Discussion
Which of the following ASTM standard covers the determination of portland cement content of a sample of hardened hydraulic-cement concrete ?
Answer: A
The standard is ASTM C 1084-10.
ASTM C1084 is the Standard Test Method for Portland-Cement Content of Hardened Hydraulic-Cement Concrete; the suffix 10 is the year of the edition. It estimates cement content from the soluble silica and calcium oxide of a crushed sample, and is used in disputes over whether concrete was made to specification, a matter of forensic engineering.
The other designations are different ASTM standards and do not cover the cement content of hardened concrete.
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