1.1 Torsional stresses: without doing any calculation, sketch the shear stress distribution for a positive forque T acting on a hollow circular section. 1.2 Stress transformation: without doing any calculation, sketch the positive sign convention for normal and shear stresses on a infinitesimal material volume. Consider a plane state of stress σx, σy and Txy. 1.3 Stress transformation: Without doing any calculation, sketch a Mohr's circle in which σ1>0, 02<0. On the circle identify the center point, and the radius. Show how the center and radius can be found from Ox,σy,Txy. Identify a generic state of stress (σx>0 Txy>0) as point A on the circle, and show graphically the angles 20 p1, 20 p2, and 20s. For problem 1.3, see sample below for a Mohr's circle with σ₁>0, 02>0 Txy Tmax རྟོགས་ཚེ་ √σ(+) Osvg = 0x+5y, R = √(8=-05)² + Txy² (+)DE
1.1 Torsional stresses: without doing any calculation, sketch the shear stress distribution for a positive forque T acting on a hollow circular section. 1.2 Stress transformation: without doing any calculation, sketch the positive sign convention for normal and shear stresses on a infinitesimal material volume. Consider a plane state of stress σx, σy and Txy. 1.3 Stress transformation: Without doing any calculation, sketch a Mohr's circle in which σ1>0, 02<0. On the circle identify the center point, and the radius. Show how the center and radius can be found from Ox,σy,Txy. Identify a generic state of stress (σx>0 Txy>0) as point A on the circle, and show graphically the angles 20 p1, 20 p2, and 20s. For problem 1.3, see sample below for a Mohr's circle with σ₁>0, 02>0 Txy Tmax རྟོགས་ཚེ་ √σ(+) Osvg = 0x+5y, R = √(8=-05)² + Txy² (+)DE
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:1.1 Torsional stresses: without doing any calculation, sketch the shear stress distribution for a positive forque T
acting on a hollow circular section.
1.2 Stress transformation: without doing any calculation, sketch the positive sign convention for normal and shear
stresses on a infinitesimal material volume. Consider a plane state of stress σx, σy and Txy.
1.3 Stress transformation: Without doing any calculation, sketch a Mohr's circle in which σ1>0, 02<0. On the circle
identify the center point, and the radius. Show how the center and radius can be found from Ox,σy,Txy. Identify a
generic state of stress (σx>0 Txy>0) as point A on the circle, and show graphically the angles 20 p1, 20 p2, and 20s.
For problem 1.3, see sample below for a Mohr's circle with σ₁>0, 02>0
Txy
Tmax
རྟོགས་ཚེ་
√σ(+)
Osvg = 0x+5y, R = √(8=-05)² + Txy²
(+)DE
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