Tensile Creep Testing of Liner Material as per ASTM D2990
The objective of the proposed research is to perform tensile creep testing of 3 resin types with 2 reinforced liner materials (total combination of 6) used in pressure mains. Creep is permanent deformation in material resulting from a prolonged application of constant load below the elastic limit. The rate of deformation is a function of the material properties, magnitude and duration of the externally applied load as well as the ambient temperature and humidity. The proposed testing will be conducted as follows: Per ASTM D2990 (Standard Test Methods for Tensile, Compressive and Flexural Creep and Creep-Rupture of Plastics) using standard specimens made of resin impregnated liners. At the TTC environmental chambers, using testing equipment constructed as per ASTM D2990 specifications, for a period of 10,000 hours.
Principal Investigator: Alam, Shaurav -- Civil Engineering, Construction Engineering Technology, Trenchless Technology Center
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