Seismic site parameters and spectrum to ASCE 7-22 11.4, 11.6, 11.9, Ch. 20
Site values from the USGS service or entered, then saved: design parameters, multi-period and two-period spectra, Seismic Design Category, vertical spectrum and the site class from a velocity profile.
No card needed. 30 days free, every calculation type.
What you get
From the inputs to a finished seismic site parameters and spectrum calculation
Every step shown
Each result with its equation, the values that go into it and, where there is one, the code section. Results update as you type.
A calculation report a reviewer can follow
Inputs and every step with its result and reference, in a clear PDF with your title block.
Drawings
Where the calculation has a shape to draw: elevations, sections and the diagrams, on a sheet with your title block, as PDF or DXF.
Your units, your method
US or metric units at any time, LRFD or ASD where the code offers both; the report follows.
Verification
How the seismic site parameters and spectrum is tested
Against published examples and tables, on every change. The method and the sources.
Learn
Step by step
User manual: Seismic site parameters and spectrum
Every input, check and option of the calculation explained.
Video: Loads: a takeoff and a load combination table
Loads tools have no pass or fail: a floor beam takeoff with live load reduction, and every combination of your load effects. (1:47)
More loads calculations
Run your next seismic site parameters and spectrum calculation today
Free for 30 days, then $45 a month or $400 a year per user. Nothing to install.
ILX Studio, LLC is not affiliated with or endorsed by AISC, ACI, AWC, TMS, AISI, ASCE or any other code organization.