RAM Structural System Help

Column Design Criteria

The program has an extensive set of design defaults to customize the way concrete columns are designed and detailed. To set up the column design defaults which will be used for all columns in the model:

  • Select Criteria > Column Design.
  • Select the Code for each of the options under the Reinforcement tab.
  • Click on the Bar Selection Tab to set more column design defaults.
  • For Transverse Design Spacing,
    • Type 12 for Segment Spacing Increment.
    • Type 1 for Transverse Bar Spacing Increment (the special moment frame columns may require tie spacing other than 3', 6" etc.)
  • For Shear Legs, Type 3 for the Number of Shear Bar Legs for both the Major and Minor directions.
  • Click on the Design Checks/Forces tab.
  • Uncheck the option to Include the Max Column Axial Load Limit.
  • For Gravity Forces on Lateral Columns, select Use RAM Concrete Analysis Forces.
  • Click [OK].

The other design criteria for Reinforced Concrete Columns is the Lap Spacing which can be customized.

  • Select Criteria > Column Lap Splice.
  • Use the Lap Splice options shown above.