13.06the slope to direct surface run off. project was completed in 2 days. i # 7 may reinforced soil...

Concrete Impregnated Fabric...

MOST INNOVATIVE PRODUCT

National WinnerChambers of Commerce

Award 2011Top Innovation

BRE Insite 2011

CHAMBERAWARDS

20 11NATIONAL WINNER

2011 Nominee,2007 Finalist

Design to Improve Life Award

2009 WinnerMaterial Connexion Medium Award

Material of the YearMTP Gold Medal Award

BUDMA 2011

POZ

NA

N

INTERNATIO

NA

L

FAIR

AT WORLD OF CONCRETE

2011 Expert’s Choice WinnerMost Innovative Product

Modern BuiltEnvironment

KnowledgeTransferNetwork

2012 R&D 100 Award winnerR&D Magazine

www.concretecanvas.co.uk

MADE IN UK

13.06.UK

TM


TM

Concrete Impregnated Fabric...© Concrete Canvas Ltd. 2012

The information contained herein is offered free of charge and is, to the best of our knowledge, accurate. However, since the circumstances and conditions in which such information and the products discussed therein can be used may vary and are beyond our control, we make no warranty, express or implied, of merchantability, fitness or otherwise, or against patent infringement, and we accept no liability, with respect to or arising from use of such information or any such product.

[email protected]+ 44 (0) 845 680 1908 www

In December 2010, ADIF, the Spanish authority responsible for railway infrastructure management, specified Concrete Canvas (CC) to be used as slope protection for a railway station in Madrid. CC was chosen to address years of erosion and instability issues affecting the entrance of Alcobendas tunnel station. Erosion of the steep railway slope embankments had caused silting at the drainage pumps in the tunnel entrance. Shotcrete had been used twice previously but presented several problems with installation and durability.

2500sqm of CC8 was specified and delivered on site in bulk rolls, which were dispensed from spreader beam equipment and plant. The CC was fixed at the top of the 12m slope using galvanised steel pegs whilst adjacent CC layers were screwed together. A shallow surface runoff ditch was formed at the toe of the slope. Train traffic was not affected during the works: the station was able to remain open during the installation as there was no risk of discharge from material onto the tracks, often a problem with sprayed concrete techniques.

Installing at a rate of over 450sqm/day, the project was completed in under a week and was 70% quicker to install than if shotcrete or gunite had been used.

Project Info

CC8 bulk rolls

21 / 12 / 2010

2500sqm

Tranverse layers

Alcobendas Station, Madrid, Spain

ADIF

- Slope stabilisation of railway embankments on a high speed rail line.

- Installation of CC allowed train traffic to continue without disruption of service.

- 2500sqm CC8 used

- Installed at a rate of 450m/day

i

#

7MAY

Dispensing CC8 bulk rolls from spreader beam equipment

TM


TM




Damaged gunite section from previous remediation work

Hydrating CC

Completed CC lined embankment

Alcobendas tunnel station. Train traffic able to continue during works

Dispensing CC from a bulk roll and fixing to top of slope using steel pegs

TM


TM




Project Info

CC5 Bulk Rolls

23 / 07 / 2012

416sqm

Vertical layers

Bogota D.C., Colombia

MERT S.A.S.

CC5 was used to stabilise and protect a slope suffering from severe surface erosion and slip. The erosion threatened to destabilise a road at the crest of the slope and damage housing at the foot of the slope from falling debris.

i

#

7MAY

The project site prior to CC installation, showing severe erosion.

CC was dispensed from a spreader beam, allowing it to be laid at a rate of over 150m/day

Joints were overlapped by 100mm and fixed with screws at approximately 200mm intervals.

CC was secured at the crest with a concrete filled anchor trench.

Soil anchors and drainage pipes were installed prior to laying CC, which was easily tailored around these features.

200x200mm steel plates were used to secure the CC to the slope face using the soil anchors.

CLICK TOWATCH VIDEO

Completed CC lined slope

http://www.youtube.com/watch?v=MfeGL-ZaxBc&feature=player_detailpage

TM


TM




Project Info

CC5 bulk rolls

12 / 10 / 2012

255sqm

Vertical layers

Bogotá D.C. , Cundinamarca, Colombia

MERT S.A.S

Slope stabilization project. CC was used to prevent surface erosion and degradation which was causing material to fall into a nearby road.

i

#

7MAY

Completed CC lined slope.

In October 2012, Concrete Canvas (CC) was specified as a hard armour surface coating to prevent further weathering erosion of a roadside embankment in Cundinamarca, Colombia. The slope had degraded to the point that traffic on the nearby road was at risk from falling rock and debris. Shotcrete or mortar slab had originally been considered for the project, but CC was chosen due to its speed and ease of installation, homogeneity and consistency compared to shotcrete. It also allowed greater flexibility in terms of site access, as the installation team were unable to use heavy plant at the crest of the slope.

255sqm of CC5 was delivered on site in bulk rolls which were then cut into 12 linear metre lengths to match the average height of the slope. The rolled lengths were mounted onto a spreader beam which was towed to the crest of the slope with ropes. The CC was then fixed securely to the crest with 250x12mm steel ground pegs into the soil substrate before unrolling down the embankment.

Sikaflex 1A and CT1 adhesive were used to fix the CC to several PVC drainage tubes protruding from the slope, whilst 30mm screws were used to join adjacent overlapping layers of CC. Hilti expansion anchors were used to fix the CC to the slope in overhanging sections to avoid voids between the material and the uneven profile. Hydration was via a pump and bowser as there wasn’t an available nearby water supply.

The installation team were impressed by the speed and ease of installation of CC on a site with heavily restricted access. The client was pleased with the aesthetic quality of the finished project and how the drape characteristics of CC5 resulted in an organic, rock-like appearance. A 5-man installation team were able to complete the entire 255sqm installation, including site preparation, in 8 days without specialist training or plant equipment.

TM


TM




Project site before CC installation

Pre-cut 12 linear metre lengths of CC on rope mounted spreader beam

CC overlaps double screwed at 120mm intervals

Site preparation including removal of vegetation and loose substrate

CC secured at top of slope with anchor trench and ground pegs

Expansion anchors used to close voids between CC and uneven profile

TM


TM




Project Info

CC8 Bulk Rolls

30 / 04 / 2012

750sqm

25 transverse layers with drainage channels formed at top and toe

Southeast US

CH2M Hill

Attempts to vegetate a geo-textile wraparound reinforced embankment had failed, so it was decided to cover and protect the soil slope using (CC8) to protect the nearby property line. A drainage channel was formed at the toe of the slope to direct surface run off. Project was completed in 2 days.

i

#

7MAY

Reinforced soil slope using wrap around geo-textile facings

CC closely conforms to the steep slope face and can be laid at over 150m/day

CC8 bulk rolls dispensed from spreader beam equipment

CC edges were anchor trenched at the crest, sides and toe of the slope

Drainage channel formed at toe of slope.The CC was hydrated in stages

Spray painting edge markings to position CC

TM


TM




Project Info

CC5 bulk rolls

01 / 06 / 2011

600sqm

Transverse layers

Parla, Madrid,Spain.

TRAGSA, on behalf of ADIF.

Remediation work on suburban rail embankment undermined by rabbit burrows and weathering erosion. The 600sqm section was lined in a single day and without need for disrupting train traffic.

i

#

7MAY

Train traffic able to continue during installation

Completed CC lined embankment

TM


TM




Project Info

CC5 batched rolls

16 / 02 / 2012

500sqm

Transverse layers

Parla, Madrid,Spain.

UTE Reynober Velasco

The removal of weeds and vegetation from an olive grove plantation had resulted in slope degradation of an embankment on the A-3 highway in Parla, Madrid. CC5 was specified to protect the embankment from surface erosion from heavy rain run off.

i

#

7MAY

Completed CC lined slope. Project completed in 10 hours, minimising traffic disruption.

Forming the transverse drainage channel.Graded slope with vegetation removed and drainage channels excavated.

Hydrating the CC from a truck mounted cherry picker.CC dispensed from spreader beam, requiring less plant on site than shotcrete.

13.06the slope to direct surface run off. project was completed in 2 days. i # 7 may reinforced soil...

Documents