Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN: 9781305970939
Author: Braja M. Das, Khaled Sobhan
Publisher: Cengage Learning
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Chapter 17, Problem 17.2P
To determine
Find the area ratio for each case and determine the suitability for each sampler for the given soil characterization tests.
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The table shows the laboratory result of the sieve analysis of the sample. Determine the
percent finer at size 0.74 and 0.004. Determine also the soil classification using AASHTO.
Weight
Retained
18.96
Size (mm)
0.25
0.149
0.074
0.052
0.02
33.18
45.03
54.51
42.66
0.01
11.85
0.004
0.001
Pan
4.74
4.74
21.33
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Chapter 17 Solutions
Principles of Geotechnical Engineering (MindTap Course List)
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- From the given data, shows a sieve analysis of soil samples A, B and C. Classify the soil sample A using USCS method (Group Symbol only), D60=2.3, D10 = 0.17, D30 = 0.70 Classify the soil sample B using AASHTO method Classify the soil sample C using the AASHTO methodarrow_forwardConsider that a 58.7 gram sample of dry soil is used in making a mechanical analysis by using the hydrometer method. The laboratory was held at a constant temperature of 20 C (68 F). The 40 s hydrometer reading was found to be 32.5 and the 8 hr hydrometer reading was 15.5. The percentage of sand in this soil sample is (note, a 58.7 gram sample is used here): Your Answer: Answer unitsarrow_forwardThe following data represent the results obtained from the specific gravity (S.G.) test performed in a soil laboratory including twenty sand samples. The value of mode is 2.65. * Specific Gravity Number of Samples 2.30-2.39 1 2.40-2.49 2.50-2.59 2.60-2.69 2.70-2.79 2.80-2.89 1 47arrow_forward
- (c) (ii) A soil sampler has following dimensions: Inside diameter of cutting edge = 69 mm Outside diameter of cutting edge = 73 mm Inside diameter of sampling tube = 70 mm Outside diameter of sampling tube = 72 mm Compute: (i) Inside clearance (ii) Outside clearance (iii) Area ratioarrow_forwardShow complete solution.arrow_forward1. List the given required. 2. Graph if necessary. 3. Box the final answer.arrow_forward
- Determine the percentage of the following types of soil in the sample;(i) Gravel(ii) Coarse –grained sand(iii) Medium grained sand(iv) Fine grained sand(v) Fines (silt + clay)arrow_forward2b. The following data was obtained from Sieve Analysis conducted at a Soil Lab. Using the data given in Table 02 determine: Table 02: Sieve analysis data of coarse-grained soil i. ii. iii. + Sieve Opening (mm) 20 10 4.75 2.36 1.18 0.6 0.3 0.15 0.075 Pan Mass of Soil Retaining on each Sieve (g) 5.21 20.21 180.21 360.21 280.11 70.11 50.21 17.21 10.11 8 Percentage of clay, silt, sand and Gravel in the soil sample Uniformity coefficient and coefficient of curvature Classify the soil according to BS soil classification systemarrow_forwardQuestion 8 (1) - Oedometer test What are the boundary conditions applied to a soil sample tested in an Oedometer? Z H a) Pore water pressure at z = H (top of the sample) is PH = Yw. H b) Ez = Ex c) &z=&v (₂ is the volumetric strain of the sample) d) At time t=0, 4p = 0arrow_forward
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