은 아니며, 본 발명의 기술적 요지를 벗어나 지 않는 범위 내에서 당해 기술분야의 통상적인 지식을 가진자에 의하여 다양하게 변형 실시될 수 있다.Hereinafter, the water-soluble binder for cement-free concrete of the present invention and a method for producing concrete will be described in more detail with reference to the following examples. Of course, the scope of the present invention is not limited to the following examples. Various modifications can be made by those skilled in the art without departing from the technical gist.
[수용성 결합재의 제조][Production of Water-Soluble Binder]
수용성 아크릴제 바인더 100중량부에 대하여 수용성 송진 70~90중량부, 수산화 나트륨 또는 수산화 칼슘 60~80중량부, EVA 또는 HPMC 60~80중량부 및 발수제 60~80중량부가 혼합된 상태의 수용성 결합재를 제조하였다.A water-soluble binder containing 70 to 90 parts by weight of water-soluble rosin, 60 to 80 parts by weight of sodium hydroxide or calcium hydroxide, 60 to 80 parts by weight of EVA or HPMC, and 60 to 80 parts by weight of water repellent agent Prepared.
[실시예 1]Example 1
잔골재 858g에 대하여 상기 수용성 결합재 150ml, 굵은 골재 917g 및 충진재 350g을 혼합하여 실시예 1인 콘크리트를 제조하였다. 이때 상기 충진재로서, 천연무수석고를 사용하였다.The concrete of Example 1 was prepared by mixing 150 ml of the water-soluble binder, 917 g of the coarse aggregate, and 350 g of the filler with respect to the fine aggregate 858 g. At this time, as the filler, natural anhydrous gypsum was used.
[실시예 2][Example 2]
실시예 1과 달리 충진재로서, 고로슬래그 분말 55중량%, 규사 13중량%. 플라이애쉬 13중량% 및 천연무수석고 19중량%를 혼합하여 사용하였다.Unlike Example 1, as a filler, 55% by weight of blast furnace slag powder, 13% by weight of silica sand. 13% by weight of fly ash and 19% by weight of natural anhydrite gypsum were used in combination.
[비교예 1]Comparative Example 1
잔골재 858g에 대하여 시멘트 320g, 굵은 골재 917g 및 물 180ml를 혼합하여 비교예 1인 콘크리트를 제조하였다.The concrete of Comparative Example 1 was prepared by mixing 320 g of cement, 917 g of coarse aggregate, and 180 ml of water with respect to 858 g of fine aggregate.
[압축강도시험]Compressive Strength Test
상기 실시예 1, 2 및 비교예 1의 콘크리트에 대하여 압축강도시험을 하였다.The compressive strength test of the concrete of Examples 1 and 2 and Comparative Example 1 was carried out.
이때, 압축강도시험은 상기 실시예 1, 2의 콘크리트 각각 20개와 상기 비교예 1의 콘크리트 20개를 대상으로 실시했다.At this time, the compressive strength test was carried out on 20 concrete of each of Examples 1 and 2 and 20 concrete of Comparative Example 1.
압축강도에 대한 평가는 KS F 2405(콘크리트의 압축강도 시험방법)에 의거하여 상기 실시예 1, 2 및 비교예 1의 콘크리트의 평균 압축강도를 측정했고, 그 결과는 표 1과 같다.Evaluation of the compressive strength was measured the average compressive strength of the concrete of Examples 1, 2 and Comparative Example 1 on the basis of KS F 2405 (Test method of compressive strength of concrete), the results are shown in Table 1.
[표 1] 평균 압축강도에 대한 측정결과[Table 1] Measurement results for average compressive strength
이와 같이 상기 실시예 1, 2의 콘크리트의 평균 압축강도는 27.2MPa(N/mm2) 이상으로 높게 측정되었고, 상기 비교예 1의 콘크리트의 평균 압축강도는 19.3MPa(N/mm2) 로 낮게 측정되었다.As described above, the average compressive strength of the concrete of Examples 1 and 2 was measured to be higher than 27.2 MPa (N / mm 2 ) or higher, and the average compressive strength of the concrete of Comparative Example 1 was low to 19.3 MPa (N / mm 2 ). Was measured.
이는 상기 실시예 1, 2의 콘크리트가 잔골재와 수용성 결합재, 굵은 골재 및 충진재로서, 천연무수석고, 고로슬래그 분말, 규사, 플라이애쉬를 혼합했기 때문에 내구성이 향상됨은 물론, 강도, 건조수축 및 균열의 발생이 현저하게 감소됨으로써, 상기 실시예 1의 콘크리트의 평균 압축강도가 높게 측정된 것으로 사료된다.This is because the concrete of Examples 1 and 2 is mixed with fine aggregate, water-soluble binder, coarse aggregate, and filler, and because it is mixed with natural anhydrous gypsum, blast furnace slag powder, silica sand, fly ash, as well as durability, strength, dry shrinkage and crack As the occurrence is significantly reduced, it is considered that the average compressive strength of the concrete of Example 1 was measured to be high.
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| KR20050080055A (en) * | 2005-07-06 | 2005-08-11 | 신세계건설(주) | Environment friendship hydrogenous adhesives and the manufacturing method |
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