Q3) Given the following principal stresses under NORMAL faulting regime (assuming Andersonian state of stress). What is the stress tensor if the SHmax is oriented exactly to the south? S1= 73 MPa, S2= 40 MPa, S3= 35 MPa.

Q3) Given the following principal stresses under NORMAL faulting regime (assuming Andersonian state of stress). What is the stress tensor if the SHmax is oriented exactly to the south? S1= 73 MPa, S2= 40 MPa, S3= 35 MPa.

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter16: Lateral Earth Pressure

Section: Chapter Questions

Problem 16.3P: The soil profile at a site is shown Figure P16.3. Find the total horizontal normal stresses at A and...

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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

Q3) Given the following principal stresses under NORMAL faulting regime (assuming
Andersonian state of stress). What is the stress tensor if the SHmax is oriented exactly to
the south?
S1= 73 MPa, S2= 40 MPa, S3= 35 MPa.

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