note that this is past paper, don't reject it please sir, Geotechnical , Civil engineering please solve question 2. part B
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note that this is past paper, don't reject it please sir,
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- Find the value of Cc of the following soil data sample Weight Percentage Cumulative Percentage Sieve Weight retained (gm) percentage retained (C) retained finer S.NO Select one: O a. 10.85 size (gm) N = (100 - C) {W,/ W,} x 100 1 75mm 100 O b. 7.36 63mm 100 O c. 18.34 50mm 100 O d. 2,96 4 37.5mm 454 22.7 22.7 77.30 5 28mm 285 14.25 36.95 63.05 6 20mm 207 10.35 47.30 52.70 7 14mm 318 15.90 63.20 36.80 8 10mm 206 10.30 73.50 26.50 6.3mm 118 5.90 79.40 20.60 10 5.0mm 102 5.10 84.50 15.50 11 3.35mm 64 3.20 87.70 12.30 12 2.0mm 88 4.40 92.10 7.90 13 1.18mm 35 1.75 93.85 6.15 14 600µ 42 2.10 95.15 4.85 15 300µ 33 1.65 97.60 2.40 16 150µ 18 0.90 98.50 1.50 17 75µ 22 1.10 99.6 0.40 18 Pan 8 0.40 100 In the pan we have = 100 W,= 2000 2 -99.6 = 0.4 % of material 2. 3.and the specific gravity was 2.66. Find: A soil sample had total volume of 9.44x10 m³ and a total mass of 1.91 kg. The water content was 14.5% 1- Density of the sample 19 120100 sobi):10 2- Unit weight of the sample 3- Weight of air- 4- Weight of water in the sample 5- Degree of saturation 6-Draw the phase diagram. atslq otocosm to oublon loor la moitianquisob but noneonzib ovods sdt tolle aldswonsimon lienzo ban olimit on auto 102 OUTT S d litsup Intrommotivas saintenien ban and conson organizon 2Diavd lice vilidasidar non birgsb ovoda orl to pro 10 (6) sining at to couture odioqz oil animalo zamemo (1x1) 6 d .b zool sloinsqismi od ban oloineq od to tomognemis otomong gnilaino lice noin.fuppoft 5 Sunsarda fica ovode oda to Ils b u barosqu ei lioz od 101 101019 bisbaste 10 sands Tuol 6 d -odus n niinoo indi alice momeno laimsiog gnilla14 17 Example 5.9 For the setup shown, Find total head (h:), Elevation head (he) and Pressure head (hp) for the soil the setup shown. 5 m 5 m Datum H ... 5 m k, = 10k2 %3D Soil 1 Sol 2 A B D E 4 m 4 m 6 m 3 m
- Geotechnical Engineering (UPVOTE WILL BE GIVEN. PLEASE ANSWER THE QUESTION CORRECLTY. NO LONG EXPLANATION NEEDED. FOLLOW THE INSTRUCTIONS CAREFULLY.) A moist soil weighed 895 g with a volume of 425 cm3. After drying, the sample weighed 775 g. Of the dried soil, 400 g was poured into a vessel loose state. Its volume subsequently determined to be 275 cm3. That same 400 g was then vibrated and tamped to a volume of 212 cm3 with Gs = 2.71. Determine the designation of the granular soil based on its relative density. (3 decimal places - Do not round off unless it's the final answer)Geotechnical Engineering (UPVOTE WILL BE GIVEN. PLEASE ANSWER THE QUESTION CORRECLTY. NO LONG EXPLANATION NEEDED. FOLLOW THE INSTRUCTIONS CAREFULLY.) A moist soil weighed 895 g with a volume of 425 cm3. After drying, the sample weighed 775 g. Of the dried soil, 400 g was poured into a vessel loose state. Its volume subsequently determined to be 275 cm3. That same 400 g was then vibrated and tamped to a volume of 212 cm3 with Gs = 2.71. a. Determine the relative density of soil in %. b. Determine the designation of the granular soil based on its relative density.3- A sand sample is subjected to drainage cutting test with a hollow cylinder device. Rupture occurs with increasing internal pressure while external pressure is constant. At the moment of rupture, the external stress is 200 kPa and the internal stress is 300| Kilopascals - be. Internal and external radii of the sample are 40 and 60 mm. A) Obtain the angle of soil friction. B) At the moment of rupture, what is the axial stress applied to the sample?
- Soil sample has a saturated unit wt. of 20kN/m3 and internal friction angle of 30°. Compute the slope angle for a factor of safety of 1.5. Use unit wt. of water as 9.81kN/m3.Find the missed data and give the result of Fineness Modulus of sample soil data given below. Weight Percentage Cumulative Percentage finer Sieve retained Weight retained percentage N = (100 - C) S.NO size retained (C) Select one: (gm) (gm) O a. 7.824 1 75mm O b. 9.438 63mm O c. 8.142 3 50mm O d. 7.649 4 37.5mm 28mm 123 6.15 6.15 6 20mm 107 5.35 11.50 7 14mm 208 10.4 21.9 8 10mm 56 2.8 24.7 6.3mm 3.9 10 5.0mm 92 4.6 33.2 11 3.35mm 308 15.4 48.6 12 2.0mm 223 11.15 59.75 13 1.18mm 188 9.4 69.15 14 600µ 282 14.1 83.25 15 300µ 96 4.8 88.05 16 150µ 88 4.4 92.45 17 75µ 103 5.15 97.6 18 pan 48 2.4 10010. Which one of the following is an assumption made by Coulomb in the development of his earth pressure theory for sand and for active state? (a) The rupture surface is non-uniform surface (b) There is a wall friction on the pressure surface (c) Failure is three dimensional (d) The soil is cohesive
- Q: I an oedometer test on a specimen of saturated clay (Gs = 2.72), the applied pressure was increased from 107 1o 214 kPa and the following compression readings recorded: TaBLE| Tmen 0 025 05 1 225 4 &5 9 16 Guugelmm) 78 742 732 721 6% 678 &6 643 637 Teme(mi) 25 % 4 s om0 X0 a0 Guge(nm) 629 626 621 618 616 615 610 602 After 1440 min, the thickness of the specimen was 15.30 mm and the water content was 23.2%. Determine the values of the coefficient of consolidation and the compression atios from (a) the root time plot and (b) the log time plot. Determine also the values of the coefTicient of volume compressibility and the coefficient of permeability.556 TNT N 351 9:33 B/s Water content of soil can, * never be greater than 100% take values only from 0- 100% be less than 0% be greater than 100% Valid range for S S>0 S100 If the sand in in- situ is in its densest state, then the relative density of sand is, zero 1 between 0 and 1 greater than 1 Which of the following is incorrect statement. *A dry sand is placed in a ontainer having a volume of 0.366 ft8. the dry weight Of the sample is 34.41b. A volume OF 0.0522 ft3 container so as not to dist urb the condition of the sand 3. OF water is care Fu lly added to the to if the Specific gravity of sand is 2662, determine the. a.) porosity b) Degree of saturation (2 decimal places) c) Bulk specific gravity (3 dlecimal places) (3deuimal places)