a high-strength steel pin. Assume that the pin at B is ade- quate to sustain the loading applied to it, and that the design- critical components are the bar BD and the pin at C. The factor of safety against failure of BD by yielding is FS, = 3.0, and the factor of safety against ultimate shear failure of the pin at C is FS, = 3.3. (a) Determine the required thickness, 1, of the rectangular bar BD, whose width is b. (b) Determine the required diameter, d, of the pin at C. %3D P = 2400 lb, L = 6 ft, h = 4 ft Bar BD: b = 1 in., oy = 36 ksi, Pin C: Ty = 60 ksi %3D t = thickness - A B La View a-a L/2 L/2 -||-
a high-strength steel pin. Assume that the pin at B is ade- quate to sustain the loading applied to it, and that the design- critical components are the bar BD and the pin at C. The factor of safety against failure of BD by yielding is FS, = 3.0, and the factor of safety against ultimate shear failure of the pin at C is FS, = 3.3. (a) Determine the required thickness, 1, of the rectangular bar BD, whose width is b. (b) Determine the required diameter, d, of the pin at C. %3D P = 2400 lb, L = 6 ft, h = 4 ft Bar BD: b = 1 in., oy = 36 ksi, Pin C: Ty = 60 ksi %3D t = thickness - A B La View a-a L/2 L/2 -||-
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:DProb. 2.8-8. Boom AC in Fig. P2.8-8 is supported by a rec-
tangular steel bar BD, and it is attached to a bracket at C by
Transcribed Image Text:a high-strength steel pin. Assume that the pin at B is ade-
quate to sustain the loading applied to it, and that the design-
critical components are the bar BD and the pin at C. The
factor of safety against failure of BD by yielding is FS, = 3.0,
and the factor of safety against ultimate shear failure of the
pin at C is FS, = 3.3. (a) Determine the required thickness,
1, of the rectangular bar BD, whose width is b. (b) Determine
the required diameter, d, of the pin at C.
%3D
P = 2400 lb, L = 6 ft, h = 4 ft
Bar BD: b = 1 in., oy = 36 ksi, Pin C: Ty = 60 ksi
%3D
t = thickness -
A
B,
La
View a-a
L/2
L/2
P
P2.8-8 and P2.8-9
DProb. 2.8-9. Solve Prob. 2.8-8 using the following data:
P = 10 kN, L = 3 m, h = 2 m
Bar BD: b = 25 mm, ơy = 250 MPa,
Pin C: Ty = 400 MPa
-||-
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