KR102358493B1 - Cementless paste composition - Google Patents
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- KR102358493B1 KR102358493B1 KR1020200029695A KR20200029695A KR102358493B1 KR 102358493 B1 KR102358493 B1 KR 102358493B1 KR 1020200029695 A KR1020200029695 A KR 1020200029695A KR 20200029695 A KR20200029695 A KR 20200029695A KR 102358493 B1 KR102358493 B1 KR 102358493B1
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- 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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- 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
- 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
- C04B20/0076—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 characterised by the grain distribution
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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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
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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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
- C04B22/142—Sulfates
- C04B22/147—Alkali-metal sulfates; Ammonium sulfate
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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
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2641—Polyacrylates; Polymethacrylates
- C04B24/2647—Polyacrylates; Polymethacrylates containing polyether side chains
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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
- C04B40/02—Selection of the hardening environment
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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
- C04B2111/10—Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
- C04B2111/1037—Cement free compositions, e.g. hydraulically hardening mixtures based on waste materials, not containing cement as such
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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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Abstract
본 발명의 무시멘트 페이스트 조성물은 고로슬래그 미분말 18 ~ 40 중량%: 플라이 애시 18 ~ 40 중량%; 비산재 5~20 중량%; 물 20~30 중량%; 활성재 15 ~ 25 중량%;를 포함하되, 비산재는 도시 생활 쓰레기 소각 후 발생되는 생활쓰레기 비산재를 사용한다. 이때 조성물의 양생온도는 20~60℃ 이다. 조성물에 혼합되는 활성재는 황산나트륨 또는 규산나트륨이 2:8 ~ 5:5 의 중량비로 혼합되는 것이 바람직하다. 활성재는 알칼리 활성재로 혼입되는데, 이는 시멘트가 들어가지 않는 특징 때문에 조성물의 수화반응을 유도하기 위한 것이다.The cementless paste composition of the present invention is 18 to 40% by weight of fine powder of blast furnace slag: 18 to 40% by weight of fly ash; 5-20 wt% of fly ash; 20-30% by weight of water; 15 to 25% by weight of active material; but, as fly ash, use household waste fly ash generated after incineration of municipal waste. At this time, the curing temperature of the composition is 20 ~ 60 ℃. The active material to be mixed into the composition is preferably sodium sulfate or sodium silicate in a weight ratio of 2:8 to 5:5. The active material is incorporated as an alkali active material, which is intended to induce a hydration reaction of the composition due to the cement-free characteristic.
Description
본 발명은 건설분야에 관한 것으로서, 상세하게는 무시멘트 페이스트 조성물에 관한 것이다.The present invention relates to the field of construction, and more particularly, to a cementless paste composition.
환경오염에 대한 관심이 높아지면서 발전소에서 발생하는 폐기물 처리에 대한 안전한 처리가 중요해 지고있다. 생활쓰레기의 발생량이 증가하면서, 분리수거에 의해 재생이 가능한 쓰레기는 재활처리를 통해 처리되고 있지만, 재생될 수 없는 쓰레기는 전량이 소각처리되고 있다.As interest in environmental pollution increases, safe disposal of waste generated from power plants is becoming more important. As the amount of household waste increases, waste that can be recycled by separate collection is treated through recycling, but all waste that cannot be recycled is incinerated.
그러나 소각 처리하더라도 쓰레기 전부가 소각되는 것이 아니라 소각 후 부산물이 발생하게 된다.However, even if incinerated, not all waste is incinerated, but by-products are generated after incineration.
이렇게 발생된 소각 후 부산물들은 대부분이 고가의 비용으로 폐기처리 되고 있다. 생활 폐기물들은 분류상 사업장폐기물 중 지정폐기물의 종류에 속하며 환경부령이 정하는 물질을 기준이상으로 함유하고 있기 때문에 지정 폐기물로 처리 되고 있다. Most of the by-products generated after incineration are disposed of at high cost. Household wastes are classified as designated wastes among industrial wastes and are treated as designated wastes because they contain more than the standards prescribed by the Ordinance of the Ministry of Environment.
본 발명은 소각 처리되는 생활 쓰레기의 부산물을 활용할 수 있는 무시멘트 페이스트 조성물을 제시한다.The present invention provides a cement paste composition that can utilize by-products of household waste to be incinerated.
상기 과제의 해결을 위하여, 본 발명의 무시멘트 페이스트 조성물은 고로슬래그 미분말 25 ~ 40 중량%: 플라이 애시 25 ~ 40 중량%; 비산재 3.3~18 중량%; 물 16~30 중량%; 활성재 15 ~ 25 중량%;를 포함하되, 상기 비산재는 도시 생활 쓰레기 소각 후 발생되는 생활쓰레기 비산재를 사용한다.In order to solve the above problems, the cementless paste composition of the present invention is 25 to 40% by weight of fine powder blast furnace slag: 25 to 40% by weight of fly ash; 3.3-18 wt% of fly ash; 16-30% by weight of water; 15 to 25% by weight of active material; but, the fly ash uses household waste fly ash generated after incineration of municipal waste.
20~60℃의 온도에서 양생되는 것이 바람직하다.It is preferable to be cured at a temperature of 20 to 60 ℃.
상기 활성재는 황산나트륨과 규산나트륨이 2:8 ~ 5:5 의 중량비로 혼합되는 것이 바람직하다.The active material is preferably mixed with sodium sulfate and sodium silicate in a weight ratio of 2:8 to 5:5.
상기 비산재는 분말도가 650~700 ㎡/kg 인 것이 바람직하다.It is preferable that the fly ash has a fineness of 650 to 700
상기 무시멘트 페이스트(Paste) 조성물의 중량 100을 기준으로, 폴리카본산계 혼화제가 0.33 ~ 1 중량부 혼합되는 것이 바람직하다.Based on the weight of 100 of the cementless paste (Paste) composition, it is preferable to mix 0.33 to 1 part by weight of the polycarboxylic acid-based admixture.
본 발명에 따른 무시멘트 페이스트 조성물은 생활 쓰레기 소각 후 남은 부산물을 중 비산재를 활용하여 조성물을 제조하기 때문에 폐기물 처리비용을 저감시킴은 물론 고로슬래그 미분말과 함께 조성물의 바인더로 활용하여 압축강도, 휨강도 등의 물리적 특성이 우수한 친환경 페이스트 조성물을 생산할 수 있다.The cementless paste composition according to the present invention not only reduces waste treatment costs because the composition is manufactured by using heavy fly ash from by-products remaining after incineration of household waste, but also uses it as a binder of the composition together with fine blast furnace slag powder to compress strength, flexural strength, etc. An eco-friendly paste composition with excellent physical properties can be produced.
도 1은 본 발명의 일 실시 예에 따른 비산재 입자형상을 주사현미경으로 관찰산 사진
도 2는 본 발명의 일 실시 예에 따른 비산재 입자 구성성분을 EDS 분석을 통해 분석한 결과
도 3은 본 발명의 일 실시 예에 따른 고로슬래그, 플라이애시, 비산재의 입자 분포도
도 4는 본 발명의 일 실시 예에 따른 조성물의 압축강도 시험결과
도 5는 본 발명의 일 실시 예에 따른 조성물의 휨강도 시험결과
도 6은 본 발명의 일 실시 예에 따른 조성물의 부착강도 시험결과
도 7은 본 발명의 일 실시 예에 따른 조성물의 초음파 시험결과
도 8은 본 발명의 일 실시 예에 따른 조성물의 염소이온침투시험 결과1 is a photograph of the shape of a fly ash particle observed under a scanning microscope according to an embodiment of the present invention;
2 is a result of analyzing fly ash particle components according to an embodiment of the present invention through EDS analysis;
3 is a particle distribution diagram of blast furnace slag, fly ash, and fly ash according to an embodiment of the present invention;
4 is a compressive strength test result of a composition according to an embodiment of the present invention;
5 is a flexural strength test result of a composition according to an embodiment of the present invention;
6 is a test result of adhesion strength of a composition according to an embodiment of the present invention;
7 is an ultrasound test result of a composition according to an embodiment of the present invention;
8 is a chlorine ion penetration test result of the composition according to an embodiment of the present invention;
본 발명에 따른 무시멘트 페이스트 조성물의 일 실시 예를 첨부도면을 참조하여 상세히 설명하기로 하며, 첨부 도면을 참조하여 설명함에 있어, 동일하거나 대응하는 구성 요소는 동일한 도면 번호를 부여하고 이에 대해 중복되는 설명은 생략하기로 한다.An embodiment of the cementless paste composition according to the present invention will be described in detail with reference to the accompanying drawings, and in the description with reference to the accompanying drawings, the same or corresponding components are given the same reference numbers and overlapped therewith A description will be omitted.
또한, 이하 사용되는 제1, 제2 등과 같은 용어는 동일 또는 상응하는 구성 요소들을 구별하기 위한 식별 기호에 불과하며, 동일 또는 상응하는 구성 요소들이 제1, 제2 등의 용어에 의하여 한정되는 것은 아니다.In addition, terms such as first, second, etc. used below are merely identification symbols for distinguishing the same or corresponding components, and the same or corresponding components are limited by terms such as first and second no.
또한, 결합이라 함은, 각 구성 요소 간의 접촉 관계에 있어, 각 구성 요소 간에 물리적으로 직접 접촉되는 경우만을 뜻하는 것이 아니라, 다른 구성이 각 구성 요소 사이에 개재되어, 그 다른 구성에 구성 요소가 각각 접촉되어 있는 경우까지 포괄하는 개념으로 사용하도록 한다.In addition, the term "coupling" does not mean only when there is direct physical contact between each component in the contact relationship between each component, but another component is interposed between each component, so that the component is in the other component. It should be used as a concept that encompasses even the cases in which each is in contact.
이하, 첨부도면을 참조하여 무시멘트 페이스트 조성물에 관하여 상세히 설명한다.Hereinafter, the cementless paste composition will be described in detail with reference to the accompanying drawings.
본 발명의 무시멘트 페이스트 조성물은 고로슬래그 미분말 25 ~ 40 중량%: 플라이 애시 25 ~ 40 중량%; 비산재 3.3~18 중량%; 물 16~30 중량%; 활성재 15 ~ 25 중량%;를 포함하되, 비산재는 도시 생활 쓰레기 소각 후 발생되는 생활쓰레기 비산재를 사용한다.The cementless paste composition of the present invention is 25 to 40% by weight of fine powder of blast furnace slag: 25 to 40% by weight of fly ash; 3.3-18 wt% of fly ash; 16-30% by weight of water; 15 to 25% by weight of active material; but, as fly ash, household waste fly ash generated after incineration of municipal waste is used.
이때 조성물의 양생온도는 20~60℃ 이다. 조성물에 혼합되는 활성재는 황산나트륨과 규산나트륨이 2:8 ~ 5:5 의 중량비로 혼합되는 것이 바람직하다.At this time, the curing temperature of the composition is 20 ~ 60 ℃. The active material to be mixed in the composition is preferably mixed with sodium sulfate and sodium silicate in a weight ratio of 2:8 to 5:5.
활성재는 알칼리 활성재로 혼입되는데, 이는 시멘트가 들어가지 않는 특징 때문에 조성물의 수화반응을 유도하기 위한 것이다.The active material is incorporated as an alkali active material, which is intended to induce a hydration reaction of the composition due to the cement-free characteristic.
비산재는 분말도가 650~700 ㎡/kg 이고, 무시멘트 페이스트(Paste) 조성물의 중량 100을 기준으로, 폴리카본산계 혼화제가 0.33 ~ 1 중량부 더 혼합되는 것이 바람직하다.The fly ash has a fineness of 650 to 700
표 1은 본 발명의 실시예와 비교예의 비합비를 나타낸 것으로서, 실시예는 비산재의 함유량을 달리하여 조성물을 배합한 것이다.Table 1 shows the ratios of the Examples and Comparative Examples of the present invention, and in Examples, the composition was formulated by varying the content of fly ash.
(%)W/C
(%)
(g)water
(g)
황산 나트륨
(g)silicic acid /
sodium sulfate
(g)
미분말
(g)blast furnace slag
fine powder
(g)
(g)fly ash
(g)
(g)incineration fly ash
(g)
(g)admixture
(g)
도 4와 도 5는 실시예와 비교예의 배합비에 따라 무시멘트 페이스트(Paste) 조성물을 제조하여 압축강도 시험 및 휨강도 시험을 실시한 결과이다.4 and 5 are results of performing a compressive strength test and a flexural strength test by preparing a cement paste composition according to the mixing ratio of Examples and Comparative Examples.
먼져 압축강도는 실시예 1,2 의 조성물이 비교예보다 장기강도가 더 우수하다는 것을 확인하였고, 실시예 3, 4의 경우 비산재의 함유량이 증가하면서 비교예보다 강도가 다소 감소하는 것을 확인하였다.First, as for the compressive strength, it was confirmed that the compositions of Examples 1 and 2 had better long-term strength than those of Comparative Examples, and in the case of Examples 3 and 4, it was confirmed that the strength decreased somewhat compared to Comparative Examples while the content of fly ash increased.
휨강도 시험결과 역시 실시예 1, 2의 경우가 실시예 3, 4보다 강도측면에서 우수하다는 것을 확인 할 수 있다. The flexural strength test results also confirmed that Examples 1 and 2 were superior to Examples 3 and 4 in terms of strength.
도 6은 실시예와 비교예의 부착강도 시험을 실시한 것으로서, 비산재가 혼합된 실시예의 조성물이 비교예 보다 부착강도가 높은 것을 확인할 수 있다.6 is a test of the adhesion strength of Examples and Comparative Examples, and it can be seen that the composition of Examples in which fly ash is mixed has higher adhesion strength than Comparative Examples.
도 7은 초음파 시험을 실시한 것으로서, 실시예의 조성물이 비교예보다 초음파 속도가 높게 나타났다. 이는 비산재를 포함하는 조성물의 내부 공극이 비교예 보다 낮기 때문인 것으로 판단된다.7 shows that the ultrasonic test was performed, and the composition of Example showed higher ultrasonic speed than Comparative Example. This is considered to be because the internal voids of the composition containing the fly ash are lower than those of the comparative example.
도 8은 실시예와 비교예의 조성물로 염소이온 침투 시험을 실시한 것으로서, 비산재를 함유한 조성물이 내부 공극이 적기 때문에 염소이온 침투 깊이가 비교예 보다 감소하는 것을 확인하였다.Figure 8 shows that the chloride ion penetration test was performed with the compositions of Examples and Comparative Examples, and it was confirmed that the chloride ion penetration depth was decreased compared to Comparative Examples because the composition containing fly ash had fewer internal pores.
Claims (5)
플라이 애시 25 ~ 40 중량%;
비산재 3.3~18 중량%;
물 16~30 중량%;
활성재 15 ~ 25 중량%;를 포함하되,
상기 비산재는 도시 생활 쓰레기 소각 후 발생되는 생활쓰레기 비산재이고,
상기 활성재는 황산나트륨과 규산나트륨이 2:8 ~ 5:5 의 중량비로 혼합되며,
상기 비산재는 분말도가 650~700 ㎡/kg 임과 아울러, 20~60℃의 온도에서 양생된 비산재이고,
무시멘트 페이스트(Paste) 조성물의 중량 100을 기준으로,
폴리카본산계 혼화제가 0.33 ~ 1 중량부 혼합되는 것을 특징으로 하는 무시멘트 페이스트(Paste) 조성물.Blast furnace slag fine powder 25 to 40 wt%:
25-40 wt% fly ash;
3.3-18 wt% of fly ash;
16-30% by weight of water;
15 to 25% by weight of active material; including,
The fly ash is household waste fly ash generated after incineration of municipal waste,
The active material is mixed with sodium sulfate and sodium silicate in a weight ratio of 2:8 to 5:5,
The fly ash is a fly ash cured at a temperature of 20 to 60 ° C, as well as a powderiness of 650 to 700 m 2 / kg,
Based on the weight of 100 of the cement paste (Paste) composition,
A cementless paste composition, characterized in that 0.33 to 1 part by weight of the polycarboxylic acid-based admixture is mixed.
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| KR101272761B1 (en) * | 2012-09-13 | 2013-06-10 | 신성종합건축사사무소(주) | Activator for latent hydraulic property of blast furnace slag powder by waste ash and recycled aggregate, and non-cement mortar composition using the same |
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| KR101272761B1 (en) * | 2012-09-13 | 2013-06-10 | 신성종합건축사사무소(주) | Activator for latent hydraulic property of blast furnace slag powder by waste ash and recycled aggregate, and non-cement mortar composition using the same |
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