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Geological situation at headingface 002

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Represents the geological situation at the heading face of a cyclical tunneling project.

Characteristic

Note

Name

Geological situation at headingface 002

Path

\Tunneling

Feature type icon

Feature type class

Group

Spatial data support

Spatial support on observation

Allowed spatial systems

Axis

Allowed geometries

N/A

Allowed contained feature types

None

Table 1: Characteristics of this feature type

Property structure for type specific feature data

This feature type defines not property structure for type specific feature data.

Property structure for type specific observation data

The property structure for type specific observation data of this feature type is a rich structure containing multiple collections. Figure 1 shows a graphical representation of this property structure.

Figure 1: The structure of the type specific data for observations.

Property
Identifying name

Description

Round length

ROUNDLENGTH

Describes the geologic situation for rounds in a tunnel drive. This feature type is tailored for use in a hard rock environment.

Property type: Numeric

Default Value: null

Validation rule: >= 0

Round number

ROUNDNUMBER

Number of the documented round.

Property type: Numeric

Default Value: null

Cutdown area

CUTDOWNAREA

Actually area of heading face

Property type: Numeric (Unit is the unit of the axis reference system's LCS)

Default Value: null

General notes

GENERALNOTES

General notes on the geologic situation.

Property type: String

Notes on rock mass

ROCKMASSNOTES

Notes on the surrounding rock mass.
Property type: String

Notes on rock mass behaviour

ROCKMASSBEHAVIOURNOTES

Notes on the behaviour of the surrounding rock mass on excavation.
Property type: String

Rock notes

ROCKNOTES

Notes on the rock.

Property type: String

Dicontinuity notes

DISCONTINUITYNOTES

Notes on the discontinuities.

Property type: String

Water notes

WATERNOTES

Notes on water conditions.

Property type: String

Heading face sketch

HEADINGFACESKETCH

Sketch of the geological situation at the heading face of this round.

Property type: Referenced Image

Sketch notes

HEADINGFACESKETCHNOTES

Notes on the heading face sketch.

Property type: String

Profile accuracy

PROFILEACCURACY

Accuracy of the excavation in relation to the planned excavation geometry.

Property type: Classification

Advance type

ADVANCETYPE

Defines how the tunnel was excavated in this round.

Property type: Classification

Excavation behaviour

EXCAVATIONBEHAVIOUR

Behaviour of the rockmass on excavation

Property type: Classification

Table 2: Level 0 properties of this feature type.

Lithology

Documentation of lithological units of this round.

Property
Identifying name

Description

Notes
NOTES

General notes on the lithological unit.

Property type: String

Color

COLOR

Description of the color of the lithological unit.

Property type: String

Geometry
GEOMETRY

Geometry of the lithological unit on the heading face.

Property type: Geometry

Dipping
DIPPING

Dipping of the lithological unit.
Property type: Numeric

Dipping direction

DIPPINGDIRECTION

Line of greatest inclination to the horizontal.
Property type: Numeric

Fragmentation

FRAGMENTATION

Physical fragmentation of rocks.

Property type: Classification

Water sensitivity

WATERSENSITIVITY

Influence of water on the chemical and physical characteristics of the rock.

Property type: Classification

Weathering

WEATHERING

Encompasses all reactions of the rock to exegenous factors.

Property type: Classification

Geologic unit

GEOLOGICALUNIT

The geologic unit this lithological unit belongs to.

Property type: Classification

Rock

ROCK

The main rock type that characterizes this lithological unit.

Property type: Classification

Rock strength

ROCKSTRENGTH

Classification of the lithological unit regarding its strength on pressure, tensile strength, shearing strength, and other factors.

Property type: Classification

Granular binging

GRANULARBINDING

Classification of the lithological unit regarding the binding of granular material.

Property type: Classification

Bedding

BEDDING

Classification of the lithological unit regarding its bedding.

Property type: Classification

Tectonic unit

TECTONICUNIT

Tectonic unit this lithological unit is associated with.

Property type: Classification

Stratigraphic unit

STRATIGRAPHICUNIT

Stratigraphic unite this lithological unit is associated with.
Property type: Classification

Formation strength

FORMATIONSTRENGTH

Cohesiveness of rock that is totally divided by discontinuites.

Property type: Classification

Consistency

CONSISTENCY

Property type: Classification

Plasticity

PLASTICITY

Property type: Classification

Grainsize

GRAINSIZE

Property type: Classification

Table 3: Properties of elements in the lithology collection

Dicontinuities

Documentation of discontinuities in this round.

Property
Identifying name

Description

Description
DESCRIPTION

Description of the discontinuity unit.

Property type: String

Location description

LOCATIONDESCRIPTION

Description of position, shape and and orientation of the discontinuity unit.

Property type: String

Geometry

GEOMETRY

Geometry of this discontinuity unit on the heading face.

Property type: Geometry

Dipping

DIPPING

Dipping of the discontinuities in this unit.

Property type: Numeric

Dipping direction

DIPPINGDIRECTION

Line of greatest inclination to the horizontal

Property type: Numeric

Orientation estimated

ORIENTATIONESTIMATED

Specifies if the orientation was measured or estimated

Property type: Boolean

Default value: false

Genesis

GENESIS

Classification of this discontinuity unit regarding to its genesis.

Property type: Classification

Persistence

PERSISTENCE

Classification of this discontinuity unit regarding to its persistence.

Property type: Classification

Aperture

APERTURE

Classification of this discontinuity unit regarding to the aperture. If the discontinuities are filled this describes the thickness of the filling.

Property type: Classification

Spacing

SPACING

Classification of this discontinuity unit regarding to the spacing between two discontinuities in this unit.

Property type: Classification

Filling

FILLING

Material that fills the discontinuity.

Property type: Classification

Gouge

GOUGE

Gouge that is found on the discontinuity.
Property type: Classification

ASPERITY
ASPERITY

Macroscopic description of the difference to a totally flat structure.

Property type: Classification

ROUGHNESS
ROUGHNESS

Microscopic description of the difference to a totally flat structure.

Property type: Classification

Table 4: Properties of elements in the discontinuities collection

Water influx

Documentation of water influx.

Property
Identifying name

Description

Notes

NOTES

General notes on this water influx.

Property type: String

Geometry

GEOMETRY

Geometry of this influx at the heading face.

Property type: Geometry

Leakage type

LEAKAGETYPE

Property type: Classification

Leakage behaviour

LEAKAGEBEHAVIOUR

Property type: Classification

Influx type

INFLUXTYPE

Property type: Classification

Influx character

INFLUXCHARACTER

Property type: Classification

Influx place

INFLUXPLACE

Property type: Classification

Influx at

INFLUXAT

Property type: Classification

Temperature

Property type: Quantity

PH Value

Property type: Numeric

Conductivity

Property type: Quantity

Table 5: Properties of elements in the water influx collection

Samples

Documentation of samples

Property
Identifying name

Description

Geometry

GEOMETRY

Position of sample on the heading face.

Property type: Geometry

Notes

NOTES

General notes on the sample.

Property type: String

Sample number

SAMPLENUMBER

Number or ID of the sample.

Property type: String

Sample type

SAMPLETYPE

Classifies the sample according to its type.
Property type: Classification

Table 6: Properties of elements in the samples collection

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