Underwater Construction Geotextile Bag 650 G/M2 90kNm Geotextile Filter Bag
Geotextile bags designed for underwater construction provide an advanced solution for concrete formwork and structural reinforcement in aquatic environments. Manufactured from high strength woven polypropylene or polyester fibers these bags offer excellent tensile properties and low elongation ensuring reliable performance during and after installation.
In underwater engineering traditional formwork systems require complex cofferdams or water diversion processes which significantly increase project cost and time. Geotextile bags eliminate these challenges by allowing direct placement and filling in water. Once filled with concrete the bags conform closely to the substrate forming a continuous protective layer with high stability.
The flexible structure of the bag ensures that it adapts to uneven or complex terrain improving bonding and reducing void formation. This results in better load distribution and enhanced durability. The permeability of the fabric also helps release excess water reducing internal pressure and improving curing performance.
With high resistance to chemical corrosion and ultraviolet degradation these geotextile bags maintain their integrity even in aggressive environments making them suitable for long term underwater use.
- Eliminates need for cofferdams in underwater construction
- Reduces project time and cost
- Ensures stable concrete placement on uneven surfaces
- Improves durability of hydraulic structures
- Enables rapid emergency construction
| Property | Unit | Value |
|---|---|---|
| Grammage | g m2 | ≥650 |
| Tensile Strength MD CD | kN m | ≥90 |
| Elongation | percent | ≤15 |
| Seam Strength | kN m | ≥160 |
| CBR Strength | kN | ≥8.5 |
| UV Resistance | percent | ≥90 |
| Opening Size O90 | mm | ≤0.425 |
| Permeability Q50 | L m2 s | ≥25 |


- Underwater slope protection
- Canal lining
- Dam foundation repair
- Emergency flood reinforcement
- Specialized underwater engineering solutions
- High strength and reliable performance
- Custom production capabilities
- Fast delivery for urgent projects
Can geotextile bags be used underwater
Yes they are designed for underwater placement without the need for complex structures
What makes them efficient for construction
Their flexibility and easy installation significantly reduce time and cost
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