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6. Physico-chemical characterization of coal fly ash
6.1 Pozzolanic power of ash
The mineralogical and chemical nature of ash gives it a pozzolanic power (see Box 1) which translates into a setting phenomenon that increases the mechanical characteristics of the mixture of ash with cements or binders (the same process is used in road mixes for pavement bases).
Pozzolanic properties have been known since ancient times. In his writings, Vitruvius reports that when materials of volcanic origin extracted from Pozzuoli at the foot of Mount Vesuvius are mixed with lime, the resulting mixture hardens both under water and in air. This is how the Roman Pantheon, the Colosseum, Constantine's Basilica and the Pont du Gard were built (see the Predis Guide from...
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Physico-chemical characterization of coal fly ash
Geotechnical characteristics of fly ash
Bibliography
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Websites
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ADEME
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DRIRE
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EDF – Flame thermal energy – Generation sites in France
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Events
International Ash Utilization Symposium – Healths aspect of Coal Fly Ash. The International Ash Utilization Symposium is held every 2 years. It is organized by the University of Kentucky Applied Energy Research Center and the U.S. Department of Energy.
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2nd "Earthworks in Europe" symposium
This 2nd Colloquium will be held in London on June 3-4, 2009. It follows...
Standards and norms
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French reference standards
- Exécution des terrassements. Classification des matériaux utilisables dans la construction des remblais et des couches de forme d'infrastructure routière. - NF P11-300 - Septembre 1992
- Exécution des terrassements Terminologie. - NF P11-301 - Décembre 1994
- Liants hydrauliques. Ciments courants. Compositions, spécifications et critères...
Regulations
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Extracts from legislative references
Article L. 511-1 of the French Environment Code. The provisions of this title apply to factories, workshops, warehouses, construction sites and, in general, installations operated or owned by any natural or legal person, public or private, which may present dangers or inconveniences either for the convenience of the...
Statistical and economic data
European Commission – Directorate-General for Energy and Transport.
Conventional energies – Coal and oil – EU imports of hard coal from third countries for power plants in 2000-2001.
Ministère de l'Économie, de l'Industrie et de l'Emploi, DGEMP, 24/06/2008.
Coal: main provisional results for 2007. DGEMP/Observatoire de l'énergie. June...
The Ultimate Scientific and Technical Reference
