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(a) Bar with axial forces P

(a) Bar with axial forces P. (b) Three-dimensional view of the cut bar showing the normal stresses. (c) Two-dimensional view. (a) Bar with axial forces P. (b) Three-dimensional view of the cut bar showing the stresses. (c) Two-dimensional view.

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(a) Bar with axial forces P

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  1. (a) Bar with axial forces P (b) Three-dimensional view of the cut bar showing the normal stresses (c) Two-dimensional view

  2. (a) Bar with axial forces P (b) Three-dimensional view of the cut bar showing the stresses (c) Two-dimensional view

  3. Sign convention for stresses acting on an inclined section (Normal stresses are positive when in tension and shear stresses are positive when they tend to produce counterclockwise rotation)

  4. Graph of normal stress sq and shear stress tq verses angle q of the inclined section

  5. Shear failure along a 45° plane of a wood block loaded in compression

  6. Slip bands (or Lüders’ bands) in a polished steel specimen loaded in tension

  7. A prismatic bar having cross-sectional area A=1200 mm2 is compressed by an axial load P=90 kN Determine the stresses acting on an inclined section pq cut through the bar at an angle of 25°. Determine the complete state of stress for an element oriented at 25° and show the stresses on a properly oriented stress element. Gere example 2-10

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