Which type of fly ash and admixture are used in heavy construction?

Question

Accepted Answer

Fly ash and admixtures commonly used in heavy construction include Class F fly ash and water-reducing admixtures.

Class F fly ash, which is produced from burning anthracite or bituminous coal, is commonly used in heavy construction.
Water-reducing admixtures, such as plasticizers or superplasticizers, are often added to concrete mixes in heavy construction to improve workability and reduce water content.
Other types of fly ash, such as Class C fly ash produced from burning lignite or sub-bituminous coal, may also be used depending on project specifications.
Examples of water-reducing admixtures include lignosulfonates, polycarboxylates, and melamine-based superplasticizers.

Accepted Answer

Super plaster admixtures etc . Flyash is use normally content 15 to 35 % add.

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