2. Three samples of aggregates are sieved to obtain the grading curve. A set of different sieves is stacked with the coarsest mesh at the top. The aggregate is then placed in the top sieve and the stack is placed in a sieve shaker. The raw data is as follows: Sieve size (mm) 19 9.5 4.75 2.36 1.18 0.6 0.3 0.15 Pan Mass of sieve (g) 670 620 620 570 570 520 520 520 490 Mass of sieve + aggregates retained (g) Sample B Sample A 670 770 820 740 720 770 720 570 525 670 1820 620 570 570 670 720 620 544 Sample C 670 620 620 670 770 720 620 620 506

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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For Sample A: -Plot the grading curve. -Identify the type of gradation. -Determine the fineness modulus.
2. Three samples of aggregates are sieved to obtain the grading curve. A set of different sieves is stacked with
the coarsest mesh at the top. The aggregate is then placed in the top sieve and the stack is placed in a
sieve shaker. The raw data is as follows:
Sieve size (mm)
19
9.5
4.75
2.36
1.18
0.6
0.3
0.15
Pan
Mass of sieve (g)
670
620
620
570
570
520
520
520
490
Mass of sieve + aggregates retained (g)
Sample B
Sample A
670
770
820
740
720
770
720
570
525
670
1820
620
570
570
670
720
620
544
Sample C
670
620
620
670
770
720
620
620
506
Transcribed Image Text:2. Three samples of aggregates are sieved to obtain the grading curve. A set of different sieves is stacked with the coarsest mesh at the top. The aggregate is then placed in the top sieve and the stack is placed in a sieve shaker. The raw data is as follows: Sieve size (mm) 19 9.5 4.75 2.36 1.18 0.6 0.3 0.15 Pan Mass of sieve (g) 670 620 620 570 570 520 520 520 490 Mass of sieve + aggregates retained (g) Sample B Sample A 670 770 820 740 720 770 720 570 525 670 1820 620 570 570 670 720 620 544 Sample C 670 620 620 670 770 720 620 620 506
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