Conservation techniques on the reinforced concrete pillars of the church of the San Carlo Borromeo hospital in Milan / Luca Bertolini in European journal of environmental and civil engineering, Vol. 14 N° 4 (Avril 2010)  

Public ISBD [article]  inEuropean journal of environmental and civil engineering > Vol. 14 N° 4 (Avril 2010) . - pp. 411-425 Titre : Conservation techniques on the reinforced concrete pillars of the church of the San Carlo Borromeo hospital in Milan Type de document : texte imprimé Auteurs : Luca Bertolini, Auteur ; Elena Redaelli, Auteur ; Daniela Lattanzi, Auteur Année de publication : 2011 Article en page(s) : pp. 411-425 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Conservation Corrosion Electrochemical realkalisation Hydrophobic treatment Monitoring Reinforced concrete Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : The reinforced concrete pillars of the Church of Santa Maria Annunciata at the San Carlo Borromeo hospital in Milan, designed by the architect Gio Ponti in the early Sixties, show signs of damage due to reinforcement corrosion. They require repair in order to remedy already present damage and also to prevent future propagation. The repair should also aim at preserving the integrity of the original materials, owing to the architectural and cultural value of the Church. The paper describes a trial work aimed at defining an appropriate procedure of restoration. Initially the pillars were inspected to assess their condition by means of non-destructive techniques and analyses on concrete samples. Then the effectiveness of two repair techniques, i.e. electrochemical realkalisation and hydrophobic treatment, was evaluated by comparison with non-treated areas. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/resnum.jsp [article] Conservation techniques on the reinforced concrete pillars of the church of the San Carlo Borromeo hospital in Milan [texte imprimé] / Luca Bertolini, Auteur ; Elena Redaelli, Auteur ; Daniela Lattanzi, Auteur . - 2011 . - pp. 411-425. Génie Civil Langues : Anglais (eng) in European journal of environmental and civil engineering > Vol. 14 N° 4 (Avril 2010) . - pp. 411-425 Mots-clés : Conservation Corrosion Electrochemical realkalisation Hydrophobic treatment Monitoring Reinforced concrete Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : The reinforced concrete pillars of the Church of Santa Maria Annunciata at the San Carlo Borromeo hospital in Milan, designed by the architect Gio Ponti in the early Sixties, show signs of damage due to reinforcement corrosion. They require repair in order to remedy already present damage and also to prevent future propagation. The repair should also aim at preserving the integrity of the original materials, owing to the architectural and cultural value of the Church. The paper describes a trial work aimed at defining an appropriate procedure of restoration. Initially the pillars were inspected to assess their condition by means of non-destructive techniques and analyses on concrete samples. Then the effectiveness of two repair techniques, i.e. electrochemical realkalisation and hydrophobic treatment, was evaluated by comparison with non-treated areas. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/resnum.jsp

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Effects of weathering on colour of concrete paving blocks / Luca Bertolini in European journal of environmental and civil engineering, Vol. 15 N° 6 (Juin 2011)  

Public ISBD [article]  inEuropean journal of environmental and civil engineering > Vol. 15 N° 6 (Juin 2011) . - pp. 939-957 Titre : Effects of weathering on colour of concrete paving blocks Type de document : texte imprimé Auteurs : Luca Bertolini, Auteur ; Federica Lollini, Auteur Année de publication : 2011 Article en page(s) : pp. 939-957 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Concrete paving blocks Fading colour Image analysis Spectrophotometry Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : Concrete paving blocks are utilised in a variety of commercial, municipal and industrial applications. They are usually realized with a double concrete mix and the surface layer is coloured through the addition of pigments. However fading of the blocks caused by weathering due to climate and other factors is commonly observed and it will result in the loss of the esthetical requirements. In this paper the colour and micro-structural differences between new and weathered concrete paving blocks with different coloration were examined. The colour was measured by means of image analysis and spectrophotometry and comparable results between the two techniques were obtained. Colour differences between new and weathered concrete blocks were measured. Macro and micro structural analysis showed that site exposure altered the surface layer of hardened cement paste of the concrete block, which caused colour changes. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/article.jsp?articleId=16376 [article] Effects of weathering on colour of concrete paving blocks [texte imprimé] / Luca Bertolini, Auteur ; Federica Lollini, Auteur . - 2011 . - pp. 939-957. Génie Civil Langues : Anglais (eng) in European journal of environmental and civil engineering > Vol. 15 N° 6 (Juin 2011) . - pp. 939-957 Mots-clés : Concrete paving blocks Fading colour Image analysis Spectrophotometry Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : Concrete paving blocks are utilised in a variety of commercial, municipal and industrial applications. They are usually realized with a double concrete mix and the surface layer is coloured through the addition of pigments. However fading of the blocks caused by weathering due to climate and other factors is commonly observed and it will result in the loss of the esthetical requirements. In this paper the colour and micro-structural differences between new and weathered concrete paving blocks with different coloration were examined. The colour was measured by means of image analysis and spectrophotometry and comparable results between the two techniques were obtained. Colour differences between new and weathered concrete blocks were measured. Macro and micro structural analysis showed that site exposure altered the surface layer of hardened cement paste of the concrete block, which caused colour changes. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/article.jsp?articleId=16376

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A tribute to Pietro Pedeferri's contribution to the knowledge on corrosion of steel in concrete and its prevention / Luca Bertolini in Materials and corrosion, Vol. 62 N° 2 (Fevrier 2011)  

Public ISBD [article]  inMaterials and corrosion > Vol. 62 N° 2 (Fevrier 2011) . - pp. 96–97 Titre : A tribute to Pietro Pedeferri's contribution to the knowledge on corrosion of steel in concrete and its prevention Type de document : texte imprimé Auteurs : Luca Bertolini, Auteur Année de publication : 2011 Article en page(s) : pp. 96–97 Note générale : Génie Mécanique Langues : Anglais (eng) Index. décimale : 620.1 Essais des matériaux. Défauts des matériaux. Protection des matériaux DEWEY : 620.1 ISSN : 0947-5117 En ligne : http://atcatalogue_2.enp.edu.dz/catalog.php?categ=serials&sub=analysis&action=an [...] [article] A tribute to Pietro Pedeferri's contribution to the knowledge on corrosion of steel in concrete and its prevention [texte imprimé] / Luca Bertolini, Auteur . - 2011 . - pp. 96–97. Génie Mécanique Langues : Anglais (eng) in Materials and corrosion > Vol. 62 N° 2 (Fevrier 2011) . - pp. 96–97 Index. décimale : 620.1 Essais des matériaux. Défauts des matériaux. Protection des matériaux DEWEY : 620.1 ISSN : 0947-5117 En ligne : http://atcatalogue_2.enp.edu.dz/catalog.php?categ=serials&sub=analysis&action=an [...]

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