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The ASTM C187 standard, titled "Standard Test Method for Amount of Water Required for Normal Consistency of Hydraulic Cement Paste," provides guidelines and procedures for determining the water content required to achieve normal consistency in hydraulic cement paste. This test is important for assessing the workability and setting characteristics of cement paste.
ASTM C187 outlines the testing method using a Vicat apparatus to measure the water content needed to achieve normal consistency. The consistency is determined by measuring the depth of penetration of a standard plunger into the cement paste.
Products associated with ASTM C187 include hydraulic cement samples, a Vicat apparatus with plunger and mold, and water measuring devices. The cement sample is mixed with varying amounts of water, and the consistency is measured using the Vicat apparatus.
By adhering to the ASTM C187 standard and utilizing associated products, engineers, researchers, and testing laboratories can determine the water content required to achieve normal consistency in hydraulic cement paste. This information aids in optimizing concrete mixtures, ensuring appropriate workability and setting characteristics for various applications.