Determine the smallest safe cross sectional areas of members’ AG and BC for the truss shown in Figure 7. The working stresses are 20 Ksi in tension and 14 Ksi in compression. (the working stress in compression is

Structural Analysis
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Chapter2: Loads On Structures
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9. Determine the smallest safe cross sectional areas of members’ AG and BC for the truss shown in Figure 7. The working stresses are 20 Ksi in tension and 14 Ksi in compression. (the working stress in compression is smaller to reduce the danger of Buckling.

10.Find the stresses in member BC, BD and CF for the truss shown in Figure 8. Indicate tension or compression. The cross-sectional area of each member is 1600 mm2.

6ft
C
4ft
6ft
B
4ft
25Kips
6ft
FIGURE 7
4ft
G
40 Kips
8m
6m
3m
3m
40 KN
50 ΚN
8m
FIGURE 8
Transcribed Image Text:6ft C 4ft 6ft B 4ft 25Kips 6ft FIGURE 7 4ft G 40 Kips 8m 6m 3m 3m 40 KN 50 ΚN 8m FIGURE 8
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