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What is AASHTO M 295: Fly Ash Specification about?

This document provides standards for coal fly ash and raw or calcined natural pozzolans for use in concrete. It defines two classes - Class F fly ash produced from burning anthracite or bituminous coal, and Class C fly ash produced from lignite or subbituminous coal, which has some cementitious properties in addition to pozzolanic properties. The document specifies requirements for chemical composition and physical properties including fineness, strength activity index, water requirement, soundness, and uni

Author

Gayatry Bawane

Language

EN