The stress state at a point in the truss is shown in the figure.
Determine in member LI, a) the principal stresses and b) the
maximum shear stress in the plane, and the average normal stress at
the point. Specify, in each case, the orientation of the
element.
The Stress State At A Point In The Truss Is Shown In The Figure Determine In Member Li A The Principal Stresses And B 1 (28.82 KiB) Viewed 26 times
180 MPa 150 MPa
660 + 4kn 4kw 4k 4 KN 9kn 4kn E wzE k 17 2 KN F 2 KN A M " IL I 2 m H 2 m * * 2m 2m # 12.8 m P P
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