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 3, Problem 3.16P
To determine
Find the moist unit weight of compaction in the field in
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For a given sandy soil, emax = 0.75, emin = 0.46, and Gs = 2.68. What will be the moist unit weight of compaction (kN/m3 ) in the field if Dr = 78% and w = 9%?
For a sandy soil, emax = 0.72, emin = 0.46, and G, = 2.68. What is the moist unit
weight of compaction in the field if D, = 78% and w = 9%?
Answer:
For a granular soil given Y=116.64lb/ft*3, Dy=82%, w=8%, and Gs=2.65. for this soil, if emin =0.44 what would be emax? what would be the dry unit weight in the loosest state?
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Fundamentals of Geotechnical Engineering (MindTap Course List)
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- 7. The relative compaction of a sand in the field is 94%. Given that dry unit weight max = 16.2 kN/m3 and dry unit weight min = 14.9 kN/m3 . For the field conditions. What is the relative density compaction? (Ans: 27%) What is the dry unit weight? (Ans: 15.23 kN/m3) What is the moist unit weight at a moisture content of 10%? (Ans: 16.45 kN/m3 )arrow_forwardFor a given sandy soil; emax = 0.72 ;emin= 0.46 ; Gs = 2.68 what will be the moist. unit weight of compaction(kN/m3)in the field if Dr =78% and w= 9%?* O 20.5 kN/m3 18.88 kN/m3 O 16.88 kN/m3 O 14.66 kN/m3arrow_forwardFor a granular soil, given: g = 116.64 lb/ft3, Dr = 82%, w = 8%, and Gs = 2.65. For this soil, if emin = 0.44, what would be emax? What would be the dry unit weight in the loosest state?arrow_forward
- The relative compaction of a silty sand in the field is 94%. Given that γd(max) = 17 kN/m3 and γd(min) = 13.8 kN/m3 , determine the dry unit weight in the field and the relative density of compaction.arrow_forwardThe relative compaction of a sand in the field is 94%. Given that yalmax) = 16.9 KN/m³, and yamin) = 14.4 kN/m³, what is the dry unit weights in the field and the relative density of compaction?arrow_forwardQ1: For a soil in natural state, given e =0.8, w=24% , and Gs=2.68 (a)determine the moist unit weight, dry unit weight and degree of saturation. (b) If the soil is made complecly saturated by adding water, what would its moisture content at that time ? Also find the saturated unit wieght.arrow_forward
- 6. The relative compaction of a sand in the field is 93.5%. Given that dry unit weight max = 16.98 kN/m3 and dry unit weight min = 14.46 kN/m3. What is the dry unit weights in the field? (Ans: 15.88 kN/m3) What is the relative density compaction? (Ans: 60.1%) What is the water content of the sand if the moist unit weight is 18.42 kn/m3. (Ans: 16%)arrow_forwardQUIZ 3 1. A sample of clay has a water content of 40 percent at full saturation. Its shninkage limit is 15 percent. Assuming Gs = 2.70, determine its degree of shrinkage. Comment on the quality of the soil.arrow_forwardQUIZ 3 1. A sample of clay has a water content of 40 percent at full saturation. Its shnnkage limit is 15 percent. Assuming Gs = 2.70, determine its degree of shrinkage. Comment on the quality of the soil.arrow_forward
- A compacted soil weighs 131.1 pcf with recorded moisture content of 15%. What is the (a) saturated unit weight and (b) dry unit weight of the soil irı pcf, if G;=2.67?arrow_forwardFor a given sandy soil, emax= 0.75, emin= 0.46 and Gs= 2.68. What is the unit weight of compaction in the field if Dr= 78% and w= 9%? a. 18.8 kN/m³ b. 20.7 kN/m³ c. 20.3 kN/m³ d. 18.1 kN/m³arrow_forwardThe porosity of a soil is 0.35. Given G, = 2.70. Calculate: a. Saturated unit weight. (Enter your answer to three significant figures.) Ysat ]kN/m³ b. Moisture content when moist unit weight = 17.5 kN/m³ (Enter your answer to three significant figures.) w = |% 4.arrow_forward
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