Unit 4 Structures Flashcards
What are Structures?
They are things with a definite shape and size which serve a purpose
What is Function?
The main purpose of a structure
What is Load?
The weight carried or supported by a structure
What are Natural Structures?
Structures not made by people. Example- a birds feather
What are Manufactured Structures?
Structures made by people. Examples- buildings, beads, spoons, etc.
What are Mass Structures?
Mass structures are made by piling up or forming similar materials into a particular shape or design. Examples- mountains, coral reefs, beaver dams, etc.
What are Frame Structures?
Frame structures are structures that have a skeleton of very strong material which supports the weight of the roof and covering materials. Example- a house
What are Shell Structures?
Objects that use thin, carefully shaped outer layer of material to provide the structure’s strength. Example- Taj Mahal
What is Function?
The purpose of a structure. Example- the function of a spoon is to help you eat.
What is Aesthetics?
The study of beauty in art and nature. The best designs always look the good. Example- the Edmonton Art Gallery.
What is Margin of Safety?
The need for something built or manufactured to preform as expected for a long time so that people’s safety and health are not at risk. In a structure our margin safety would ensure that the structure has extra strength to support more load then normal. Example- a elevator
What are properties?
They are the characteristics of the materials that must match the purpose of the structure.
What are Composites?
Materials that have more than one materials in it. Made from more than one material.
What are Laminations?
Layers of different materials.
What are Mobile Joints?
Are joints the allow movement. Example- door hinges, elbows, pins in a bicycle chain, etc.
