April 1974 Table of Contents

Problem Clinic Low Strengths

How much difference does it make as to who makes the test cylinders? Could it be that some of our low strengths are caused by differences in the way they are made? Read more

Problem Clinic Thermal Diffusivity

In making calculations of heat transfer in massive concrete why is thermal diffusivity figured instead of thermal conductivity? What is thermal diffusivity? Read more

Problem Clinic Cook's Tour of Fibrous Pavements

Where can I observe installations of steel fiber-reinforced concrete besides the ones you have recently described? Read more

Problem Clinic A Problem in Structural Steel

What is lamellar tearing? Read more

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