Fly ash concrete is not commonly used in construction as the quality of ash may affect the strength of the concrete. Poor quality fly ash can increase the permeability of the concrete and cause damage to the building.
Not all fly ash is suitable for construction, those are produced in power plants usually compatible with concrete, while others may need beneficiation.
For more relevant articles refer to the links given below:
- UPSC Environment and Ecology Questions
- United Nations Environment Programme
- UPSC Environment and Ecology
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