• RAM Frame Response Spectrum Base Shears

    I have a 2-story building modeled in RAM SS (v14.07), and I'm using Response Spectrum analysis in RAM Frame. The model contains a ground level framed floor, a raised 2nd floor, and a roof. The base is at the ground level framed floor (not the base). I…

  • Dynamic Response Analysis - Input

    In a Dynamic Analysis when defining a seismic load cases and using the command "SPECTRUM" does one use the site specific "Seismic Response Coefficient" Cs based on S1 and Ss accelerations derived from ASCE 7? For example, if I calculated a Cs = 0.065…

  • Response Spectrum Analysis

    Dear Sir, We have a model where the units is set to Mton and cm . Our questions are; a.) Do we have to convert accleration scale factor to 9.805*100? b.) Do we have to convert the Period Vs accleration curve *100? ( Max 0.18, so 0.18*100?) C.…

  • RE: RAM-SS Cantilevers

    For those of you who don't have the ASCE 7-05 handy, this special seismic provision basically says that cantilever beams should be designed for a minimum net upward force of 0.2 times the dead load. We don't automate this in RAM SS right now. We do…

  • RE: RAM SS Seismic Cs Factor Calculation

    The Loads and Applied forces report is the most detailed one we have. Based on your values above, it looks like you might be in Seismic Design Category A, where the simplified method kicks in and CS is just 0.01.
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