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That is, to be
able to support the greatest amount of load on a column provide lateral
bracing
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at intervals
equal to or less than the critical length.
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Providing
“lateral bracing at intervals equal to or less than the critical length” may
or may not result in an efficient tower.
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Sometimes you
can save structure weight by omitting a bracing level if you don’t need the
full strength of the column – this is an arrangement that you can experiment
with. You will do this when you try to
optimize (make as efficient as possible) your design.
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Here I have made
sure that both columns fail at the same time – the connection of the
horizontal member to the column is usually not adequate enough to provide
lateral support.
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