December 1997 Table of Contents

FEATURES
Features Low-Cost Concrete Storage Buildings

Thin-shell concrete dome storage or shop buildings up to 50 feet in diameter can be built quickly and economically using inflatable forms made of high-strength architectural fabric. The forms are reusable and allow the use of about one-third the material required for construction of a conventional concrete building with the same storage capacity. Read more

Features The Real Truth About the Effects of Deicers

The results of a study conducted in the mid-1950s show that it's not high concentrations of deicers that cause the heaviest scaling, but relatively low amounts in the range of 2% to 4%. Read more

Features 1997 Pavement Award Winners Set New Standards

Article profiles the winners and finalists in the eighth annual National Awards Program for Excellence in Concrete Pavement, sponsored by the American Concrete Pavement Association and Concrete Construction. This year's program attracted 85 project nominations. Industry representatives judged each project using four criteria: Read more

PROBLEM CLINIC
Problem Clinic Movement in Parking-Deck Expansion Joints

Do expansion joints between parking-deck slabs allow for differential vertical slab movement when one slab carries much greater loads--due to more vehicles--than the other slab? Read more

Problem Clinic Concrete Drilling Map

I'm looking for information about drilling holes into concrete. A number of tool manufacturers have alluded to a geological map of the United States that shows the varying hardness of concrete across the country. Read more

Problem Clinic Movement in Parking-Deck Expansion Joints

Do expansion joints between parking-deck slabs allow for differential vertical slab movement when one slab carries much greater loads -- due to more vehicles -- than the other slab? Read more

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