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• GDF_ST_GALLEN_Interval_velocity_model_TWT.mat 

MECHANICAL DATA

Data details

‘d’ structure contains fields:

• Time – vector of real numbers specifying measurement time since the beginning of the experiment.

optional:

• AE Rate – vector of real numbers containing the number of Acoustic Emission occurrence with time.
• Axial Stress – vector of real numbers containing measurements of stress in axial direction
• Confining Pressure – vector of real numbers containing measurements of stress uniform in horizontal direction
• Injection Rate – vector of real numbers containing the injection rate
• Injection Volume – vector of real numbers containing the volume of injected fluid
• Pore Pressure  – vector of real numbers containing measurements of pore pressure during the experiment
• Effective Normal Stress – vector of real numbers containing estimates of effective normal stress on the saw-cut fault plane
• Shear Stress – vector of real numbers containing shear stress on the saw-cut fault plane
• Fault Slip – vector of real numbers containing measurements of fault slip on the saw-cut fault plan
• Fault Slip Velocity – vector of real numbers containing measurements of fault slip velocity
• Vertical Strain Gauge 1 – vector of real numbers containing strain measurements in vertical Z direction of strain gauge 1
• Vertical Strain Gauge 2 – vector of real numbers containing strain measurements in vertical Z direction of strain gauge 2
• Vertical Strain Gauge 3 – vector of real numbers containing strain measurements in vertical Z direction of strain gauge 3
• Horizontal Strain Gauge 1 – vector of real numbers containing strain measurements in horizontal direction of strain gage 1
• Horizontal Strain Gauge 2 – vector of real numbers containing strain measurements in horizontal direction of strain gage 2
• Horizontal Strain Gauge 3 – vector of real numbers containing strain measurements in horizontal direction of strain gage 3

Field details

FieldDescription

• Time – Time since the beginning of the experiment.

optional:

• AE Rate - Acoustic Emission Rate with time.

• Axial Stress - Axial Stress measured using an internal load cell with an accuracy of +/- 0.05 MPa
• Confining Pressure - Uniform horizontal stress measured using an internal load cell
• Injection Rate - Fluid Injection Rate
• Injection Volume – Volume ofInjected Fluid
• Pore Pressure - Pore Pressure measured with the system Quizix 6000
• Effective Normal Stress - Effective Normal Stress results from normal stress acting on the saw-cut fault plane minus pore pressure
• Shear Stress - Shear Stress resolved on the saw-cut fault plane
• Fault Slip – Fault Slip determined from total axial displacement minus deformation of the loading frame and rock matrix
• Fault Slip Velocity – Measured Fault Slip Velocity
• Vertical Strain Gauge 1 – Data of vertical strain gauge No. 1
• Vertical Strain Gauge 2 – Data of vertical strain gauge No. 2
• Vertical Strain Gauge 3 – Data of vertical strain gauge No. 3
• Horizontal Strain Gauge 1 – Data of horizontal strain gauge No. 1
• Horizontal Strain Gauge 2 – Data of horizontal strain gauge No. 2
• Horizontal Strain Gauge 3 – Data of horizontal strain gauge No. 3

FieldType

• Time – 47, 412

optional:

• AE Rate – 36
• Axial Stress – 36
• Confining Pressure – 36
• Injection Rate – 116
• Injection Volume – 26
• Pore Pressure – 26
• Effective Normal Stress – 26
• Shear Stress – 26
• Fault Slip – 16
• Fault Slip Velocity – 116
• Vertical Strain Gauge 1 – 228
• Vertical Strain Gauge 2 – 228
• Vertical Strain Gauge 3 – 228
• Horizontal Strain Gauge 1 – 228
• Horizontal Strain Gauge 2 – 228
• Horizontal Strain Gauge 3 – 228

FieldUnit

• Time – s

optional:

• AE Rate – Hz
• Axial Stress – MPa
• Confining Pressure – MPa
• Injection Rate – ml/min
• Injection Volume – ml
• Pore Pressure – MPa
• Effective Normal Stress – MPa
• Shear Stress – MPa
• Fault Slip – mm
• Fault Slip Velocity – mm/s
• Vertical Strain Gauge 1 – m/m
• Vertical Strain Gauge 2 – m/m
• Vertical Strain Gauge 3 – m/m
• Horizontal Strain Gauge 1 – m/m
• Horizontal Strain Gauge 2 – m/m
• Horizontal Strain Gauge 3 – m/m

MINE AREA

Data details

‘d’ structure contains fields:

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