3. Determine the smallest allowable cross-sectional areas of members BD, BE, and CE of the truss shown. The working stresses are 20 000 psi in tension and 12 000 psi in compression. (A reduced stress in compression is specified to reduce the danger of buckling.)

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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3. Determine the smallest allowable cross-sectional areas of
members BD, BE, and CE of the truss shown. The working stresses are
20 000 psi in tension and 12 000 psi in compression. (A reduced stress
in compression is specified to reduce the danger of buckling.)
D
В
12 ft
8 ft
F
E
8 ft
A
C
8 ft
36 kips
8 ft
Transcribed Image Text:3. Determine the smallest allowable cross-sectional areas of members BD, BE, and CE of the truss shown. The working stresses are 20 000 psi in tension and 12 000 psi in compression. (A reduced stress in compression is specified to reduce the danger of buckling.) D В 12 ft 8 ft F E 8 ft A C 8 ft 36 kips 8 ft
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