I will rate your answer, thanks. Question 1(a) The grain size distribution data and of Soil A are as shown below.Sieve size3/8 in% Passing100No. 487No. 1073No. 4047No. 20017PL = 16, LL = 28(1) Determine the Group Symbol and Group Name of the soil using USCS (show all stepsclearly)(ii) The natural water content of the soil in the field is 13%. When sheared would thismaterial behave in a brittle, plastic, or liquid manner? Show how you arrive at yourconclusionFor the laboratory test data given below, classify soils B & C according to the Unified SoilClassification System. (Show details of your procedure).Soil B:D10=0.2 mmD30 = 0.73 mmD60 = 1.27 mm% passing No. 4 = 77.5% passing No. 200=4.0Soil C:D10=0.3 mmD30=0.83 mmD601.37 mm% passing No. 4 = 92.5% passing No. 200 = 20LL-28PL-15

Please refer below pages.If you have any doubts please feel free to ask.Explanation:Step 1:…

Answered: Question 1 (a) The grain size…

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter16: Soil Improvement And Ground Modification

Section: Chapter Questions

Problem 16.3P

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Q 03: (a) Draw graph (using graph paper or excel) for soil 1 and 2 given in problem 2 and paste it in the following?(b) Calculate D10 D30 and D60 for Sieve Analysis plot in section (a) and calculate Coefficient of Uniformity and Coefficient of curvature for both soils. Also comment if the soils are well graded or poorly graded and which soil is better graded in comparing to other in case of soil 1 and 2.
From the data of grain size analysis; determine the following: a) coefficient of uniformity. b) Classify the soil using USCS. c.) Classify the soil using AASHTO LL=30% PI=25%
1. Classify the following soils using USCS givegroup symbol and group name.a) A 55% of soil sample retained in sieve no. 4and 89% retained on sieve no. 200. The soilsample has a liquid limit = 28% and plasticLimit = 18% Cu = 4.2, Cc = 1.4 2. A saturated soil has the followingcharacteristics:Initial Volume = 25 cm3Final Volume = 16 cm3Mass of wet soil = 45 gMass of dry soil = 31 ga) Determine the Shrinkage Limitb) Determine the Shrinkage Ratioc) Determine the Specific Gravity of the soil
For a soil, given e= 0.75, w= 22%, Gs= 2.66, calculate the dry density of soil in slug/ft3. Note ρ of water= 1.94 slug/ft3 a. 3.8 b. 2.95 c. 3.6 d. 2.85 With fbd if necessary
From the data of grain size analysis; Determine the Following: a) Coefficient of uniformity. b) Classify the soil using AASHTO LL = 30% PI = 25%
Calculate the coefficient of gradation, Cc. ? Classify the soil by AASHTO and USCS system. (LL = 30, PL = 10) ? Use this given M=Mass of soil retained in pan +∑Mass reatianed in each sieve⇒M=617 gM=Mass of soil retained in pan +∑Mass reatianed in each sieve⇒M=617 g Sieve No. Opening Size (mm) Mass retained (g) %Mass retained=MiM×100=MiM×100 %Cumulative mass retained % Finer 4 4.750 28 =28617×100%=4.54%=28617×100%=4.54% 4.54 95.46 10 2.0 42 =42617×100%=6.81%=42617×100%=6.81% 11.35 88.65 20 0.850 48 =48617×100%=7.78%=48617×100%=7.78% 19.13 80.87 40 0.425 128 =128617×100%=20.74%=128617×100%=20.74% 39.87 60.13 60 0.250 221 =221617×100%=35.82%=221617×100%=35.82% 75.69 24.31 100 0.150 86 =86617×100%=13.94%=86617×100%=13.94% 89.63 10.37 200 0.075 40 =40617×100%=6.48%=40617×100%=6.48% 96.11 3.89 Pan 24 =24617×100%=3.89%=24617×100%=3.89% 100 0 Now, to plot the GSD curve, the % finer is kept on the vertical axis and the opening size are kept on the horizontal axis -…
From the data of grain size analysis; Determine the Following: a) Coefficient of uniformity. b) Classify the soil using USCS LL = 30% PI = 25%
Sieve # Maas retained (gr) 4 0 10 11,5 16 11,7 20 12 30 12,9 40 17,8 50 19,1 70 35,1 100 38,1 200 118 Pan 335 Draw grain size distribution curve,find D60, D30, D10 Classify the soil
What is the correction factor for a soil with Gs=2.70? 0.99 1.03 2.70 None of the above
Q2/ For proposed Earth Dam fill, the soil will be compact to (95%) of standard proctor dry density. The test of borrow area indicate that (ydmax = 18 kN/m3) at optimum moisture content (11%). The soil of borrow area at natural condition has (e = 0.65) and (Gs = 2.68). Determine the minimum volume ofborrowrequired to make (600,000 m3 ) of acceptable compacted fill.
Specifications for a proposed earth fill require that soil be compacted 95% of standard proctor dry density. Tests on a glacial-till borrow material indicate that the maximum unit weight is 124 lb/ft3 at an optimum water content of 12%. The borrow material in its natural condition has e=0.6. If Gs=2.65 a) determine the dry unit weight of soil in the embankment. (Ans.117.8 lb/ft3) b) determine the dry unit weight in the borrow area. (Ans. 103.52 lb/ft3) c) Determine the minimum volume of borrow required to make 1 ft3 of acceptable compacted fill. (Ans. 1.14 ft3)
Calculate % Silt using the following values; a. Weight of soil= 50 g b. HR reading at 40 sec.= 25 c. Temp at 40 sec= 25 oCd. HR at 2 hrs= 16 e. Temp at 2 hrs= 26 * A. 17.28 B. 17.25 C 17.22 D. 17.19

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