December 1996 Table of Contents

Problem Clinic Pinwheel Joints

I've heard the term pinwheel joint used in connection with concrete floors. What is a pinwheel joint? Read more

Problem Clinic Durable Concrete for Ice Skating Rink

We're building an outdoor basketball court that will be flooded in the winter and used as an ice skating rink. What can we do to protect the concrete from damage caused by freezing? Read more

Problem Clinic Best Coating for Embedded Aluminum Conduit

Building Code Requirements for Structural Concrete (ACI 318-95) prohibits embedding aluminum conduit in structural concrete unless it's effectively coated or covered to prevent aluminum-concrete reaction or electrolytic reaction between aluminum and steel Read more

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