Applies To | |||
Product(s): | STAAD.Pro | ||
Version(s): | All | ||
Environment: | N/A | ||
Area: | Seismic Analysis | ||
Subarea: | IS 1893 (Part 1 and Part 4) | ||
Original Author: | Bentley Technical Support Group | ||
Please check if you have entered the DT parameter representing the depth of foundation. As per clause 6.4.4, the code
requires you to reduce the value of Ah from 0 at the surface to 0.5Ah at 30 m depth and below. The reduction of foundation lying between the surface and 30 metres are to be interpolated linearly between the boundary values.