What is the 95% maximum dry density from the laboratory (Please answer in two decimal places in Mg/m3)? (You may do a simple sketching to assist your answer). Please answer value only Ya(Mg/m³) 1.62 1.66 1.72 1.70 1.63 1.57 w % 12.4 13.3 15.5 17.4 18.3 20.1 Laboratory compaction tests results of a soil fill compacted Site A are: Table A

What is the 95% maximum dry density from the laboratory (Please answer in two decimal places in Mg/m3)? (You may do a simple sketching to assist your answer). Please answer value only Ya(Mg/m³) 1.62 1.66 1.72 1.70 1.63 1.57 w % 12.4 13.3 15.5 17.4 18.3 20.1 Laboratory compaction tests results of a soil fill compacted Site A are: Table A

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter8: Stresses In A Soil Mass

Section: Chapter Questions

Problem 8.13P

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15. The following are results of a field unit weight determination test using sand cone method: Volume of hole = 0.0018 m3 Mass of moist soil from hole = 3.44 kg Water content = 12.30% Max. dry unit weight from a laboratory compaction test = 19.94 kN/m3 Determine the relative compaction, in percent. Round off to two decimal places. Hint: Relative compaction = Field dry unit weight / Max dry unit weight (lab)
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.
A saturated soil sample has a unit weight of 19.24 KN/m3 and Gs = 2.70. Find Ydry, e, n,and w. 6 decimal places for the solution please
A soil sample has a unit weight of 1.9 g/cc and w=12%. If Gs of solids is 2.65, determine the volume of water in cm3. a.0.377 b.0.212 c.0.12 d.0.092
Calculate the CEC (m.e./100g soil) using the following given miliequivalent weights obtained from a 25g soil sample (a. Ca++= 2.23 m.e; b. Mg++=1.32 m.e.; c. Na+= 1.98 m.e.; d. K+= 1.87 m.e.; e. H+= 1.27 m.e.; f. Al+++= 0.11 m.e.; g. NH4+= 2.3 m.e.; h. NO3-= 1.5 m.e.
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For a soil, given e= 0.75, w= 22%, Gs= 2.66, calculate the dry density of soil in slug/ft3. Note p of water= 1.94 slug/ft3 a. 2.85 b. 3.6 c. 2.95 d. 3.8
The figure shows water flowing through two saturated soils (A and B) in the hatched areas. Calculate the pressure head elevation head and total head at points X, Y and Z. Also calculate the flow rate through the soils. the cross sectional area of the sample is 15 m2
Subject: Soil Mechanics Please provide a solution and diagram Boreholes reveal that a thin layer of alluvial silt exists at a depth of 50 ft below the surface of the ground. The soil above this level has an average dry unit weight of 96 lb/ft3 and an average water content of 30%. The water table is approximately at the surface. Tests on undisturbed samples give the following data: cu = 1008 lb/ft2, undrained friction angle = 13°, cd = 861 lb/ft2, drained friction angle = 23°. Estimate the shearing resistance in psf of the silt on a horizontal plane when the shear stress builds up slowly a. 3120 b. 861 c. 2185 d. 2449
1.Three phases of a soil element? 2.Define volumetric relations (equation and text):e= , n=, S= 3. Define weight relations (equationand text):w=, Y= , Gs= 4. Range of values for degree of saturation? 5. Range of values for moisture content? 6. Correlation between dry unit weight and total unit weight (use w)? 7.Super equation (label each term)? 8. Unit weight of water ( English,metric)? 9. Average unit weight for medium dense sand? 10.Specific gravity for sand?
The given values are as follows: The specimen's e=0.46 length of soil specimen=450mm constant head difference=700mm Water collected in 3 minutes =3.54x10-4 m3 Area=2.26x10-3 m2 1) Find the coefficient of permeability (Ans. 2.012 m/hr) 2) Find the discharge velocity (Ans. 0.052 m/min) 3) Find the interstitial velocity (Ans. 0.165 m/min)
Soil samples A and B have void ratios of 0.5 and 0.7 respectively. If 1.5 m³ of soil sample A and 1.7 m³ of soil sample B are mixed to form sample Chaving a volume of 3.2 m³, which one of the following correctly represents the porosity of sample C? ⚫ (a) 0.375 (b) 0.60 (c) 1.66 (d) 2.66 [CSE: 2002]