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.

Search by named method Search from list of methods

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	Offshore implementation possible	Low vibration, low noise	Low displacement implementation	Can handle re-used material	Can handle implementation over mud	Space and height restrictions
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）	●	●					●	●						●							●
	With Compaction	GCCP method （Gravel cement compaction pile method）	●	●	●			▲	●	●
	Composite Mixing	JACSMAN （Cross jetting type composite mixing method）	●	●	●	●	●	●	●	●				●	●	●	●						●
	Composite Mixing	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）	▲	▲	●		▲		●	▲			●	▲		●			●
	Surface Layer Mixing	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）		●												●	●			●
Drainage		NUP gravel drain method （Gravel piling with compaction method）		●												●				●
Others		Air-des method （Air-incorporated desaturation method）		●												●	●			●