IfcStructuralSurfaceTypeEnum

Definition from IAI: This type definition shall be used to distinguish between different types of structural surface members, such as the typical mechanical function of walls, slabs and shells.

- BENDING_ELEMENT: A member with capacity to carry out-of-plane loads, i.e. a plate.
- MEMBRANE_ELEMENT: A member with capacity to carry in-plane loads, for example a shear wall.
- SHELL: A member with capacity to carry in-plane and out-of-plane loads, i.e. a combination of bending element and membrane element.
- USERDEFINED: A specially defined member.
- NOTDEFINED: A member without further categorization.

> HISTORY: New type in Release IFC2x Edition 2.

EXPRESS specification:

TYPE IfcStructuralSurfaceTypeEnum = ENUMERATION OF
( | BENDING_ELEMENT, MEMBRANE_ELEMENT, SHELL, USERDEFINED, NOTDEFINED);
END_TYPE;