June 1968 Table of Contents

PROBLEM CLINIC
Problem Clinic Air Bubbles

At what point does an entrained-air bubble become a void? Read more

Problem Clinic Super-Strong Aggregates for Concrete

What is a granolithic floor? Read more

Problem Clinic Acid-Resistant Concrete

Does a mix containing fly ash have resistance to sulfuric acid? Read more

Problem Clinic Aluminum Rods for Reinforcement

Is it possible to use aluminum rods as reinforcement, for example to reduce weight? Read more

Problem Clinic Concrete "Sounds Off"

Can you "hear" the difference between a regular and air-entrained mix during steel trowel finishing? Read more

Problem Clinic Foundation Wall Repair

How would you repair a crack in an exterior, cast-in-place foundation wall? Read more

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