Ground Improvement Technologies
Fudo Tetra is constantly taking on challenges to meet the aspirations and needs of a new era,
making the land resilient to natural disasters and building up local communities.
- SAVE Compozer / SAVE Compozer HA(Non-vibratory sand compaction pile methods)
- SAVE Marine Method(Non-vibratory, low-noise offshore sand compaction pile method)
- Compozer(Sand compaction pile method)
- Resoil Compozer(Compozer method utilizing construction-generated soil)
- Sand Drain Method
- CF Drain Method(Partially covered sand drain method)
- Resoil Drain Method(Drain method using recycled construction-generated soil)
- Pack-Drain Method(Bagged sand drain method)
- Plastic Board Drain Method
- CS Drain Method(Implementation management system for plastic board drain method)
- Vacuum Consolidated Drain Method
- Fiber Drain Method(Using natural fiber)
- PDF Method(Floating type plastic board drain method)
- SAVE-SP Method(Sand infusion, non-vibratory compaction method)
- Vibro-Rod Method(Vibrating rod method)
- Mammoth Vibro-Tamper Method(Surface layer compaction method)
- Compaction Grouting Denver System(Non-vibratory compaction method by grouting)
- CI-CMC / CI-CMC-HA Methods(Large-diameter, superior quality deep mixing method / Large-diameter, low displacement deep mixing method suited to hard ground)
- CI-CMC-HG Method(Large-diameter, low displacement deep mixing method for ultra hard ground)
- CMC Method(Cement deep mixing (CDM) method)
- CDM-LODIC Method(Displacement reduction type deep mixing method)
- TOFT Method(Grid type solidification method)
- DJM Method(Dry Jet mixing method)
- ALiCC Method(Low improvement ratio cement column method)
- Power Blender Method(Shallow and intermediate layer mixing method)
- HCP Method(Hardening compaction method)
- GCCP Method(Gravel cement compaction pile method)
- JACSMAN(Cross jetting type composite mixing method)
- PJ Method(Cross jetting type composite mixing method using compact equipment)
- FTJ Method(Twin-flow cement slurry jet mixing method)
- FTJ-FAN Method(Swing-type multi-flow cement slurry jet mixing method)
- Superjet Method(High-pressure jet mixing method – large diameter)
- Consolider Method(Surface layer solidification method)
- V-MIXING Method(Surface layer solidification method – by horizontal propelling trencher)
- Barge Consolider System(Premixing method)
- Permeating Solidification Method
- TRD Method(Continuous soil cement diaphragm wall method)
- Sheet Wall Method(Special lightweight steel sheet pile water cutoff method)
- Geolock Method(Vertical sheet pile method)
- Trinner Method(Triple layer water cutoff wall method)
- LSS (Fluidized Soil Placement) Method(Fluidized soil placement method)
- Georaft Method(High-strength high-quality fluidized soil placement method)
- High-Grade Soil(Mixed strengthened soil method)
- SGM Lightweight Soil Method(Air bubble incorporated soil method)
- Gravel Drain Method(Gravel drain method)
- NUP Gravel Drain Method(Gravel piling with compaction method)
- Air-Des Method(Air-injection desaturation method)
● Applicable, effective ▲ Applicable, effective depending on conditions
● registered 〇 registered in past
Effect | Implementation conditions | NETIS registration data | NNTD registration data | Recognized technologies | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Stopping | Support | Reducing load/filling | Protection | Offshore implementation possible | Low vibration, low noise | Low displacement implementation | Can handle re-used material | Can handle implementation over mud | Space and height restrictions | ||||||||||||||
Preventing subsidence | Mitigating liquefaction | Preventing slippage | Soil/slope retaining | Water cutoff | Digging stability | Increased bearing capacity strength | Increased lateral resistance of pile | Load reducing | Void filling | Soil decontamination | Containment | ||||||||||||
Consolidation, drainage and compaction | SAVE Compozer (Non-vibratory sand compaction pile method) |
● | ● | ● | ● | ● | ● | ▲ | ● | ● | ● | ● | ● | ||||||||||
SAVE Compozer HA (Non-vibratory sand compaction pile method) |
● | ● | ● | ● | ● | ● | ▲ | ● | ● | ● | ● | ||||||||||||
SAVE marine method (Non-vibratory, low-noise type offshore sand compaction pile method) |
● | ● | ● | ▲ | ● | ● | ▲ | ● | ● | ● | |||||||||||||
Compozer (Sand compaction pile method) |
● | ● | ● | ▲ | ● | ● | ▲ | ● | ● | ||||||||||||||
Re-soil Compozer (Compozer utilizing construction-generated soil) |
● | ● | ● | ▲ | ● | ● | ▲ | ● | 〇 | ||||||||||||||
Consolidation Acceleration | Sand drain method | ● | ▲ | ▲ | ▲ | ▲ | ▲ | ● | ● | ||||||||||||||
CF drain method (Partially covered sand drain method) |
● | ▲ | ▲ | ▲ | ▲ | ▲ | ● | ||||||||||||||||
Resoil drain method (Drain method utilizing construction-generated soil) |
● | ▲ | ▲ | ▲ | ▲ | ▲ | ● | 〇 | |||||||||||||||
Pack-drain method (Bagged sand drain method) |
● | ▲ | ▲ | ▲ | ▲ | ▲ | ● | ||||||||||||||||
Plastic board drain method | ● | ▲ | ▲ | ▲ | ▲ | ● | ● | 〇 | |||||||||||||||
CS drain method (Plastic drain method management system) |
● | ▲ | ▲ | ▲ | ● | ● | ● | 〇 | |||||||||||||||
Vacuum consolidated drain method Consolidated drain method using capped drains | ● | ▲ | ▲ | ▲ | ● | ● | ● | ● | |||||||||||||||
Fiber drain method (Natural fiber drain method) |
● | ▲ | ▲ | ▲ | ● | ● | ● | 〇 | |||||||||||||||
PDF method (Floating type plastic board drain method) |
● | ▲ | ▲ | ▲ | ● | ● | ● | ||||||||||||||||
Compaction | SAVE-SP method (Sand infusion, non-vibratory compaction method) |
● | ▲ | ● | ● | ● | ● | ● | |||||||||||||||
Vibro-rod method (Vibrating rod method) |
▲ | ● | ● | ● | |||||||||||||||||||
Mammoth vibro-tamper method (Surface layer compaction method) |
▲ | ● | ● | ||||||||||||||||||||
Compaction grouting Denver system (Static compaction method by grouting) |
● | ● | ● | ||||||||||||||||||||
Solidification | Mechanical mixing | CI-CMC method (Large-diameter, superior quality deep mixing method) |
● | ● | ● | ● | ● | ● | ● | ● | ▲ | ● | ● | ● | ● | ● | ● | ● | |||||
CI-CMC-HA method (Large-diameter, low displacement deep mixing method for hard ground) |
● | ● | ● | ● | ● | ● | ● | ● | ▲ | ● | ● | ● | ● | ● | ● | ● | |||||||
CI-CMC-HG method (Large-diameter, low displacement deep mixing method for ultra hard ground) |
● | ● | ● | ● | ● | ● | ● | ● | ▲ | ● | ● | ● | ● | ● | ● | ● | |||||||
CMC method (Cement deep mixing (CDM) method) |
● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||||||
CDM-LODIC method (Displacement reduction type deep mixing method) |
● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||||||
TOFT method (Grid-type solidification method) |
● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ▲ | ● | ● | ||||||||||
DJM method (Powder discharge mixing method) |
● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||||||
ALiCC method (Low improvement ratio cement column method) |
● | ● | ● | ▲ | ● | ||||||||||||||||||
Power blender method (Shallow and intermediate layer mixing method) |
▲ | ▲ | ● | ▲ | ● | ▲ | ▲ | ▲ | ● | ● | ● | ● | |||||||||||
With Compaction | HCP method (Hardening compaction method) |
● | ● | ● | ● | ● | ● | ||||||||||||||||
GCCP method (Gravel cement compaction pile method) |
● | ● | ● | ▲ | ● | ● | |||||||||||||||||
Composite Mixing | JACSMAN (Cross jetting type composite mixing method) |
● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||||
PJ method (Cross jetting type composite mixing method using compact equipment) |
● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||||||
Jet Mixing | FTJ method (Twin flow cement slurry jet mixing method) |
● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||
FTJ-FAN method (Swing-type multi-flow cement slurry jet mixing method) |
● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||||
Super jet method (High pressure jet mixing method (large diameter)) |
● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||||||
Surface Layer Mixing | Consolider method (Surface layer solidification method) |
▲ | ▲ | ● | ▲ | ● | ▲ | ● | ▲ | ● | ● | ||||||||||||
V-mixing method (Surface layer solidification method (horizontal propelling trencher)) |
▲ | ▲ | ● | ▲ | ● | ▲ | ● | ▲ | ● | ● | |||||||||||||
Premixing | Barge consolider method (Premixing method) |
▲ | ● | ▲ | ● | ● | ● | ||||||||||||||||
Grouting Solidification | Permeating solidification method | ▲ | ● | ▲ | ● | ● | ● | 〇 | |||||||||||||||
Continuous Diaphragm Wall | TRD method (Continuous soil cement diaphragm wall method) |
▲ | ▲ | ▲ | ● | ● | ● | ● | ● | ● | 〇 | ||||||||||||
Water Cutoff | Sheet wall method (Special lightweight steel sheet pile water cutoff method) |
● | ● | ● | ● | ● | |||||||||||||||||
Geolock method (Vertical sheet pile method) |
● | ● | ● | ● | ● | ||||||||||||||||||
Trinner method (Triple layer water cutoff wall method) |
● | ● | ● | ● | ● | ● | |||||||||||||||||
Lightweight Soil | LSS method (Fluidized soil placement method) |
● | ▲ | ● | ▲ | ▲ | ▲ | ● | ▲ | ● | ● | ||||||||||||
Georaft method (High-strength high-quality fluidized soil placement method) |
● | ▲ | ● | ● | ● | ▲ | ● | ▲ | ● | ● | |||||||||||||
High-grade soil (Mixed strengthened soil method) |
● | ▲ | ● | ● | ● | ● | ▲ | ● | ● | ||||||||||||||
SGM lightweight soil method (Air bubble incorporated soil method) |
● | ▲ | ● | ● | ● | ● | ▲ | ● | ● | ||||||||||||||
Drainage | Gravel drain method (Gravel drain method) |
● | ● | ● | ● | ||||||||||||||||||
NUP gravel drain method (Gravel piling with compaction method) |
● | ● | ● | ||||||||||||||||||||
Others | Air-des method (Air-incorporated desaturation method) |
● | ● | ● | ● |