Story Drift Table (Time History Analysis)

Check story drift resulting from the time history analysis in a spreadsheet format table.

Before using this function, "Story Response of Time History Results" must be checked in the Model > Building > Control Data.  

Table Tool in midas Gen offers a variety of powerful built-in functions. Refer to the following items for detail directions:

Usage of Table Tool

Terminology

Familiarize with Usage

Basic directions (Cell motion, selection, size control, etc.)

Data manipulation (Add, delete, modify data, etc.)

Copy/Paste data using clipboard

Supplementary Table functions

Table Sorting

Table format setting

Auto-fit column width

Graph printing

Supplementary functions by Table types

Node/Element Table

Results Table

From the Main Menu select Results > Result Tables > Story > Story Drift (Time History Analysis)

Select Result Tables > Story > Story Drift (Time History Analysis) in the Tables tab of the Tree Menu.

From Records Activation Dialog, select the time history load cases for which story drifts will be calculated.

Record Activation dialog box

Refer to Usage of Table Tool and check the following data:

Drift(X): Story drift in GCS X-direction

Drift(Y): Story drift in GCS Y-direction

Load Case: Time history load case/combination

Note
Time history load cases always retain "max" "min"and "all" load cases, which produce maximum, minimum and absolute maximum values for all time steps respectively. If Consider signs in load combination type of envelope "All" option is checked in Tools > Preference > Results, the values are produced with signs instead of the absolute maximum values (The option is unchecked by default).  

Story: Story ID

Story Height: Story Height

Allowable Story Drift Ratio: Allowable Story Drift Ratio (User input)

Time/Step

Story Drift

Modified Drift: Modified story drift

Story Drift Ratio: Modified Drift / Story height

Remark: Acceptance of story drift ratio relative to the allowable story drift ratio

Note
For the rows in which the values at Story Drift Ratio column do not fall within the allowable limit, the Remark column (NG) turns red in color.