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Testing Defencell
 
DefenCell has been widely tested to ensure it meets the protection requirements demanded by so many different applications. Our policy of continuous improvement involves constant development and refinement of the products and regular testing has provided vital feedback to this process.

The performance of DefenCell and its constituent components have been extensively tested against various physical and environmental threats
 
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Ballistics & Blast
DefenCell is a containment system for a variety of fill materials, usually selected for their availability or to meet particular protection requirements. The type and quality of the fill material, the amount of compaction and the moisture level will all affect the ballistic performance. In most cases sand or fine aggregate has been used for controlled testing in order to give a consistency of comparable results.

The cellular structure of DefenCell dissipates energy from blasts across the length and depth of the barrier offering superior protection compared to simple mono-cell containment systems and the internal cells of the structure retain a significant proportion of the strength and protective capabilities if only the external cells are damaged.

Threat Location Result
Ballistics (to 14.5mm) Wiltshire Ballistics UK 1
Ballistics (to 0.50") Wiltshire Ballistics UK 1
Ballistics (to 25mm) H P White USA 1
Ballistics (to 0.50") ERDC USA No penetration
Blast - shaped charge Spadeadam No penetration
Blast - cased charge Spadeadam No penetration
Blast - EPW Spadeadam No penetration
Blast - Indirect Fire ERDC USA No penetration
Blast - Large Breaching ERDC USA No breach
 
   Full details of any of these tests are available on request and subject to appropriate security clearance.
 
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Vehicle Barriers
An ongoing series of Vehicle Crash tests has been carried out over the last four years in both the US and UK. These tests continue to show that various configurations of DefenCell barriers and Profile provide very effective stopping power and the ability to retain a vehicle thereby preventing a breach and possible secondary attack. The cellular structure very effectively dissipates the vehicle energy along the length of the barrier.

K12 Barrier Karco, CA, USA 1
PAS68 barrier - T4, Mk1 TRL, UK 1
PAS68 barrier - T4, Mk11 TRL, UK 1
PAS68 barrier - T3 TRL, UK 1
PAS68 barrier - MC TRL, UK 1
PAS68 barrier - Profile 1.25 TRL, UK 1
PAS68 barrier - Profile 1.50 TRL, UK 1
 
   Full details of any of these tests are available on request and subject to appropriate security clearance.
 
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Flood
DefenCell has been successfully tested at the US Army Corps of Engineers, Engineer Research and Development Center (ERDC) at Vicksburg, Mississippi, USA and as a result has been adopted as resilient and effective temporary or long term barrier for Flood Control and Disaster Management. The test programme covered a range of static and dynamic tests as well as reviewing installation and removal times and the results were entirely positive.

Recent successful 'real life' tests in Smithland, Kentucky and Selkirk, Ontario have verified the laboratory tests and illustrated the practical advantages of the DefenCell Flood Protection system.

ERDC, CHL Vicksburg, MS, USA 1


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Environmental & Operational
The Terram and Typar geotextile fabrics used to make DefenCell have been proven in practical installations around the globe for many years. Developments in the properties of the materials and their integration into the finished products have ensured increased strength and durability.

In addition to the laboratory tests detailed here, DefenCell is constantly undergoing controlled long term testing in both UK and USA as well as practical testing in some of the most inhospitable areas of the world, notably at Camp Bastion in Afghanistan where the Ammunition Supply Point, built entirely from DefenCell, is still in excellent condition nearly five years after installation.

High Temperatures Environ Laboratories Graphic: tick symbol
Low Temperatures Environ Laboratories Graphic: tick symbol
Direct Sunlight Environ Laboratories Graphic: tick symbol
UV Degradation Environ Laboratories Graphic: tick symbol
Blowing Sand Environ Laboratories Graphic: tick symbol
Contamination by Fluids Environ Laboratories Graphic: tick symbol
Mildew Fungus Environ Laboratories Graphic: tick symbol
Corrosion Resistance Environ Laboratories Graphic: tick symbol
Humidity Environ Laboratories Graphic: tick symbol
Fire Safety Performance Intertek Report Graphic: tick symbol
Permeability ERDC report Graphic: tick symbol
Deployment ERDC report 'Easy to construct'
Static/Dynamic Load TU Clausthal N/A
 
   Full details of any of these tests are available on request.
 
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