CC Civil Brochure-Titan

1906.01.EN

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Concrete Canvas ® GCCM

Concrete Canvas ® GCCM section

What is it?

Concrete Canvas ® GCCM User Benefits Concrete Canvas ® is part of a revolutionary new class of construction materials called Geosynthetic Cementitious Composite Mats (GCCMs). It is a flexible, concrete filled geosynthetic, that hardens on hydration to form a thin, durable, water proof and fire-resistant concrete layer. Essentially, it’s concrete on a roll. Concrete Canvas ® GCCM (CC) allows concrete construction without the need for plant or mixing equipment: just add water. CC consists of a 3-dimensional fibre matrix containing a specially formulated dry concrete mix. A PVC backing on one surface of the CC ensures the material has excellent impermeability. CC can be hydrated either by spraying or by being fully immersed in water. Once set, the fibres reinforce the concrete, preventing crack propagation and providing a safe plastic failure mode. Concrete Canvas ® GCCM is available in 3 thicknesses: CC5 TM , CC8 TM and CC13 TM , which are 5, 8 and 13mm thick respectively. Rapid Install CC can be laid at a rate of 200m 2 /hour, up to 10 times faster than conventional concrete solutions. Easy to Use The concrete is pre-mixed so there is no need for mixing, measuring or compacting. CC is also available in man portable rolls for applications with limited access. Lower Project Costs The speed and ease of installation mean Concrete Canvas ® GCCM is more cost-effective than conventional concrete, with less logistical complexity. Eco-friendly CC is a low mass, low carbon technology which uses up to 95% less material than conventional concrete for many applications. Water Proof The PVC backing on one surface of the CC ensures that the material has excellent impermeability. Strong The fibre reinforcement prevents cracking, absorbs energy from impacts and provides a stable failure mode. Durable CC is 5 times as abrasion resistant as standard OPC concrete ▲ , has excellent chemical resistance, weathering performance and UV Concrete Canvas ® GCCM Key Properties

Batched rolls

resistance. Flexible

CC has good drape characteristics and will closely follow the ground profile and fit around existing infrastructure. Unset CC can be cut or tailored using basic hand tools.

Bulk roll

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The informationcontainedherein isoffered freeofchargeand is, to thebestofourknowledge,accurate.However,since thecircumstancesandconditions inwhichsuch informationand theproductsdiscussed thereincanbeusedmayvaryandarebeyondourcontrol,wemakenowarranty,express

© Concrete Canvas Ltd. 2019

®

Concrete Canvas ® GCCM Applications

CC can be rapidly unrolled to form a ditch or channel lining. It is significantly faster, easier and less expensive to install than conventional concrete channel lining and requires no specialist equipment. The matting can be laid at a rate of 200m² per hour by a 3 person team. Channel Lining

CC can be used to protect slopes from surface erosion. Compared to shotcrete it is typically faster to install, more cost effective, requires less specialist plant equipment, and eliminates the risks associated with rebound and debris. Slope Protection

Bund Lining

Weed Suppression CC is used to provide effective, durable and long-term weed suppression, reducing de- vegetation requirements and associated maintenance costs. CC can be used where de- vegetation is required to maintain operational and health and safety requirements, or where limited access and sensitive infrastructure prevents the use of traditional methods. Its ability to be installed quickly reduces time on site, whilst the availability of man-portable rolls allows for installation in areas with reduced access. CC provides a cost-effective alternative for lining secondary containment bunds. It acts as an effective weed suppressant, reducing maintenance costs as well as providing additional levels of impermeability.

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The informationcontainedherein isoffered freeofchargeand is, to thebestofourknowledge,accurate.However,since thecircumstancesandconditions inwhichsuch informationand theproductsdiscussed thereincanbeusedmayvaryandarebeyondourcontrol,wemakenowarranty,express

© Concrete Canvas Ltd. 2019

®

Culvert Lining Remediation CC can be used to rapidly re-line and refurbish existing infrastructure suffering from environmental deg- radation and cracking. CC lined structures can be returned to operation in 24hrs from installation. Unlike structures re-lined with traditional concrete, the internal volume of CC lined structures is maintained ensuring that the channel design flow capacity is preserved. CC can be used to extend the durability of new build culverts and to upgrade existing structures, preventing the need for asset replacement. The speed, ease and flexibility of CC offers significant technical and financial advantages, whilst offering a durable means of providing erosion protection. CC is used to replace, poured or sprayed concrete and bitumen coatings.

Typical Values CC5 TM CC8 TM CC13 TM

CC Properties (Pre-set)

Test Method

Unit

BS EN 1849-2

mm

5

8

13

Thickness Roll Width

m

1.0

1.1

1.1

m 2 m 2

10

5

N/A

Area of CC per Batch Roll Area of CC per Bulk Roll

200

125

80 19

BS EN 1849-2

kg/m 2

7

12

Mass per Unit Area

% Increase

30-35 1 to 2

Density Increase on Curing

Working Time from Hydration (refer to the CC Hydration Guide)

Hours

Typical Values CC5 TM CC8 TM CC13 TM

CC Properties (Post-set) (Hydrated by full immersion in accordance with ASTM D8030.Water:GCCM ratio of 0.33)

Test Method

Unit

- 24 Hour/28 Day

BS EN 12390-3 ASTM D8058 ASTM D8058 BS EN 12467 BS EN 12467 BS EN 14414 ASTM C1353

MPa MPa MPa

50/80

Compressive Strength of Cementitious Mix +

Flexural Strength at 24 Hours from Hydration - Initial Break (MD) Flexural Strength at 24 Hours from Hydration - Final Break (MD) Freeze - Thaw Resistance (retained Initial Flexural Strength after 250 cycles)

>4.0

>10

>6 95

>6

%

Weathering Resistance (refer to CC Age Certification) Chemical Resistance (refer to CC Chemical Resistance) Abrasion Resistance (cementitious barrier depth of wear)

- -

Passed Passed

mm/1000 Cycles

0.2

Please refer to Concrete Canvas ® Data Sheet for additional information on testing and data. ▲ HighslumpST4 (C20)concretemix. + Cube testingatwater:powder ratioof0.3 tocorrespond toGCCMhydrationby immersion toASTMD8030 Recommended Permissible Velocity (intermediate fixings may be required - contact CC Ltd)

m/s

<8.6

>8.6

Application Dependent

Information is provided based on current test data and may be subject to change as new information becomes available.The versatile nature of Concrete Canvas ® means that all application conditions cannot be anticipated.ConcreteCanvasLtdmakesnowarrantiesandassumesno liability inconnectionwith this information.Projectspecific testingmaybe required todetermine thesuitability forConcreteCanvas ® material use inaparticularapplication.

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The informationcontainedherein isoffered freeofchargeand is, to thebestofourknowledge,accurate.However,since thecircumstancesandconditions inwhichsuch informationand theproductsdiscussed thereincanbeusedmayvaryandarebeyondourcontrol,wemakenowarranty,express

© Concrete Canvas Ltd. 2019

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