RAM Concept uses the following defaults for properties that are not defined in the RAM Structural System.

Beams

• Surface elevation is 0.0.

Columns

• Compressible is true.
• Roller is false, except above mat foundations.
• Columns above mat foundations are pinned at the top regardless of the setting in the RAM database.

Walls

• Neither the top nor the bottom is fixed.
• Modeled as a Shear Wall.
• Modeled as compressible.
• The RAM Structural System "cracked section factor" is ignored.