Here's the very beginning of a small tunnel job here in California - they're using a few REED C50SS Shotcrete/Concrete Pumps to convey the shotcrete (with steel fibers) from the ready-mix truck to the robotic shotcrete arm that's spraying the material. They're using a separate chemical dosing pump to inject the accelerator chemicals into the nozzle to harden the shotcrete for overhead spraying. (REED also now offers a fully-synchronized chemical dosing pump option on all shotcrete pump models - see www.REEDpumps.com for more information)
Негізгі бет REED C50SS Shotcrete Pump - Tunnel Lining with Robotic Arm, California
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