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Story Drift

For both wind and seismic design, the program determines the lateral deflection of the top of the walls on each shear line relative to the bottom of the wall, and compares with the maximum allowable deflection.

This calculation is made on each level, and for each force direction ( E->W, W->E, N->S, S->N), and results are shown in the Story Drift Table in the Design Results.

In This Section

Seismic Story Drift

Wind Story Drift

Allowable Drift

See Also

Deflection Analysis

Deflection Equation and Components

Wall Types and Materials

Force Distribution to Equalize Deflections