Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN: 9781305635180
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 13, Problem 13.14P
To determine
Find the factor of safety.
Find the type of failure circle.
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A site consists of a 12 m thick saturated clay deposit underlain by bedrock. The clay has ??=20.0????/??3and ????=40????/??2 . If an excavation is to be made at a slope angle ??=25° to a depth of 10.0 m, what would be the factor of safety FSs? What type of failure circle would you expect?
Q.4
A 40° slope is excavated to a depth of 8 m in a deep layer of saturated clay having
strength parameters c = 58 kN/m², Ø = 0, and y = 18 kN/m³. Determine the factor of
safety for the trial failure surface shown in Fig. 4
Q.5
Figure 5 shows an infinite slope with H = 32 ft and the groundwater table coinciding
An excavation is made with a vertical face in a
clay soil which has C_{u} = 50kN /(m ^2)
gamma_{1} = 18kN / (m^3) and S_{n} = 0.261.
The maximum depth of a stable excavation will be
nearly?
Chapter 13 Solutions
Fundamentals of Geotechnical Engineering (MindTap Course List)
Ch. 13 - Prob. 13.1PCh. 13 - Prob. 13.2PCh. 13 - Prob. 13.3PCh. 13 - Prob. 13.4PCh. 13 - Prob. 13.5PCh. 13 - Prob. 13.6PCh. 13 - Prob. 13.7PCh. 13 - Prob. 13.8PCh. 13 - Prob. 13.9PCh. 13 - Prob. 13.10P
Ch. 13 - Prob. 13.11PCh. 13 - Prob. 13.12PCh. 13 - Prob. 13.13PCh. 13 - Prob. 13.14PCh. 13 - Prob. 13.15PCh. 13 - Prob. 13.16PCh. 13 - Prob. 13.17PCh. 13 - Prob. 13.18PCh. 13 - Prob. 13.19PCh. 13 - Prob. 13.20PCh. 13 - Prob. 13.21PCh. 13 - Prob. 13.22PCh. 13 - Prob. 13.23PCh. 13 - Prob. 13.25PCh. 13 - Prob. 13.26PCh. 13 - Prob. 13.27CTPCh. 13 - Prob. 13.28CTPCh. 13 - Prob. 13.29CTP
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- When a vertical face excavation was made in a deposit of clay, it failed at a depth of 2.8 m of excavation. Find the shear strength parameters of the soil if its bulk density is 17 kN/m³.arrow_forwardA vertical cut has been made into a homogeneous soil as depicted in the figure. What should the depth of the cut (H) be in metres so that the factor of safety for the failure plane shown is equal to 1.5? The failure plane is at an angle of 30° from the horizontal direction and the ground water level is below this plane. Assume undrained conditions for this question.arrow_forwardA vertical cut is made in a purely cohesive soil with a volumetric weight of ym = 1.90 cohesion of 4.0 ton/m2 and angle of internal friction of $=0°. These parameters were obtained in a consolidated rapid test. Calculate the maximum height at which it can be temporarily withoutsupport. H? EXCAVACIÓN ARCILLA Ym 1.90 ton/m³ C = 4.00 ton/m² Excavation= Excavación Clay= Arcilla = 0°arrow_forward
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