5. Figure 1 shows the results of the proctor test on soil B (poorly graded sand). When compared with figure 1 below, determine the assumptions of soil classification for question number 2 (compacting task), include reasons! Dry Unit Weight (kN/m3) 20 18 16 H 12 10 O 10 15 Water content (%) 20 25 30 Figure 1. Standard proctor compaction results

5. Figure 1 shows the results of the proctor test on soil B (poorly graded sand). When compared with figure 1 below, determine the assumptions of soil classification for question number 2 (compacting task), include reasons! Dry Unit Weight (kN/m3) 20 18 16 H 12 10 O 10 15 Water content (%) 20 25 30 Figure 1. Standard proctor compaction results

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Table 1 below is the result of compaction results. Please evaluate the correct combination of missing data. Table 1: Compaction test results Water content (%) 5.00 8.00 III 16.00 IV Bulk Density (Mg/m') 1.87 II 2.35 2.20 2.09 Dry Density (Mg/m) 1.89 2.08 1.90 1.76 Answer II II IV A 1.68MG/m3 2.04Mg/m3 13% 19% 1780kg/m 2.08Mg/m3 11% 20% 1.80MB/m3 2080kg/m 12% 19% 1.78MG/m3 2040kg/m3 13% 19% O A Ов Ос O D
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.
8. The results of a standard compaction test on a soil sample from Glasgow are shown in the graph below. From the graph, determine the optimum moisture content (OMC), maximum dry density and air content at maximum dry density. Can this soil be compacted to 2.11 Mg/m³ at OMC? Why? 22 0% 2.1 5% 2 10% 1.9 1.8 1.7 1.6 1.5 1.4 1.3 - 1.2 8 9 10 11 12 13 14 15 16 17 18 19 moisture content [%] 20 dry denslty [Mg/m³]
The 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 47
A liquid limit test on a clay was performed with the following results. The natural water content of the clay is 38% and plastic limit is 21%. Number of Blows 6 12 20 28 32 Water content (%) 52.5 47.1 42.3 38.6 37.5 What is the liquid limit of this clay? (Use Interpolation) Group of answer choices 39.85% 39.99% 36.74% 38.63% Please answer this asap for upvote. Thanks
Following are the results of a field unit-weight determination test performed on the same soil by means of the sand cone method: -Calibrated dry unit weight of Ottawa sand = 15.4019 kn/m3 -Calibrated weight of Ottawa sand to fill the cone = 5.3496 N -Weightof jar + cone + sand (before use) = 74.451 N -Weightof jar + cone + sand (after use) = 46.886 N -Weight of moist soil from hole = 29.509 N -Moisture content of moist soil = 10.21% DETERMINE AND SHOW COMPLETE SOLUTION 1. Dry density of compaction in the field in kg/cu.m.
Mechanical analysis on four different samples designated as A, B. Cand Dwere carried out in a soil laboratory. The results of tests are given below. Hydrometer analysis was carried out on sample D. The soil is non-plastic. Sample D D. liquid limit w 42, plastic limit = 24. plasticity index = 18 Classify the soils per the Unified Soil Classification System. Samples ASTM Sieve Percentage finer than Designation 63.0 mm 100 93 20.0 mm 64 76 6.3 39 100 65 20 mm 600 212 63 A 20 24 98 59 12 90 54 9. 47 100 34 95 23 69 7. 46 2 31 B and 100 60 20 Sand Course lo medium Cotles l>762 mm Clay Silt Gravel Fine 0.001 001 0.075 0.1 10 100 Particle size (mm) Figure Ex. 3.21 Percentage finer
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1. A dry sand is placed in a container having a volume of 0.0092 cubic centimeter. The dry unit weightof the sample is 0.015 gram. Water is carefully added to the container so as not to disturbed thecondition of the sand. When the container is filled, the combined weight of soil plus water is 0.0182gram.a. Determine the specific gravity of soil particle.b. Determine the dry unit weight of soil.2. If the soil sample has a water content of 11% and a unit weight of 19.67 kN/m3 , determine thepercentage of air in voids and the degree of saturation if the specific gravity of soil solid is 2.75.3. If the soil sample has a specific gravity of 2.71 and a porosity of 0.345, determine the saturated unitweight and the bouyant unit weight.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.
The following data are the results of a sieve analysis. Determine the percentage of silt and clay combined using Unified Classification System. Mass of soil Sieve no. Opening retained (mm) on each sieve 4 4.75 21.5 10 2 18.5 20 0.85 53.2 40 0.425 90.5 60 0.25 81.8 100 0.15 92.2 200 0.075 58.5 Pan 26.5 Select one: а. 19 b. none of the choices С. 6 d. 17 e. 58
A liquid limit test on a clay was performed with the following results. The natural water content of the clay is 38% and plastic limit is 21%. Number of Blows 6 12 20 28 32 Water content (%) 52.5 47.1 42.3 38.6 37.5 What is the plasticity index of this clay? (Use Interpolation) Group of answer choices 15.74% 18.99% 18.85% 17.63% Please answer this asap for upvote. thanks
Mechanical analysis on four different samples designated as A, B. Cand Dwere carried out in a soil laboratory. The results of tests are given below. Hydrometer analysis was carried out on sample D. The soil is non-plastic. Sample D D. liquid limit w 42, plastic limit = 24. plasticity index = 18 Classify the soils per the Unified Soil Classification System. Samples ASTM Sieve Percentage finer than Designation 63.0 mm 100 93 20.0 mm 64 76 6.3 39 100 65 20 mm 600 212 63 A 20 24 98 59 12 90 54 9. 47 100 34 95 23 69 7. 46 2 31 100 60 20 Sand Coles >762 mm Clay Silt Gravel Fine Course lo medium 0.001 001 0.075 0.1 10 100 Particle size (mm) Samples A,BandC Figure Ex. 3.21 Percentage finer