Prologue This PowerPoint will be proceeded by a derivation of important Mohr Circle equations.

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Presentation transcript:

Prologue This PowerPoint will be proceeded by a derivation of important Mohr Circle equations.

Note this txy turns the element CCW, plot x below the s axis

Recall this txy turns the element CCW, plot x below the s axis

Worked Example 2

sp1 = C + R

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An example from New Zealand In New Zealand the shear stress t sign convention is reversed from the one we are currently using. Doesn’t matter, circles are symmetrical. Notice the strong graphical use, relying on a scale (ruler) for graphing and measurements. http://www.youtube.com/watch?v=SQ7UYPN1Yrg Video by Steve Tomsett at CPIT