Comparative study of three different kinds of geomembranes (PVC-P, HDPE, EPDM) used in the waterproofing of reservoirs

Blanco, M. ; Castillo, F. ; Soriano, J. ; Noval, A.M. ; Touze-Foltz, N. ; Pargada, L. ; Rico, G. ; Aguiar, E.

Type de document
Communication scientifique avec actes
Langue
Anglais
Affiliation de l'auteur
CEDEX SPANISH CENTER FOR PUBLIC WORKS RESEARCH AND STUDIES MADRID ESP ; CEDEX SPANISH CENTER FOR PUBLIC WORKS RESEARCH AND STUDIES MADRID ESP ; CEDEX SPANISH CENTER FOR PUBLIC WORKS RESEARCH AND STUDIES MADRID ESP ; CEDEX SPANISH CENTER FOR PUBLIC WORKS RESEARCH AND STUDIES MADRID ESP ; IRSTEA ANTONY UR HBAN FRA ; UNIVERSIDAD COMPLUTENSE DE MADRID ESP ; UNIVERSIDAD COMPLUTENSE DE MADRID ESP ; BALTEN SANTA CRUZ DE TENERIFE ESP
Année
2012
Résumé / Abstract
This work describes the long-term behaviour of three kinds of geomembranes which are constituted by plasticized poly vinyl chloride (PVC-P), high density polyethylene (HDPE) and terpolymer rubber of ethylene-propylene-dienic monomer (EPDM), used as the waterproofing system of the reservoirs “Los Llanos de Mesa”, “San Isidro” and “El Golfo”, respectively. Characteristics of the three original geomembranes and their behaviour along time are presented. Thicknesses, content and nature of the plasticizers (in PVC-P), tensile properties, dynamic and static puncture, foldability at low temperature, shore hardness, tear resistance and carbon black (in HDPE), joint strength (shear and peeling test) and microscopy, both optical and electronic scanning tests were carried out. Results obtained conclude with a long-term durability of geomembranes, independently of their macromolecular nature. These characteristics were determined by advanced analytical techniques in PVC-P samples, such as Fourier Transform Infrared Spectroscopy (FTIR), Gas Chromatography (GC) and Mass Spectrometry (MS).
Congrès
Eurogeo 5, 16/09/2012 - 19/09/2012, Valencia, ESP

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