• Earthquake Load: Water Tank

    I'm analyzing a surface water tank using plate element. Im getting more base pressure due to earthquake load and water pressure. Can anyone confirm why it is so. the model is attached below. 7103.Structure1-22.09.2023.STD
  • Live Load Reduction in Seismic Load as per IS 1893 : 2016

    Hello Team, I've understood that certain percentage of live load (25% or 50%) as per live load intensity shall be considered for seismic mass calculation as per IS 1893 : 2016, But nowhere it is mentioned in this code, about live load reduction in seismic…
  • related to member fail in response spectrum analysis

    staad file with EQ analysis.rar I am designing a G+2 building but am unable to remove warnings. you can see the file I attached. if I am wrong please try to provide the sample file of response spectrum analysis file for reference.
  • *** ERROR: NOT ALL JOINTS LIE AT THE SAME FLOOR LEVEL.

    Good Morning Everyone, I am analyzing a conveyor support and housing, The structure is located on a pier thats why I added WL & EL. However, there is an error on analyzing the file. Please help me. The nodes are on the same level. Also, please…
  • What does the mass density and frequency scale mean??

    Hello, I am doing a dynamic analysis of an experimental work which include couple of lines I could not understand . Any one can explain what does those highlighted parts in the attached image mean?
  • base shear and lateral displacement value not matching with etab model

    Dear sir, Base shear gets by staad model is coming 269KN which is not matching with etab model (base shear 500kn) prepared by consultant.Also lateral displacement on siesmic cases is more in etab model than staad model.Can you explain why staad model…
  • *** STAAD.Pro ERROR MESSAGE *** NO LOADING DEFINED FOR UBC LOAD. RUN TERMINATED.

    Dear all, I am a beginner in STAADPRO and I have already read some topics on this forum about this problem. And I tried to improve my model so on. And I have a lot of warnings . Can anyone help me giving me some advices and tell me what's wrong with…
  • "RAM Structural System" modal analysis load combinations

    Hi, I am working on RAM Structural System. I looking to do a modal analysis on the building. Is there a way automatically generating the load combination for modal analysis? The way RAM does for direct analysis method? Or do I have to manually…
  • Earthquake design spectra

    Hello, I have a steel frame structure to support pipes,vessels,pumps etc.When we do an earthquake analysis,do we consider design accelaration for each component (including structural frame) individually and apply these load for per component? Sorry…
  • IS 1893-1 2002 Story Drift

    Applies To Product(s): STAAD.Pro Version(s): ALL Environment: ALL Area: STAAD.Pro Analysis Solution Subarea: Seismic Analysis Original Author: Bentley Technical Support…
  • Seismic Analysis

    Applies To Product(s): STAAD.Pro Version(s): All Environment: N/A Area: Analysis Solutions Subarea: Seismic Analysis Solutions Original Author: Bentley Technical Support…
  • Torsion consideration in IS 1893-2002 seismic analysis

    Applies To Product(s): STAAD.Pro Version(s): All Environment: N/A Area: STAAD.Pro Analysis Solution Subarea: Seismic Analysis Original Author: Bentley Technical Support…
  • Seismic Load Based on IBC 2009 ASCE 7-10

    Dear All, Does StaadPro provide the seismic load definition based on IBC 2009 and or ASCE 7-10? I checked but I only found IBC 2006 (which refer to ASCE 7-05). And the default is using Zip Code to determine the Ss and S1, is this Zip Code based…