Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN: 9781305635180
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 5, Problem 5.6P
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Find the maximum dry unit weight of compaction and the optimum moisture content.
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The results of a standard Proctor test are given in the following table. Determine the maximum dry unit weight of compaction and the optimum moisture content. Also determine the moisture content required to achieve 90% of ꙋd (max).
The results of a standard Proctor test are given in the following table. Determine the maximum dry unit weight of compaction and the optimum moisture content. Also determine the moisture content required to achieve 95% of γd(max). Calculate and plot the 80% and 100% saturation lines.
The results of a standard Proctor test are given in the following table. Determine the maximum dry density (kg/m3) of compaction and the optimum moisture content
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Fundamentals of Geotechnical Engineering (MindTap Course List)
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- Q7: The Table 4 shows the results of a Standard Proctor Compaction test. Satisfactory Y Based on the information provided, determine the following values. The maximum dry unit weight and the OMC. The degree of saturation at the maximum dry density if Gs = 2.70. What is the dry unit weight and the moisture range at 95% relative compaction (RC)? The degree of saturation at the maximum dry density if Gs = 2.70. Table 4: Results of a standard Proctor compaction test Trial No. 1 4 13.2 Moisture content, w (%) 6.2 8.1 9.8 11.5 12.3 20.1 Bulk unit weight (kN/m³) 16.9 18.7 19.5 20.5 20.4 17.8 Dry unit weight (kN/m³) 15.9 17.3 17.8 18.4 18.2arrow_forwardDetermine the maximum dry unit weight of compaction and the optimum moisture content for the results of a standard proctor test that is shown in the table below.arrow_forwardFollowing is the result of a modified proctor test. Determine the maximum dry unit weight, void ratio and saturation at optimum moisture content and energy of compaction. Make a tabulation of all your results.arrow_forward
- Results of a standard Proctor compaction test on a silty sand are shown in the below figure. Dry unit weight (kN/m³) 19.5 19.0 18.5 18.0 6 17.5 17.0 5-17 7-12 8-11 a. What is the moist unit weight (ywet, kN/m3) at optimum moisture content? b. What is the degree of saturation (Sr, %) at optimum moisture content? Given: Gs = 2.73. c. If the required field dry unit weight (yd) is 18.15 kN/m3, what is the relative compaction (%)? 6. What should be the range of compaction moisture contents (%) in the field to achieve the above relative compaction? 10 0 6-14 5 9.5-10.5 10 Moisture content (%) 15 20 7. If the minimum and maximum void ratios are 0.29 and 0.80, respectively, what is the relative density of compaction in the field (%)?arrow_forwardA modified Proctor compaction test was carried out using a cylindrical moldwith a 1000 ml volume. Table 2 summarizes the results.a. Plot the compaction and ZAV curves (RD=2.75 and ρwater=1000 kg/m3).b. Determine the maximum dry density and the optimum moisture content.arrow_forwarda. What is the compacted dry density?b. What is the field water content?c. What is the relative compaction?d. Does the test meet specifications?e. What is the degree of saturation of the field sample?f. Plot the laboratory curve and the results of the sand cone test on the same graph. Show the limits of the acceptable range.arrow_forward
- The results of a standard compaction test are shown in the Figure below. The specific gravity of this soil deposit is equal to 2.65. Calculate the air content in % that would be required to achieve the maximum dry unit weight. (answer tolerance = 6%).arrow_forwardProblem 6 The results of standard Proctor test are given as shown in the table. Determine the maximum dry unit weight of compaction and optimum moisture content. Also determine the moisture contents required to achieve 95% of y d (max). If the field dry unit weightarrow_forwardHomework #3 The results of a standard Proctor test are given in the following table. a. Determine the maximum dry unit weight of compaction and the optimum moisture content. Given: mold volume =943.3 cm'. b. Determine the void ratio and the degree of saturation at the optimum moisture content. Given: G, = 2.68. Trial no. Weight of moist soil in the mold (kg) Moisture content (%) 1.78 5.0 1.87 7.5 3 1.95 10.0 4 1.98 12.5 5 2.02 1.97 15 17.5 7 1.90 20.0arrow_forward
- A modified proctor compaction test is performed on a sample of silty sand in a 150 mm diameter mold. The maximum dry unit weight is 19.6 kN/m3 and optimum water content is 11%. If the specific gravity solids is 2.65, draw the three-phase diagram of the sample in the mold and calculate all volumes and weight for that sample. What is the degree of saturation?arrow_forwardA standard compaction test was performed in the laboratory and the results are tabulated as follows: Trial Number 1 2 3 4 5 Moist Unit Weight (Ib/ft) 120.2 128.4 134.2 134.4 130.9 Moisture Content (%) 7.1 10.0 13.4 16.7 20.1 Determine the soil's maximum dry unit weight (drawing a plot may prove useful)arrow_forward2. The results of a standard Proctor test are given in Table Q2 below. Determine the maximum dry unit weight of compaction and the optimum moisture content. Table Q2 Volume of Proctor Mass of wet soil in the mold Moisture content mold (cm³) (kg) (%) 1000 1.78 5.0 1000 1.87 7.5 1000 1.95 10.0 1000 1.98 12.5 1000 2.02 15.0 1000 1.97 17.5 1000 1.91 20.0arrow_forward
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