Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Advances in Geosynthetic Clay Liners: Polymer Enhanced Clays
Bentonite clay is widely used in Geosynthetic Clay Liners (GCLs), because of its elevated sealing capacity in presence of water. However, exposure to high concentrated inorganic solutions can change the clay fabric increasing its hydraulic conductivity. To improve the hydraulic performance of GCLs, a chemical-resistant clay (HYPER clay) was developed through treatment of a natural bentonite with an anionic polymer, Sodium Carboxymethyl Cellulose (Na-CMC). The swelling ability, water adsorption capacity and hydraulic conductivity of the HYPER clay were evaluated. Test results showed the beneficial effect of the anionic-polymer treatment on the swelling, water adsorption and hydraulic performance of the clay.
Advances in Geosynthetic Clay Liners: Polymer Enhanced Clays
Bentonite clay is widely used in Geosynthetic Clay Liners (GCLs), because of its elevated sealing capacity in presence of water. However, exposure to high concentrated inorganic solutions can change the clay fabric increasing its hydraulic conductivity. To improve the hydraulic performance of GCLs, a chemical-resistant clay (HYPER clay) was developed through treatment of a natural bentonite with an anionic polymer, Sodium Carboxymethyl Cellulose (Na-CMC). The swelling ability, water adsorption capacity and hydraulic conductivity of the HYPER clay were evaluated. Test results showed the beneficial effect of the anionic-polymer treatment on the swelling, water adsorption and hydraulic performance of the clay.
Advances in Geosynthetic Clay Liners: Polymer Enhanced Clays
Di Emidio, G. (Autor:in) / Van Impe, W. F. (Autor:in) / Flores, R. D. Verástegui (Autor:in)
Geo-Frontiers Congress 2011 ; 2011 ; Dallas, Texas, United States
Geo-Frontiers 2011 ; 1931-1940
11.03.2011
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Advances in Geosynthetic Clay Liners: Polymer Enhanced Clays
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