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Starting with Advance Design 2011 the drift verification can be done automatically taking into account specifications from current standards.

NOTE: Drift verification will be done only for seismic load cases or combinations with seismic loads.

The first steps in a successful drift analysis begin with the correct definition of the model - all of the structure's levels must be assigned.

How is the drift of a multistory structure automatically verified

Next define the seismic load cases. It does not matter what type of spectrum is used (Elastic or Calculation); Advance Design will make the corrections taking into account the reduction factors and the behavior coefficient.

How is the drift of a multistory structure automatically verified

All that remains is to analyze the model and then extract the level drift verification tables.

How is the drift of a multistory structure automatically verified

To view the tables: Menu bar - Documents - Generate a new report.

How is the drift of a multistory structure automatically verified

In the report generator window, on the Table tab follow the Finite elements analysis tree: Results - Seismic results by mode - Level drift verification for seismic combinations.

How is the drift of a multistory structure automatically verified

How is the drift of a multistory structure automatically verified

The available results are from an envelope between all combinations; the values for relative displacements are maximum values.

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