Types of Structures
Things with a definite size and shape which serve a definite purpose.
What is a structure?
The measure of the amount of matter in an object
What is mass?
The squeezing force
Compression
The name for the place where two structural parts are connected.
What is a joint?
This is a strategy of folding a material into waves to form mini triangles
What is a corrugation?
Structures not made by people.
What are natural structures?
The force of gravity pulling you down to earth is considered your....
What is weight?
The stretching force
Tension
A framework of beans joined together, usually in the form of interlocking triangles.
What is a truss?
Pressing and gluing together layers of different materials to make the structure stronger (like in a juicebox)
What is a lamination?
These structures have a skeleton of very strong materials, which support the weight of the roof and covering materials with load-bearing walls.
What are frame structures?
What is Newtons?
What force is happening on a towel that's being twisted to dry?
Torsion
The shape is often referred to as the strongest shape. What is it?
What is triangle?
The limit that a structure is expected to perform it's function safely in
What is margin of safety?
These structures are completely empty and have a thin outside layer.
What are shell structures?
If a structure has most of it's mass at the base, it would have a low_______
center of gravity
If a bent or twisted piece of metal can't go back to it's original shape, this is an example of structural ________
Fatigue
To create strong joints between parts of a structure, this force can be used to prevent the individual components from slipping apart.
What is friction?
What are the 4 factors when you're evaluating the overall design of a structure?
Cost, Benefit, Safety, and Environmental Impact
A brick is an example of this kind of structure.
What is a mass structure?
The effect of a force depends on these 3 things
Magnitude, direction, and location
This is a changing or non-permanent force acting on a structure.
What is a live load?
The elbow is an example of this type of joint.
What is a flexible joint or an interlocking joint?
Why is it important to test a structure at every stage before selling it?
ANSWERS WILL VARY