U.S. needs safer bridges. Super strong concrete could help
Clip: 02/12/2020 | 5m 26s Video has closed captioning.
There's a dire need to repair aging infrastructure in the U.S., and an innovative building material could be a game changer. Embedded with steel fibers, ultra-high performance concrete is about five to 10 times stronger than standard concrete -- and unaffordable for most government-funded projects. Special correspondent Cat Wise reports from Iowa on how researchers are working to bring costs down.
Aired: 02/12/20
The full episode is no longer available for online streaming. Why?
Please continue to enjoy extra(s) from this episode.
PBS NewsHour
U.S. needs safer bridges. Super strong concrete could help
Problems Playing Video? | Closed Captioning
