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  • What is the reason for designing of column without considering the worst load case even though I add several load combinations?

    In my model I analyze and design a G+8 RCC Structure, and the column is designed for only the first load case even though other load combinations give maximum axial force and moments. I attached the screenshots of output file below.

  • Staad.PRO Seismic Response Spectrum (CQC)

    Hi. I am working on a steel structure and i have some issues with the seismic loads. That are the flexure MZ diagrams for the pure seismic load case in X direction (longitudinal). It caught my attention the results for the beam element marked in…

  • Vertical component of seismic load - NBCC

    Dear All, I am trying to consider vertical component of seismic load using National building code of Canada NBCC. I assume 70% of acceleration is vertical direction (see below), but I am getting errors. I would appreciate if you tell me where is the…

  • 5. Earthquake - Response Spectrum

    The option 5. in the RM Bridge Enterprise Training Examples is the Earthquake that has the datasets and a description document for the seismic analysis of a three span bridge using the response spectrum analysis with all necessary steps as listed below…

  • How to apply sequence of loading for elevated water tank resting on sloping ground by using Response spectrum analysis?

    Hello.sir i m comparative study of elevated water tank resting on sloping ground & take slope varies from 0 to upto 30degree..I have dout in staad model.. actually I already model but my result not getting correct..means as per our study base shear will…

  • Very Low Base Shear and Sign to be used for Loads

    Dear All, I hope you are all doing well. I am in the middle of a crucial assignment for which I am doing Response Spectrum analysis using custom spectrum. Base Shear and load sign.txt Seismic Spectrum.xlsx Client has provided the Ct and x values…

  • Error no unsupported masses entered - check densities in seismic definition

    Dear all, Error found during the seismic definition analysis. Found the error "no unsupported masses found - check densities" . Kindly help me out from this . COLLEGE PROKECT.STD

  • STAAD Response Spectrum Questions

    Hi, I am curious about a couple of things on the way STAAD handles response spectrum analysis, and below are my questions. I would be very glad if you can provide me some answers . I'm using build 20.07.05.15, by the way. Due to the client…

  • Response Spectrum Analysis STAAD Pro - URGENT

    My question is regarding carrying out a response spectrum analysis in STAAD Pro. This is what I have done so far. I have set up the model in kN and METERS units. I have allowed for the joint weights in the form of udl loads on the beams in all three…
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