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Review
. 2023 Jan 30;16(3):1190.
doi: 10.3390/ma16031190.

New Materials and Technologies for Durability and Conservation of Building Heritage

Luigi Coppola  1 , Tiziano Bellezze  2 , Alberto Belli  3 , Alessandra Bianco  4 , Elisa Blasi  2 , Miriam Cappello  5 , Domenico Caputo  6 , Mehdi Chougan  4 , Denny Coffetti  1 , Bartolomeo Coppola  3 , Valeria Corinaldesi  2 , Alberto D'Amore  7 , Valeria Daniele  8 , Luciano Di Maio  9 , Luca Di Palma  10 , Jacopo Donnini  2 , Giuseppe Ferrara  3 , Sara Filippi  5 , Matteo Gastaldi  11 , Nicola Generosi  2 , Chiara Giosuè  2 , Loredana Incarnato  9 , Francesca Lamastra  4 , Barbara Liguori  6 , Ludovico Macera  8 , Qaisar Maqbool  2 , Maria Cristina Mascolo  12 , Letterio Mavilia  13 , Alida Mazzoli  2 , Franco Medici  10 , Alessandra Mobili  2 , Giampiero Montesperelli  4 , Giorgio Pia  14 , Elena Redaelli  11 , Maria Letizia Ruello  2 , Paola Scarfato  9 , Giuliana Taglieri  8 , Francesca Tittarelli  2 , Jean-Marc Tulliani  3 , Antonino Valenza  15
Affiliations
Review

New Materials and Technologies for Durability and Conservation of Building Heritage

Luigi Coppola et al. Materials (Basel). .

Abstract

The increase in concrete structures' durability is a milestone to improve the sustainability of buildings and infrastructures. In order to ensure a prolonged service life, it is necessary to detect the deterioration of materials by means of monitoring systems aimed at evaluating not only the penetration of aggressive substances into concrete but also the corrosion of carbon-steel reinforcement. Therefore, proper data collection makes it possible to plan suitable restoration works which can be carried out with traditional or innovative techniques and materials. This work focuses on building heritage and it highlights the most recent findings for the conservation and restoration of reinforced concrete structures and masonry buildings.

Keywords: concrete structures; durability; new materials; sustainability.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
De Sitter’s “Law of Fives” in Tuutti’s diagram. Re-elaborated from [11,13].
Figure 2
Figure 2
The Co.S.Mo.Net monitoring system.
Figure 3
Figure 3
Inorganic matrix composite systems: (a) FRCM made of glass fabric and cementitious mortar; (b,c) mechanical characterization tests of FRCM systems; (d) diagonal compression test on masonry reinforced with CRM; (e,f) three-point bending test on a UHPFRC specimen and detail of the steel fibers after cracking.
Figure 4
Figure 4
(a) Polymeric fibers bridging the two sides of a mortar sample after a flexural test; (b) shrinkage cracking phenomena occurring after an accelerated test; (c) FE-SEM micrograph of a smooth PP fiber; (d) FE-SEM micrograph of an engineered roughened fiber; (e) silica sand; and (f) artificial aggregates prepared using a secondary raw material.
Figure 5
Figure 5
SEM images of nCH/NP mixtures at different hydration times: (a) after 30 min; (b) after 28 days, considering a nCH/NP ratio of 1:1; (c) after 28 days, considering a nCH/NP ratio of 1:2. Scale bar: 2 μm.
See this image and copyright information in PMC

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