IfcBoreholeTypeEnum

Item	SPF	XML	Change	Description
IFC4X3_ADD2 to IFC4X4_draft
IfcBoreholeTypeEnum			ADDED

Semantic definitions at the type

Type definition

Defines the different predefined types of boreholes that can specify an IfcBorehole.

Enumeration definition

Constant	Description
COREDRILLING	A drilling process in which borehole is performed by cutting out cylindrical rock or soil samples in the field, using a core barrel.
DESTRUCTIVEDRILLING	A drilling process in which the boring is performed using destructive tools.
TRIALPIT	An excavation made for the purpose of observing shallow subsurface conditions, performing field tests and obtaining soil samples.
DEWATERING	A borehole made for the purpose of dewatering.
USERDEFINED	User-defined type.
NOTDEFINED	Undefined type.

Formal representations

XML Specification

 <xs:simpleType name="IfcBoreholeTypeEnum">

  <xs:restriction base="xs:string">

   <xs:enumeration value="coredrilling"/>

   <xs:enumeration value="destructivedrilling"/>

   <xs:enumeration value="trialpit"/>

   <xs:enumeration value="dewatering"/>

   <xs:enumeration value="userdefined"/>

   <xs:enumeration value="notdefined"/>

  </xs:restriction>

 </xs:simpleType>

EXPRESS Specification


TYPE IfcBoreholeTypeEnum = ENUMERATION OF (

 COREDRILLING, 
 DESTRUCTIVEDRILLING, 
 TRIALPIT, 
 DEWATERING, 
 USERDEFINED, 
 NOTDEFINED);
END_TYPE;


 EXPRESS-G diagram