Calculate the fineness modulus, when required, by adding the total percentages of material in the sample that is coarser than each of the following sieves (cumulative percentages retained), and dividing the sum by 100: 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.), and larger, increasing in the ratio of 2 to 1. Coarse AggregatesCumulativeSieve SizeMassMass%Specification %% PassingRemarks(inch)3"Retained (g) Passing (g)RetainedPassing2-1/2"2"1-1/2"1"1012.5100%0%1003/4"1/2"3/8"30.598296.99%3.01%90-10056741540.99%56%20-55354.560.55.98%35.01%0-15#440.5201.98%4%0-5# 810.59.50.94%1.04%#169.50%0.94%#30#50#100# 200PanMass of SampleMass of oven dry sampleMass of washed oven dry sample1056.5 g1015.0 g1012.5 gMoisture content3.93%Maximum Nominal Size3/4"

A sieve analysis is a logical procedure used to decide the molecule size dissemination of granular…

Answered: Calculate the fineness modulus, when…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Calculate the fineness modulus, when required, by adding the total percentages of material in the
sample that is coarser than each of the following sieves (cumulative percentages retained), and dividing
the sum by 100: 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.), and larger, increasing in the
ratio of 2 to 1.

Coarse Aggregates
Cumulative
Sieve Size
Mass
Mass
%
Specification %
% Passing
Remarks
(inch)
3"
Retained (g) Passing (g)
Retained
Passing
2-1/2"
2"
1-1/2"
1"
1012.5
100%
0%
100
3/4"
1/2"
3/8"
30.5
982
96.99%
3.01%
90-100
567
415
40.99%
56%
20-55
354.5
60.5
5.98%
35.01%
0-15
#4
40.5
20
1.98%
4%
0-5
# 8
10.5
9.5
0.94%
1.04%
#16
9.5
0%
0.94%
#30
#50
#100
# 200
Pan
Mass of Sample
Mass of oven dry sample
Mass of washed oven dry sample
1056.5 g
1015.0 g
1012.5 g
Moisture content
3.93%
Maximum Nominal Size
3/4"

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