The Fineness Modulus (FM) is a single number that is used to determine the aggregate distribution. The lower the Fineness Modulus the smaller the average particle size and the larger the fineness modulus the larger the average particle size. The Fineness Modulus is typically used to describe sand and is an input to the ACI 211 mixture design method.
This video explains what the Fineness Modulus is and how people use it. The video also shows the challenges with the Fineness Modulus and how the Tarantula Curve can be used to give more insights into the sand performance in concrete.
Tarantula Curve Playlist:
• Overview of the Tarant...
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2 окт 2024