Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Problem 1
Classify each of the structures below as statically determinate, statically indeterminate, or unstable. If
indeterminate, specify the degree of indeterminacy.
rocker = roller
support
Roller
support
Pin support
(e)
fixed
pin
(b)
roller I
(d)
(f)
Transcribed Image Text:Problem 1 Classify each of the structures below as statically determinate, statically indeterminate, or unstable. If indeterminate, specify the degree of indeterminacy. rocker = roller support Roller support Pin support (e) fixed pin (b) roller I (d) (f)
Expert Solution
Step 1

When force and moment equations are sufficient to find the member reactions and support reaction, then the member is called statically determinate.

if insufficient, then called as statically indeterminate

for stability of a structure

  • if all the support reactions are parallel to each other then the member is unstable
  • if in a structure, if all the forces are collinear then the member is unstable.
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