Geobear Capability Matrix
This page outlines the core capabilities provided by Geobear as outlined in our Capability Matrix. The full matrix can be downloaded as a PDF and includes clickable links within the case study column
Grouting Activity / Process
Particular Objectives
Geobear Method
Soil Characteristics
Limitations (Achieved)
Verification method
Case Studies
Stucture – related applications [ surface, near-surface ]
Re-levelling / Lifting- foundations, floors, structures, utilities
Correct structural defects – differential settlement and/or deflection
Re-levelling / Stabilisation
Granular, Made ground, Silt, Clay, Peat organic material < 10%, WL < 60%
Lifting up to 400mm, max load 140t locomotive
Level monitoring
Improve bearing capacity below existing structure to avoid / mitigate settlements – granular soils ( sands, gravels)
Geopolymer permeation, expansion, compaction and densification
Ground Improvement
All granular (Made Ground, Sands and Gravels/Cobbles)
Up to 350% improvement depending on initial density
Dynamic penetration testing (DP)/Standard Penetration testing (SPT)/Cone Penetration Testing (CPT)/plate load testing
Improve bearing capacity below existing structure to avoid / mitigate settlements – cohesive soils ( clays, silts )
Hydraulic fracturing, fracture permeation, geopolymer expansion, strengthening and stiffening
Ground Improvement
Cohesive soils (Made ground, Silt, Clay), organic content < 10%, WL < 60%, N-SPT Value > 1
Up to 600% improvement depending on initial shear strength
DP / SPT / CPT / Plate load testing / Triaxial Testing / In-situ shear wave measurements
Improve bearing capacity of existing foundations to accommodate additional current or future loading
Localised geopolymer permeation, expansion, compaction and densification. Fracture permeation, strengthening and stiffening.
Ground Improvement
All granular (Made Ground, Sands and Gravels/Cobbles) and cohesive soils (Made ground, Silt, Clay), organic content < 10%, WL < 60%, N-SPT Value > 1
350% to 600% improvement depending on nature of ground
DP / SPT / CPT / Plate load testing / Triaxial Testing
Structural underpinning
Localised structural support by injection pile to address stability issues
Structural Support
All soil types N-SPT Value 0-3
Max load 200kN/m, max depth 6m
Quantity, Level monitoring, Pile load testing
Water exclusion (Groundwater permeation reduction vs. structure leaks)
Groundwater exclusion via structure fabic or joints / defects
Ground Improvement
Granural soils, Structures
100%
Permeability test
Void filling – below foundations, floor slabs
Restore support, reduce risk of future settlement and/or void migration
Void Filling
All soils
100%
Quantity and visual/sampling/Dynamic penetration testing (DP)
Vibration reduction
Traffic dynamic loads, manufacturing machinery
Ground Improvement
Granular soils
70% reduction
Vibration monitoring
Structural infill to reduce volumetric change (Clay Shrinkage)
Geoploymer fracture permeation, expansion, compaction, strengthening and stiffening. Bulk permeability reduction.
Ground Improvement
Shrink and swell Clay
Clay Modified PI < 60%
Level monitoring/soil sampling/Dynamic penetration testing (DP)
Grouting Activity / Process
Particular Objectives
Geobear Method
Soil Characteristics
Limitations (Achieved)
Verification method
Case Studies
Geotechnical applications [ sub-surface ]
Liquefaction mitigation
Stiffening / densification of soil mass to control vibration-induced soil mobility
Ground Improvement
Sand, Granular soils
Factor of safety > 1
DP / SPT / CPT / Plate load testing / In-situ shear wave measurements
Sink hole remediation
Fill open cavities and consolidate loose infill materials
Void Filling, Ground Improvement
All soils
100%
Quantity and visual /sampling / DP
Filling / stabilisation of old coal/mineral workings
Fill open cavities and consolidate loose infill materials
Void Filling, Ground Improvement
Underground cavities
100%
Quantity and visual / sampling /DP
Mitigate settlement from construction or tunnelling activity (compensation grouting)
Mitigate excavation-induced settlement by replacement of excavation volume loss
Geo RT, Ground Improvement
Settling soils
100%
Monitoring of structure
Control internal erosion
Seal preferred seepage paths and reduce permeability to ensure long-term stability of embankments
Ground Improvement
Permeability tests
100%
Quantity and visual /sampling / GPR / DP
Pile Load Capacity Improvement (Toe Injections)
Hydraulic fracturing, fracture permeation, strengthening and stiffening
Geo RT, Ground Improvement
Cohesive soils (Made ground, Silt, Clay), organic content < 10%, WL < 60%, N-SPT Value > 1
Up to 200% improvement depending on nature of ground
Pile Load Testing/ DP / SPT / CPT
Hydraulic cut-off
Provide a hydraulic cut off barrier to reduce seepage rates and / or isolate an excavation or embedded structure structure
Ground Improvement
Granural soils, Structures
100%
Permeability tests
