2. A sieve analysis was conducted on an aggregate with a nominal maximum aggregate size of 20 mm. The following data was obtained:
2. A sieve analysis was conducted on an aggregate with a nominal maximum aggregate size of 20 mm. The following data was obtained:
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![2. A sieve analysis was conducted on an aggregate with a nominal maximum
aggregate size of 20 mm. The following data was obtained:
Sieve size (mm) Mass retained (g)
37.5
26.5
80
19.0
120
9.5
800
4.75
1450
2.36
130
Pan
80
a) Find the percentage of passing on each sieve and plot the particle size distribution.
b) Show the Australian Standard (AS2758) upper and lower limits for this aggregate
type on the same plot. As per this standard, is the aggregate well-graded or poorly
graded?
c) What should we do if the aggregate is poorly graded?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2688c461-cd48-4661-9b96-b002dbe676f8%2F5e01a2c4-6f30-4d45-807b-eb96538c5daa%2Fk9h5py4_processed.png&w=3840&q=75)
Transcribed Image Text:2. A sieve analysis was conducted on an aggregate with a nominal maximum
aggregate size of 20 mm. The following data was obtained:
Sieve size (mm) Mass retained (g)
37.5
26.5
80
19.0
120
9.5
800
4.75
1450
2.36
130
Pan
80
a) Find the percentage of passing on each sieve and plot the particle size distribution.
b) Show the Australian Standard (AS2758) upper and lower limits for this aggregate
type on the same plot. As per this standard, is the aggregate well-graded or poorly
graded?
c) What should we do if the aggregate is poorly graded?
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