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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The relative compaction of a sand in the field is 94%. Given the dry unit weight maximum= 16.2 kN/m3 and the dry unit weight minimum = 14.9 kN/m3.For the field conditions Compute the relative density of compaction
The relative compaction of a sand in the field is 93.5%. Given the dry unit weight maximum= 16.98 kN/m3 and the dry unit weight minimum = 14.46 kN/m3. What is the water content of the sand in percent if the moist unit weight is 18.42 kN/m3?
a.17.1
b.16.0
c.15.2
d.14.3
The relative compaction of a sand in the field is 94%. Given the dry unit weight maximum= 16.2 kN/m3 and the dry unit weight minimum = 14.9 kN/m3.For the field conditions Compute the moist unit weight in kN/m3 at a moisture content of 8%.
a.
15.11
b.
16.45
c.
14.21
d.
15.23
Chapter 3 Solutions
Fundamentals of Geotechnical Engineering (MindTap Course List)
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- For a given sandy soil, emax = 0.75, emin = 0.46 and Gs =2.68. If the relative density of the soil Dr =78% and its water content is 9%, determine: In situ void ratio Moist unit weight of compaction in KN/m3 Dry unit weight in KN/m3arrow_forward7. 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_forwardThe relative compaction of a sand in the field is 90%. The maximum and minimum dry unit weights of the sand are 17 kN/m3 and 14.5 kN/m3, respectively. For the field condition determine the dry unit weightarrow_forward
- The maximum attainable dry unit weight of the soil 19 kN/m^3 and the minimum attainable dry unit weight is 16 kN/m^3. If the relative density of the soil after compaction was 69%, What was the relative compaction in the field (%)?arrow_forwardDetermine the seepage velocity, in cm/min, if the porosity of soil is 0.30.arrow_forwardThe following results are obtained from standard compaction test for a soil, if Gs = 2.5 Water Content (%) 6.2 8.1 9.8 11.5 12.3 13.2 Unit weight (kN/m3) 16.9 18.7 19.5 20.5 20.4 20.1 Required: 1- The optimum water content (Wc %) 2- The maximum dry unit weight ( dry ) 3- The void ratio (e) 4- Degree of saturation (S %) 5- Find the weight of water needed to be added to 1 m3 to reach 100% saturation.arrow_forward
- Plot the moisture density curve and determine the maximum dry unit weight of compaction and the optimum moisture content.arrow_forwardThe moist unit weight of a soil is 105 lb /ft3. Given that w = 15% and Gs = 2.7, determine a. Weight of water, in lb/ft3, to be added to reach full saturationarrow_forwardA sandy soil has maximum and minimum dry unit weights of 18.08 kN/m^3and, 14.46 kN/m^3 respectively, and a dry unit weight of compaction in the field of 15.05 kN/m^3.Estimate the following:a. Relative compaction in the field.b. Relative Density in the field.arrow_forward
- For a given sandy soil, emax = 0.75, emin = 0.46, and Gs = 2.68. If the relative density of the soil Dr = 78% and its water content is 9%, determine the following:a) In situ void ratiob) Moist unit weight of compaction in KN/cu.mc) Dry unit weight in KN/cu.marrow_forwardIn a given sandy soil, e max=0.82 and emin=0.42, if G,= 2.66. In the field the soil is compacted to a moist density of 1720 kg/m³ at a moisture content of 9%. Determine 8) In situ void ratio (e) ? a) 0.978 b) 0.686 c) 0.553 d) 1.00 9) What is the relative density of compaction? a) 43.50 % b) 33.50 % c) 62.75 % d) 53.35arrow_forwardIf the soil compaction degree is 90% and the laboratory field density is 18.5kN / m2, then the field density is ...........arrow_forward
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