ASTM C172-19a: Standard Practice for Sampling Freshly Mixed Concrete
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- เผยแพร่เมื่อ 30 ก.ค. 2024
- This presentation reviews the procedures for sampling freshly mixed concrete from various mixer types. This video is helpful in preparing for concrete certification programs.
Thank you for this educative information. Especially for me laboratory work.
If the concrete contains course aggregate particles that would be retained on a ___ siev, wet-sieve a sufficient amount of the representative sample over a ___ sieve, as described in practice C172.
A) 1", 1.5"
B) 1.5", 2"
C) 2", 2"
D) 2", 1.5"
I have it narrowed down to either A or B, leaning towards A but my book is so faded I can barely read certain sections. Anyone able to help me out?
Very Educative and Informative thanks for sharing.
Very good video I thought it was comprehensive and gave a lot of good tips do you need