Question: In the system shown in the figure, calculate the stress values at points A, B and C under the given loading effect. Choose one of these three points and find the principal stresses and the maximum shear stress that will occur at that point using Mohr's Circle.

Question: In the system shown in the figure, calculate the stress values at points A, B and C under the given loading effect. Choose one of these three points and find the principal stresses and the maximum shear stress that will occur at that point using Mohr's Circle.

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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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.

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Step 2: Direct and bending stress

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Step 3: Direct and bending stresses at A, B and C

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Step 4: Shear stresses at A, B and C

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Step 5: Principal stresses and maximum shear stress for point B

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The stresses shown act at a point in a stressed body. The stress magnitudes are Sx = 85 MPa and S, =- 200 MPa, acting in the directions indicated in the figure. Using the equilibrium equation approach, determine the normal and shear stresses at this point on the inclined plane shown. Assume B= 48°
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