4streets

Long distance concrete pumping

Long distance concrete pumping in tunnels brings economic, logistic and safety benefits, because this solution gets rid the truck mixer traffic inside the tunnels and allows a regularization of the production. On the other hand, there are a lot of technical issues to resolve. High pressure pumps and strong pipes are needed. Precautions are necessary to avoid the segregation and the clogging of the concrete in the pipes, and also for the pumping start.

1Long distance concrete pumping

Typical scheme of concrete pumping over long distances. A high-pressure pump feeds a remote-controlled robotic boom. The pipeline, with particular precautions, can be over 500m long.

2Long distance concrete pumping

A remote-controlled boom performing the concrete casting. The work area is not affected by the transit of truck mixers. The truck mixers unload the concrete remotely into the high-pressure concrete pump.

3 Long distance concrete pumping

Remote-controlled robotic boom while reaching the casting area.

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