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STRUCTURES Structures are groups of elements somehow joined together to support a load with stability.
[object Object],[object Object]
Shell structures
Archs
Mass structures
Suspension structures
Frame structures ,[object Object]
They are composed of long elements which are joined to each other at the ends.
Elements are built with strong materials and the space between them is empty space.
They are easy to desing and build, inexpensive, lightweight and they don't require much materials.
However they are not goodfor very big loads or strong impacts.
 
Shell structures ,[object Object]
That volume can be empty or filled with something that has not structural relevance.
It mantains the shape and it's strong.
The cut layer can be thin because the forces are spread throughout the whole structure.
 
Archs ,[object Object]
Althought there are many types the semicircular arch is the most used.
They are made of stone and the stone at the very top is called the “key stone”.
They are used like bridges, the key is that the geometry of the arch spreads the forces to the sides leaving a space under the arch.

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