6. At a point in a structural member subjected to plane stress, there are normal and shearing stresses on horizontal and vertical planes as shown in Fig. 3. (a) Construct a Mohr's circle and use it to calculate principal stresses and maximum shearing stress at the point. (b) Use the Mohr's circle to determine nomal stress o,and shearing stress „ on the plane AB. You must indicate the n-t axes on your Mohr's circle and use geometry to find answers. 50 MPa B25 MPa – 30 MPa

6. At a point in a structural member subjected to plane stress, there are normal and shearing stresses on horizontal and vertical planes as shown in Fig. 3. (a) Construct a Mohr's circle and use it to calculate principal stresses and maximum shearing stress at the point. (b) Use the Mohr's circle to determine nomal stress o,and shearing stress „ on the plane AB. You must indicate the n-t axes on your Mohr's circle and use geometry to find answers. 50 MPa B25 MPa – 30 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

6. At a point in a structural member subjected to plane stress, there are normal and
shearing stresses on horizontal and vertical planes as shown in Fig. 3.
(a) Construct a Mohr's circle and use it to calculate principal stresses and maximum
shearing stress at the point.
(b) Use the Mohr's circle to determine nomal stress o,and shearing stress „ on the
plane AB. You must indicate the n-t axes on your Mohr's circle and use
geometry to find answers.
50 MPa
B25 MPa
– 30 MPa

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