Answer Q13 to Q 15 based on following description A cutting in a saturated clay is inclined at a slope 1 vert:1.2 horizontal and has a vertical height of 10.0 m. The bulk unit weight of the soil is 18 kN/m³ and its undrained cohesion is 35 kN/m³. Undrained friction angle, 4 -0. Area of slip mass = 51.2 m², d= 7m 12m 2m 1 10m FoS of a slope along a circular slip surface is given by; CuLar F = Wd Calculate the arc length along the slip surface, La O a-964.8 m O b. 16.8 m O c. 114.0 m O d.g.4 m d=5m 1.2 W

Answer Q13 to Q 15 based on following description A cutting in a saturated clay is inclined at a slope 1 vert:1.2 horizontal and has a vertical height of 10.0 m. The bulk unit weight of the soil is 18 kN/m³ and its undrained cohesion is 35 kN/m³. Undrained friction angle, 4 -0. Area of slip mass = 51.2 m², d= 7m 12m 2m 1 10m FoS of a slope along a circular slip surface is given by; CuLar F = Wd Calculate the arc length along the slip surface, La O a-964.8 m O b. 16.8 m O c. 114.0 m O d.g.4 m d=5m 1.2 W

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter15: Retaining Walls, Braced Cuts, And Sheet Pile Walls

Section: Chapter Questions

Problem 15.20P

See similar textbooks

Similar questions

st
A footing of size 2m×2m transferring a pressure of 200 kN/m², is placed at a depth of 1.5 m below the ground as shown in the figure (not drawn to the scale). The clay stratum is normally consolidated. The clay has specific gravity of 2.65 and compression index of 0.3. 1.5m 1m 1.5 m 200 kN/m² Silty sand Clay Ya =15kN/m³ Y sat = 18kN/m³ Y sat = 17 kN/m³ GWT $0.5 m Dense sand Considering 2:1 (vertical to horizontal) method of load distribution and Y₁ = 10kN/m³, the primary consolida- tion settlement (in mm, round off to two decimal places) of the clay stratum is
A footing of size 2m x 2m transferring a pressure of 200 kN/m2, is placed at depth of 1.5 m below the ground as shown in the figure (not drawn to the scale). The clay stratum is normally consolidated. The clay has specific gravity of 2.65 and compression index of 0.3. 200 kN/m? 1.5 m GWT Ya = 15 kN/m 18 kN/m elemiu 1 m Silty Sand Ysat = 10.5 m 1.5 m Clay Yat = 17 kN/m Dense Sand Consideration 2:1 (vertical to horizontal) method of load distribution and yw primary consolidation settlement (in mm, round off to two decimal places) of the clay stratum is 10kN/m, the
Soil
24.A series of consolidated, undrained triaxial tests were carried out on specimens of asaturated clay under no backpressure. The test data at failure are summarized:Confiningpressure (kPa) Deviator stress(kPa) Pore waterpressure (kPa) 150 192 80300 341 154450 504 222 a. Draw the Mohr circles and find the cohesion and friction angles in terms of effectivestresses.b. Compute Skempton’s A- parameter at failure for all three specimens.c. Is the soil normally consolidated or over consolidated? Why?d. Another specimen of the same day that was consolidated under a cell pressure of 250 kPa wassubjected to a consolidated, drained tri axial test. What would be the deviator stress at failure?
A building with a rectangular footing is constructed as the following figure. The design building load to the footing is 12800 kN. The unit weight of soil and consolidation test parameters of the Clay layer are provided. Calculate the clay consolidation settlement along the center of footing due to the loading. The initial void ratio, eo, is 1.15. Use DM 7.01 manual to find the influence factor and one sublayer approach for the clay formation. 5m 3.5m Sand 4m Ysand = 13.5 kN/m3 Clay C, = 0.072 Cc = 0.379 102 kPa Yclay = 16.2 kN/m3 i 10m Pp %D Sand Bedrock Center of footing
Compute the angle of internal friction. The results of a three consolidated undrained tri-axial test on saturated clay are as follows: a. 15.03°b. 12.06°c. 18.40°d. 31.05°
sr
The square footing shown in the figure carries a load of 3500 kN. Assume that the stress below the footing is distributed at a slope of 1H:2V. The clay layer is overconsolidated with OCR=2. Pls answer asap. 3 decimal places.
CEN-333 Geotechnical
The following results were obtained from CU tests on a clay soil that is the foundation material for an embankment. σ, (kPa) 300 400 600 0₁-0₂ (kPa) 331 420 487 Au (kPa) 111 160 322 (a) Determine the total and effective principal stresses for all three tests (You may summarize them in a table). (b) Recommend the shear strength parameters to be used for short-term and long-term analyses. The maximum confining pressure (cell pressure) at the depth of interest is 300 kPa. (Note: the clay is a normally consolidated one).
Q-1: The subsoil profile of a proposed site of construction is shown below, a square footing of 2m x 2m carries a load of 1000 kN and is laid with its base at 1m depth below ground surface assuming that post construction settlement in sand is negligble determine the consolidation settlement of clay layer on account of construction. There is geological evidence, clay is NC, use 2 vertical and 1 horizontal for load dispression to estimate the stress increase in clay layer. 1000 KN 2m 2 m 3 m 1m 7 W₁ = 40% G = 2.7 W₁ = 60% Rock Soil Profile Sand y = 16 kN/m³ Sand Y = 20 kN/m³ Clay Y = 19 kN/m³ W.T