IFC 4.3.1.0 (IFC4X3_ADD1) development

7.8.4.7 Pset_CableCarrierSegmentTypeCatenaryWire

7.8.4.7.1 Semantic definition

Properties of a catenary wire, which is a longtitudinal wire supporting the grooved contact wires. Properties in this property set are applicable to a type or an occurrence ifcCableCarrierSegment with predefined type of CATENARYWIRE.

7.8.4.7.2 Applicable entities

7.8.4.7.3 Properties

Name Property Type Data Type Description
ACResistance IfcPropertySingleValue IfcElectricResistanceMeasure

The resistance under AC.

UltimateTensileStrength IfcPropertySingleValue IfcForceMeasure

Indicates the maximum stress that a material or element can withstand before breaking while being stretched or pulled.

CatenaryWireType IfcPropertySingleValue IfcLabel

Indicate the type of Catenary wire.

ThermalExpansionCoefficient IfcPropertySingleValue IfcThermalExpansionCoefficientMeasure

Quantity characterizing the variation with thermodynamic temperature T of the distance l between two points of a body, under given conditions (IEC 113-04-27). The ratio is defined per Kelvin.

CurrentCarryingCapacity IfcPropertySingleValue IfcElectricCurrentMeasure

Maximum value of electric current which can be carried continuously by a conductor, a device or an apparatus, under specified conditions without its steady-state temperature exceeding a specified value. Based on IEC60826-11-13. NOTE: The temperature specified value is maximum Design Ambient Temperature.

DCResistance IfcPropertySingleValue IfcElectricResistanceMeasure

The resistance under direct current and 20 degrees centigrade.

LayRatio IfcPropertySingleValue IfcPositiveRatioMeasure

The ratio between lay length and the diameter of the single conductor.

MassPerLength IfcPropertySingleValue IfcMassPerLengthMeasure

Mass per length, i.e. mass of a beam with a unit length of extrusion. For example measured in kg/m.

MechanicalTension IfcPropertySingleValue IfcForceMeasure

Nominal value of mechanical force applied to a flow segment.

PhysicalDescriptionReference IfcPropertyReferenceValue IfcExternalReference

Physical description as external reference of the equipment, including e.g.weight, shape, model, length, height, diameter.

StrandingMethod IfcPropertySingleValue IfcLabel

Specifies the method used to strand the cable. Stranding is the process where a particular number of stranding elements are joined together while winding them round a common axis.

TensileStrength IfcPropertySingleValue IfcPressureMeasure

Indicates the ability to withstand breakage apart under applied force.

YoungModulus IfcPropertySingleValue IfcModulusOfElasticityMeasure

A measure of the Young's modulus of elasticity of the material.

Table 7.8.4.7.A

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7.8.4.7.4 Changelog

7.8.4.7.4.1 IFC4.3_DEV_9f90c1f0

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