From learning about plywood to translation: “NOT SAFE IF ANY BEAM FAILS.” Pretty, though.

270 pages written by someone with a very dry, academic sense of humour. And ideas and details to inspire.
I like the Schwedler dome page 184
“A feature of this dome is that it can be analysed as a statically determinate structure.”
– which led me to find out what a statically determinate structure is, which led me to
“A truss is considered statically determinate if all of its support reactions and member forces can be calculated using only the equations of static equilibrium. For a planar truss to be statically determinate, the number of members plus the number of support reactions must not exceed the number of joints times 2.”
Key Observation
Since a statically determinate truss cannot have more members than the number required for stability, it is not a fail-safe structure. This means that if one member of the truss were to fail, then the truss will collapse. This is a major reason for introducing redundant members in truss structures, especially when public safety is of primary concern.”

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