Things are fixing to get real Pumping concrete with

Concrete Pumping - How to Pump Cement - The Concrete Network

Line length: Concrete being pumped through a line experiences friction with the internal wall of the pipeline. The longer the line the more friction encountered. For longer pumping distances the use of smooth-walled steel pipe can lower the resistance. The length of hose used at the end of the pipeline adds to the overall line length as well.

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Mix Design for Pumped Concrete with PPC OPC OPC+Flyash

Dump concrete into the pump-loading chamber pump at slow speed until concrete comes out at the end of the discharge hose and then speed up to normal pumping speed. Once pumping has started it should not be interrupted (if at all possible) as concrete standing idle in the line is liable to cause a plug.

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