A 2 m wide continuous foundation is placed at 1 m depth within a 1.5 m thick sand layer that is underlain by a weaker clay layer. The soil properties are as follows: Upper sand layer: unit weight = 18.0 kN/m2, d' = 38° Lower clay layer: unit weight = 19.0 kN/m, undrained shear strength = 25 kN/m2 Determine the maximum wall load that can be allowed on the foundation with FS = 3. A 2.0 m wide continuous foundation is placed at 1.5 m depthin a saturated clay where c, = 40 kN/m² and y = 18.5 kN/m³.At 2.0 m below the ground level, this clay layer is underlainby a stiffer clay where c, = 60 kN/m² and y = 19.0 kN/m³.7.6What would be the maximum wall load allowed with FS = 3?Use Eq. (7.11).7.7Redo Problem 7.6 using Vesic's (1975) solution [Eq. (7.12)]. 7.8A 2 m wide continuous foundation is placed at 1 m depthwithin a 1.5 m thick sand layer that is underlain by a weakerclay layer. The soil properties are as follows:Upper sand layer: unit weight = 18.0 kN/m³, o' = 38°Lower clay layer: unit weight = 19.0 kN/m³, undrainedshear strength = 25 kN/m²Determine the maximum wall load that can be allowed onthe foundation with FS = 3.A 3 m thick clay layer (c, = 60 kN/m² and y = 19.0 kN/m³)is underlain by a weaker clay (cu = 30 kN/m² andy = 18.0 kN/m³) to a large depth. A 2.0 m wide square7.9foundation is placed at 1.5 m depth below the ground level.Determine the maximum column load that can be allowed onthe foundation with FS = 3.

Given:- The width of the foundation = B = 2 m The depth of the foundation = Df = 1 m The thickness…

Answered: A 2 m wide continuous foundation is…

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter7: Ultimate Bearing Capacity Of Shallow Foundations: Special Cases

Section: Chapter Questions

Problem 7.6P

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A 2 m wide continuous foundation is placed at 1 m depth within a 1.5 m thick sand layer that is underlain by a weaker clay layer. The soil properties are as follows: Upper sand layer: unit weight = 18.0 kN/m2, d' = 38° Lower clay layer: unit weight = 19.0 kN/m, undrained shear strength = 25 kN/m2 Determine the maximum wall load that can be allowed on the foundation with FS = 3.

A 2.0 m wide continuous foundation is placed at 1.5 m depth
in a saturated clay where c, = 40 kN/m² and y = 18.5 kN/m³.
At 2.0 m below the ground level, this clay layer is underlain
by a stiffer clay where c, = 60 kN/m² and y = 19.0 kN/m³.
7.6
What would be the maximum wall load allowed with FS = 3?
Use Eq. (7.11).
7.7
Redo Problem 7.6 using Vesic's (1975) solution [Eq. (7.12)].

7.8
A 2 m wide continuous foundation is placed at 1 m depth
within a 1.5 m thick sand layer that is underlain by a weaker
clay layer. The soil properties are as follows:
Upper sand layer: unit weight = 18.0 kN/m³, o' = 38°
Lower clay layer: unit weight = 19.0 kN/m³, undrained
shear strength = 25 kN/m²
Determine the maximum wall load that can be allowed on
the foundation with FS = 3.
A 3 m thick clay layer (c, = 60 kN/m² and y = 19.0 kN/m³)
is underlain by a weaker clay (cu = 30 kN/m² and
y = 18.0 kN/m³) to a large depth. A 2.0 m wide square
7.9
foundation is placed at 1.5 m depth below the ground level.
Determine the maximum column load that can be allowed on
the foundation with FS = 3.

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