Keyword: "construction materials"

Fitness Center Features Floating Roof
By Andrew Cohen, May 2008
On first glance, it seems the roof of the HealthRidge Fitness Center is floating. As with most tricks, figuring out how it's done is easy when you look more closely.

Concrete Evidence
By Michael Popke, 8/1/2003
The simple mixture of cement, water and aggregate remains a key building block in modern sports facilities