ACI PRC-232.5-21 PDF Download
Standard EN
Harvested Fly Ash as a Supplementary Cementitious Material - TechNote
Also Known As:
the focus is on the use of harvested fly ash as a supplementary cementitious material in concrete. The standard addresses the question of whether fly ash that has been stockpiled in ponds or landfills can still retain its functional benefits for concrete.
The standard highlights that while fly ash can provide various functional benefits to concrete, such as improved workability, strength development, and durability, the quality and effectiveness of fly ash may degrade over time when exposed to certain environmental conditions, such as moisture and air. Therefore, it is crucial to properly store and protect fly ash to maintain its beneficial properties.
The standard provides guidelines and recommendations for the evaluation and testing of harvested fly ash to determine its suitability for use as a supplementary cementitious material. It includes procedures for assessing the chemical composition, fineness, loss on ignition, and other parameters to ensure the fly ash meets the required quality standards.
| Descriptors | beneficiation; coal combustion products; disposed; fly ash; harvested; reclaimed; recovered |
| Language(s) | English |
| File Size | 1.2 MB |
