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Free online calculation tools for structural design according to Eurocodes
You can provide the following project data as page header.
Eurocode 8 Approximate estimation of building's fundamental period
Crude first estimate of the fundamental period for buildings with height up to 40 m
EN 1998-1:2004 Section 18.104.22.168.2
Buildings with height up to 40 m
Supported National Annexes:
No Nationally Defined Parameters (NDPs) in the calculation