Ground Reinforcement Method
RMG
 
 
RMG Mineral type quick-setting material
RMG(Rapid-hardening Multi-functional Grouting Method) method is a reinforcement method that utilizes chloride resistant eco-friendly RMG grout in place of LW. The RMG grout is suitable for early and long term water-stop and reinforcement since it shows excellent early strength and almost no leaching. RMG is a comprehensive tunnel and soil reinforcement method that can be utilized according to soil conditions and reinforcement purposes, and is not restricted to Steel Pipe-reinforced Multistep Grouting method.
 
· Characteristics
- Excellent early and long term strength
- Suitable for waterproofing and reinforcement, since it shows almost no leaching
- Shows almost no soil pollution form alkali leaching since LW is not used
- Shows no difference in shrinkage against freshwater and seawater
 
· Application range

- Suitable for permanent structure reinforcement and temporary facility structures
- Utilizing customized impregnation method according to site conditions
- Applying waterproof method to seashore rock layer, ocean seawater
- May expect grouting effects on micro pore ground made of soft rock and weathered (Micro cement)
- RMG method mineral type may use seawater or injection water

 
· Strength comparison
Classification
OPC+LW (water glass)
OPC+RMG
6 hours
0.15 1.2
1 day 0.21 1.5
3 days 0.31 1.8
7 days 0.61 2.1
(unit : ㎫)
 
· Standard mix proportion
Classification Solution A(200ℓ)
Solution B(200ℓ)
RMG(kg)
Set controlling
agent(kg)
Mixing water(ℓ)
Cement(kg)
Mixing water(ℓ)
1 mix 80 0.48 172 120 161
2 mixes 100 0.6 165 120 161
 
· Chemical resistance test

- Suitable for waterproofing and reinforcement, since it shows almost no leaching

· Chloride resistance test

- RMG shows no difference in shrinkage against freshwater and seawater
- Applicable to sites that require chloride resistance such as subsea tunnels and quay walls

Shrinkage rate

 
· Caution
· Packaging
- Stored in cool, dry environment, in completely airtight conditions.
- Immediate use is recommended after opening.
- Prevent contact with mouth or eyes.
- RMG = 20kg / package
- Set controlling agent = 400g / package

 
 
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