Shotcrete

SR 11, Chuckanut Drive rockslide by wsdot.
The smooth side of this wall is actually shotcrete, a spray-on concrete. Fascinating! I wasn’t aware that concrete could be sprayed on.

SR 11, Chuckanut Drive rockslide by wsdot.
The smooth side of this wall is actually shotcrete, a spray-on concrete. Fascinating! I wasn’t aware that concrete could be sprayed on.