2. The state of plane stress at a point is represented on the element shown in the figure below. (a) Determine the principal stresses acting on this point, and the corresponding orientation (angle). (b) Determine the maximum in- shear stress, and the corresponding orientation (angle). Also determine the associated average normal stress. (Do draw Mohr's circle). 79 MPa 60 MPa

2. The state of plane stress at a point is represented on the element shown in the figure below. (a) Determine the principal stresses acting on this point, and the corresponding orientation (angle). (b) Determine the maximum in- shear stress, and the corresponding orientation (angle). Also determine the associated average normal stress. (Do draw Mohr's circle). 79 MPa 60 MPa

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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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

2. The state of plane stress at a point is represented on the element shown in the figure below. (a) Determine the
principal stresses acting on this point, and the corresponding orientation (angle). (b) Determine the maximum in-plane
shear stress, and the corresponding orientation (angle). Also determine the associated average normal stress. (Do not
draw Mohr's circle).
79 MPа
60 MPа

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