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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0451082 (1995-05-25) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 17 인용 특허 : 0 |
High-strength, high-hardness concrete, mortar, or grout is prepared by blending portland cement, water, and aggregate with a source of reactive silica, pouring the concrete mixture into a form, allowing the concrete to cure until it reaches its conventional 28-day strength, and immersing the cured c
A method of preparing cement-based products of increased hardness, increased compressive strength, and decreased permeability to liquids comprising the steps of (a) mixing portland cement, water, and aggregate with from 10 to 46 percent by weight reactive silica; (b) pouring the mixture into a form
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