Dredged marine sand as construction material / Jussara Limeir in European journal of environmental and civil engineering, Vol. 16 N° 8 (N° Spécial) (Septembre 2012)  

Public ISBD [article]  inEuropean journal of environmental and civil engineering > Vol. 16 N° 8 (N° Spécial) (Septembre 2012) . - pp. 906-918 Titre : Dredged marine sand as construction material Type de document : texte imprimé Auteurs : Jussara Limeir, Auteur ; Luis Agulló, Auteur ; Miren Etxeberria, Auteur Année de publication : 2012 Article en page(s) : pp. 906-918 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Dredged marine sand Mortar Concrete Mechanical properties Résumé : This work deals with the study of dredged marine sand (DMS) from the Port of Sant Carles de la Ràpita (Tarragona, Spain) as construction material. The analysis of its influence on paste, mortar and concrete production is described. Two experimental phases were carried out after the chemical and physical characteristics of DMS were determined. Firstly, pastes and mortars were made using CEM II/A-M 42.5R cement, different percentages of DMS in replacement of raw sand and plasticiser additive in order to obtain the fresh and hardened properties of the mixes studied. After that, DMS was used for the production of concretes as fine aggregates. A pilot study was carried out with harbour concrete pavements produced at industrial scale. The results were compared to those of the control mixes and proved the satisfactory behaviour of DMS as construction material when incorporated into concrete as granular corrector. ISSN : 1964-8189 En ligne : http://www.tandfonline.com/doi/full/10.1080/19648189.2012.676376 [article] Dredged marine sand as construction material [texte imprimé] / Jussara Limeir, Auteur ; Luis Agulló, Auteur ; Miren Etxeberria, Auteur . - 2012 . - pp. 906-918. Génie Civil Langues : Anglais (eng) in European journal of environmental and civil engineering > Vol. 16 N° 8 (N° Spécial) (Septembre 2012) . - pp. 906-918 Mots-clés : Dredged marine sand Mortar Concrete Mechanical properties Résumé : This work deals with the study of dredged marine sand (DMS) from the Port of Sant Carles de la Ràpita (Tarragona, Spain) as construction material. The analysis of its influence on paste, mortar and concrete production is described. Two experimental phases were carried out after the chemical and physical characteristics of DMS were determined. Firstly, pastes and mortars were made using CEM II/A-M 42.5R cement, different percentages of DMS in replacement of raw sand and plasticiser additive in order to obtain the fresh and hardened properties of the mixes studied. After that, DMS was used for the production of concretes as fine aggregates. A pilot study was carried out with harbour concrete pavements produced at industrial scale. The results were compared to those of the control mixes and proved the satisfactory behaviour of DMS as construction material when incorporated into concrete as granular corrector. ISSN : 1964-8189 En ligne : http://www.tandfonline.com/doi/full/10.1080/19648189.2012.676376

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