Friday, July 12, 2013

High-tech cement for extreme tasks - TUM-chair for construction materials



Concrete is almost always a solid choice.

(Sorry...)

The video seems to use the terms concrete and cement fairly interchangeably. I know they're not the same (cement being a component of concrete), but I'll admit to making the same mistake myself quite frequently.

This might be a good video to show somewhere along the way with the cement hockey pucks lab as they use various additives with cement to change the properties of the cement pretty drastically, making the cement easier to pump, slower setting, better able to retain water, or more resistant to pressure or CO2.

By the way, in the fluidity test, does the reddish additive (shown being measured at 3:49) really say Magic Compound on the paper (see 3:55)?

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