Computer · Structural Analysis
The degree of static indeterminacy (Ds) of a rigid-jointed plane frame may be expressed as (where m = number of members, j = number of joints, r = number of external reactions):
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Ds = (3m - r) + j
- 2Ds = (m + r) - 3j
- 3Ds = (3m - r) + 3j
- 4Ds = (3m + r) - 3j✓
Correct answer
Ds = (3m + r) - 3j
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