Consider a point in a structural member that is subjected to plane stress. Normal and shear stresses acting on horizontal and vertical planes at the point are shown. If 0 = 44 MPa in the direction shown, determine the principal stresses at the point. 85 MPa 56 MPa O 70.9 MPa and -97.0 MPa 82.8 MPa and -136.0 MPa 89.5 MPa and -64.2 MPa 75.1 MPa and -124.1 MPa 64.9 MPa and -105.9 MPa

Consider a point in a structural member that is subjected to plane stress. Normal and shear stresses acting on horizontal and vertical planes at the point are shown. If 0 = 44 MPa in the direction shown, determine the principal stresses at the point. 85 MPa 56 MPa O 70.9 MPa and -97.0 MPa 82.8 MPa and -136.0 MPa 89.5 MPa and -64.2 MPa 75.1 MPa and -124.1 MPa 64.9 MPa and -105.9 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

Consider a point in a structural member that is subjected to plane stress. Normal and shear stresses acting on horizontal and vertical
planes at the point are shown. If 0 = 44 MPa in the direction shown, determine the principal stresses at the point.
85 MPa
56 MPa
O 70.9 MPa and -97.0 MPa
82.8 MPa and -136.0 MPa
89.5 MPa and -64.2 MPa
75.1 MPa and -124.1 MPa
64.9 MPa and -105.9 MPa

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