Failure Of Structures Flashcards
1
Q
Human error
A
Poor design (SCAM & J) over use/misuse Lack of maintenance
2
Q
Natural factors
A
Time
Temperature/moisture
Forces such as gravity
3
Q
What are the 4 forces that can break a structure
A
Lever action
Shear forces
Bending (compression & tension)
Twisting/Torsion (become brittle and break)
4
Q
Example of lever action
A
Wind
5
Q
Example of Shear forces
A
Earthquakes, masses of rock to slip
6
Q
Example of Bending
A
Heavy objects on a shelf
7
Q
Example of Twisting/Torsion
A
Metal fatigue (keep using and break over time)
8
Q
Strong shapes
A
Arches
Triangles
Bracing
Domes
