Question
Download Solution PDFDegree of static indeterminacy of a rigid jointed plane frame having 15 members, 3 reaction components and 14 joints is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Degree of static determinacy for plane frame (rigid jointed) = 3m + R – 3J
Where, m = Number of members, R = Number of support reactions, J = Number of joints
Calculation:
m = 15, R = 3, J = 14
∴ Ds = 3m + R – 3J = 3 × 15 + 3 – 3 × 14 = 6
Important Point:
Degree of static indeterminacy in a plane frame = 3m + R – 3J
Degree of kinematic indeterminacy in a plane frame = 3J – R
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