tencate geodetect® _ mega tec consolidation sdn. bhd-shihab
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7/8/15 TenCate GeoDetect | Mega Tec Consolidation Sdn. Bhd.
megatecconsolidation.com/2013/03/20/tencate-geodetect/ 1/8
Mega Tec Consolidation Sdn. Bhd.
Lot 32, Blk A, 1st Floor, Karamunsing Warehouse, KK ,Sabah (Tel: +6088210140 / 236198)
TenCate GeoDetect
MARCH 20, 2013MARCH 20, 2013 MEGA TEC LEAVE A COMMENT
TenCate GeoDetect Monitoring and warning solution
TenCate GeoDetect is the first sensor enabled geotextile on the market to provide soil reinforcement,
structural health monitoring and an early warning system into one package. Our intelligent
geotextile is the first system designed specifically for geotechnical applications and offers a technical
solution for monitoring geo-structures for changes in strain, temperature or the combination of the
two. TenCate GeoDetect is the only solution available on the market able to measure low strain in asoil structure. The TenCate GeoDetect System incorporates a geocomposite fabric, fiber optics,
instrumentation equipment and software to provide a innovative solution for the multi-functional
requirements of a geotechnical application, e.g. protection of the optical fiber, anchoring interface with
the soil, in-plane drainage capability and reinforcement in addition to data acquisition.
Applications
The TenCate GeoDetect solution is ideal for:
Walls
Geosynthetics are more and more used to reinforce earth-walls, because they are cheaper and easier toinstall than other systems.
When it is crucial to follow deformation level of the earth structure (bridge abutment for example),monitoring gives an additional safety. It is also valuable to measure the displacements at the interface
between rigid and soft structures. Structural Health monitoring is important when the earthwork is
localized close to sensitive areas or when the site materials are of poor quality.
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Embankments on piles
Embankments over piles are used more and more. Geotextiles for reinforcement improve the load
repartition on the top of the piles. Structural health monitoring is important to assess the structurebehaviour and its long term performance
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Roads/Rails
Existing right-of-ways/easements and environmental concerns often force new rail and highwayconstruction over geotechnically-challenging areas, including karst topography, abandoned mines,
soft ground, and existing landslides.
Slopes
The increasing use of steeper and higher slopes in more adverse topography by property developers
that want to maximize surface area for new building construction is creating an embedded liability forowners and engineers.
Levees
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Levees have random and high hydraulic stresses. Early detection and warning during a flood event ofany sign of erosion or instability increases the people security and prevents the failure of these works.
Dams and dikes
Dams must be supported by competent foundations and are routinely stressed by permanent or cyclic
hydraulic forces. Early detection of soil erosion and instability is a challenge for the safety of hydraulic
works.
Embankments on cavities
Embankments over soft soils, or cavities, or built with poor soils have challenging and specific designs.
Early warning systems are essential to monitor the changes of these earthworks and to react when
early suspects signs are detected deeply into the soil.
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Canals, Basins and reservoirs
Water resource management et pollution control due to the storage of hazardous products require high
performance mineral and geomembrane lining systems. Leakage and damage detection and
localization systems are essential control, reception and management tools.
Landfills
The TenCate GeoDetect system has the potential to address several challenges specific to landfill
applications: movement detection of top soil layer; landfill expansion for higher containment capacitywith steeper slope reinforcement; assessment of the mechanical properties of waste materials, and
monitoring temperature variations in a leak detection use.
Pipelines
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The TenCate GeoDetect geotextile enabled sensor comes in three product configurations:
1. TenCate GeoDetect is a customizable solution that is created to meet the unique requirements ofeach individual project. Fiber Bragg gratings (FBG), Stimulated Brillouin Scattering and Raman
Scattering are all proven fiber optic technologies that can be built into TenCate GeoDetect. These
technologies measure strain, strain & temperature or temperature only changes in soil structures.
Strain as low as 0.02% can be measured with a spatial resolution of 1 m. With the proper software,changes in temperature can be monitored at 0.1C with a spatial resolution of 1 m.o
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2. TenCate GeoDetect S uses Fiber Bragg Gratings (FBG) technology to measure strain and/or
temperature in soil structures. Compact and easy to install, TenCate GeoDetect S is 1 meter wide by
10 meters long. Two FBG optical fibers are embedded onto each TenCate GeoDetect S strip with 11
FBG sensors strategically inserted onto the two special optical fibers approximately 1 meters apart. Strain measurements as low as 0.02% can be obtained with a spatial resolution of 0.5m. Changes in
temperature can also be monitored at 0.1C.
3. TenCate GeoDetect S-BR is a solution that uses Stimulated Brillouin and Raman Scattering
technology in single mode and multimode fibers to measure strain as low as 0.02% and/or changes in
temperature of 0.1C with spatial resolutions of 1 m at distances up to 20 km with suitable
instrumentation. The TenCate GeoDetect S-BR systemis designed for projects such as oil pipelines,
levees, roads and rails. The standard version is a strip 0.76 m wide and 600 m long. Customisedversions are possible.
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