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Sleeve Grout for Prefabricated Connections

Sleeve Grout for Prefabricated Connections

High-Strength Connection: Develops full tensile and compressive capacity of reinforcing bars. Time-Efficient: Reduces on-site labor by up to 70% compared to traditional welding. Weather-Resistant: Grouting can proceed in most ambient conditions (0–40°C).

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Key Features

High-Strength Connection: Develops full tensile and compressive capacity of reinforcing bars.

Time-Efficient: Reduces on-site labor by up to 70% compared to traditional welding.

Weather-Resistant: Grouting can proceed in most ambient conditions (0–40°C).

Corrosion Protection: Sealed sleeve design prevents ingress of moisture/chlorides.

Quality Assurance: Visual grout inspection ports confirm complete cavity filling.

Technical Parameters

Parameter

Standard Range

Heavy-Duty Option

Bar Diameter

Ø16mm – Ø40mm

Ø40mm – Ø60mm

Grout Compressive Strength

85 MPa (7 days)

100 MPa (7 days)

Sleeve Material

Ductile Iron / Structural Steel

Structural Steel (Q355)

Tensile Capacity

420 MPa – 550 MPa

550 MPa – 800 MPa

Grout Type

Non-shrink, ASTM C1107

Non-shrink, ASTM C1107

Cover Thickness

≥20mm

≥25mm

Operating Temp. Range

-30°C to +80°C

-40°C to +100°C

*Complies with: EN 1992, ACI 318, ISO 15835, and PCI MNL-135.*

Applications

Precast Structural Frames:

Column-to-foundation, column-to-column, and beam-to-column joints.

Tilt-Up Construction:

Wall panel connections and lifting inserts.

Infrastructure Projects:

Bridge girders, tunnel segments, and retaining walls.

Industrial & Commercial Buildings:

Seismic-resistant joints in parking structures, warehouses, and high-rises.

Modular Construction:

Rapid inter-module connections for volumetric units.

Installation Workflow

Embed Sleeves: Cast sleeves into precast elements during fabrication.

Align Elements: Position on-site; insert rebar from adjoining element.

Grout Injection: Pump flowable grout through inlet port until outlet port confirms fill.

Cure: Achieves handling strength in 1–3 hours (full strength in 24–48 hrs).

Sustainability Benefits

Reduced CO₂: Eliminates welding fumes/cutting.

Material Efficiency: 30% less steel vs. welded plates.

Waste Minimization: No spark/grinding debris.

Contact Us: For project-specific engineering support, grout specifications, or ASTM/EN test reports.
Customization Available: Sleeve configurations for complex rebar layouts or seismic zones.

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