Chapter

Geosynthetics in Civil and Environmental Engineering

pp 35-39

Weathering Degradation of Polyester and Polypropylene Geotextiles

  • P. C. LodiAffiliated withDepartment of Civil Engineering, São Paulo State University (UNESP)
  • , B. S. BuenoAffiliated withDepartment of Geotechnical Engineering, University of State of São Paulo (USP) at São Carlos
  • , O. M. VilarAffiliated withDepartment of Geotechnical Engineering, University of State of São Paulo (USP) at São Carlos
  • , N. S. CorreiaAffiliated withDepartment of Civil Engineering, São Paulo State University (UNESP)

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Abstract

This paper presents results of physical and mechanical tests in polyester (PET) and polypropilene (PP) nonwoven geotextiles that were exposed to weathering conditions (solar radiation, humidity, wind, rain) after some specific periods of exposure (1, 2, 3 and 4 months). ASTM D5970 and Brazilian standards (NBR) recommendation were followed in this research. Results show variations in tensile properties and in the mass per unit area. Variations in the deformations were more significant in the PP geotextile when compared to the PET geotextile.

Keywords

geotextiles degradation weathering exposure mechanical properties