Problem 23.4. A hook carries a load of 7.5 kNand the load line is at a distance of 20 mm from the inner edge of the section which is trapezoidal. The load line also passes through the centre of curvature of the hook. The dimensions of the central horizontal trapezoidal section are : inner width minimum stresses. Also plot the variation of stress across the section. 30 mm ; outer width = 15 mm ; depth = 30 mm. Calculate the maximum and
Problem 23.4. A hook carries a load of 7.5 kNand the load line is at a distance of 20 mm from the inner edge of the section which is trapezoidal. The load line also passes through the centre of curvature of the hook. The dimensions of the central horizontal trapezoidal section are : inner width minimum stresses. Also plot the variation of stress across the section. 30 mm ; outer width = 15 mm ; depth = 30 mm. Calculate the maximum and
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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
Transcribed Image Text:Problem 23.4. A hook carries a load of 7.5 kN and the load line is at a distance of 20 mm
from the inner edge of the section which is trapezoidal. The load line also passes through the
centre of curvature of the hook. The dimensions of the central horizontal trapezoidal section are :
inner width = 30 mm ; outer width = 15 mm ; depth = 30 mm. Calculate the maximum and
minimum stresses. Also plot the variation of stress across the section.
%3D
Sol. Given :
HE.1000 NT

Transcribed Image Text:d = 30–
Centre of
curvature
A
iB
C BA
-d2+d,- 20 mm-
Axis of
Centroidal
R=e
curvature
A
axis
Load line
A
Load line
53.56
+
107.07 N/mm
Centroidal axis
stribution
F0€ = 'g
ssens
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