a. The following data was obtained from Liquid Limit Test conducted at a Soil Lab. Using the data given in Table 01, determine the following; Table 01: Liquid Limit Test data for the particular soil sample Liquid Limit Determination Specimen No. 1 No. of Blows 14 Wt. of Container 7.10 Wt. of Container + Wet Soil (g) 27.90 Wt. of Container + Dry Soil (g) 21.30 Unit 2 3 20 28 7.30 7.70 27.30 28.40 21.20 22.30 4 32 10.90 30.10 24.60 5 39 7.20 26.50 21.10 i. Determine the Liquid Limit and Flow Index ii. If Plastic Limit of this soil is 22. Classify the soil based on BS Soil Classification system.

a. The following data was obtained from Liquid Limit Test conducted at a Soil Lab. Using the data given in Table 01, determine the following; Table 01: Liquid Limit Test data for the particular soil sample Liquid Limit Determination Specimen No. 1 No. of Blows 14 Wt. of Container 7.10 Wt. of Container + Wet Soil (g) 27.90 Wt. of Container + Dry Soil (g) 21.30 Unit 2 3 20 28 7.30 7.70 27.30 28.40 21.20 22.30 4 32 10.90 30.10 24.60 5 39 7.20 26.50 21.10 i. Determine the Liquid Limit and Flow Index ii. If Plastic Limit of this soil is 22. Classify the soil based on BS Soil Classification system.

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter4: Plasticity And Structure Of Soil

Section: Chapter Questions

Problem 4.5P: The following data were obtained by conducting liquid limit and plastic limit tests on a soil...

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2a. The following data was obtained from Liquid Limit Test conducted at a Soil Lab. Using the data given in Table 01, determine the following; Table 01: Liquid Limit Test data for the particular soil sample Liquid Limit Determination Specimen No. No. of Blows Wt. of Container Wt. of Container + Wet Soil Wt. of Container + Dry Soil i. ii. Unit 1 14 7.11 (g) (g) (g) 21.31 27.91 2 20 7.31 27.31 21.21 3 28 7.71 28.41 22.31 4 32 10.91 30.11 24.61 5 39 7.21 26.51 21.11 Determine the Liquid Limit and Flow Index If Plastic Limit of this soil is 22. Classify the soil based on BS Soil Classification system. I
Paragraph Liquid Limit Determination Specimen No. No. of Blows Wt. of Container Wt. of Container + Wet Soil Wt. of Container + Dry Soil İ. ii. a. The following data was obtained from Liquid Limit Test conducted at a Soil Lab. Using thedata given in Table 01, determine the following; Table 01: Liquid Limit Test data for the particular soil sample Unit (g) (g) (g) 1 14 7.13 27.93 T Body Text T Heading 1 T List Para... T No Spac... 21.33 2 20 7.33 27.33 21.23 3 28 7.73 28.43 22.33 F/QAP/021/004 4 32 10.93 Styles 30.13 24.63 5 39 7.23 26.53 21.13 Determine the Liquid Limit and Flow Index If Plastic Limit of this soil is 22. Classify the soil based on BS Soil Classification system. T Norma
2b. 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 system
Q': A- Classification tests have been performed on a soil sample and the grading curve that shown in (Fig. 1) and Atterberg limits obtained. Classify the soil using the USCS? L.L=32 and P.L=26 100 80 60 40 20 Fig. 1 0.1 1 Particle size (mm) 0.0001 0.001 0.01 10 100 % Finer
Q5: Determine the soil particle density of the total soil sample based on the data given Satisfactory in Table 3A, Table 3B and Table 3C. Assume that the fine fraction of the total sample was 70% and the coarse fraction of the total sample was 30%. Table 3A: Data from density bottle tests Sample number Temperature (°C) Density bottle number Mass of empty bottle, m₁ (g) Mass of bottle + dry soil, m2 Mass of bottle + soil + water, m3 (g) Mass of bottle + water, m4 (g) The apparent density of the fine fraction (g/cm³) Table 3B: Data from weighing in water tests Sample number Temperature in °C Mass of dry soil particles, m5 (g) Equivalent mass of wire basket immersed in water, m. (g) Equivalent mass of wire basket and soil particles immersed in water, m7 (9) The soil particle density of coarse fraction (g/cm³) °C 15 16 17 Density of water (p) at various temperatures g/cm³ 18 19 20 21 22 Table 3C: Variation of density of water with temperature (AS 1289.3.5.1 - 2006) 0.9991 0.9989 0.9988…
b) Additional representative samples were tested to further classify the soil by means of Atterberg's limits tests. The laboratory technician reported the following measurements (see Tables 2 and 3): 123 2 Table 2. Plastic limit test measurements Plastic limit determination Set number 1 4 5 Set number 1 2 3 4 Mass of container (g) 20.1 22.4 21.2 23.0 Mass of container with wet soil (g) 30.0 29.3 31.0 35.8 Table 3. Liquid limit test measurements Liquid limit determination Mass of Mass of container container with wet with dry soil soil (g) (g) 45.2 38.4 47.3 40.3 50.9 42.0 51.4 41.8 53.2 43.4 Mass of container (g) 21.2 23.2 20.8 20.3 22.1 Mass of container with dry soil (g) 28.4 28.1 29.4 33.8 Cone penetration (mm) 15.5 18.0 19.4 22.2 24.9 Determine the value of the plastic limit, liquid limit, then calculate the plasticity index and use it to further classify the soils. Also comment on the practical implications of such a result if the natural moisture content of the soil is 36.4%.
Q5: Determine the soil particle density of the total soil sample based on the data given in Table 3A, Table 3B and Table 3C. Assume that the fine fraction of the total sample was 70% and the coarse fraction of the total sample was 30%. Table 3A: Data from density bottle tests Sample number Temperature (°C) Density bottle number Mass of empty bottle, m. (g) Mass of bottle + dry soil, m₂ (g) Mass of bottle + soil + water, m3 (g) Mass of bottle + water, m. (g) The apparent density of the fine fraction (g/cm³) (PC 3.5, 4.2, RS 6, RK 36) Table 3B: Data from weighing in water tests Sample number Temperature in °C Mass of dry soil particles, ms (g) Equivalent mass of wire basket immersed in water, m, (g) Equivalent mass of wire basket and soil particles immersed in water, m, (g) The soil particle density of coarse fraction (g/cm³) °C 15 16 17 892 22 18 19 Table 3C: Variation of density of water with temperature (AS 1289.3.5.1 - 2006) Density of water (P) at various temperatures g/cm³ °℃ 23 20…
The same soil sample has a natural moisture content of 30% and was subject to the Atterberg Limits test. The plastic limit was measured as 27 while the liquid limit test shows the results in the table below. Number of Blows 42 26 10 Moisture Content 20 32 45 a. Determine the liquid limit of the soil sample. Show and briefly explain how you got the answer. b. Solve and describe the Plasticity Index of the soil sample. c. Determine value and soil state of the liquidity index of the soil sample. d. Determined and describe the clay activity of the soil sample.
Find the missed data and give the result of Fineness Modulus of sample soil data given below. Weight Percentage Cumulative Percentage finer Sieve retained Weight retained percentage N = (100 - C) S.NO size retained (C) Select one: (gm) (gm) O a. 7.824 1 75mm O b. 9.438 63mm O c. 8.142 3 50mm O d. 7.649 4 37.5mm 28mm 123 6.15 6.15 6 20mm 107 5.35 11.50 7 14mm 208 10.4 21.9 8 10mm 56 2.8 24.7 6.3mm 3.9 10 5.0mm 92 4.6 33.2 11 3.35mm 308 15.4 48.6 12 2.0mm 223 11.15 59.75 13 1.18mm 188 9.4 69.15 14 600µ 282 14.1 83.25 15 300µ 96 4.8 88.05 16 150µ 88 4.4 92.45 17 75µ 103 5.15 97.6 18 pan 48 2.4 100
(b) Classification tests for the determination of the particle size distribution of a soil produced the following results: Particle Size % finer (mm) 99 2.36 80 1.3 63 0.6 33 0.2 10 0.075 3 0.02 Then using cone penetrometer for Liquid Limit test, the results were recorded as follows. Cone penetration 15.9 17.7 19.1 20.3 22.5 (mm) Water 32.6 42.9 51.6 59.8 66.2 content (%) While the plastic limit test conducted for the same soil recorded as below:- Test No. 1 2 3 Wet soil 10.01 11.23 9.72 Dry soil 8.02 9.01 7.72 SKAA 1713 4 i) Plot the grain size distribution curve on the log graph that has been provided (Figure 2b). Calculate the uniformity coefficient, Cu and the coefficient of gradation, C, for the soil sample. Determine the plastic limit, the liquid limit and the plasticity index of the soil. Plot the graph to help you obtain the results (if necessary). ii) iii)
Q1: Use the USCS to Classify the soil sample with the following data: % passing 4.75 mm Sieve = 64 % passing 75- Sieve =4 Uniformity Coefficient= 7.5 Coefficient of Curvature=2.7 Plasticity index = 2.5 Solution: Q2: Use the USCS to Classify the soil samples with the following data dalla Soil LL PL Group Symbol Soil Name 15 35 25 ABC 8. ८८ 25 45 65 2-Seepage velocity (m/s) = 70 3- Flow rate in (m3/s) = oss and dry ng www Parmbly & volume change decrease Campering wes Toughness and dry strength dease Presby & val change in 10 20 30 40 50- 60 Liepakt. 70 80 Atra -0.73 (W₂-201 90 Q3: For the soil shown below the hydraulic conductivity is (3 m/day). The sample diameter is 1.5 m. The porosity is (30%). Find: 1- Flow velocity (m/s)== 100 110 120 Soil 4 m ITE
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