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Increase stability (aumentó de estabilidad)

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Increase stability (aumentó de estabilidad)

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Is a key condition of structures. The stability of structures depends on the position of its centre of gravity

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Round section

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Triangular section

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Square section

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I-Shaped

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U-Shaped

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Is the method for making weak structures more rigid. It works because the triangle is the only figure that cannot be deformed. Therefore, structures that have a triangular shape are rigid

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T-Shaped

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L-shaped

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Two opposite directed forces acting on a body tending to twist it

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Two forces acting on a body tending to flex it

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the structures must remain rigid, i.e. it must not deform

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Two opposite directed forces acting on a body tending or stretching it

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Two opposite directed forces acting on a body along very close lines of action tending to cut it

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the structures must reamin in stable equilibrium under the action of the forces to which it is subjected over its useful life

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Two opposite directed forces acting on a body

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the structure must resist the forces to which it is subjected over its useful life

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Are formed by cavanses stretched by compressed air. They have been developed in recent years and are used for pavilions and shelters

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Are formed by pillars and beames and beames that are connected to each other
Example: The structure of a building

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Are structures that are held in place by stay cables, usually made from steel, attached to sturdy supports.

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Are structures invented bythe architect Richard Buckminister Fuller and patented in 1954.
Are gobe-shaped structures formed by triangles, pentagons, or hexagons.

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Are made up of sheets that form a protective housing and support.
Examples: The body of a car, the fuselage of a aircraft and housing of a mobile phone.

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Are structures that are formed by bars arranged to form triangles of trusses.
They are lightweight but sturdy.
Examples: cranes and electricity pylons

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Arched and vaulted structures(arcos y bóvedas)

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Arched and vaulted structures(arcos y bóvedas)

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Arches and vaults are formed by stone blocks supported by yheir own weight. They are used to cover a space between two pillars or walls. An arch is linear and a vault is superficial.

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trabeated structures( estructuras andinteladas) 

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trabeated structures( estructuras andinteladas) 

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These are contructed with lintels. a lintal is a horizontal beam placed on vertical supports to cover spaces.
Examples: the dolmens and temples of ancient egypt

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These are solid, heavy and very sturgy structures. Examples: walls, dams and pyramids