KR20210003114A - 개선된 마감 콘크리트 제품을 제조하기 위한 방법 - Google Patents
개선된 마감 콘크리트 제품을 제조하기 위한 방법 Download PDFInfo
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- KR20210003114A KR20210003114A KR1020207030512A KR20207030512A KR20210003114A KR 20210003114 A KR20210003114 A KR 20210003114A KR 1020207030512 A KR1020207030512 A KR 1020207030512A KR 20207030512 A KR20207030512 A KR 20207030512A KR 20210003114 A KR20210003114 A KR 20210003114A
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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 중량 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 중량 당 약 2.5 내지 약 5.5 온스 범위의 양으로 추가되는, 공정. - 제6항에 있어서,
상기 비정질 실리카는 시멘트 100 중량 당 약 3.5 내지 약 4.5 온스 범위의 양으로 추가되는, 공정. - 제1항에 있어서,
상기 콜로이드 실리카는 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 배합물은 Korkay 1부 당 물 약 6 내지 약 8부 범위의 Korkay 희석물을 포함하고, 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, 제5항, 제7항, 제8항, 제9항 또는 제10항의 공정에 의해 제조되는 콘크리트 설비.
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2019
- 2019-03-22 JP JP2021500779A patent/JP7344272B2/ja active Active
- 2019-03-22 KR KR1020207030512A patent/KR102749832B1/ko active Active
- 2019-03-22 WO PCT/US2019/000013 patent/WO2019182672A1/en not_active Ceased
- 2019-03-22 US US16/501,311 patent/US11884600B2/en active Active
- 2019-03-22 EP EP19771108.8A patent/EP3768649A4/en active Pending
- 2019-03-22 BR BR112020019084-5A patent/BR112020019084A2/pt active Search and Examination
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2023
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2024
- 2024-09-12 US US18/882,891 patent/US20250011248A1/en active Pending
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| KR20030019376A (ko) * | 2000-05-19 | 2003-03-06 | 악조 노벨 엔.브이. | 콘크리트 조성물 및 그 제조방법 |
| WO2016081080A1 (en) * | 2014-11-21 | 2016-05-26 | W. R. Grace & Co.-Conn. | Wet press concrete slab manufacturing |
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| Publication number | Publication date |
|---|---|
| BR112020019084A2 (pt) | 2020-12-29 |
| EP3768649A1 (en) | 2021-01-27 |
| US20190367420A1 (en) | 2019-12-05 |
| US11919823B2 (en) | 2024-03-05 |
| US20230312426A1 (en) | 2023-10-05 |
| US20250011248A1 (en) | 2025-01-09 |
| EP3768649A4 (en) | 2022-01-26 |
| KR102749832B1 (ko) | 2025-01-03 |
| WO2019182672A1 (en) | 2019-09-26 |
| JP2021519741A (ja) | 2021-08-12 |
| US11884600B2 (en) | 2024-01-30 |
| JP7344272B2 (ja) | 2023-09-13 |
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