Part 2 – Problem 02: In Table 1.0 of the SDC – Structural Design Guide, two elastic moduli are presented: E and Emin. How should they be applied to the analysis? Are we expected to test both values for our Modal and Time History Analysis or are they used somehow to represent variability in the balsa stiffness?

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E should be used in your ETABS or SAP2000 models. Emin should not be used in your numerical model, but may be used in addition to E when determining member capacities according to the NDS. Equations in the NDS explicitly call for E or Emin.

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