#### 6.2.3.1 AISC_EM11_Pset_Weld

| Weld: Weld property set is assigned to an instance of Weld. Weld shall use Fastener (IfcFastener) for representing location and use Connects With Realizing Elements (IfcRelConnectWsithRealizingElements) for relation between connecting piece. Weld for rolled plate pipe cannot use Connects With Realizing Elements as it violates IFC schema definition. Therefore, it should use Connects Elements (IfcRelConnectsElements) and set IfcFastener as Related Element. Geometric Representation of welding should be curve that shows welding path. Weld Size of weld. Physical extents and dimensions of weld. Weld is modeled and shown as a theoretical physical object using throat/size etc so that a weight and estimate can be produced from the model. image source : CIS/2

buildingSMART Data Dictionary

PSD-XML

Name | Type | Description
--- | --- | ---
Type1 | P_SINGLEVALUE / IfcLabel |
| Type1 | Type of weld according to ISO. It could be any of the following values: Square Groove Weld Single V Groove Weld Single Bevel Groove Weld Single V Groove Weld with Broad Root Face Single Bevel Groove Weld with Broad Root Face Single U Groove Weld Single J Groove Weld Double V Groove Weld Double Bevel Groove Weld Double U Groove Weld Double J Groove Weld Backing Weld, Fillet Weld Plug/Slot Weld, Spot Weld Seam Weld Edge Weld Surfacing Peripheral Weld Spot weld Seam Weld Plug Weld Slot Weld
Intermittent | P_SINGLEVALUE / IfcBoolean |
| Intermittent | If intermittent or not
Staggered | P_SINGLEVALUE / IfcBoolean |
| Staggered | If staggered or not
Process | P_SINGLEVALUE / IfcInteger |
| Process | Reference number of the welding process according to ISO 4063
ProcessName | P_SINGLEVALUE / IfcLabel |
| Process Name | Name of the welding process according to ISO
a | P_SINGLEVALUE / IfcPositiveLengthMeasure |
| a | Throat thickness- Measure a according to ISO 2553
c | P_SINGLEVALUE / IfcPositiveLengthMeasure |
| c | Width of weld- Measure c according to ISO 2553
d | P_SINGLEVALUE / IfcPositiveLengthMeasure |
| d | Spot diameter/ diameter of the hole - Measure d according to ISO 2553
e | P_SINGLEVALUE / IfcPositiveLengthMeasure |
| e | Spacing- Measure e according to ISO 2553
l | P_SINGLEVALUE / IfcPositiveLengthMeasure |
| l | Length of weld- Measure l according to ISO 2553
n | P_SINGLEVALUE / IfcCountMeasure |
| n | Number of weld elements- Count n according to ISO 2553
s | P_SINGLEVALUE / IfcPositiveLengthMeasure |
| s | Weld thickness, minimum distance from the external surface of the weld to the bottom of the penetration- Measure s according to ISO 2553
z | P_SINGLEVALUE / IfcPositiveLengthMeasure |
| z | Leg length- Measure z according to ISO 2553
WPSCode | P_SINGLEVALUE / IfcIdentifier |
WeldGrade | P_SINGLEVALUE / IfcIdentifier |
| Weld Grades | List of weld grades
WeldID | P_SINGLEVALUE / IfcLabel |
| Weld ID | Name or number to identify the weld in the model
WeldDescription | P_SINGLEVALUE / IfcLabel |
| Weld Description | Textual description for weld
WeldCategory | P_SINGLEVALUE / IfcLabel |
| Weld Category | WeldCategory represents Test methods for NDT (Non Destructive Test). The value is one of listed value below but not limited to the listed value Acoustic Emission Testing Blue Etch Anodize Dye Penetrant Inspection Liquid Penetrant Testing Electromagnetic Testing Ellipsometry Endoscope Inspection Guided Wave Testing Hardness Testing Impulse Excitation Technique Infrared And Thermal Testing Laser Testing Electronic Speckle Pattern Interferometry Holographic Interferometry Low Coherence Interferometry Profilometry Shearography Leak Testing Magnetic Resonance Imaging Metallographic Replicas Near-Infrared Spectroscopy Optical Microscopy Positive Material Identification Radiographic Testing Scanning Electron Microscopy Surface Temper Etch Ultrasonic Testing Vibration Analysis Visual Inspection Corroscan/C-Scan Internal Rotary Inspection System 3D Computed Tomography Heat Exchanger Life Assessment System Rtj Flange Special Ultrasonic Testing
FieldWeld | P_SINGLEVALUE / IfcLabel |
| Field Weld | If it is field weld or not

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