Answered: 0=-80MPA o=20MPA 0=20MPA 0=-80MPA

Engineering

Civil Engineering

0=-80MPA o=20MPA 0=20MPA 0=-80MPA

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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Represent the stress state on a 2-dimensional square element, given the Mohr circle below. (a) Determine the maximum shear stress. (b) Determine the maximum and minimum principal stresses. (c) Planes on which the greatest shear stress and principal stresses act are square other than the square element. Show the elements by drawing.
The state of stress at a point in a member is shown on the element. Determine the principal normal stresses and their orientation and the maximum in-plane shear stress and their orientation. Draw Mohr’'s circle and Show results on properly oriented elements. -60 30 -50 40 -40 T-30 30 30 -20 40 30 -10 -60 -50 -40 -30 -20 -10 30 40 50 10 20 бо 10 20 30 40 50 60
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Please help! Mohr’s circle is shown for a point in a physical object that is subjected to plane stress. Each grid square is 4 MPa in size.(a) Determine the stresses σx, σy, and the magnitude of τxy and show them on a stress element.(b) Determine the stresses σn, σt, and the magnitude of τnt and show them on a stress element that is properly rotated with respect to the x-y element. The sketch must include the magnitude of the angle between the x and n axes and an indication of the rotation direction (i.e., either clockwise or counterclockwise).
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5 in? in. 3 in? 1 in? 500 lb. 1500 Ib. 20 in. 20 in. 20 in. E = 29 x 106 psi Member 1 2 3 a) Develop the system stiffness matrix for the three element bar shown. b) Use the applied loads and boundary condition to develop the restrained system stiffness matrix with the applied loads c) Find the deflections at each node d) Solve for the internal forces in each rod element e) Compute the strain energy in the structure. f) Verify the results that you found for c) by using classical approach, õ=(P.L)/(A.E)
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Determine principle stress and angles