Structures Flashcards
1
Q
What are the 3 key structural properties? What do these concern?
A
Strength - Resistance to breaking
Stability - Resistance to toppling
Stiffness - Resistance to deformation
2
Q
What are the 5 types of structural members?
A
I ( ][ ), Channel ( [ ), Angle ( L ), Circular ( O ) and Flat ( - )
3
Q
What are joints assumed to be in a truss?
A
Frictionless pins
4
Q
What are the names for members in compression/tension?
A
Compression: Strut
Tension: Tie (Stay)
5
Q
What is the general static determinacy test? Where does this test fail?
A
# of members = 2*# of joints - # of reactions Fails when there are redundant members
6
Q
Where do the least/greatest bending moments in a beam occur?
A
At points of zero shear stress
