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Let concrete pumping easier

Pumpable concrete pumping concrete should meet the requirements of the pump can, when necessary to determine the mixing ratio by pumping concrete pumping test.

The maximum ratio of coarse aggregate particle diameter and transport shall be as follows: when the pumping height of 50m below the gravel not more than 1: 3, for a pebble not greater than 1: 2.5; pumping height of 50 ~ 100m, the preferably from 1: 3 to 1: 4 range; pumping height at 100m or more, preferably from 1: 4 to 1: 5 between. Flakiness particle content of not more than 10%.