3
Principal Stresses and Strains
CHAPTER OBJECTIVES
We will learn about principal stresses, planes of principal stresses and strains on principal planes. Practical examples of principal planes in actual components will also be discussed. In this chapter we will learn about principal stresses/strains.
Determination of the normal and shear stresses on a plane inclined on two planes on which stresses are given.
Determination of the angle of the plane on which shear stress is zero.
Determination of the maximum and minimum principal stresses and the planes of such stresses.
Graphical method to determine principal stresses at a point. In many typical cases students are confused to locate the centre of Mohr’s stress circle. This concept is clearly ...
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