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%3D 3.6 For a given sandy soil, emax = 0.75 and emin = 0.52. If Gs 2.67 and D, = 65%, determine Void ratio and Dry unit weight. Ans.: e = 0.6, ya = 16.37kN/m? nil the maximum and minimum void ratios are 0.72

%3D 3.6 For a given sandy soil, emax = 0.75 and emin = 0.52. If Gs 2.67 and D, = 65%, determine Void ratio and Dry unit weight. Ans.: e = 0.6, ya = 16.37kN/m? nil the maximum and minimum void ratios are 0.72

Structural Analysis
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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3.6 For a given sandy soil, emax = 0.75 and emin = 0.52. If Gs = 2.67 and D, = 65%, determine Void ratio and Dry unit weight. Ans.: e = 0.6, ya = 16.37kN/m3 3.7 For a given sandy soil, the maximum and minimum void ratios are 0.72 and 0.46, respectively. If Gs = 2.68 and o = 11%, what is the moist unit weight of compaction (kN/m³) in the field if Dr = 82%. Ans.: Ymoist = 19.32 kN/m 3.8 In a construction project, the field moist unit weight was 18.08 kN/m³ at a moisture content of 8%. If maximum and minimum dry unit weight determined in the laboratory were 16.93 kN/m3 and 14.46 kN/m3, respectively, what was the field relative density. Ans.: D, = 91.8% 3.9 Classify the following soils by the AASHTO classification system. Give the group index for each soil. Sleve analysls- Percent finer Liquld Ilmit Plasticity Index Soll No. 10 No. 40 No. 200 74 32 28 6. 06 86 56 8 NP 42 28 12 18 13 92 68 30 42 18 E 90 48 22 31 Ans.: A. A-2-4(0), B. A-3(0), C. A-2-6(0), D. A-7(1), E. A-2-4(0) 3.10 Classify the following soils by the AASHTO classification system. Give the group index for each soil. Sleve analysls- Percent finer Liquld Ilmit Plasticity Index Soll No. 10 No. 40 No. 200 A 98 80 72 52 21 B 58 38 12 90 84 74 C 71 64 41 14 100 78 82 32 12 E 80 68 48 30 11 Ans.: A. A-7-5(16), B. A-6(5), C. A-7-6(8), D. A-6(9), E. A-6(2) ABCD
Transcribed Image Text:3.6 For a given sandy soil, emax = 0.75 and emin = 0.52. If Gs = 2.67 and D, = 65%, determine Void ratio and Dry unit weight. Ans.: e = 0.6, ya = 16.37kN/m3 3.7 For a given sandy soil, the maximum and minimum void ratios are 0.72 and 0.46, respectively. If Gs = 2.68 and o = 11%, what is the moist unit weight of compaction (kN/m³) in the field if Dr = 82%. Ans.: Ymoist = 19.32 kN/m 3.8 In a construction project, the field moist unit weight was 18.08 kN/m³ at a moisture content of 8%. If maximum and minimum dry unit weight determined in the laboratory were 16.93 kN/m3 and 14.46 kN/m3, respectively, what was the field relative density. Ans.: D, = 91.8% 3.9 Classify the following soils by the AASHTO classification system. Give the group index for each soil. Sleve analysls- Percent finer Liquld Ilmit Plasticity Index Soll No. 10 No. 40 No. 200 74 32 28 6. 06 86 56 8 NP 42 28 12 18 13 92 68 30 42 18 E 90 48 22 31 Ans.: A. A-2-4(0), B. A-3(0), C. A-2-6(0), D. A-7(1), E. A-2-4(0) 3.10 Classify the following soils by the AASHTO classification system. Give the group index for each soil. Sleve analysls- Percent finer Liquld Ilmit Plasticity Index Soll No. 10 No. 40 No. 200 A 98 80 72 52 21 B 58 38 12 90 84 74 C 71 64 41 14 100 78 82 32 12 E 80 68 48 30 11 Ans.: A. A-7-5(16), B. A-6(5), C. A-7-6(8), D. A-6(9), E. A-6(2) ABCD
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