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002842
2019-04-09

Question

For a calculation, I activated the "Detailed Calculation" option. Have the support loads already been specified with the reduced dynamic coefficient for the design of the substructure?


Answer:
Like the internal forces, the support forces from load cases are combined taking into account dynamic coefficients. For this purpose, the support forces (except for LC1 and LC2) are multiplied by the ratio of the dynamic coefficient girder to the dynamic coefficient support, and added according to the CO criterion, since the wheel loads from LC3 already include the dynamic coefficient for the beam.

If you select the Only max/min option, only the extreme values of the support forces are displayed for the corresponding
directions; that is, the characteristic support forces multiplied by the corresponding
dynamic coefficient for supports (see the image).

On our website, you can find an interesting webinar about "Design of Craneway Girders According to Eurocode 3".