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CALCULATION AND PLOTTING TOOLS
Fineness Modulus of Fine, Coarse or Combined Aggregates

Calculation and Plotting Tools - Three Sample Traces

Fineness Modulus of Fine, Coarse or Combined Aggregates

Standard ASTM C 136M-14

Fineness Modulus (FM) is an index of the fineness of an aggregate. In general, the higher the FM, the coarser the aggregate.

Fineness Modulus - The Fineness Modulus (FM) of fine, coarse, or combined aggregate is calculated by adding the cumulative percentages by mass retained on each of a specified series of sieves and dividing the sum by 100. The specified sieves for determining FM are: 150 μm (No. 100), 300 μm (No. 50), 600 μm (No. 30), 1.18 mm (No. 16), 2.36 mm (No. 8), 4.75 mm (No. 4), 9.5 mm (3⁄8 in.), 19.0 mm (3⁄4 in.), 37.5 mm (11⁄2 in.), 75 mm (3 in.) and, 150 mm (6 in.).

This TransCalc tool can be used to calculate and plot the Fineness Modulus of upto three samples with reference to a selected specification. The input data can also be saved in the form of a pdf report. The plots are interactive and can be zoomed in or out and hovered over for additional data display. The plot can be saved by using the toolbars located on the top right of each plot. Please make use of the help texts provided in each input cell for further guidance on the usage of this tool.

Input - Project & Sample Details

Please enter the Project Details to appear on the generated pdf report.

Please enter the plot title to appear on the generated particle size distribution (PSD) plot.

Please enter the plot subtitle to appear on the PSD plot.

Please enter the specification name to for grading limits to appear on the legend section of the PSD plot.

Please enter the Sample Details to appear on the generated pdf report.

Please enter the trace name to appear on the legend section of the PSD plot.

Please enter the trace name to appear on the legend section of the PSD plot.

Please enter the trace name to appear on the legend section of the PSD plot.

Please enter brief remarks to appear on the generated pdf report.


Input Table - Fineness Modulus Calculation and PSD Plots

Sieve Size, mm Perc. Passing
Sample-A
Perc. Passing
Sample-B
Perc. Passing
Sample-C
Specification
Upper Limit
Specification
Lower Limit
150.0
75.0
37.5
19.0
9.5
4.75
2.36
1.18
0.600
0.300
0.150


FINENESS MODULUS

Fineness Modulus - Sample A:

Fineness Modulus - Sample B:

Fineness Modulus - Sample C:

PARTICLE SIZE GRADING COMPARISON - CHART



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