Making Better Concrete:
Guidelines to Using Fly Ash for Higher Quality, Eco-Friendly Structures

Using coal flyash to replace 50% or more of the portland cement in concrete mixes is a huge opportunity for designers and builders—a way to get better concrete with a significantly smaller ecological footprint (see EBN Vol. 8, No. 6). But designing concrete mixes well isn’t a simple matter, and using large amounts of flyash increases the importance of properly designing and pouring the concrete. Making Better Concrete argues for using lots of flyash, but it does so with the precautions and warnings of an engineer who has been doing it long enough to have learned some lessons. “If you don’t plan to control water content and cure the concrete well, throw this book away; it will do you no good,” cautions King in a typical statement.
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