The Role of Glass Additives in the Properties of Lime-Based Grouts

Bibliographic Data

ID13125366
AuthorsVasiliki Pachta (0000-0002-4069-7768, Aristotle University of Thessaloniki, corresponding author)
Year2021
Volume4
Issue2
Pages906-916
Publication date2021-05-21
Peer ReviewedYes
Open AccessYes
TypeARTICLE
VenueHeritage (JOURNAL)
Journal identifiersISSN: 2571-9408 • E-ISSN: 2571-9408
PublisherMDPI AG (PUBLISHER • IT)
DOI10.3390/heritage4020049
OpenAlexW3160151130
LanguageEN
Citations received1
References cited38

Various types of additives have been diachronically used in historic mortars, whereas their use in lime-based grouts, used for the restoration of historic structures, is rather limited. In this study, an effort was made to investigate the performance of glass additives in grouts, consisting of lime and natural pozzolan. The additives concerned glass fibers (3 and 6 mm in length), glass beads and bubbles, added in a proportion 0.3–3% w/w of binders. Five grout compositions were manufactured and their properties at fresh and hardened states were tested. From the evaluation of the results, it was asserted that glass additives influenced the grouts’ performance in a favorable way. Their fresh state and physical properties were maintained or slightly improved, while there was a significant enhancement of the long-term mechanical characteristics of the mixes. Additionally, the adhesion capability of grouts was notably increased, which is a crucial aspect indicating their efficacy

Cement · Composite material · Glass fiber · Glass recycling · Grout · Lime · Lime mortar · Metallurgy · Mortar · Portland cement · Pozzolan · Soda-lime glass · 3D Surveying and Cultural Heritage · Building materials and conservation · Concrete and Cement Materials Research · Materials Science

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