2. The following results were obtained from sieve analysis of sediment samples A and B. Hydrometer tests were conducted on the materials that passed through sieve 200 for Soils A and the ratio of clay to silt is 4:1. Plot the particle size distribution curves on the same graph. Determine the effective size d₁0, average sediment size d50, and compute for the gradation of the sediment mixture og and gradation coefficient Gr. Sieve No. Opening (mm) 4 10 20 40 100 200 pan 4.75 2.0 0.85 0.425 0.15 0.075 Mass retained (g) Sediment Sample A 0.0 20.2 25.7 40.4 18.1 27.2 68.2 Sediment Sample B 0.0 48.2 19.6 60.3 37.2 22.1 5.6
2. The following results were obtained from sieve analysis of sediment samples A and B. Hydrometer tests were conducted on the materials that passed through sieve 200 for Soils A and the ratio of clay to silt is 4:1. Plot the particle size distribution curves on the same graph. Determine the effective size d₁0, average sediment size d50, and compute for the gradation of the sediment mixture og and gradation coefficient Gr. Sieve No. Opening (mm) 4 10 20 40 100 200 pan 4.75 2.0 0.85 0.425 0.15 0.075 Mass retained (g) Sediment Sample A 0.0 20.2 25.7 40.4 18.1 27.2 68.2 Sediment Sample B 0.0 48.2 19.6 60.3 37.2 22.1 5.6
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
The following results were obtained from sieve analysis of sediment samples A and B.
Hydrometer tests were conducted on the materials that passed through sieve 200 for Soils A
and the ratio of clay to silt is 4:1. Plot the particle size distribution curves on the same graph.
Determine the effective size d10, average sediment size d50, and compute for the gradation
of the sediment mixture σg and gradation coefficient Gr.
| Sieve no. | 4 | 10 | 20 | 40 | 100 | 200 | pan |
| Opening (mm) | 4.75 | 2.0 | 0.85 | 0.425 | 0.15 | 0.075 | |
| Mass retained (g) | |||||||
| Sediment sample A | 0.0 | 20.2 | 25.7 | 40.4 | 18.1 | 27.2 | 68.2 |
| Sediment sample B | 0.0 | 48.2 | 19.6 | 60.3 | 37.2 | 22.1 | 5.6 |
Transcribed Image Text:2. The following results were obtained from sieve analysis of sediment samples A and B.
Hydrometer tests were conducted on the materials that passed through sieve 200 for Soils A
and the ratio of clay to silt is 4:1. Plot the particle size distribution curves on the same graph.
Determine the effective size d₁0, average sediment size d50, and compute for the gradation
of the sediment mixture og and gradation coefficient Gr.
Sieve No.
Opening (mm)
4
10
20
40
100
200
pan
4.75
2.0
0.85
0.425
0.15
0.075
Mass retained (g)
Sediment Sample A
0.0
20.2
25.7
40.4
18.1
27.2
68.2
Sediment Sample B
0.0
48.2
19.6
60.3
37.2
22.1
5.6
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