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Bonar Geosynthetics for Road Reinforcement

A pioneer in the development of geosynthetic products for civil engineering applications, Bonar has been supplying solutions for projects calling for reliable erosion prevention, drainage, soil reinforcement, stabilisation and consolidation since the early 1960s.

To help engineers around the world respond to demanding construction and maintenance challenges in the transport infrastructure industry, Bonar offers Enkagrid®: their high-performance laser-welded and multifunctional geogrids, Colbonddrain®: prefabricated vertical drains and Enkadrain®: drainage mats specially developed for the application in cut and cover or bored tunnels.

Enkagrid PRO geogrids for reinforced slopes, retaining and segmental block walls

Enkagrid PRO is a biaxial geogrid offering unparalleled strength, performance and reliability for reinforced earth constructions such as slopes, walls and embankments. The double-weft structure of highly oriented laser-welded polyester bars provides powerful and dependable soil reinforcement, ideal interaction with all soil types and durability. Enkagrid PRO is BBA certified for use in highway construction of road and bridge abutments with slopes of up to 70º, and in the application of the Anchor Landmark wall system for reinforced retaining walls and bridge abutments.

Enkagrid MAX geogrids for sub-base stabilisation of paved and unpaved roads

The uniaxial geogrid Enkagrid MAX has been developed for the instant soil stabilisation of haul roads, temporary unpaved roads and permanent paved roads. It allows the reduction of the sub-base thickness, prevents the pumping effect, delays cracking and significantly extends the service life of road structures.

Multifunctional geogrid composite enkagrid TRC for the stabilisation of subgrade soils

Enkagrid TRC is a geogrid composite made of Twaron® aramid fibres embedded in a Colback® polyester non-woven filter layer. This allows for the reinforcement of structures and the separation or filtration of different soil types in one product. The geogrid strengthens weak or poor sub-grade soils and is also suitable for reinforcing the aggregate base course in paved or unpaved roadways, parking areas, small embankments, building foundations and platforms.

PVD colbonddrain for accelerated soil consolidation

Colbonddrain is a Prefabricated Vertical Drain (PVD) consisting of a three-dimensional filament core thermally bonded on both sides to a non-woven filter layer for the consolidation of soft clay or silt soils, typical in reclamation projects. Since its launch more than 25 years ago, over 200 million metres of Colbonddrain have been installed worldwide including significant projects in the construction of transport infrastructure.

Drained tunnel sealing with Enkadrain

To meet the specific construction quality demands exerted on building materials for tunnel projects, Bonar has developed special drainage mats approved in several NEAT sealing systems. As such, major parts of the 57km long Gotthard base tunnel (the world’s longest rail tunnel, currently under construction in Switzerland) used Enkadrain as protection, drainage and injection layers.

These geocomposites consist of a polypropylene monofilament core connected to a non-woven filter. They offer outstanding pressure resistance, drainage performance and durability in line with the required service life for base tunnels.

About Bonar

Bonar is a leading producer and supplier of high-quality synthetic nonwovens, wovens, three-dimensional polymeric mats, construction fibres and composites for Civil Engineering, Interior, Transportation, Construction, Agro and Industrial applications.

The company’s production facilities are based in Emmen and Arnhem (the Netherlands), Lokeren and Zele (Belgium), Obernburg (Germany), Tiszaújváros (Hungary), Asheville (USA) and through joint ventures in Jiangsu (China) and in Yanbu (Saudi Arabia). Regional sales offices are located all over the world. For product and application development, the company maintains Development and Application Centers in Arnhem, Zele and Asheville.

For many decades Bonar has acquired a solid and extensive expertise and experience in the industry, and a worldwide reputation as a reliable business-to-business partner. Bonar is part of Low and Bonar, listed on the London Stock Exchange. Low & Bonar employs more than 2,000 people worldwide, with 1,200 people working in Bonar and its joint ventures.

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Press Release

Construction of the New Factory in Changzhou

Low & Bonar's division Bonar, specialising in high-performance technical textiles, today celebrates its foundation ceremony to start the construction of the new factory tol be built in Changzhou, China.

White Papers

Enkamat – Erosion Control

Wind and water – the two elements that are most often the cause of erosion of our natural or engineered environment. When naturally growing vegetation alone cannot prevent erosion, Enkamat is the solution.

Address
Bonar B.V.

Westervoortsedijk 73

P.O. Box 9600

Arnhem

6827 AV

Netherlands

+31 85 744 1300 +31 85 744 1310 www.bonar.com

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Press Release

26 September 2014

Low & Bonar's division Bonar, specialising in high-performance technical textiles, today celebrates its foundation ceremony to start the construction of the new factory tol be built in Changzhou, China.

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4 April 2012

Colbond and Bonar Technical Fabrics announced today that the two companies will merge under organisational changes being introduced by their parent company Low & Bonar Plc, a multinational group of high performance technical textile producers.

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15 March 2012

Colbond’s parent company Low & Bonar Plc, has announced the acquisition of Xero Flor International GmbH, a long-established supplier of green roof solutions, based in Germany. The company will continue its operation under the name Xeroflor Green Solutions.

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17 June 2009

Many Civil Engineers wish to use natural vegetation as a means of erosion protection. To enable engineers to do so while also offering reliable protection in the vulnerable period when vegetation is still developing, Colbond has introduced a new product: Enkamat J. Enkamat J combines for the firs

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14 April 2008

Arnhem, the Netherlands – After intense in-house research and development work Colbond have launched their latest product innovation for civil engineering applications: a Prefabricated Vertical Drain (PVD) marked by a unique hydraulically designed drainage core bonded to nonwoven fil

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Regional Offices

Bonar B.V.

Westervoortsedijk 73

P.O. Box 9600

Arnhem

6827 AV

Netherlands

+31 85 744 1300 +31 85 744 1310 www.bonar.com
Bonar Sarl

Tour Pleyel

153, Bld Anatole France

Saint-Denis

93521

France

+33 1 49 46 2430 +33 1 49 46 2435 www.bonar.com
Bonar GmbH & Co. KG

Glanzstoffstr. 1

63784 Obernburg

Germany

+49 6022 812 020 +49 6022 812 800 www.bonar.com
Bonar Inc.

Sand Hill Road

P.O. Box 1057

NC 28728

Enka

North Carolina

United States of America

+1 828 665 5050 +1 828 665 5009 www.bonar.com

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