A cutting is made in clay y=20kN/m³, ¤ =0, c = 35 kN/m2. Take FOS=1.5 and Sn = 0.17. Maximum depth of cutting will be,5.8610.29 m6.86 m9.29

Given data A cutting is in a clay soil. γclay = 20 KN/m3 ϕ = 0° C = 35 KN/m3 FOS = 1.5 Sn =…

Answered: A cutting is made in clay y=20kN/m³, ¤…

A cutting is made in clay y=20kN/m³, ¤ =0, c = 35 kN/m². Take FOS= 1.5 and Sn = 0.17. Maximum depth of cutting will be, 5.86 10.29 m 6.86 m 9.29

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter9: In Situ Stresses

Section: Chapter Questions

Problem 9.10P

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Concept explainers

Highway Drainage

Highway drainage is the process of extracting and regulating the excess surface water on the pavement by giving the desired slope. The construction of a highway drain helps to divert the water present on the surface, and sub-grade by the means of slope. Highway drainage systems are a necessary part of smooth functioning of traffic, since the highway drainage systems provide proper disposal of unwanted substances from the highways.

Question

A cutting is made in clay y=20kN/m³, ¤ =0, c = 35 kN/m2. Take FOS=
1.5 and Sn = 0.17. Maximum depth of cutting will be,
5.86
10.29 m
6.86 m
9.29

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Maximum unsupported clay is = depth of cut in a 50 kN/m², y Y = M. (c 18 kN/m³ and $ = 30°)
A cut is to be made in clay for which the cohesion is 40 kN/m² and = 0. The maximum safe depth of cut will be m. (upto one decimal place) For FOS = 1.5, Take Sn = 0.17 and Y = 20 kN/m³.
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Q-3: A cut is made in a stiff, saturated clay that is underlain by a layer of sand (following figure). What should be the height of the water, h, in the cut so that the stability of the saturated clay is not lost? H = 5 m 7m 2 m ↓ Saturated clay Sand Ysat 19 kN/m³ 4.5 m Ysat = 18 kN/m³
Q.civil,.
Geotechnical problem
A cross-section of a channel is given in Figure 3. Determine the long-term stability of the bankusing the Fellenius, and Bishop's method of slices. Note: In this type of problems, it is usually assumed that the clay above the water table(phreatic line) is fully saturated; therefore, ysat is used. R=25.6m 1c.4m Soil @ 9 3m 8-19 B k c'-197 kH/m2 13 7m 3.2 g 59tm Soile 8: 19.8kNl, c 2.67KN/ 33° BEDROCK I1.46 m to 1786m IB.6 m Figure 3
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