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The degree of static indeterminacy of a pin-jointed space frame is...

This question belongs to Civil Engineering Structural Analysis
Structural Analysis
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The degree of static indeterminacy of a pin-jointed space frame is given by (where m is number of unknown member forces, r is unknown reaction components and j is number of joints)

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Correct Answer: Option B
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3 Comments
Muhammad Usman
Muhammad Usman 5 years ago
For rigid jointed frame. 3m+r-3j
For pin jointed frame. m+r-3j
Munir Marwat
Munir Marwat 5 years ago
For space frame m=1 hence m+r-3j is correct
Gurjant Singh
Gurjant Singh 7 years ago
3m+r-3j. Is right
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