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Structures, A structure is a group of element united to support a load…
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The structure maintains the shape of things under the
force of gravity, the force of wind, or any other force.
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Bycicle example
The frame structure is the most common type of structure.
These structures have long elements (bars, tubes...) joined to each other at the ends.
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Egg example
Shell structures are made of a thin outer layer of material
around a volume. That volume can be empty space or contain
something with no structural relevance.
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Mass structures are a thick lump of low-quality
material.To make mass structures we pile up materials
into a shape or design.
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The Romans invented the arch.
The geometry of the arch displaces the forces to the sides, so that
there is a large free space under the arch.
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A suspension structure holds an element
(often a beam) by cables that are held from
the top of a tall column
Very often, we combine different types of structures into a more
complex structure.
