July 1963 Table of Contents

Problem Clinic Locating Reinforcing Steel

Is there an accurate instrument for locating reinforcing steel in concrete? Read more

Problem Clinic Color Matching

In patching small surface defects in concrete, is there a precise way to assure that the color will match? Read more

Problem Clinic Really Dry

What is the meaning of less-than-zero slump? Read more

Problem Clinic Efflorescence

We have been having considerable trouble with efflorescence; straight scrubbing down with water does not seem to be of any great help. Can you suggest some form of acid wash? Read more

Problem Clinic Pavement Maintenance Costs

How does the maintenance cost per mile for portland cement concrete pavement compare with other types? Read more

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