USING RANKINE THEORY, CALCULATE THE PASSIVE AND ACTIVE EARTH PRESSURES IN A DRY SOIL WITH N = 20 AND Y = 19K-3 AT A DEPTH OF 5M AND M DRAW THE CORRESPONDING MOHRS CIRCLES
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- As per Rankine's formula the passive earth pressure at a depth 8 m in dry cohensionless and with angle a integral frication of 38 deg and unit weight of dry sand as 200 kg/m³ (take value of sin 38 degree as 0.6157)= A soil profile at a site consists of a 5 m of gravelly sand (ysat = 18.5 kN/m³; ym 17.0 kN/m³) layer underlain by 4 m of sandy gravel (Ysat = 18.0 kN/m³). The water table is 4 m below the ground level. Plot the variation of ov, o'v, and u with depth. Neglect the capillary effects.Refer to Problem 3.19. Using Eq. (3.51), determine the variation of the relative density with depth. Use Qc = 1.
- Example 5.2: - Formation water sample with solids concentrations of calcium (Ca) = 460 ppm, sulfate (SO4) = 1,400 ppm, and Na plus Cl = 19,000 ppm. Find Equivalent NaCl solution in ppm.A sandy soil with k = 3×10² cm/s contains a series of 5 mm thick horizontal silt layers spaced 300 mm on center. The silt layers have k= 5×10° cm/s. Compute k, and k̟ and the ratio k,/k. %3DConsider the wooden cylinder (SG = 0.61) shown in the figure. Which of the following is FALSE? 0.666-m diameter Oil (s.g. = 0.85) 1.300 m св Oil (s.g. = 0.85) O a. The cylinder is stable O b. The depth of submergence, D, is 0.93 m O c. The distance between the metacenter and center of gravity is 0.15 m O d. The distance between the center of gravity and center of buoyancy is 0.18 m
- Subject: Soil Mechanics Please provide a solution and a diagram. A cylindrical sample of soil having a cohesion of 80 kN/m2 and an angle of internal friction of 20°is subjected to a cell pressure of 100 kN/m2. Determine the maximum deviator stress at which the sample will fail in kPa. a. 333 b. 387 c. 255 d. 246A triaxial test on a saturated soil has the ff. results: Deviator stress (kPa) 119 143 178 Cell pressure (kPa) 202 402 602 Pore pressure (kPa) 142.5 275.5 396 b. Determine the undrained angle of friction and cohesion of the soil. Determing the undrained angle of friction and cohesion of soil using Mohr's circleKOOHAN ERSITES MSKÜ-LMS 3\ A soil profile is given below. 3m thick dry clay is underlain by 4m thick sand. At the bottom 6m thick saturated clay layer is present which is underlain by impervious and massive bedrock. planmad Related data are provided in the figure. (No capillary action) and (A, B and C points are located in the middle of the layers Duzerinden tienmis Match the related data: oruyu tie surface 3m Dry clay, va:16KN/m Sand, yeni19kN/m? 4m Yan 22kN/m Saturated clay, Yary 20kN/m 6m Impervious bedrock Effective vertical stress at point C in kPa If a surcharge (100KPA additional uniform load) is applied to the surface, what is thệ excess pore water pressure at point Cimmediate construction (in kPa)? 140 95 Effective vertical stress at point B (in kPa) If a surcharge (100kPa additional uniform load) is applied to the surface what is the excess pore waten pressure in the sand after the construction (in kPa)? Total vertical stress at point C in kPa Pore water pressure at point C…
- P-1 A soil profile is shown in Figure along with the standard penetration numbers in the clay layer. Use provided equations to Dry sand y = 16.5 kN/m³ 1.5 m Groundwater table Sand 1.5 m N60 Ysat = 19 kN/m³ determine the variation of 1.5 m • 8 Cu and OCR and preconsolidation pressure o', with depth. What is the average value of c, and OCR? Clay 1.5 m Ysat = 16.8 kN/m³ * A•8 1.5 m • 9 1.5 m 10 Sand 0.689 0.29N0.72 Pa Си N60 OCR = 0.193 o = 0.47NPa %3D %3D Shahid Chamran University of Abvaz 1 ר ר ררפA confined aquifer of 15 m constant thickness is sandwiched between two aquicludes as shown in the figure. (not drawn to scale) Piezometer P 55.2m Piezometric Surface m Aquiclude Aquifer Aquiclude L = 2500m Piezometer Q TTTTTR 34.1m The heads indicated by two piezometers P and Q are 55.2 m and 34.1 m, respectively. The aquifer has a hydraulic conductivity of 80 m/ day and its effective porosity is 0.25. If the distance between the piezometers is 2500 m, the time taken by the water to travel through the aquifer from piezometer location P to Q (in days, round off to 1 decimal place) issla ra CJI Y:- اليوم تحربر Refer to the soil profile shown in figure below CALCULATE PORE WATER PRESSURE (uc ) AT POINT C G.W.T Sand 5m Y sat = 20.9 B. Clay Ysat = 17. 8 4m Let the point A at depth "0". point B at depth "Sm", and point C at depth 9m Select one: a. 87.29 KN/m2 b. 48.29 KN/m2 O c. 81.29 KN/m2 d. 88.29 KN/m2