2. The axial stresses are 10 MPa in the wood post B and 200 MPa in the steel bar A of Figure 2. Determine (a) the load P (b) the minimum diameter for pin C if it is in single shear and the cross shearing stress is limited to 75 MPa (c) the minimum diameter for pin D if it is in double shear and the cross shearing stress is limited to 85 MPa. Smooth pins 150 mm FIG. P1-20 A Steel area = 300 mm² D 250 mm Wood area = 4500 mm² Figure 2 E
2. The axial stresses are 10 MPa in the wood post B and 200 MPa in the steel bar A of Figure 2. Determine (a) the load P (b) the minimum diameter for pin C if it is in single shear and the cross shearing stress is limited to 75 MPa (c) the minimum diameter for pin D if it is in double shear and the cross shearing stress is limited to 85 MPa. Smooth pins 150 mm FIG. P1-20 A Steel area = 300 mm² D 250 mm Wood area = 4500 mm² Figure 2 E
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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2. Please include FBD & make the solutions understandable

Transcribed Image Text:2. The axial stresses are 10 MPa in the wood post B and 200 MPa in the steel bar A of Figure 2.
Determine (a) the load P (b) the minimum diameter for pin C if it is in single shear and the cross shearing
stress is limited to 75 MPa (c) the minimum diameter for pin D if it is in double shear and the cross
shearing stress is limited to 85 MPa.
Smooth
pins
150 mm
FIG. P1-20
A Steel area= 300 mm²
D
250 mm
Wood area = 4500 mm2
Figure 2
E
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