the percent compaction in the field
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- SOL the b... SHETLIGVIE gardles 4. A soil sample having a liquidity index of 0.85, a plasticity index of 16.50 and a plastic limit of 11.45. The soil sample has a specicfic gravity of 2.68 and a void ratio of 0.77. a. Compute the degree of saturation. b. Compute the air void ratio.1. Following are the results from the liquid and plastic limit test for a soil No. of blows, N Moisture Content , % 16 36.5 20 33.1 28 27.0 Plastic limit = 12.2% Determine the following: a. Liquid limit b. Plasticity index c. Liquidity index if the in situ moisture content is 26.5% d. Consistency index= 2.75, calculate the zero-air-void unit weight for a soil in lb/ft³ Given G, w = 5%, 8%, 10%, 12%, and 15%. 6.1 6.4 The results of a standard Proctor test are given below. Determine the maximum dry unit weight of compaction and the optimum moisture content. Weight of wet soil in the mold (Ib) GsYw Vzav = 1+ wG5 Volume of Moisture Proctor mold (ft³) content (%) GSYW 1/30 3.26 8.4 Ya = 1/30 1+ GW 4.15 10.2 1/30 4.67 12.3 1/30 4.02 14.6 Se = Gsw 1/30 3.63 16.8 6.5 For the soil described in Problem 6.4, if G, = 2.72, determine the void ratio and the degree of saturation at optimum moisture content.
- The following are results from the liquid and plastic limit test for a soil. No. of blows (N) Moisture content (%) 15 42 20 40.8 28 39.1 The plastic limit is 18.7%. 1. Compute the liquid limit using table. 2. What is the plasticity index of the soil. 3. What is the liquidity index if the water content is 24%. 4. What is the consistency index.10. The results of a Standard Proctoretest is tabulated as follows: (SEE PICTURE) Determine the maximum dry unit weight of compaction Determine the optimum moisture content Determine the void ratio at the optimum moisture content Gs = 2.70 Determine the degree of saturation at the optimum moisture content A field unit determination test for the soil, yielded the following data. Moisture content = 12% and moist unit weight = 106 pcf. Determine the relative compaction.Determine the maximum dry unit weight of compaction Determine the optimum moisture content Determine the void ratio at the optimum moisture content. Gs = 2.70 Determine the degree of saturation at the optimum moisture content A field unit determination test for the soil, yielded the following data. Moisture content = 12% and moist unit weight = 106 lb/cu.ft. Determine the relative compaction.
- Laboratory compaction test results on a clayey silt are given in the following table:- Moisture content (%) Dry unit w3eight (kNm³) 14.80 8 17.45 18.52 11 18.9 12 18.6 14 16.9 Following are the results of a field unit weight determination test on the same soil with the sand cone method:- • Calibrated dry density of Ottawa sand = 1667 kg/m³ • Calibrated mass of Ottawa sand to fill the cone = 0.117 kg • Mass of jar + cone + sand (before use) = 5.99 kg • Mass of jar + cone + sand (after use) = 2.81 kg • Mass of moist soil from hole = 3.331 kg • Moisture content of moist soil = 11.6% Determine a. Dry unit weight of compaction in the fieldPROBLEM 4: A soil sample has a maximum dry unit weight of 125 lb/ft?. If the sample has wet unit weight of 135 lb/ft?, Gs =2.65, moisture content w =11%. Compute the percent compaction in the field a. 97.3% c. 89.67% b. 94.13% d. 93.23%Results of a standard proctor ompaction test on a silty sand are shown. PLEASE COMPLETE SOLUTION. 1) Find the maximum dry unit weight and optimum moisture content. 2) What is the moist unit weight at optimum moisture content? 3) What is the degree of saturation at optimum moisture content? Given: ?? = 2.69 4) If the required field dry unit weight is 18.5 ??/?3, what is the relative compaction? 5) What should be the range of compaction moisture contents in the field to achieve the above relative compaction? 6) If the minimum and maximum void ratios are 0.31 and 0.82, respectively, what is the relative density of compaction in the field?
- Q2) A dry sample of soil having the following properties, L.L. = 52%, P.L. = 30%, Gs = 2.7, e = 0.53. Determine the following: 1- dry unit weight ,2-the porosity at plastic limit,1. A saturated 100 cm³ clay sample has a natural water content of 30%. It is found that the shrinkage limit occurs when the water content is 19%. If the sp. gr. of soil is 2.70.a. Compute the shrinkage ratio.b. Compute the volume of the sample.c. Compute the mass of dry soil sampleProblem 3: A soil sample has a liquid limit of 70 % and plastic limit of 50 %. U-line : PI = 0.9 (LL - 8) A- Line: PI = 0.73 (LL - 20) 60 1. Determine the point of intersection of the U-line and A-line. 2. Compute the shrinkage limit, SL using the plasticity chart. 3. Compute the Specific Gravity, Gs of the Soil if SR = 1.37. ALine PI -07NL - 20) 20 10 40 60 00 Liguid limi Plasticity indes
