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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0753394 (2001-01-02) |
발명자 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 5 인용 특허 : 16 |
A method and composition for grouting a water-flooded cavity. Water and portland cement are combined to form a fluid cement slurry, the slurry being substantially free of sand or other aggregate material, and the slurry is then colloidally mixed so as to achieve an ultra-fine mixing thereof. An anti
1. A method for grouting a water-flooded cavity, said method comprising the steps of:combining hydraulic cement and water in predetermined amounts so as to form a fluid cement slurry; colloidally mixing said cement slurry so as to achieve ultra-fine mixing thereof; mixing an anti-washout admixture w
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