Seismic Analysis

This page contains Wikis related to various Seismic Code Implementations.

1. General error with models having ST 3 parameter in IS:1893 seismic definition
2. Error ST seismic parameter is missing
3. Torsion consideration in IS 1893-2002 seismic analysis
4. Calculation of Seismic Load generation by Rayleigh frequency
5. Use of GL parameter in IS893(Part-1)-2016 seismic analysis
6. Consideration of minimum base shear criteria in Vertical Seismic Load generation in IS1893(Part-1)-2016
7. Consideration of Minimum Base shear in IS1893(Part-1)-2016 seismic analysis
8. Consideration of Rotational Mass in the analysis
9. IS 1893-1 2002 Story Drift
10. Major changes observed in IS 1893(Part-1)-2016 compared to the 2002 version of the code
11. Torsional Consideration in IS1893 (Part-1) 2016 Equivalent Static Analysis
12. Types of Irregularities as per IS 1893(Part-1)-2016 evaluated in STAAD.Pro CE
13. Use of DX and DZ parameter in IS1893(Part-1)-2016 seismic analysis
14. Colombian Seismic Verification Example
15. Use of HT parameter in IS1893(Part-1)-2016 Seismic
16. Vertical earthquake shaking in the analysis as per IS1893(Part-1)-2016
17. Where do the value of Ta and Tb derived from
18. ERROR THE RAYLEIGH FREQUENCY 1.13523E-06 IS LESS THAN 0.00001 FOR LOAD 
19. Mismatch between manual and STAAD calculated Ah value
20. NO LOADING DEFINED FOR UBC LOAD. RUN TERMINATED
21. Seismic analysis of a large dia pipe
22. ERROR - EITHER NA OR NV FACTOR HAS NOT BEEN SPECIFIED
23. Significance of the Rw Value in the UBC code
24. Seismic forces calculation as per ASCE equation
25. WARNING IF THIS UBC/IBC ANALYSIS HAS TENSION/COMPRESSION
26. Base shears, reactions, moments all reported as zeros for generated seismic load case