Properties of concrete containing a superretarder
By T. Takeuchi and S. Nagataki

Concrete Journal, Vol.37, No.11, Nov.1999


Synopsis
Superretarders are used for retarding setting of concrete for a desired period to integrate construction joints and extending the placeable time of concrete. This paper describes the components, performance and mechanism of superretarders and properties of concrete containing a superretarder based on the literature and state-of-the-art technology in anticipation of expanding the horizons of their conventional and new applications.
Keywords:
concrete, effective use, setting, slump retention, superretarder.

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