Aơ =(6.33)where I' = a function of B/z and B2/z.The variation of I' with B/z and B,/z is shown in Figure 6.18. An application of thisdiagram is given in Example 6.8.0.502.03.0-1.61.41.20.451.00.400.90.80.70.350.60.300.50.4I'0.250.200.20.15Figure 6.18 Influence value I' forembankment loading (After Osterberg,1957) Osterberg, J. O. (1957)."Influence Values for Vertical Stresses0.100.1B1lz = 0in Semi-Infinite Mass Due toEmbankment Loading," Proceedings,Fourth International Conference on SoilMechanics and Foundation Engineering,London, Vol. 1. pp. 393–396. Withpermission from ASCE.0.050.010.11.010B2lzJuulL A 3 m high embankment is to be constructed as shown in the figure. If the unitweight of soil used in the embankment is 19 kN/m³, calculate the vertical stress due to theembankment loading at points P1, P2, and P3.10.57.564.5KCE4.53.0|y= 19 kN/mB3.03.0 i-3.0P3Note: All dimensions are in metresP,

solution: q = γH =19 × 3 = 57kN/m2 z=3m The embankment is divided into blocks for making use…

Answered: calculate the vertical stress

Engineering

Civil Engineering

calculate the vertical stress

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter3: Weight–volume Relationships

Section: Chapter Questions

Problem 3.24P

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Concept explainers

Methods to Determine Vertical Stress

The load applied to the soil is transferred to the underground. The presence of water at soil pores and solid grains above the soil are the primary components that are responsible for the effective load transfer. Due to the load acting, the internal component of the soil or the underground formations undergoes deformations or a tectonic shift. The amount of deformation depends upon the amount of load acting on the soil surface, which indeed, depends on the weight of everything present above the soil. Due to this, the underground soil element develops internal stresses which try to resist the tectonic changes.

Question

100%

Aơ =
(6.33)
where I' = a function of B/z and B2/z.
The variation of I' with B/z and B,/z is shown in Figure 6.18. An application of this
diagram is given in Example 6.8.
0.50
2.03.0-
1.6
1.4
1.2
0.45
1.0
0.40
0.9
0.8
0.7
0.35
0.6
0.30
0.5
0.4
I'
0.25
0.20
0.2
0.15
Figure 6.18 Influence value I' for
embankment loading (After Osterberg,
1957) Osterberg, J. O. (1957).
"Influence Values for Vertical Stresses
0.10
0.1
B1lz = 0
in Semi-Infinite Mass Due to
Embankment Loading," Proceedings,
Fourth International Conference on Soil
Mechanics and Foundation Engineering,
London, Vol. 1. pp. 393–396. With
permission from ASCE.
0.05
0.01
0.1
1.0
10
B2lz
JuulL

A 3 m high embankment is to be constructed as shown in the figure. If the unit
weight of soil used in the embankment is 19 kN/m³, calculate the vertical stress due to the
embankment loading at points P1, P2, and P3.
10.5
7.5
6
4.5
K
CE
4.5
3.0
|y= 19 kN/m
B
3.0
3.0 i-3.0
P3
Note: All dimensions are in metres
P,

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A 3 m high embankment is to be constructed as shown in the figure. If the unit weight of soil used in the embankment is 19 kN/m, calculate the vertical stress due to the embankment loading at points P1, P2, and P3. 10.5 7.5 6 4.5 CE +4.5 3.0 |y= 19 kN/m B 3.0 -3.0 1 P3 -3.0- Note: All dimensions are in metres
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