etabs_get_story_drifts
Retrieve inter-storey drift ratios and verify compliance with IS 1893:2016 or ASCE 7-22 limits for specified load cases and directions.
Instructions
Get inter-storey drift ratios and check IS 1893:2016 / ASCE 7-22 limits.
IS 1893:2016 Cl. 7.11.1: Maximum storey drift under seismic loads (with R = 1.0, i.e. on the Design Basis Earthquake forces) shall not exceed 0.004 × storey height (= h/250).
ASCE 7-22 Table 12.12-1: Δa / hsx (varies 0.010 to 0.025 by risk category and structure type).
Args: case_or_combo: Load case or combo name. Empty string = all selected cases. direction: "X", "Y", or "Both". check_is1893: If True, flag storeys exceeding IS 1893 Cl. 7.11.1 limit of 0.004 (= h/250).
Returns: JSON array of storeys, each with drift ratio and code-check result.
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| case_or_combo | No | ||
| direction | No | Both | |
| check_is1893 | No |
Output Schema
| Name | Required | Description | Default |
|---|---|---|---|
| result | Yes |