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A geodesic domeis a spherical or partial-spherical shell structure or lattice shell based on a network of great circles(geodesics) on the surface of a sphere. The geodesics intersect to form triangular elements that have local triangular rigidity and also distribute the stress across the structure. When completed to form a complete sphere, it is a geodesic sphere. A dome is enclosed, unlike open geodesic structures such as playground climbers.

Typically a geodesic dome design begins with an icosahedron inscribed in a hypothetical sphere, tiling each triangular face with smaller triangles, then projecting the vertices of each tile to the sphere. The endpoints of the links of the completed sphere are the projected endpoints on the sphere's surface. If this is done exactly, sub-triangle edge lengths take on many different values, requiring links of many sizes. To minimize this, simplifications are made. The result is a compromise of triangles with their vertices lying approximately on the sphere. The edges of the triangles form approximate geodesic paths over the surface of the dome.

Geodesic designs can be used to form any curved, enclosed space. Standard designs tend to be used because unusual configurations may require complex, expensive custom design of each strut, vertex and panel.

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Q: Why do you use geodesic domes?

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No, the strongest shape under gravity condition is the catenary dome. The strongest shape under pressure ( earth sheltered or water ) would be a sphere. Or an hemisphere. Which is still a way stronger than a geodesic. The geodesic has potential link for failure in each connections. It's might be easier to set up than a perfect hemisphere, but seriously, did you already see a geodesic dome in nature ? You might want to check ferrocement / monolithic domes if strength it the first issue.

The 'big ball' at Epcot in Orlando Florida, is a Geodesic sphere. The old dome-like playground equipment is based on the same structure as a geodesic dome. I've posted a couple of links about geodesic domes with some pictures.

The geodesic dome was invented in the late 1940's

nothing

Buckminster Fuller

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No they did not. The Romans made domes either with unreinforced concrete of in bricks. Geodesic domes are a modern invention.

where did geodic domes come from.

Domes can be round, polygonal or Geodesic.

Geodesic Domes

cuzi dont know soo idcc

The polyhedron, upon which most geodesic domes are based, is the icosahedron. The icosahedron has 20 equilateral triangle faces. By subdividing the icosahedron face into smaller triangles, then "pushing" the triangle vertices outward (to the surface of a circumscribing sphere,) a more-complex triangulated polyhedron can be produced -- a "geodesic" sphere, or dome. By subdividing the icosahedron face into greater-and-greater numbers of smaller-and-smaller triangles, more complex geodesic spheres/domes are produced.

No, the strongest shape under gravity condition is the catenary dome. The strongest shape under pressure ( earth sheltered or water ) would be a sphere. Or an hemisphere. Which is still a way stronger than a geodesic. The geodesic has potential link for failure in each connections. It's might be easier to set up than a perfect hemisphere, but seriously, did you already see a geodesic dome in nature ? You might want to check ferrocement / monolithic domes if strength it the first issue.

The 'big ball' at Epcot in Orlando Florida, is a Geodesic sphere. The old dome-like playground equipment is based on the same structure as a geodesic dome. I've posted a couple of links about geodesic domes with some pictures.

Edward M Duke has written: 'A study of the geodesic dome applied to housing' -- subject(s): Housing, Bibliography, Geodesic domes

The answer varies depending on the exact type of geodesic dome you are using. A 2 frequency and 4 frequency geodesic domes use 20 equilateral triangles despite the two-frequency having many more faces than the 2 frequency where the 3 frequency geodesic dome (150 sided) uses none at all. The above calculations, however, are only common to a certain architectural model. Assuming the domes are built mathematically instead of according to architectural integrity, the number of equilateral triangles in a "pure" dome, a geodesic sphere, is exactly equal to the number of faces, by definition.

The Montreal Biosphere in Canada, originally built for Expo 67, is a renowned geodesic dome designed by Buckminster Fuller. The Eden Project Biomes in the United Kingdom feature iconic geodesic domes housing diverse plant species from around the world. The Spaceship Earth attraction at EPCOT in Florida is another notable geodesic dome structure designed by Disney Imagineers based on Fuller's principles.

Geodesic domes are used by individuals, communities, and organizations for various purposes such as greenhouses, event spaces, disaster relief shelters, and even homes. They are valued for their strength, energy efficiency, and unique design.