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Advanced Terra Testing's (ATT) Geosynthetics testing services were introduced to complement the soils and rock testing services provided by ATT in response to a clear demand by many of the firm's clients.
 
ATT utilizes state of the art techniques and equipment in the testing process applying the most current American Society for Testing and Materials (ASTM), Federal Test Method Standards (FTMS), National Sanitation Foundation (NSF 54), and Geosynthetic Research Institute (GRI) testing methods.
The corporate policy relative to quality and calibration standards is utilized and is in general accordance with ISO 9000 Quality Standards and National Institute of Standards and Technology (NIST).
The following is a representative listing of the various Geosynthetics testing services by general test category:
General Index Testing
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- Apparent Opening Size
- Dimensional Stability
- Hydrostatic Burst
- Low Temperature Brittleness
- Mass
- Ply-Adhesion
- Puncture Resistance - rod, ball and pyramid
- Seam Peel/Shear
- Specific Gravity
- Strip-Tensile Properties
- Tear Resiance
- Thickness
- Volatile Loss
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Hydraulic Properties
- Confined Swell (GCLs)
- Permeability / Flux (Constant or Falling Head)
- Permittivity Under Load
- Plate Water Absorption (GCLs)
- Transmissivity
- Water Vapor Transmission
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Large Scale Performance Tests
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- Eccentric (Angled) Loading (12 in. x 12 in.)
- Geostatic / Geodynamic Point Stress (500,000 lb. frame - 12 in. diameter)
- Hydrostatic Point Stress (12 in. and 20 in. diameter)
- Large Scale Direct Shear (12 in. x 12 in.)
- Large Scale GCL Hydration frames (2,000+ psf max. load)
- Multiaxial Stress/Strain (20 in. diameter)
- Slope Creep/Static Load (Creep Frames)
- Walk-in Environmental Chamber
- Wide Width Tensile (8 in.)
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For further information about ATT's Geosynthetics capabilities, contact:
Sharon Roberts
Manager - Geosynthetics Division
sroberts@terratesting.com
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