5. Find the maximum allowable value of P for the column. The cross-sectional areas and working stresses (??) are shown in Figure 3. 6. The wood pole shown in the Figure 4 is supported by two cables of ¼ inch diameter. The turnbuckles in the cable are tightened until the stress in the cables reaches 60,000 psi. if the working compressive stress for wood is 200 psi, determine the smallest permissible diameter of the pole.
5. Find the maximum allowable value of P for the column. The cross-sectional areas and working stresses (??) are shown in Figure 3. 6. The wood pole shown in the Figure 4 is supported by two cables of ¼ inch diameter. The turnbuckles in the cable are tightened until the stress in the cables reaches 60,000 psi. if the working compressive stress for wood is 200 psi, determine the smallest permissible diameter of the pole.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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5. Find the maximum allowable value of P for the column. The cross-sectional areas and working stresses (??) are shown in Figure 3.
6. The wood pole shown in the Figure 4 is supported by two cables of ¼ inch diameter. The turnbuckles in the cable are tightened until the stress in the cables reaches 60,000 psi. if the working compressive stress for wood is 200 psi, determine the smallest permissible diameter of the pole.
Transcribed Image Text:2P
Steel:
A=500 mm²
Qw =120 MPa
Timber:
A=2000 mm²
Qw =12 MPa
Timber:
A=8000 mm²
Qw =16 MPa
FIGURE 3
13 | Mechanics of De formable Bodies
60°
60°
MITAT
FIGURE 4
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