Cheap, ultra-high performance concrete

Though Ultra High-Performance Concrete (UHPC) is generally expensive, a University of Michigan professor has concocted a non-proprietary blend at Michigan's Department of Transportation's Request. https://news.engin.umich.edu/2017/12/...
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A key ingredient in UHPC is steel fibers, which boost strength. In addition, research team is boosting concrete durability – a property measured in freeze-thaw cycles. Ordinary concrete tested in the lab showed deterioration at 28 freeze-thaw cycles. The team’s UHPC blend showed virtually no deterioration after 90 cycles.

This project is led by Sherif El-Tawil, professor of civil and environmental engineering.
https://cee.engin.umich.edu/people/sh...

Read more about UHPC:
http://www-personal.umich.edu/~eltawi...

Read the paper:
"Crack Propagation Speed In Ultra High Performance Concrete (UHPC)," Accepted for Publication in the Journal of Construction and Building Materials (2015).

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