Consider a point in a structural member that is subjected to plane stress. Normal and shear stress magnitudes acting on horizontal and vertical planes at the point are S-51 MPa, Sy- 10 MPa, and Sy-33 MPa. (a) Determine the principal stresses (o > o2) and the maximum in-plane shear stress fmax acting at the point. (b) Find the smallest rotation angle 0, (counterdockwise is positive, clockwise is negative) that will rotate to principal directions. Then show these stresses in an appropriate sketch (e.g, see Figure 12.15 or Figure 12.16) Answers: Ppl 3= MPa. 2 = MPa. max MPa.

Consider a point in a structural member that is subjected to plane stress. Normal and shear stress magnitudes acting on horizontal and vertical planes at the point are S-51 MPa, Sy- 10 MPa, and Sy-33 MPa. (a) Determine the principal stresses (o > o2) and the maximum in-plane shear stress fmax acting at the point. (b) Find the smallest rotation angle 0, (counterdockwise is positive, clockwise is negative) that will rotate to principal directions. Then show these stresses in an appropriate sketch (e.g, see Figure 12.15 or Figure 12.16) Answers: Ppl 3= MPa. 2 = MPa. max MPa.

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter8: Vertical Stress Increase In Soil

Section: Chapter Questions

Problem 8.6P: Two line loads q1 and q2 of infinite lengths are acting on top of an elastic medium, as shown in...

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