| Name | Type | Description |
| Overburden |
P_SINGLEVALUE
/
IfcPositiveLengthMeasure
|
Range of overburden (distance from tunnel to ground surface) in the subject section.
|
| GroundwaterDesignPressure |
P_SINGLEVALUE
/
IfcPressureMeasure
|
Groundwater pressure to be considered in the design.
|
| MaxGroundwaterInflow |
P_SINGLEVALUE
/
IfcVolumetricFlowRateMeasure
|
Groundwater inflow measured or expected durng a certain time span.
|
| GroundwaterAgressiveness |
P_SINGLEVALUE
/
IfcLabel
|
Rating of the agressiveness e.g. towards concrete.
|
| GroundwaterTemperature |
P_SINGLEVALUE
/
IfcThermodynamicTemperatureMeasure
|
Groundwater temperature observed at specific location or expected in the subject section.
|
| Karst |
P_SINGLEVALUE
/
IfcText
|
Description of expected or observed karst features.
|
| Boulders |
P_SINGLEVALUE
/
IfcText
|
Description of expected or observed boulders features.
|
| GasType |
P_SINGLEVALUE
/
IfcLabel
|
Type of natural gas occurence in subject section.
|
| GasConcentration |
P_SINGLEVALUE
/
IfcLabel
|
Expected concentration of gas to be encountered during excavation.
|
| DumpCategory |
P_SINGLEVALUE
/
IfcLabel
|
Project-related category for re-use and storage of the excavated material.
|
| Contamination |
P_SINGLEVALUE
/
IfcLabel
|
Expected anthropogenic contaminations.
|
| InSituStress |
P_SINGLEVALUE
/
IfcPressureMeasure
|
Anisotropic stress regime, with direction and magnitude of principal stresses.
|
| Swelling |
P_SINGLEVALUE
/
IfcLabel
|
Expected swelling behaviour.
|
| GroundTemperature |
P_SINGLEVALUE
/
IfcThermodynamicTemperatureMeasure
|
Ground temperature expected in the subject section.
|
| CloggingPotential |
P_SINGLEVALUE
/
IfcText
|
Description or rating of the potential for clogging equipment in sticky ground.
|
| AsbestosPotential |
P_SINGLEVALUE
/
IfcText
|
Description or rating of the potential presence of asbestos in the ground.
|
| HeavyMetalsPotential |
P_SINGLEVALUE
/
IfcText
|
Description or rating of the potential presence of heavy metals in the ground.
|