| 实体名称 | 类别 | 实体名称 |
| IfcBeam | 横梁 | IfcRailing |
| IfcColumn | 柱 | IfcRelConnectsPathElements |
| IfcColumnType | IfcConnectionTypeEnum | |
| IfcColumnTypeEnum | IfcRoof | |
| IfcCurtainWall | 窗帘幕墙 | IfcRoofTypeEnum |
| IfcCurtainWallType | IfcSlab | |
| IfcCurtainWallTypeEnum | IfcSlabType | |
| IfcDoor | 门 | IfcSlabTypeEnum |
| IfcDoorStyleOperationEnum | IfcWallStandardCase | |
| IfcMember | 支撑板 | IfcWallType |
| IfcMemberType | IfcWallTypeEnum | |
| IfcMemberTypeEnum | IfcWindow | |
| IfcPlate | 平面板 | IfcWindowLiningProperties |
| IfcPlateType | IfcWindowPanelProperties | |
| IfcPlateTypeEnum | IfcWindowStyle | |
| IfcRamp | 斜坡横梁 | IfcWindowPanelOperationEnum |
| IfcRampFlight | IfcWindowPanelPositionEnum |