Question 2 The results of a standard compaction test on a soil (G; = 2.7) are as shown in the table below. w(%) xkN/m³) 16.9 6.8 8.1 9.8 11.5 13.2 15 17 18.5 19.5 20.5 20.1 19.2 18 (a) Using excel, plot the compaction curve. Submit your excel file with your exam solution (b) Plot the ZAV curve for the appropriate water content and dry density range (c) Construct the 80 % and 90% saturation lines (d) Determine the maximum dry unit weight and optimum water content (e) Determine the degree of saturation at the maximum dry density

Question 2 The results of a standard compaction test on a soil (G; = 2.7) are as shown in the table below. w(%) xkN/m³) 16.9 6.8 8.1 9.8 11.5 13.2 15 17 18.5 19.5 20.5 20.1 19.2 18 (a) Using excel, plot the compaction curve. Submit your excel file with your exam solution (b) Plot the ZAV curve for the appropriate water content and dry density range (c) Construct the 80 % and 90% saturation lines (d) Determine the maximum dry unit weight and optimum water content (e) Determine the degree of saturation at the maximum dry density

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter2: Origin Of Soil And Grain Size

Section: Chapter Questions

Problem 2.5P: Repeat Problem 2.4 with the following data. 2.4 The following are the results of a sieve analysis....

See similar textbooks

Similar questions

PLEASE ANSWER THIS. I will leave a good review/ thumbs up! Thank you!
Given below is the result of a sieve analysis done on a soil sample. determine the value of the coefficient of uniformity
Answer d please
Situation 2: 4. ܥܕ ܗ ܗ ܙ ܤ 7. The following are the results of a sieve analysis. Sieve No. Opening (mm) Mass of Soil Retained (grams) 4 4.75 10 2.00 40.5 20 0.85 60.2 40 0.425 50.5 60 0.250 140.8 80 0.180 106.4 100 0.150 210.3 200 0.075 59.4 Pan 12.5 Determine the effective particle size. Find the uniformity coefficient. Compute the coefficient of gradation. Solve the sorting coefficient. Calculate the suitability number. 8. Cumulative Mass of Soil Retained (grams) Cumulative Mass of Soil Passed (grams) Percent Passing
Situation 3. Following are the results of a sieve analysis. Determine: a. Cu b. Cc c. So Sieve No. 4 6 10 20 40 60 100 200 Pan Diameter (mm) 4.760 2.380 2.000 0.840 0.420 0.250 0.149 0.074 Soil Sample Mass Retained (g) 100 180 86 160 105 134 110 65 45
answer b or c please.
Question 3 A sieve analysis was performed Sieve # 4 10 20 40 100 200 Pan Opening size (mm) 4.75 2 0.85 0.425 0.15 0.075 % Finer 80% For the soil passing # 40 sieve, Atterberg limits were measured as follows: Plastic Limit=29 and Liquid Limit = 36. (a) Fill the blanks in the table. (b) Plot the grain size distribution curve on the following semi-log graph. 100% 60% 40% 20% on a soil sample and the results are given below. Mass of soil retained (g) 0 43.4 80.6 124 186 124 62 0% 10.000 % Retained 1.000 E% Retained 0.100 % Finer 0.010 Grain Size (mm) (c) Extract the percentages of gravel, sand, and fine-grained soil (silt and clay). (d) Determine (1) the effective size (D10), (11) the Uniformity Coefficient (Cu), and (iii) the Coefficient of Curvature (Cc).
Problem A: For questions 1 to 7. In the given results of the sieve analysis of a soil. Calculate the following; U.S. Opening Mass Sieve (mm) Retained, grams 4 4.75 10 2.00 21.6 20 0.850 49.50 40 0.425 102.60 60 0.250 89.10 100 0.150 95.60 200 0.075 60.4 Pan 31.2 Sum 1) For the problem above the most probable value for D10=. a) 0.15 mm 2) For D30 =_ a) 0.17 mm 3) For Dso = ? a) 0.27 mm 4) The Uniformity coefficient will be ? a) 4.56 5) The Coefficient of Gradation is? a) 0.90 6) The particle size distribution curve is what type? a) Gap-graded 7) Using the AASHTO system what is the percentage of sand? a) 6.90 b) 0.25 mm c) 0.67 mm d) 0.09 mm b) 0.27 mm c) 0.185 mm d) 0.03 mm b) 0.41mm c) 1.05 mm d) 0.21 mm b) 4.78 c) 3.98 d) 4.21 b) 0.93 c) 0.96 d) 1.15 b) Poorly Graded c) Well-graded b) 4.88 c) 72.90 d) 88.30
From the picture below, please identify if it is well graded, gap graded or poorly graded. Please explain. Thank you.
0 10 16 20 30 40 Liquid limit 50 60 70 80 90 100 0 10- CL-ML 20 Plasticity index 30 J A-line PI = 0.73(LL - 20) 40- U-line PI = 0.9(LL - 8) 70 7 Table 5.2 Unified Soil Classification System (Based on Material Passing 76.2-mm Sieve) Criteria for assigning group symbols O Gravels More than 50% of coarve fraction retained on No. 4 sieve Sands 50% or more of coerse fraction passes No. 4 sieve Coarse-grained soils More than 50% of retained on No. 200 sieve Fine-grained soils 50% or more passes No. 200 sieve Silts and clays Liquid limit less than 50 Silts and clays Liquid limit 50 or more Clean Gravels Less than 5% fines Gravels with Fines More than 12% fines Clean Sands Less than 5% fines Sands with Fines More than 12% fines Inorganic Organic Inorganic Organic C, 4 and 1 c, s 3 C 3r PI 7 and plots on or above "A" line (Figure 5.3) C = 6 and 1 c, ≤ 3 C6 and/or C, 3º Pl 7 and plots on or above "A" line (Figure 5.3) Pl> 7 and plots on or above "A" line (Figure 5.3 PI < 4 or plots below "A"…
The table below shows the lab result of the sieve analysis of a soil sample Diameter (mm) 4.750 Percent Passing, % 100 2.000 94.5 0.850 86.3 0.425 74.1 0.250 54.9 0.180 38.1 0.150 9.3 0.075 1.7 a. Calculate the coefficient of gradation of the soil sample. Use logarithmic interpolation b. Classify the soil according to USCS
Show complete solutions. Ang graph using Excel.