Has the entrainment of air in concrete any advantages besides increasing its resistance to freezing and thawing? Read more
In your September issue you listed as the possible causes of dusty concrete floors: improper finishing and curing, low cement content, and insufficient protection from freezing. What about overtroweling? Read more
In the light of what we know today about the undesirability of dry mixes, why were the early structures built with such mixes so successful? Read more
What is the legal meaning of a joint venture as applied to a construction project? What about liability? Read more
Is it desirable to place concrete at high temperatures during cold weather? Read more
How are flashing and roof felt handled in connection with a concrete parapet wall? Read more
Are travel and living expenses deductible from the income of construction workers who go from one community to another to work? Read more