| Attribute | Type | Defined By |
|---|
| Name | IfcLabel (STRING) | IfcBoundaryCondition |
| TranslationalStiffnessByLengthX | IfcModulusOfTranslationalSubgradeReactionSelect (SELECT) | IfcBoundaryEdgeCondition |
| TranslationalStiffnessByLengthY | IfcModulusOfTranslationalSubgradeReactionSelect (SELECT) | IfcBoundaryEdgeCondition |
| TranslationalStiffnessByLengthZ | IfcModulusOfTranslationalSubgradeReactionSelect (SELECT) | IfcBoundaryEdgeCondition |
| RotationalStiffnessByLengthX | IfcModulusOfRotationalSubgradeReactionSelect (SELECT) | IfcBoundaryEdgeCondition |
| RotationalStiffnessByLengthY | IfcModulusOfRotationalSubgradeReactionSelect (SELECT) | IfcBoundaryEdgeCondition |
| RotationalStiffnessByLengthZ | IfcModulusOfRotationalSubgradeReactionSelect (SELECT) | IfcBoundaryEdgeCondition |