All truss members in the truss shown are made of the same material and are of the same cross-sectional area. The failure normal tensile stress for the material is 16ksi, and the failure compressive normal stress is 10 ksi. A factor of safety, FS, of 1.6 is to be applied. The internal forces in each member can be computed using statics. As a hint, it was predetermined that the maximum forces occur at members DE and AD. Determine the following by using 4 decimal places: * Magnitude and type of axial force in member DE. * Magnitude and type of axial force in member AD. * The required area in in2 for truss member DE. * The required area in in2 for truss member
All truss members in the truss shown are made of the same material and are of the same cross-sectional area. The failure normal tensile stress for the material is 16ksi, and the failure compressive normal stress is 10 ksi. A factor of safety, FS, of 1.6 is to be applied. The internal forces in each member can be computed using statics. As a hint, it was predetermined that the maximum forces occur at members DE and AD. Determine the following by using 4 decimal places: * Magnitude and type of axial force in member DE. * Magnitude and type of axial force in member AD. * The required area in in2 for truss member DE. * The required area in in2 for truss member
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:All truss members in the truss shown are
made of the same material and are of the
same cross-sectional area. The failure
normal tensile stress for the material is
16ksi, and the failure compressive normal
stress is 10 ksi. A factor of safety, FS, of 1.6 is
to be applied. The internal forces in each
member can be computed using statics. As a
hint, it was predetermined that the maximum
forces occur at members DE and AD.
Determine the following by using 4 decimal
places:
*
Magnitude and type of axial force in
member DE.
Magnitude and type of axial force in
*
member AD.
* The required area in in2 for truss member
DE.
* The required area in in2 for truss member
AD
* What is the minimum required cross-
sectional area in in2 for all the members if
they are to be of the same size?
Transcribed Image Text:2 kip
E
1 ft
45°
45
B
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