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Answer:
Fineness Modulus is used to know the size of aggregate grains (Particles) for various measurements used in Civil Engineering.
To characterize the overall coarseness or fineness of an aggregate, a concept of fineness modulus is developed. The Fineness Modulus is defined as
Fineness Modulus =
Σ(Cumulative Retained Percentage)
100
To calculate the fineness modulus, the sum of the cumulative percentages retained on a definitely specified set of sieves needs to be determined, and the result is then divided by 100. The sieves specified for the determination of fineness modulus are No. 100, No. 50, No. 30, No. 16, No. 8, No. 4, 3/8", 3/4", 1.5", 3", and 6".
Mirza Usman
http://www.facebook.com/Mirza.Usman.Blogger
To characterize the overall coarseness or fineness of an aggregate, a concept of fineness modulus is developed. The Fineness Modulus is defined as
Fineness Modulus =
Σ(Cumulative Retained Percentage)
100
To calculate the fineness modulus, the sum of the cumulative percentages retained on a definitely specified set of sieves needs to be determined, and the result is then divided by 100. The sieves specified for the determination of fineness modulus are No. 100, No. 50, No. 30, No. 16, No. 8, No. 4, 3/8", 3/4", 1.5", 3", and 6".
Mirza Usman
http://www.facebook.com/Mirza.Usman.Blogger
First answer by Mirzausman.
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