Thin concrete repair composition for alkali-aggregate reaction affected concrete
US6858075B1 · kind B1 · utility
2Cited by
7References
14Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 10, 2004 |
| Grant date | Feb 22, 2005 |
| Priority date | — |
| Expiry date | Feb 10, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A cement repair composition is provided for repairing thin concrete. The composition comprises, in weight percentages: fine aggregates, 50-80%; Portland cement, 10-20%; reinforcing fibers such as polyethylene, steel and fiberglass fibers, 0-5%; and a plurality of further additives. The additives preferably include a lithium admixture, an air entraining admixture and a water reducing chemical additive, and a shrinkage compensating chemical additive, in a combined weight percentage of 0.01 to 5%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.