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  1. gubtoop

    NFPA 68 Deflagration in (4) four rectangular Rooms that share some common walls.

    Imagine (4) four rectangular rooms, about 10 feet wide x 20 feet long x 10 feet high. Therefore, you have (3) three interior walls that are shared. For simplicity let's say I have designed the walls to be 8", grout-filled, reinforced CMU walls. Would the "shared" wall be (2) two 8" cmu walls...
  2. gubtoop

    Non-Stop Solution Calculation - RISA is in a non-stop cyclical loop of solving my model? What's up?

    RISA 3D is performing a Solution of my model. the dialog box says, "Solution of Combination 1 in Progress... Calculate P-Delta Shears..." RISA is "stuck" in this solution loop and will not stop. What is the problem here? What is the fix? Thanks!

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