The seismic high-ductility concrete boosts masonry structures' earthquake resistance through advanced fiber reinforcement, maintaining a certain structural integrity even when cracks occur due to bending.
Product Introduction
Engineers turn to this fiber reinforced cement composite when retrofitting older masonry for earthquake readiness, as it delivers crack resistant performance without sacrificing ease of use.
Product Parameters
Test Item | Standard Curing Age | Class I | Class II | Class III |
|---|---|---|---|---|
Equivalent Bending Toughness (kJ/m²) | 60d | ≥160.0 | ≥120.0 | ≥80.0 |
Equivalent Bending Strength (N/mm²) | 60d | ≥11.0 | ≥10.0 | ≥9.0 |
Flexural Strength (N/mm²) | 60d | ≥12.0 | ≥12.0 | ≥12.0 |
Cubic Compressive Strength (N/mm²) | 60d | ≥50.0 | ≥50.0 | ≥50.0 |
Durability Indicators:
Freeze-Thaw Resistance: ≥F300
Water Penetration: ≥P12
Chloride Ion Penetration: ≥RCM-IV
Sulfate Erosion Resistance: ≥K90
Carbonation Depth (28d): ≤2.0mm
Product Usage
Apply this concrete for seismic upgrades on masonry walls, beams, and slabs in homes, schools, or bridges. It's perfect for patching cracks, thickening protective layers, and repairing defects like honeycombs or exposed rebar, ensuring structures flex without breaking during quakes while still holding a certain structure even with bending-induced cracks.
Clean the base thoroughly, removing any loose material or coatings. Wet the surface well before mixing A (40kg), B (320g fiber), and water—stir up to 4 batches at once for even results. Add water first, mix to a gel, then blend in fibers until dispersed. Pour without vibrating; it self-compacts. Clean tools after each batch to avoid issues.
Contractors love how this material cuts down on labor with its no-vibe setup and quick hardening, especially for urgent retrofits in earthquake-prone spots. We've seen it turn shaky old buildings into sturdy ones that hold up under real shakes, keeping structure intact despite cracks from bending.
50 kg per kraft paper bag
Shelf life: 6 months in dry indoor storage
Store in cool, ventilated areas
Keep sealed to prevent moisture and frost damage
Product Documentation
Seismic High-Ductility Masonry Concrete
This seismic high-ductility concrete boosts masonry structures' earthquake resistance through advanced fiber reinforcement, maintaining a certain structural integrity even when cracks occur due to bending.
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Our products have undergone rigorous testing at our national testing laboratory (CABR testing center co., ltd). Renowned Fortune Global 500 firms such as China Railway Group Limited, China Communications Construction Company Limited, and Sinohydro are among our esteemed clients.
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