Geotech Mapping Sheets - De Beers Group

Document Sample
Geotech Mapping Sheets - De Beers Group Powered By Docstoc
					Core Logging - Core Joints
DE BEERS GROUP OF MINES - GEOTECHNICAL Location:__________ Bench/Level:_________________ Domain:___________ Hole Bearing/Plunge:__________ Logged by:________ Hole Length:_________________ Date:_____________ Rock Type:__________________
Distance (m) Rock Type J1 - Class J2 - Class J3 - Class

Collar
X: Y: Z:
Macro

Toe

PC Input By:_______________ Checked:__________ Page no:____of____
Wall Alteration Fill Hardness Fill Type Fill Thickness Phi Beta

Micro

J1 J2 J3 J1 J2 J3 J1 J2 J3 J1 J2 J3 J1 J2 J3 J1 J2 J3 J1 J2 J3
Joint Class
1 - 0-30 2 - 30-60 3 - 60-90

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Fill Thickness
1 - <1mm 2 - 1-3mm 3 - 3-10mm 4 - 10-50mm 5 - >50mm

Macro Joints
1 - Planar 2 - Undulating 3 - Curved 4 - Irregular 5 - Multi Irregular

Micro
1 - Polished 2 - Smooth 3 - Rough 4 - Very Rough 5 - Stepped Ridged 6 - Slickensided

Wall Alteration
1 - wall=rock hardness 2 - wall>rock hardness 3 - wall<rock hardness

Fill Type
Q - Quartz C - Calcite FE - Iron oxide CL - Clay B - Breccia G - Gouge M - Magnesium H - Haematite S - Sulphide O - Other

Macro assumed to be 1 for core

Core Logging - Core Zones
DE BEERS GROUP OF MINES - GEOTECHNICAL Location:__________ Bench/Level:_______________ Domain:___________ Hole Bearing/Plunge:__________ Logged by:________ Hole Length:_________________ Date:_____________ Rock Type:__________________
From (m) To (m) Rock Type Hardness Weathering TCR (m) SCR (m)

Collar
X: Y: Z:

Toe

PC Input By:_______________ Checked:__________ Page no:____of____
Number of Joint Sets Comments

RQD %

FF/M

Hardness 1 - Crumbles - (<10MPa) 2 - Scratch with nail - (10-40MPa) 3 - Scratch with knife - (40-80MPa) 4 - Fracture with one blow - (80-120MPa) 5 - Fracture in more than 1 blow - (>200MPa)

Weathering 1 - Fresh 2 - Slightly Weathered 3 - Moderately Weathered 4 - Highly Weathered 5 - Extremely Weathered

JOINT SURVEY - JOINTSE
DE BEERS GROUP OF MINES - GEOTECHNICAL Location:__________ Bench/Level:_________________ Domain:___________ Line Bearing/Plunge:__________ Mapped by:________ Line Length:_________________ Date:_____________ Rock Type:__________________ Start
X: Y: Z:

End

IRS:_____ PC Input By:_______________ Checked:__________ Page no:____of____

Distance_(m)

Rock_Type

DIP

Dip_Direction

Type

Trace_Length_ Trace_Length_ Large_Scale_Pla Small_Scale_Planarity Above Below narity_(>1m) _(<1m)

Top_Termination

Top_Termination_A Bottom_Termin Bottom_Terminati ngle ation on_Angle

Comments

Revised:22/04/04
Type J - Joint V - Vein F - Fault B - Bedding S - Shear C - Contact Water 0 - No 1 - Yes Persistence 1 - Very low <1m 2 - Low 1 - 3m 3 - Medium 3 - 10m 4 - High 10 - 20m 5 - Very high >20m Large_Scale_Planarity_(>1m) 1 - Wavy 2 - Wavy Unidirectional 3 - Wavy Curved 4 - Wavy Slight Undulating 5 - Straight Small_Scale_Planarity_(<1m) 1 - Step Rough 2 - Step Smooth 3 - Step Slickenside 4 - Undul Rough 5 - Undul Smooth 6 - Undulating Slickensided 7 - Rough 8 - Smooth 9 - Slickensided Top/Bottom_Termination AJ - Another Joint IR - Intact Rock C - Censored Top/Bottom_Termination_Angle L - Low Angle H - High Angle Alteration/Weather 1 - Unweathered 2 - Slightly 3 - Moderately 4 - Highly 5 - Completely 6 - Residual Soil Top/Bottom_Termination AJ - Another Joint IR - Intact Rock C - Censored
Top/Bottom_Termination_Angle

L - Low Angle H - High Angle

ROCK MASS CLASSIFICATION
DE BEERS GROUP OF MINES - GEOTECHNICAL Date: Recorded by: Site Location: From ROCK TYPE DOMAIN X= Y= Z= To: X= Y= Z= Bench/Level:

INTACT MATERIAL STRENGTH (MPa) Extremely Weak Rock Very Weak Rock Weak Rock Medium Strong Rock Strong Rock Very Strong Rock Extremely Strong Rock

DESCRIPTION OF WEATHERING Fresh Slightly Weathered Highly Weathered Completely Weathered Residual Soil GROUND WATER CONDITIONS Dry Moist Medium Inflow 25 - 125 l/min High Inflow >125 l/min BLASTING EFFECTS Smooth Wall Blasting Good Conventional Blast Poor Conventional Blast

ROCK MASS CLASSIFICATION MRMR = IRS Rating FF/m Rating Joint Condition (Large Scale) Joint Condition (Small Scale) Joint Filling (Alteration) Joint Wall Alteration Groundwater ADJUSMENTS Weathering Joint Orientation Mining Induced Stress Blasting Effects RMS = DRMS = %

ROCK MASS DISCONTINUITIES
Set No. Type DIP LS_Planarity_ SS_Planarity_ Alteration_ Dip_Direction (>1m) (<1m) Description Spacing Type_of_Infill Minimum Maximum Average No/metre

Type J - Joint V - Vein F - Fault B - Bedding S - Shear C - Contact

Large Scale Planarity 1 - Wavy 2 - Wavy Unidirectional 3 - Wavy Curved 4 - Wavy Undulating 5 - Straight

Small Scale Planarity 1 - Step Rough 2 - Step Smooth 3 - Step Slickenside 4 - Undulating Rough 5 - Undulating Smooth

6 - Undul Slickenside 7 - Rough 8 - Smooth 9 - Slickenside

Revised: 22/04/04

JOINT SURVEY - SCAN LINE
Debswana - Jwaneng Mine
DOMAIN:………….._____________________ DATE: .................................. ______________ MAPPED BY: ................................. ______________ PIPE: .................................................. ______________ SECTION LINE: ............... ______________ BENCH/LEVEL:…..……__________________ LINE BEARING/PLUNGE:__________________ LINE LENGTH:…....….…__________________ ROCK TYPE……..…..____________________ X: Y: ELEV: Location Start End IRS Rating COMPUTER INPUT

_____________ INPUT BY:

..... _____________________

CHECKED BY: _____________________ PAGE: .. _________ OF: ... _________

Schmidt Hamm Trace_Length_ Trace_Length_ Above Below Alteration_D escription Joint_Aperture_(mm) Large_Scale_Planarit Small_Scale_Planarit y_(>1m) y_(<1m) Water Top_Termination_A Bottom_Termi Bottom_Terminati ngle nation on_Angle Up/Down

Distance_(m)

Rock_Type

DIP

Dip_Direction

Type

Persistence

Type_of_Infill

Top_Termination

78 References:
Type J - Joint V - Vein F - Fault B - Bedding S - Shear C - Contact Water 0 - No 1 - Yes Persistence 1 - Very low <1m 2 - Low 1 - 3m Top/Bottom_Termination AJ - Another Joint IR - Intact Rock C - Censored Top/Bottom_Termination_Angle L - Low Angle H - High Angle Alteration/Weather 1 - Unweathered 2 - Slightly 3 - Moderately 4 - Highly 5 - Completely 6 - Residual Soil Top/Bottom_Termination Top/Bottom_Termination_Angle Large_Scale_Planarity_(>1m) 1 - Wavy 2 - Wavy Unidirectional 3 - Wavy Curved 5 - Straight Small_Scale_Planarity_(<1m) 6 - Undulating Slickensided 7 - Rough 9 - Slickensided 1 - Step Rough 2 - Step Smooth Revised: 22/04/2004

3 - Step Slickenside8 - Smooth 5 - Undul Smooth

4 - Wavy Slight Undulating 4 - Undul Rough


				
DOCUMENT INFO
Shared By:
Categories:
Stats:
views:10
posted:10/21/2009
language:English
pages:5