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Question: problem 1 assuming t3 55 mpa and 30 compute and...

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Problem 1: Assuming T--3 5.5 MPa and ơ3-0; compute and sketch the Griffith failure envelope. Fit a Mohr circle to the Griffith envelope (i.e. a circle that intersects the envelope at exactly two points, and goes through 03. Compute the value of σ, after fitting the Mohr circle and then find the coordinates ofo, and On for a plane that connects the center point of a the Mohr circle to intersection poin the Giffith envelope. Determine the angle θ. What does θ represent? (40 points) Hint: Use Griffith failure criterion equatio calculations. At minimum, calculate 10 values to construct the fail recommended, as it will increase the accuracy. Use graph paper. t of n to calculate Ơs for different values of ơn,Show your
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