In situ temperature monitoring in an organic-waste landfill cell / Abdelmalek Bouazza in Journal of geotechnical and geoenvironmental engineering, Vol. 137 N° 12 (Décembre 2011)  

Public ISBD [article]  inJournal of geotechnical and geoenvironmental engineering > Vol. 137 N° 12 (Décembre 2011) . - pp. 1286-1289 Titre : In situ temperature monitoring in an organic-waste landfill cell Type de document : texte imprimé Auteurs : Abdelmalek Bouazza, Auteur ; Hani Nahlawi, Auteur ; Martin Aylward, Auteur Année de publication : 2012 Article en page(s) : pp. 1286-1289 Note générale : Géotechnique Langues : Anglais (eng) Mots-clés : Landfill Organic waste Monitoring Temperature Résumé : This paper presents the results of a temperature-monitoring program in an organic-waste landfill cell under normal operating conditions. The aim of the program was to capture the temporal evolution of temperature at various locations within the cell. Temperatures were measured at two levels within the central body of the cell over a period of 20 months. The results obtained over that period of time indicate that the temperatures increased within the first few weeks, then decreased to a stable value after a few months. The peak temperatures near the base of the landfill cell (2 m above base liner) averaged 60°C at the start of the monitoring program and leveled off to 53°C after 8 months. The peak temperatures in the second lift (4 m above base liner) averaged 57°C and leveled off to 55°C after 13 months. The temperatures taken close to the base of the cell indicate that the lining system is subjected to high temperatures, outside the range of temperature typically considered during testing and design. This observation highlights the importance of considering the possible impact of the changes in temperature on the performance of the different liner system components from both the hydraulic view point and durability. DEWEY : 624.1 ISSN : 1090-0241 En ligne : http://ascelibrary.org/gto/resource/1/jggefk/v137/i12/p1286_s1?isAuthorized=no [article] In situ temperature monitoring in an organic-waste landfill cell [texte imprimé] / Abdelmalek Bouazza, Auteur ; Hani Nahlawi, Auteur ; Martin Aylward, Auteur . - 2012 . - pp. 1286-1289. Géotechnique Langues : Anglais (eng) in Journal of geotechnical and geoenvironmental engineering > Vol. 137 N° 12 (Décembre 2011) . - pp. 1286-1289 Mots-clés : Landfill Organic waste Monitoring Temperature Résumé : This paper presents the results of a temperature-monitoring program in an organic-waste landfill cell under normal operating conditions. The aim of the program was to capture the temporal evolution of temperature at various locations within the cell. Temperatures were measured at two levels within the central body of the cell over a period of 20 months. The results obtained over that period of time indicate that the temperatures increased within the first few weeks, then decreased to a stable value after a few months. The peak temperatures near the base of the landfill cell (2 m above base liner) averaged 60°C at the start of the monitoring program and leveled off to 53°C after 8 months. The peak temperatures in the second lift (4 m above base liner) averaged 57°C and leveled off to 55°C after 13 months. The temperatures taken close to the base of the cell indicate that the lining system is subjected to high temperatures, outside the range of temperature typically considered during testing and design. This observation highlights the importance of considering the possible impact of the changes in temperature on the performance of the different liner system components from both the hydraulic view point and durability. DEWEY : 624.1 ISSN : 1090-0241 En ligne : http://ascelibrary.org/gto/resource/1/jggefk/v137/i12/p1286_s1?isAuthorized=no

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