May 1976 Table of Contents

Problem Clinic Rebar Location in Continuously Reinforced Pavements

Since the steel in continuously reinforced concrete pavements is used for restraining longitudinal movement would it be correct to locate it at about the center of the slab thickness? Read more

Problem Clinic Finishing By Flame Blasting

Where can I get information about making exposed aggregate surfaces by flame blasting? Read more

Problem Clinic Applying Epoxy Adhesives By Spraying

Can epoxy adhesives be satisfactorily applied by spraying? Read more

Problem Clinic Bids for Rebars May Estimate Weight

We were charged for a larger weight for rebars than we expected, based on the number of bars delivered and the weight figured in pounds per foot. Why should the steel supplier benefit if the steel weighs more than we were led to believe? Read more

Problem Clinic Joint Spacing in Continuously Reinforced Pavement

How far apart can joints be placed in continuously reinforced concrete pavements? Read more

Problem Clinic Proper Belt Loading for Conveyors

Sometimes there is excessive spillage from our conveyor belts. We like to load them to capacity so as to move as much concrete as possible but we don't always succeed in carrying it all to the form. How can we achieve a good balance? Read more

Problem Clinic Uniform, Neat, Sharp Surfaces and Edges

How did the contractor get such good surfaces on the award-winning Morningside House in New York City? Read more

Problem Clinic Estimator Should Find Out Where Steel Will Be Bent

Is there any way to get a discount on the steel when the union requires bending on the job rather than in the shop? We recently had to spend additional money to have the steel bent at the site. Read more

Problem Clinic Concrete for Use at High Temperatures

Is there any concrete that will work for a prolonged time at a temperature of 2,200°F? Read more

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