Described when it was new as one of the most colossal undertakings in the history of American sculpture, the Fountain of Time is a cast-in-place exposed aggregate concrete work of art. Read more
Many of us believe cast-in-place, reinforced concrete construction is more economical and presents compelling advantages over competing forms of construction for large multistory buildings and for other building frames as well. Read more
In 1984, the Concrete Reinforcing Steel Institute (CRSI) issued a set of suggested project specifications provisions for epoxy-coated reinforcing bars. Read more
Changes in the steel construction and design codes allow much lighter steel frames before concrete than previously considered practical. This is done by using thinner, narrower steel sections and by allowing higher stresses in them. Read more
How is the strength-gain potential of fresh concrete affected by early freezing? In the article, results of an experiment to study this question are given. Read more
Cold weather concreting presents some special problems, especially if temperatures are below freezing. Cold weather concreting practices should: prevent damage caused by freezing at early ages; protect concrete until it reaches necessary strength levels; allow concrete to cool gradually when protection is removed so that a rapid temperature drop doesn't cause it to crack. Read more
The stalls in our company parking lot have become unsightly because of oil stains that have accumulated over many years. Is there an effective way to remove the stains? Read more