Ultra-high performance concretes having a low cement content
US9926234B2 · kind B2 · utility
7Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2015 |
| Grant date | Mar 27, 2018 |
| Priority date | — |
| Expiry date | Jun 18, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A hydraulic binder includes, as percentage by mass: from 17 to 55% of a Portland cement, the particles of which have a D50 of from 2 μm to 11 μm; at least 5% of silica fume; from 36 to 70% of a mineral addition A1, the particles of which have a D50 of from 15 to 150 μm; the sum of these percentages being from 80 to 100%; the sum of the percentages of cement and of silica fume being greater than 28%; the mineral addition A1 being selected from slags, pozzolanic additions or siliceous additions such as quartz, silico-calcareous mineral additions, calcareous additions such as calcium carbonate or mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.