Whilst researching construction methods of geodesic domes I discovered
that the construction of geodesic domes are separated into varying classes,
namely class 1V, 2V, 3V, 4V etc. A 1V geo dome is comprised of triangles using
only 1 size strut, a 2V requires 2 sizes of strut and so on. A higher
classification meaning the structure will appear more spherical and will be
more complex. Higher classed domes also offer higher stability.
For the sake of being able to complete the project we
have decided to construct a 2V geodesic dome. Using an online calculator it has
been calculated that 35 struts of 0.62 meters and 30 struts of 0.55 meters each
are required to complete an entire dome with a radius of 1 meter, which totals
at approx. 40 meters of construction material.
One possible construction method is connecting the struts in a series of ‘pods.’ connecting 5 short struts together at one node then connecting long struts around the perimeter creating a pentagon, repeating this process with the remaining struts to create a total of 6 pentagon pods which will be later joined to form the completed dome. While researching this construction method I discovered that steel EMT conduits could be used as the struts as their ends could be flattened so that connection of the nodes would be simple and easy.
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