Name: Geosynthetic Cementitious Mat (GCCM) – Concrete Canvas for Rapid Erosion Control & Slope Protection | Nuokun Geo
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What is Concrete Canvas (GCCM)?

Concrete Canvas (also known as Geosynthetic Cementitious Mat, or GCCM) is a revolutionary construction material that combines the flexibility of a geotextile with the strength and durability of conventional concrete.

It consists of a three-dimensional fiber matrix, filled with a specially formulated dry concrete mix, and backed with a waterproof PVC membrane. When hydrated, the material sets to form a hard, durable, impermeable concrete layer—typically reaching 80% of its final strength within 24 hours.

This unique concrete fabric offers a rapid, low-labor alternative to traditional poured concrete or shotcrete for a wide range of applications.

How It Works: The 3-Step Process

Unroll: The flexible mat is simply rolled out over the prepared surface, like a carpet. No mixing, no formwork.

Secure: The edges are anchored and adjacent sheets are overlapped or sewn.

Hydrate: Water is applied (spray or pump). The dry concrete mix hydrates, and the material sets。

The result? A durable, erosion-resistant concrete layer, ready for service in 24 hours.

Key Benefits & Performance Evidence

Rapid Installation: Up to 200 m² per hour can be installed by a small team. Projects that take weeks with traditional concrete are completed in days.

Reduced Material & Labor: Eliminates the need for formwork, mixing equipment, and heavy transport of wet concrete. Lower labor costs and faster project completion.

Flexibility & Conformity: The uncured mat conforms to irregular ground contours, vegetated slopes, and small channels—perfect for complex site conditions.

Durable Protection: Once cured, it provides a hard, impermeable surface resistant to hydraulic scour, chemical attack, and freeze-thaw cycles.

Low Carbon Footprint: Compared to transporting and pouring ready-mix concrete, Concrete Canvas significantly reduces carbon emissions.

Primary Applications

Slope Protection & Erosion Control: For embankments, drainage channels, and shorelines.

Ditch & Swale Lining: Provides durable, vegetated-friendly protection for roadside and agricultural drains.

Containment & Secondary Containment: Lining for temporary bunds, spillways, and small-scale liquid containment.

Pipeline & Utility Protection: Protective covering for buried pipelines and cables in rocky terrain.

Landscaping & Architectural: Hardscape features, pond linings, and decorative elements.

Technical Specifications

Property	Typical Value	Test Method
Thickness (cured)	5mm – 13mm	–
Unconfined Compressive Strength	> 30 MPa (after 28 days)	ASTM D695
Flexural Strength	> 8 MPa	ASTM C78
Water Permeability (cured)	1×10⁻⁹ m/s	ASTM D5084
Roll Width	1.0m – 5.0m	–
Roll Length	20m – 50m	–
Cure Time	24 hours (full strength)	–

Note: Our Concrete Canvas is supplied in waterproof, UV-resistant packaging to prevent premature hydration.

Packing And Delivery

FAQ

1.Q: How does Concrete Canvas compare to traditional shotcrete?

A: Concrete Canvas installs faster, requires no formwork or heavy mixing equipment, and produces little to no waste. It is ideal for remote sites or rapid response. Shotcrete offers higher strength for large structural walls but involves more complex logistics.

2.Q: Can vegetation grow through Concrete Canvas?

A: Yes. For applications where vegetation is desired, a perforated or vegetated version is available. The cured mat provides erosion protection while allowing selected species to root through.

3.Q: How long does it last?

A: The cured GCCM has a service life exceeding 25 years in most exposed environments. The geotextile fibers are alkali-resistant and UV-stabilized.

4.Q: What surface preparation is required?

A: The subgrade should be firm, free of sharp protrusions, and have a uniform profile. For slopes, minor irregularities are acceptable as the mat conforms. No formwork or rebar is needed.

5.Q: Can it be applied underwater or in wet conditions?

A: Yes, Concrete Canvas can be hydrated and set underwater, making it suitable for submerged applications like pipeline protection or erosion control in rivers and canals.

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