KR102749832B1 - 개선된 마감 콘크리트 제품을 제조하기 위한 방법 - Google Patents
개선된 마감 콘크리트 제품을 제조하기 위한 방법 Download PDFInfo
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- KR102749832B1 KR102749832B1 KR1020207030512A KR20207030512A KR102749832B1 KR 102749832 B1 KR102749832 B1 KR 102749832B1 KR 1020207030512 A KR1020207030512 A KR 1020207030512A KR 20207030512 A KR20207030512 A KR 20207030512A KR 102749832 B1 KR102749832 B1 KR 102749832B1
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Classifications
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- 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
- C04B14/062—Microsilica, e.g. colloïdal silica
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- 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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- 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
- C04B28/04—Portland cements
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- 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
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- C04B40/0039—Premixtures of ingredients
- C04B40/0046—Premixtures of ingredients characterised by their processing, e.g. sequence of mixing the ingredients when preparing the premixtures
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- 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
- C04B40/06—Inhibiting the setting, e.g. mortars of the deferred action type containing water in breakable containers ; Inhibiting the action of active ingredients
- C04B40/0608—Dry ready-made mixtures, e.g. mortars at which only water or a water solution has to be added before use
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/0018—Coating or impregnating "in situ", e.g. impregnating of artificial stone by subsequent melting of a compound added to the artificial stone composition
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
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- C04B7/361—Condition or time responsive control in hydraulic cement manufacturing processes
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- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Civil Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
Description
도 2는 도 1의 정도로 마감되지 않은 표면 상의 무광 마감을 도시한다.
도 3은 물 침투가 없는 실외 사용에 적합한 예 3에서 제조된 표면을 도시한다.
도 4는 마감 단계 후에 나타나는, 예 1에서 제조된 표면을 도시한다. 희석되지 않은 Korkay가 플로팅 후에 도포된다. 표면은 부서지기 쉽고 마감 단계에서 쉽게 손상된다.
도 5는 마감 단계 후에 나타나는 표면을 도시한다. 플로팅 후에 Korkay의 12:1 물 희석물이 도포되었다. 표면이 얇고 열등한 평탄도와 광택을 갖는다.
도 6은 마감 단계 후에 나타나는 표면을 도시한다. 플로팅 후에 Korkay의 7:1 물 희석물이 도포되었다. 표면이 평활하고 우수한 광택을 갖는다.
Claims (15)
- 개선된 내마모성을 갖는 콘크리트 설비를 제조하기 위한 방법으로서, 상기 방법은:
1) 콘크리트 설비의 제조를 위한 공정으로서, 상기 공정은:
A) 성분들로부터 콘크리트 혼합물을 생성하는 단계로서, 상기 성분은:
a) 일정량의 건조 시멘트 혼합물로서, 상기 시멘트 혼합물은:
i) 제조자가 제시한 물/시멘트 비율 값; 상기 제시된 비율은 약 3.5 내지 약 6.5의 범위에 있고; b)와의 결합에서, 상기 물/시멘트 비율은 상기 제시된 값보다 약 10 % 작은 것에 대응하는 값보다 크고, 상기 제시된 값보다 약 30 % 큰 것에 대응하는 값보다 크지 않으며;
또는
ii) 상위값 및 하위값을 갖는 제조자가 제안한 물/시멘트 비율 범위, 아래의 b)와 결합에서 상기 물/시멘트 비율은 상기 하위값보다 약 10 % 작은 것에 대응하는 값보다 크고, 상기 상위값보다 약 30 % 더 큰 것에 대응하는 값보다 작으며;
또는
iii) 아래의 b)와 결합에서, 상기 물/시멘트 비율이 약 0.35 내지 0.65 범위에 있는 양을 특징으로 하고;
b) 일정량의 물,
c) a)에서 시멘트 100 lb 당 약 0.1 내지 약 7.0 온스 범위의 양의 비정질 실리카; 평균 실리카 입자 크기는 1 내지 55 나노미터 범위이고/범위이거나 상기 실리카 입자들의 표면적은 약 300 내지 약 900 m2/g 범위이고;
d) 약 400 내지 약 700 중량% bwoc 범위의 일정량의 골재 및/또는 일정량의 모래 중 각각을 포함하고;
B) 상기 일정량의 물의 적어도 약 20 중량%를 포함하는 초기 부분, 및 테일 워터(tailwater) 부분을 포함하는 b)의 상기 물이 전체적으로 또는 부분적으로 추가되고; 물의 상기 초기 부분은 제1 혼합물을 형성하기 위해 a) 및 d)의 성분들과 결합하고; 상기 비정질 실리카는 제2 혼합물을 형성하기 위해 a), d) 및 b)의 상기 초기 부분을 포함하는 혼합물에 추가되고;
상기 테일 워터는 1) 상기 제1 혼합물에 추가되거나 2) 상기 제2 혼합물에 추가되거나; 또는 3) 상기 비정질 실리카와 함께 상기 제1 혼합물에 공동-추가되고, 선택적으로, 상기 비정질 실리카 및 상기 테일 워터는 선택적으로 상호 결합되어 추가되고; 1) 상기 제1 혼합물은 상기 테일 워터의 상기 추가 전 시간 t11 동안, 상기 테일 워터의 상기 추가 후 상기 비정질 실리카의 상기 추가 전 시간 t12 동안, 그리고 상기 비정질 실리카의 상기 추가 후 시간 t13 동안 교반되거나; 2) 상기 제2 혼합물은 상기 비정질 실리카의 상기 추가 전 시간 t21 동안, 상기 비정질 실리카의 상기 추가 후 상기 테일 워터의 상기 추가 전 시간 t22 동안, 그리고 상기 테일 워터의 상기 추가 후 시간 t23 동안 교반되거나; 3) 상기 제2 혼합물은 상기 비정질 실리카와 상기 테일 워터의 상기 공동-추가 전 시간 t31 동안 교반되며, 그 후 상기 콘크리트 혼합물은 시간 t32 동안 교반되고;
또는
C) 상기 일정량의 물이 혼합물을 형성하기 위해 a) 및 d)의 성분들에 추가되고, 상기 혼합물은 상기 비정질 실리카의 상기 추가 전 시간 ta 동안 교반되고, 그 후 상기 콘크리트 혼합물은 시간 tb 동안 교반되고;
D) 콘크리트 설비를 형성하기 위해 B) 또는 C)의 상기 콘크리트 혼합물을 타설(pouring)하는 단계로서, 상기 콘크리트 설비는 상부 표면을 포함하고;
E) 상기 상부 표면을 플로팅(floating)하는 단계;
F) 상기 상부 표면에 대해, 물; 평균 분자량이 약 500 내지 약 1500 mw 범위인 알파-히드록시산, 글리콜 알킬 에테르, 및 폴리에틸렌 글리콜을 포함하는 배합물을 바람직하게는 갤런 당 약 200 내지 약 2000 평방 피트의 속도로 상기 콘크리트 표면에 도포하는 단계;
G) 상기 상부 표면에서 결합 단계를 수행하는 단계;
H) 선택적으로, 광택도가 개선되고 선택적으로 Grade 1이 되도록 상기 상부 표면을 최종 마감하는 단계;
I) 단계 H)인 경우, 선택적으로 상기 상부 표면을 버니싱(burnishing)하고, 단계 H)의 상기 최종 마감에서의 상기 표면이 Grade 1인 경우, 선택적으로, 버니싱에 의해 상기 표면을 Grade 2로 개선하는 단계를 포함하는, 방법. - 제1항에 있어서,
물의 상기 초기 부분은 상기 일정량의 물의 적어도 30, 40, 50, 60, 70, 80, 90 또는 99 중량%를 포함하는, 공정. - 제1항에 있어서,
a)의 상기 건조 시멘트 혼합물과 b)의 상기 물의 결합시, 상기 물/시멘트 비율은:
i)에서 상기 제시된 값보다 크거나 같지만, 상기 제시된 값보다 30 % 더 큰 것에 대응하는 값보다 작거나;
ii)에서 상기 제안된 범위의 상기 상위값보다 크거나 같지만, 상기 상위값보다 30 % 더 큰 것에 대응하는 값보다 크지 않거나;
iii)에 대해 적어도 0.35이지만, 0.65보다 크지 않은, 공정. - 제1항에 있어서,
상기 비정질 실리카는 콜로이드 실리카 용액으로서 제1 혼합물에 도입되고, 상기 용액은 약 50 내지 약 95 중량%의 실리카 및 약 5 내지 약 50 중량%의 물을 포함하는, 공정. - 제4항에 있어서,
상기 실리카는 약 75 내지 약 90 중량%의 실리카 및 약 10 내지 약 25 중량%의 물을 포함하는, 공정. - 제5항에 있어서,
상기 비정질 실리카는 시멘트 100 lb 당 약 2.5 내지 약 5.5 온스 범위의 양으로 추가되는, 공정. - 제6항에 있어서,
상기 비정질 실리카는 시멘트 100 lb 당 약 3.5 내지 약 4.5 온스 범위의 양으로 추가되는, 공정. - 제4항에 있어서,
상기 콜로이드 실리카 용액은 상기 테일 워터 후에 추가되는, 공정. - 제1항에 있어서,
상기 콘크리트는 슬래브 또는 기초에 타설되는, 공정. - 제1항 또는 제4항에 있어서,
상기 공정은 Ready-mix에서 수행되고; 상기 제1 혼합물이 15 초 내지 5분 범위의 시간 동안 약 2 rpm 내지 약 18 rpm 범위의 속도로 교반된 후 상기 테일 워터가 상기 제1 혼합물에 추가되고; 상기 테일 워터의 추가 후, 상기 혼합물은 약 1분 내지 약 18분 범위의 시간 동안 약 5 rpm 내지 약 18 rpm 범위의 속도로 교반되고, 그 후 실리카가 콜로이드 실리카로서 상기 Ready-mix에 추가되고, 상기 혼합물은 약 2 내지 약 18 rpm 범위의 속도로 약 1분 내지 약 15분 범위의 시간 동안 교반되고; 상기 콘크리트는 그 후 슬래브 형태로 타설되는, 공정. - 제1항에 있어서,
상기 배합물은 갤런 당 약 500 내지 약 1500 평방 피트의 속도로 도포되는, 공정. - 제1항에 있어서,
상기 도포 속도는 갤런 당 약 800 내지 1200 평방 피트인, 공정. - 제1항에 있어서,
상기 배합물은 약 5 내지 약 20 중량% 범위로 상기 배합물에 존재하는 알파-히드록시산; 약 5 내지 약 20 중량% 범위로 존재하는 글리콜 알킬 에테르; 약 1 내지 약 15 중량% 범위로 존재하는 폴리에틸렌 글리콜; 약 70 내지 약 80 중량% 범위로 존재하는 물을 포함하는, 공정. - 제13항에 있어서,
상기 배합물은 약 10 내지 약 15 중량% 범위로 상기 배합물에 존재하는 알파-히드록시산; 약 10 내지 약 15 중량% 범위로 존재하는 글리콜 알킬 에테르; 약 1 내지 약 9 중량% 범위로 존재하는 폴리에틸렌 글리콜; 약 70 내지 약 80 중량% 범위로 존재하는 물을 포함하는, 공정. - 제1항, 제3항, 제4항, 제5항, 제7항, 제8항, 또는 제9항 중 어느 한 항의 공정에 의해 제조되는 콘크리트 설비.
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- 2019-03-22 US US16/501,311 patent/US11884600B2/en active Active
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- 2019-03-22 JP JP2021500779A patent/JP7344272B2/ja active Active
- 2019-03-22 KR KR1020207030512A patent/KR102749832B1/ko active Active
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2023
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KR20210003114A (ko) | 2021-01-11 |
US11919823B2 (en) | 2024-03-05 |
US20250011248A1 (en) | 2025-01-09 |
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EP3768649A4 (en) | 2022-01-26 |
US20190367420A1 (en) | 2019-12-05 |
JP7344272B2 (ja) | 2023-09-13 |
US20230312426A1 (en) | 2023-10-05 |
US11884600B2 (en) | 2024-01-30 |
WO2019182672A1 (en) | 2019-09-26 |
JP2021519741A (ja) | 2021-08-12 |
BR112020019084A2 (pt) | 2020-12-29 |
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