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FRICTION
TRI staff are well versed in design issues and assist our customers
in developing and performing responsive performance testing programs.
TRI laboratories perform a variety of performance testing services
to support design verification and confirmation of material performance
properties. This testing includes:
TRI performs Interface Friction/Direct
Shear testing to investigate slope stability.
 geosynthetic-geosynthetic
interfaces
soil-geosynthetic
interfaces
internal GCL
shear and GCL interfaces
large-scale soil
shear strength
long-term creep
at the interface
constant load
or constant strain testing
Relevant Standards
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ISO 12957
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Direct Shear/Interface
Friction
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ASTM D 5321
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Direct Shear/Interface
Friction
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ASTM D 6243
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GCL Internal
Shear and GCL Interface Friction
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Interface
Friction/Direct Shear Test Request Form
(download
Adobe Acrobat here)
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