Geostatistical analysis for spatially referenced roller-integrated compaction measurements / Pavana K. R. Vennapusa in Journal of geotechnical and geoenvironmental engineering, Vol. 136 N° 6 (Juin 2010)  

Public ISBD [article]  inJournal of geotechnical and geoenvironmental engineering > Vol. 136 N° 6 (Juin 2010) . - pp. 813-822 Titre : Geostatistical analysis for spatially referenced roller-integrated compaction measurements Type de document : texte imprimé Auteurs : Pavana K. R. Vennapusa, Auteur ; David J. White, Auteur ; Max D. Morris, Auteur Année de publication : 2010 Article en page(s) : pp. 813-822 Note générale : Géotechnique Langues : Anglais (eng) Mots-clés : Geostatistics Semivariogram Soil compaction Quality control Earthwork Intelligent Index. décimale : 624.1 Infrastructures.Ouvrages en terre. Fondations. Tunnels Résumé : An approach to quantify nonuniformity of compacted earth materials using spatially referenced roller-integrated compaction measurements and geostatistical analysis is discussed. Measurements from two detailed case studies are presented in which univariate statistical parameters are discussed and compared to geostatistical semivariogram modeling parameters and analysis. The univariate and geostatistical parameter values calculated from the roller-integrated measurements are also compared to traditional spot test acceptance criteria. Univariate statistical parameter values based on roller-integrated measurement values provide significantly more information than traditional point measurements, while geostatistics can be used to identify regions of noncompliance and prioritize areas for rework. DEWEY : 624.1 ISSN : 1090-0241 En ligne : http://ascelibrary.org/gto/resource/1/jggefk/v136/i6/p813_s1?isAuthorized=no [article] Geostatistical analysis for spatially referenced roller-integrated compaction measurements [texte imprimé] / Pavana K. R. Vennapusa, Auteur ; David J. White, Auteur ; Max D. Morris, Auteur . - 2010 . - pp. 813-822. Géotechnique Langues : Anglais (eng) in Journal of geotechnical and geoenvironmental engineering > Vol. 136 N° 6 (Juin 2010) . - pp. 813-822 Mots-clés : Geostatistics Semivariogram Soil compaction Quality control Earthwork Intelligent Index. décimale : 624.1 Infrastructures.Ouvrages en terre. Fondations. Tunnels Résumé : An approach to quantify nonuniformity of compacted earth materials using spatially referenced roller-integrated compaction measurements and geostatistical analysis is discussed. Measurements from two detailed case studies are presented in which univariate statistical parameters are discussed and compared to geostatistical semivariogram modeling parameters and analysis. The univariate and geostatistical parameter values calculated from the roller-integrated measurements are also compared to traditional spot test acceptance criteria. Univariate statistical parameter values based on roller-integrated measurement values provide significantly more information than traditional point measurements, while geostatistics can be used to identify regions of noncompliance and prioritize areas for rework. DEWEY : 624.1 ISSN : 1090-0241 En ligne : http://ascelibrary.org/gto/resource/1/jggefk/v136/i6/p813_s1?isAuthorized=no

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