calculate the location of the centroid, the second moments and product of area for the cross- section if; D = 67 mm, B = 41 mm & t = 2.41 mm A L Test beam A Strain gauge W (a) Unsymmetrical cantilever beam with weight applied at the free end and at the "shear centre", so that there is no torsion induced. Section A-A Strain gauge 1 Strain gauge 2 b Strain gauge 3 a B (b) Location of Huggenberger strain gauges From these, calculate the orientation and position of neutral axis for pure bending in the vertical plane (i.e. bending about a horizontal axis).
calculate the location of the centroid, the second moments and product of area for the cross- section if; D = 67 mm, B = 41 mm & t = 2.41 mm A L Test beam A Strain gauge W (a) Unsymmetrical cantilever beam with weight applied at the free end and at the "shear centre", so that there is no torsion induced. Section A-A Strain gauge 1 Strain gauge 2 b Strain gauge 3 a B (b) Location of Huggenberger strain gauges From these, calculate the orientation and position of neutral axis for pure bending in the vertical plane (i.e. bending about a horizontal axis).
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:calculate the location of the centroid, the second moments and product of area for the cross-
section if;
D = 67 mm, B = 41 mm & t = 2.41 mm
A
L
Test beam
A
Strain gauge
W
(a) Unsymmetrical cantilever beam with weight applied at the free end
and at the "shear centre", so that there is no torsion induced.
Section A-A
Strain
gauge 1
Strain
gauge 2
b
Strain gauge 3
a
B
(b) Location of Huggenberger strain gauges
From these, calculate the orientation and position of neutral axis for pure bending in the vertical plane (i.e.
bending about a horizontal axis).
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