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the addition of pop to a normal sand-cement mix serves to reduce the setting time – that is, the mix hardens more quickly, though with a corresponding

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183. Chapter 10 Batching, Mixing, Transporting, and Handling Concrete. setting becomes a persistent problem, a retarder may be used to control early hydration ...

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# Plan your concrete project carefully. ... so not having the best equipment ... # Mix Portland cement and sand at a 1:2 or 1:3 ratio in your mixing container.

Concrete definition: Concrete is a substance used for building which is made by mixing together cement, sand,... ... Italian: concreto;

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