onsider the soil profile shown in Figure 1.4: How high should the groundwater table rise/drop so that the effective stress at C is 130 kN/m2?
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Consider the soil profile shown in
Figure 1.4: How high should the
groundwater table rise/drop so that
the effective stress at C is 130 kN/m2?
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- k Il.pdf 1C:/Users/YONAST%20TSIGHE/Downloads/BYG504%20G%20Geoteknikk%20|l.pdf Water content of a saturated soil sample A at a mean effective stress of 50 kPa is 85%. Under a standard CD test, sample A was iso-tropically consolidated to a mean effective stress of 400 kPa, the water content was 65% at the end of the consolidation. It was then iso- tropically unloaded to a mean effective stress of 300 kPa, its water content increased by 1%. a) Calculate 2 and K, and try to draw the initial yield surface and critical state line in a p', q coordinate if o'cs= 30°; if a standard CD test was continued by keeping the o: and o: pressure constant while increasing the axial stress ơi, predict stresses p'y and qy at initial yielding, and its elastic volumetric strain and plastic volumetric strain. b) After this initial yield, a stress path Ag/Ap=2 is continued in a drained condition, predict the volumetric elastic and plastic strain increment when mean stress p' was increased by 50 kPa along this…Calculate the variations of o, u, and o' at points A, B, and C, and how high should the groundwater table rise so that the effective stress at C is 111 kPa? A Dry sand e=0,61 G = 2.66 4 m - B Saturated sand. 5 m e = 0,48 G=2.67 Clay © Cengage Learning 2014Situation 4 - Three samples of loose sand were tested under consolidated undrained (CU) conditions. Test results are given below:Undrained angle of friction = 35°Deviator Stress = 260 kPaPore Water Pressure = 30 kPaDetermine the undrained confining pressure in kPa. Round off to three decimal places.
- Ciectical Cnyineers GToup as Cv= 40.32% The following data represent the results obtained from the specific gravity (S.G.) test performed ina soil laboratory including * ?for sand samples. Find the mode Number of Specific Gravity 2.30-2.39 Samples 2.40-2.49 4 2.50-2.59 6. 12 2.60-2.69 2.70-2.79 14 2.80-2.89 3.35-3.40 2.10-2.15 2.20-2.25 2.70-2.75 2.80-2.85 2.30-2.35 2,60-2.65 2.40-2,45 2.50-2.55 2.90-2.95 ارفع اجابتك بشكل ملف wdf او صورة 1O 0O O O O O OUsing the correlations discussed in class, what would be the approximate Modulus of Elasticity (E.) of a clean, over consolidated sand with an average N60 value of 8? Assume the atmospheric pressure at the site is 2.100 lb/ft2. Provide your answer in lb/ft (write number only)In a drained triaxial test on consolidated clay the stress and angle are as follows: Deviator stress is 20 1b/in2 and friction angle is 210 . Calculate the effective confining pressure at failure.? A) 21 1b/in2 B) 22.2 1b/in2 C) 25.4 1b/in2 D) 17.9 1b/in2 make it fast
- 12.4 The following are the results of four drained direct shear tests on undisturbed nor- mally consolidated clay samples having a diameter of 50 mm. and height of 25 mm. Normal Shear force at Test no. force (N) fallure (N) 1 67 23.3 133 46.6 3 213 44.6 4 369 132.3 Draw a graph for shear stress at failure against the normal stress and determine the drained angle of friction from the graph. © Ceng age Leaming 2014The total density of sand in an embankment was found to be 1900kg/m^3 and the field water content was 12% . In the laboratory, the density of the solid was found to be 2660 kg.m^3, and the maximum and minimum voids ratio were 0.63 and 0.44, respectively What is the void ratio of the sand? Calculate the relative density of the sand in the field:10. 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
- The question in the subject of advanced soil mechanics, dear, answer all points, thank you A sand sample is consolidated in triaxial apparatus under axial stress = 200 kPa and radial stress or 50 kPa then sheared under standard triaxial test. If the specific volume before shear is v. = 1.7 and the sand have the following constants; I 2.0, 2 0.05, M = 1.3, - What will be:- The magnitude of back water pressure so that the water will not cavitate during undrained failure. and The undrained shear strength of sand. and The drained shear strength if the sand volume decreases so that (de/des) = 0.3Three samples of loose sand were tested under consolidated undrained (CU) conditions. The failure stress and excess pore water pressure for the soil sample is given below. Cell Pressure - 206 kPa Deviators Stress - 122 kPa Pore Water Pressure - 82 kPa Determine the drained angle of inclination of failure plane in degrees. Use stored value. Asnwer in 5 decimal places.viruses Unless you need to edit, it's sater to stay in riooutu VIum 11 Example The soil profile is shown below. Plot effective stress, total stress and pore pressure with depth for the entire profile. The soil profile is shown below. What are the total stresses effective stresses at point A WAYAYT. WAYINA P = 2.70 Mg/m3 2 m Sand n= 0.5 2 m Psat = 2.0 Mg/m3 4 m Clay A Activate Window Go to Settings to activat ||