Problem 3The following data shows the results of the liquidlimit and the plastic limit testa. What is the water content of the soil for testNo.3 based on the liquid?b. What is the plastic limit of the soil sample?What is the plasticity index of the soilsample if the liquid limit is 43?C. A. LIQUID LIMITTestNumberNo. ofblowsWt of wetsoil +ContainerWt of Drysoil +ContainerWt ofContainer139B.C.Wt of Wet SoilWt of Dry Soil +ContainerWt of ContainerPLASTIC LIMITTest Number22.24 g 21.19 g 21.27 gWt of Wet Soil +Container19.44 g 18.78 g 18.75 g.Wt of Dry Soil +Container12.74 g 13.24 g 13.06 g223C. NATURAL WATER CONTENTTest Number $114.84 g17.53 gWt of Container 7.84 g3122.12 g20.42 g13.07 g202426.12 g22.10 g27.5 g1313.27 g21.84 g20.19 g16.97 g14.36 g13.18 g

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Problem 3 The following data shows the results of the liquid limit and the plastic limit test a. What is the water content of the soil for test No.3 based on the liquid? What is the plastic limit of the soil sample? What is the plasticity index of the sail sample if the liquid limit is 43? b. C.

Problem 3 The following data shows the results of the liquid limit and the plastic limit test a. What is the water content of the soil for test No.3 based on the liquid? What is the plastic limit of the soil sample? What is the plasticity index of the sail sample if the liquid limit is 43? b. C.

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 4.6P: Refer to the soil in Problem 4.5. Using the Casagrande plasticity chart, graphically estimate the...

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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…
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.
Problem 3 The following data shows the results of the liquid limit and the plastic limit test a. What is the water content of the soil for test No.3 based on the liquid? What is the plastic limit of the soil sample? What is the plasticity index of the soil sample if the liquid limit is 43? LIQUID LIMIT b. c. A. Test Number No. of blows Wt of wet soil + Container Wt of Dry soil + Container Wt of Container B. C. 1 39 2 23 22.24 g 21.19 g 21.27 g PLASTIC LIMIT Test Number Wt of Wet Soil WLof Dry Soil + Container Wt of Container 19.44 g 18.78 g 18.75 g. C. NATURAL WATER Test Number 11 Wt of Wet Soil + Container 12.74 g 13.24 g 13.06 g 3 20 17.53 g 1 22.12 g 20.42 g 13.07 g CONTENT Wt of Dry Soil + Container Wt of Container 7.84 g 14.84 g 2 4 13 26.12 g 22.10 g 13.27 g 2 21.84 g 20.19 g 13.18 g 16.97 g 7.5 g 14.36 g
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…
SITUATION 1 A sample of soil has the following grain- size characteristics given below. Determine the following: (a) Percentage of silt. (b) Soil classification using the Triangular Classification Chart. (c) Determine the activity classification if the plasticity index is 34%. Grain- size for Situation 1 SIZE (mm) PERCENT PASSING 2.000 100 0.075 74 0.050 60 0.005 32 0.002 15
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%.
ASAP
2. Interpret the results of the proctor test in table 1 and plot the images of the optimum moisture content values and maximum dry specific gravity of the soil (Gs value = 2.7)! Table 1. Soil Standard Proctor Test Results Data A Soil mass (KG) 1,54 1,65 1,76 1,8 1,68 1,60 W(%) 11 13 16 17 19 18 3. A landfill as a boundary for a landfill requires a density of >90%, then determine the range of water content values in the field that must be achieved for the landfill! 4. Calculate the value of the void ratio at the optimum moisture content in soil A!
1. Two soil samples A and B were found to have the physical properties shown in Table 1. Check the statement (true or false): void ratio of sample A is greater than void ratio of sample B. Show, using a phase diagram, the process by which you have arrived at your answer. Table 1. Results of physical properties. Sample A 15 2.75 50 Physical Properties Moisture content, w (%) Specific gravity of solids, Gs Degree of saturation, St (%) Sample B 6 2.68 30
PROBLEM 8: The particle size distribution curve of a particular soil sample has the following values: Diameter corresponding to 10% finer D10 = 0.96 mm, diameter corresponding to 30% finer D30 = 0.16 mm and the diameter corresponding to 60% finer Dso = 0.24 mm. Determine the coefficient of uniformity and the coefficient of gradation. SITUATION 2: From the following data of a given sieve analysis: Sieve Opening Percent (mm) 4.76 2.38 2.0 0.71 0.25 0.149 0.074 passing 90 64 58 30 22 No. #4 # 8 #10 # 25 # 60 #100 # 200 10 4
Problem Set 4 4. The following data were obtained from the liquid and plastic limit tests for a soil: Liquid Limit Test: Number of blows (N) Molsture content (%) a) Draw the flow curve from the liquid limit test data and find the liquid limit. (use excel to graph) b) What is the plasticity index of 17 42.1 22 38.2 27 36.2 32 34.1 Plastic Limit Test: Moisture content = 21.3% the soil?