The degree of static indeterminacy of pin-jointed space frame is given by:
Where 'm' = the number of unknown member forces
'r' = unknown reaction components and
'j' = the number of joints.
1
m + r - 2j
2
m + r - 3j
3
3m + r - 3j
4
m + r + 3j
The degree of static indeterminacy of pin-jointed space frame is given by:
Where 'm' = the number of unknown member forces
'r' = unknown reaction components and
'j' = the number of joints.