UNDERSTANDING THE PUMPABILITY OF CONCRETE

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  • What Makes Concrete Pumpable?| Concrete Construction Magazine

    Nov 01 1991 · For best pumpability coarse aggregate grading should fall in the center of the gradation specifications. Porosity will affect pumpability if a significant amount of mix water is absorbed by the aggregate during pumping. When absorption causes problems one solution is to thoroughly wet the aggregate stockpiles before batching the concrete.

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  • UNDERSTANDING THE PUMPABILITY OF CONCRETE - CORE

    This article presents some of the most recent research on the understanding of the key parameters affecting concrete mobility and stability under pressure i.e. pumpability. Taking into account the mechanics of full size pumping equipment the concept of Real Paste Content is introduced as a minimal quantity of effective paste under pressure ...

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  • Understanding The Pumpability of Concrete | Concrete ...

    CONCRETE PUMPING The pumpability of concrete is not an easy concept to define and requires the introduction of notions such as stability and mobility under pressure to do so. In general concrete pumpability is defined as the capacity of a concrete under pressure to be mobilized while maintaining its initial properties (Gray (1) Beaupr (2)).

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