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Appendix B - Global Stability Assessment Report
Attached to the e-mail Operational Works Application - DA Form 1 - Town Planning Report - Global Stability Assessment Report - Earthworks Compaction Report - Erosion and Sediment Control Plan - 36 Tunba Court Cooroy Mountain.
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Brisbane | Gold Coast | Maroochydore
Unit 1, 35 Limestone Street (PO Box 3063), Darra Q 4076 P (07) 3279 0900
ABN 51 009 878 899
www.morrisongeo.com.au
SYMBOLS AND ABBREVIATIONS
Drilling methods
SA Solid Flight Auger
k Hydraulic Conductivity
HS Hollow Stem Auger
Mv Coefficient of Volume Compressibility
WB Wash Boring
Cɑ Coefficient of Secondary Compression
NMLC Triple tube rotary core drilling
Cc Compression Index
HA Hand Auger
Cv Coefficient of consolidation
PHA Hydraulic powered hand auger
OCR Over Consolidation Ratio
CPT Cone Penetrometer Testing
e Void Ratio
n Porosity
Drilling Bits and Attachments E Elastic Modulus
TC Tungsten Carbide bit
V V bit CBR California Bearing Ratio
RR Rock Roller (tricone) UCS Unconfined Compressive Strength
BB Blade Bit Is(50) Point Load Strength Index
Excavation Attachments MDR Moisture Density Relationship
GP General Purpose toothed bucket DD Dry Density
Ba Batter Bucket WD Wet Density
TT Tiger Teeth MDD Maximum Dry Density
RB Hydraulic rock breaker OMC Optimum Moisture Content
ST Single Tine SDDR Standard (compactive effort) dry density ratio
DOS Degree of Saturation
Sampling and Testing APD Apparent Particle Density
SPT Standard Penetrometer Testing
Ys Characteristic Surface Movement
N SPT Blow Count
Iss Shrink/Swell Index
DCP Dynamic Cone Penetrometer Testing
Hs Depth of design soil suction change
SV Shear Vane Test
Ht Maximum drying depth close to a tree
U50 Undisturbed 50mm tube sample
D Disturbed Sample σ Total stress
W Water Sample σ' Effective stress
PP Pocket Penetrometer u Pore Water Pressure
Rec Length of sample recovered
R Refusal Foundation Design
RQD Rock Quality Designation qu Ultimate soil bearing capacity (shallow
PL Point Load Test foundations)
A Point Load Test (axial) qa Allowable soil bearing capacity (shallow
D Point Load Test (diametral) foundations)
L Point Load Test (irregular Lump) fs Ultimate shaft friction (piled foundations)
BH Borehole fb Ultimate base bearing pressure (piled
TP Test Pit foundations)
Rdg Ultimate geotechnical strength (Compression)
Water/Moisture Rug Ultimate geotechnical strength (Uplift)
D Dry ɸg Geotechnical Strength Reduction Factor
M Moist f'c Design characteristic strength of concrete
W Wet
First noted depth of water ground water inflow Standards and Specifications
Steady Water Level AS Australian Standards
MRD Department of Transport and Main Roads
Soil Properties MRS Main Roads Specification
Cu Undrained Shear Strength MRTS Main Roads Technical Specification
C’ Effective Shear Stress ISO International Organization for
Φu Angle of friction – Undrained Standardization
Φ’ Angle of friction – Drained
Ɣ Unit Weight
Miscellaneous
Gs Specific Gravity
CTB Cement treated base
MC Moisture Content
RSS Reinforced soil structure
LL Liquid Limit
CFA Continuous flight auger
PL Plastic Limit
CH Chainage
PI Plasticity Index
WPI Weighted Plasticity Index
LS Linear Shrinkage
PSD Particle Size Distribution
Dn n% of particles smaller than specified diameter
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