2011
DOI: 10.1680/gein.2011.18.5.272
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Geomembrane damage due to static and cyclic shearing over compacted gravelly sand

Abstract: Several large-scale laboratory tests were conducted on multi-interface geomembrane liner specimens to assess damage effects from static pressure, cyclic loading, and large displacement static shear. The specimens consisted of compacted subgrade soil, a LLDPE or HDPE smooth geomembrane, and overlying potash salt. The subgrade soil was gravelly sand with 25 percent gravel content. Failure occurred at the geomembrane/soil interface for each shear test. Cyclic loading data indicated the LLDPE geomembrane had sligh… Show more

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Cited by 41 publications
(11 citation statements)
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“…Ling et al [22] measured the friction strength of the contact interface between a geomembrane and clay with a 100 mm × 100 mm direct shear apparatus and analyzed the relationship between the shear displacement and the maximum shear stress at the contact interface. Fox et al [23] studied the shear failure characteristic of the contact interface between a gravel foundation and a 1.5 mm thick HDPE and a low-density polyethylene (LDPE) geomembrane both with a smooth surface under different shear loads. Lin et al [24] analyzed the transfer mechanism of the shear force in a geomembrane liner using sandbag loads to simulate the landfills.…”
Section: Introductionmentioning
confidence: 99%
“…Ling et al [22] measured the friction strength of the contact interface between a geomembrane and clay with a 100 mm × 100 mm direct shear apparatus and analyzed the relationship between the shear displacement and the maximum shear stress at the contact interface. Fox et al [23] studied the shear failure characteristic of the contact interface between a gravel foundation and a 1.5 mm thick HDPE and a low-density polyethylene (LDPE) geomembrane both with a smooth surface under different shear loads. Lin et al [24] analyzed the transfer mechanism of the shear force in a geomembrane liner using sandbag loads to simulate the landfills.…”
Section: Introductionmentioning
confidence: 99%
“…In a work [4] the use of protection materials installed on the geomembrane trough the experimental study was described.…”
Section: Introductionmentioning
confidence: 99%
“…).De acordo comFox et al (2011) as geomembranas são componentes críticos de sistemas hidráulicos de barreira em um grande número de aplicações, que vão de aterros sanitários para canais a plataformas de lixiviação. A fim de proporcionar uma barreira eficaz, danos na forma de rasgos, buracos e costuras ruins devem ser minimizados, sendo muitas vezes a realização de grandes despesas para prevenir, localizar e repararNosko et al (1996) avaliaram a ocorrência de danos em sistemas de impermeabilização com geomembrana de aproximadamente 100 locais, totalizando uma área de 1.000.000 m 2 .…”
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“…estudo o comportamento das geomembranas isoladas e com elementos de proteção. Em particular, na pesquisa foram realizados ensaios de puncionamento estático, o qual faz parte dos ensaios índice e também executados ensaios de puncionamento hidrostático e carregamento estático, que por sua vez fazem parte dos ensaios de desempenho Fox et al, 2011)…”
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