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VP Sub Sea Grout (Underwater for Ports)
VP Sub Sea Grout
Marine-Grade Grouting for Underwater Infrastructure
VP Sub Sea Grout by Vigour Plethora is a specialized anti-washout grout formulated for the harshest marine environments. It is engineered to displace water effectively and harden in submerged conditions without losing its structural integrity.
Description
VP Sub Sea Grout
VP Sub Sea Grout is a specially formulated blend of sea-water-resistant binder, Portland cement, carefully graded aggregates, anti-washout agents, and performance additives. When mixed with the recommended amount of water, it produces a free-flowing, uniform grout slurry that can be easily poured or pumped into place.
This ready-mix, non-shrink cementitious grout is designed specifically for underwater and seawater applications. It effectively displaces water and sets and hardens underwater with minimal washout, ensuring durable and reliable structural performance.
Advantages of VP Sub Sea Grout
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Effectively displaces water during placement
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Sets and hardens completely underwater
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Resistant to segregation and bleeding
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High resistance to impact and vibration
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Easily placed by pouring or pumping
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Excellent resistance to seawater exposure
Application Areas
VP Sub Sea Grout is ideal for underwater and marine grouting applications, including restoration and structural strengthening works such as:
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Bridge columns, piers, and piles
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Marine structures and foundations
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Dams and spillways
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Slipways and jetties
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Underwater concrete reinstatement
Technical Specifications
| S. No. | Parameter | Unit | Specification |
|---|---|---|---|
| 1 | Grain Size | mm | 4 |
| 2 | Water Requirement | % | 16–18 |
| 3 | Linear Expansion | % | 0.3 |
| 4 | Yield (25 kg Dry Grout) | — | 12.5 |
| 5 | Compressive Strength — 1 Day | kg/cm² | 245 |
| 6 | Compressive Strength — 7 Days | kg/cm² | 430 |
| 7 | Compressive Strength — 28 Days | kg/cm² | 499 |
| 8 | Packing | kg | 25 |
Mixing Procedure
VP Sub Sea Grout must be mixed using a high-speed mechanical mixer with full bags. Add water in two stages and prepare only the quantity that can be placed within 10–15 minutes.
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Immersed grout typically requires no curing
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Sections above water should be cured for at least 7 days
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Formwork is recommended to remain in place for the same duration
Application Guidelines
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Surfaces must be clean, sound, rough, and free from oil, grease, laitance, and loose particles
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Clean surfaces using high-pressure water jetting
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Smooth surfaces should be roughened by scrabbling or sandblasting
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Immersed substrates can be prepared using high-pressure water jets
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Metal surfaces (steel or iron) must be free from rust, scale, oil, and grease
Recommended For:
- Reinstating concrete in bridge columns, pillars, and piles.
- Port and slipway repairs.
- Underwater dam and tunnel maintenance.
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