A centric load P is applied to the granite block shown.

Chapter 1, Problem 1.33

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QUESTION:

A centric load P is applied to the granite block shown. Knowing that the resulting maximum value of the shearing stress in the block is 2.5 ksi, determine (a) the magnitude of P, (b) the orientation of the surface on which the maximum shearing stress occurs, (c) the normal stress exerted on that surface, (d) the maximum value of the normal stress in the block.

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QUESTION:

A centric load P is applied to the granite block shown. Knowing that the resulting maximum value of the shearing stress in the block is 2.5 ksi, determine (a) the magnitude of P, (b) the orientation of the surface on which the maximum shearing stress occurs, (c) the normal stress exerted on that surface, (d) the maximum value of the normal stress in the block.

ANSWER:

Step 1 of 6

First We have to find the largest possivel load P and corresponding maximum stresses that can be applied on the given section on permissible shearing stress on the inclined plane.

Given Data are

Cross-sectional Area:

Maximum shearing stress:

Inclination for maximum sharing stress:

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