Question
Download Solution PDFThe total (both external and internal) degrees of indeterminacy of the pin-jointed structure shown in the figure is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Degree of Static Indeterminacy (Ds):
Ds = m + r - 2j
Where,
m is the total members;
j is total joints,
r is support reactions
Calculation:
No. of support reactions, r = 6 (3 pin supports and each two reactions)
No. of members, m = 17
No. of joints, j = 11
Ds = 17 + 6 - 2 × 11
∴ Ds = 1
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