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What’s the Big Deal with Fly Ash?

By   /  October 3, 2012  /  No Comments

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Fly ash — a by-product of coal combustion — is a controversial subject in green building. I posted this piece to the Ecological Building Network (EBNet) site some years ago, and got several thoughtful replies. The Roman Pantheon is pictured because Roman concrete was very similar to modern high fly ash concrete.

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