Walking on broken glass and happy about it

August 21, 2012


Recipe for Success: Recycled glass and cement

This article is a little shorter than most, but an engineering student came up with an innovative way to recycle glass.  We've provided 5 bell ringer questions with answers for your convenience.  Please pass this along to other teachers if you find it helpful.    



What gas is produced during the creation of cement?

carbon dioxide

What are 3 benefits of using finely milled glass in cement production?

additional strength, durability, and less moisture absorption

What percentage of the cement mix can be replaced with recycled glass and still be a good product?


What are two environmental benefits of using recycled glass in cement production?

Less waste for the landfill and less carbon dioxide production during cement creation

Are there any differences in appearance compared to traditional cement?

Lighter in color

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