IfcConstructionMaterialResourceTypeEnum
类型定义
此枚举用于确定建筑材料资源的主要用途。它仅限于建筑中使用的最常见原材料，不包括通常作为成品出售的材料。
IFC4中增加的新枚举。
Enumeration definition
| Constant | Description |
|---|---|
| AGGREGATES | Construction aggregate including sand, gravel, and crushed stone. |
| CONCRETE | Cast-in-place concrete. |
| DRYWALL | Wall board, including gypsum board. |
| FUEL | Fuel for running equipment. |
| GYPSUM | Any gypsum material. |
| MASONRY | Masonry including brick, stone, concrete block, glass block, and tile. |
| METAL | Any metallic material. |
| PLASTIC | Any plastic material. |
| WOOD | Any wood material. |
| NOTDEFINED | Undefined resource. |
| USERDEFINED | User-defined resource. |
EXPRESS Specification
TYPE IfcConstructionMaterialResourceTypeEnum = ENUMERATION OF (
AGGREGATES,
CONCRETE,
DRYWALL,
FUEL,
GYPSUM,
MASONRY,
METAL,
PLASTIC,
WOOD,
NOTDEFINED,
USERDEFINED);
END_TYPE;
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