Mass of soil (kg)Moisture content (%)1.7918.41.93710.62.03812.92.05014.42.02216.61.98518.6The specific gravity of the solids is 2.70, pw= 1000kg/m³ and the volumethe compaction mould is 0.945 x 10³m³. Plot the compaction curve and obtathe maximum dry density (MDD) and optimum moisture content (OMC).

Maximum dry density : A style of residence that includes measures of strength, density, durability,…

Mass of soil (kg) Moisture content (%) 1.791 8.4 1.937 10.6 2.038 12.9 2.050 14.4 2.022 16.6 1.985 18.6 The specific gravity of the solids is 2.70, pw= 1000kg/m² and the volume the compaction mould is 0.945 x 10³m³. Plot the compaction curve and obta the maximum dry density (MDD) and optimum moisture content (OMC).

Mass of soil (kg) Moisture content (%) 1.791 8.4 1.937 10.6 2.038 12.9 2.050 14.4 2.022 16.6 1.985 18.6 The specific gravity of the solids is 2.70, pw= 1000kg/m² and the volume the compaction mould is 0.945 x 10³m³. Plot the compaction curve and obta the maximum dry density (MDD) and optimum moisture content (OMC).

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter2: Geotechnical Properties Of Soil

Section: Chapter Questions

Problem 2.4P

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Note: Add 0.16 to the results on table before solving.a. Determine the maximum dry unit weight and OMC.b. What is the dry unit weight and moisture range at 95 % relative compaction?c. Determine the degree of saturation at the maximum dry density if Gs = 2.70.
The 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.
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 )
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
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
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%)
Plot the moisture density curve and determine the maximum dry unit weight of compaction and the optimum moisture content.
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/m3
The relative compaction of a sand in the field is 94%. The maximum and minimum dry unit weights of the sand are 18.60 KN/m³and 15.10 KN/m³respectively. For the field condition determine 25) Dry Unit weight? a) 15.25 KN/m³ b) 20.50 KN/m³ c) 17.48 KN/m³ d) 18.90 KN/m³ Relative density of compaction? a) 69.80 % b) 99.20 % c) 72.40 % d) 73.05 % Moist unit weight at a moisture content of 8 % ? a) 19.77 KN/m³ b) 17.66 KN/m³ c) 18.88 KN/m³ d) 18.05 KN/m³
Volume of Proctor Mold (ft3) Weight of Wet Soil in Mold (lb) Moisture Content (%) 1/30 3.88 0.05 1/30 4.08 0.075 1/30 4.25 0.1 1/30 4.37 0.125 1/30 4.41 0.15 1/30 4.35 0.175 1/30 4.24 0.2 a. Determine the maximum dry unit weight of compaction and the optimum moisture content. b. Given the specific gravity of the soil is 2.70, calculate the void ratio and degree of saturation at optimum moisture content. c. Determine the moisture content required to achieve 95% of maximum unit weight (on the dry side of optimum). What is the void ratio and degree of saturation corresponding to this moisture content? How do these values compare to those at optimum moisture content?
Data for field density by sand cone method: Weight of bottle + cone + sand before going to the field = 8990.5 g Weight of soil excavated from hole = 7550 g Weight of bottle + cone + sand after use = 2931 g Weight of sand required to fill the cone, Wc = 1578 g Dry unit weight of sand = 1.533 g/cm3 Moisture content = 6% 1- Calculate dry unit weight of compaction in the field.
The ff are results of a field unit weight determination test Volume hole 0.0016 Mass of moist soil from 3.10kg Water content 12.20% Mas dry 19.50 Determine the relative compaction in %