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Title

Hybrid binders: A journey from the past to a sustainable future (opus caementicium futurum)

AuthorsPalomo, Ángel; Monteiro, P.; Martauz, P.; Bílek, Vlastimil; Fernández-Jiménez, Ana
KeywordsRoman cement
Hybrid cement
Al-tobermorite
Zeolites
Issue Date2019
PublisherElsevier
CitationCement and Concrete Research 124: 105829 (2019)
AbstractThis article describes and interprets data drawn from a thorough characterisation of a series of cementitious materials. The materials addressed can be divided into three major groups: 1) cements/concretes from well-known and historically documented Roman constructions in Italy; 2) cements recently prepared in the laboratory simulating the compositions of Roman cements, stored for 6 months in environmental conditions similar to those to which the Roman materials have been exposed for 2000 years; 3) concretes prepared from an industrial cement manufactured 6 years ago applying today's knowledge of hybrid cements. An analysis of all the data presented in this article has led its authors to conclude that, conceptually speaking, ancient Roman cements can be identified with modern hybrid ‘portland-alkaline’ materials. That conceptual identity is based on the detection of the same cementitious phases in the two types of cements (Roman and Hybrid) and naturally of the inclusion of alkalis in the structures of some of the phases observed.
Publisher version (URL)https://doi.org/10.1016/j.cemconres.2019.105829
URIhttp://hdl.handle.net/10261/210708
DOI10.1016/j.cemconres.2019.105829
ISSN0008-8846
Appears in Collections:(IETCC) Artículos
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