Solid Information: Chemical composition can determine concrete's durability
By Aimee Cunningham, 15:55 PM April 15, 2008
A new analysis reveals how damage progresses in concrete that's exposed to sulfate, a nearly ubiquitous compound. The work could lead to the design of concrete structures with improved durability, the report's author says.
Concrete is made with Portland cement, a powdery mixture of crushed limestone and clay or shale. When the cement is mixed with water and added to gravel and sand, the resulting slurry hardens into concrete.
Portland cement consists primarily of four minerals: tricalcium sili...
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