Method of preparing mortar or concrete
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United States of America Patent
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-
Aug 18, 1987
Issued Date -
N/A
app pub date -
Oct 16, 1985
filing date -
Jan 18, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus of measuring water percentages of a fine aggregate comprising the steps of prewetting the fine aggregate, containing the prewetted fine aggregate in an air-tightly closed container, applying a centrifugal force to said container over a predetermined period to remove a portion of a quantity of water deposited on the fine aggregate, and measuring the water content remaining in or on the fine aggregate after being subjected to the centrifugal force, and thus determining a percentage of water adhered to the fine aggregate and a percentage of water of the fine aggregate in which interstice thereof is saturated with water while a surface thereof is dry.
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