assume all structures are composed of frame elements (beams and columns), i.e. internal shear, bending, and axial force may be present. Determine: ns , nsE, nsl, and whether the structure is stable or unstable. For ns, show your work for both the equation method and the "by inspection method" showing interim structures as releases are made.
assume all structures are composed of frame elements (beams and columns), i.e. internal shear, bending, and axial force may be present. Determine: ns , nsE, nsl, and whether the structure is stable or unstable. For ns, show your work for both the equation method and the "by inspection method" showing interim structures as releases are made.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:assume all structures are composed of frame elements (beams and columns), i.e. internal shear,
bending, and axial force may be present. Determine: ns , nsE, nsl, and whether the structure is stable or
unstable. For ns, show your work for both the equation method and the "by inspection method"
showing interim structures as releases are made.
2.
TTTTT
Expert Solution
Step 1
External indeterminacy (n se)=(Total number of external support reaction developed) - (number of available equilibrium condition)
Internal indeterminacy (n si) = (Total number of internal reaction) - (number of available equilibrium condition)
or
Internal indeterminacy (n si) = 3c-R
where c =number of closed loop
R =number of equilibrium condition
Total indeterminacy (n s) = (External indeterminacy ) + (Internal indeterminacy)
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