Warren E. McPherson

Warren E. McPherson's Posts

Why Do I Have to Be Certified?

Why would you want to be certified as a concrete flatwork finisher? What can ACI certification offer you? Do you feel that you know all there is to know about concrete from your own field experience as a contractor, finisher, producer, or project engineer? Read more

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Hardened Air-Voids in Concrete: Who Is Responsible?

Contractors in cold weather regions know that adequate air content in concrete is required for freeze/thaw durability. Read more

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