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Title: NANOPARTICLES AND RECYCLABLE WASTE IN CONSTRUCTION MATERIALS. FROM PRACTICAL NECESSITY TO ADVANCED SOLUTIONS
NANOPARTICLES AND RECYCLABLE WASTE IN CONSTRUCTION MATERIALS. FROM PRACTICAL NECESSITY TO ADVANCED SOLUTIONS

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Daniel LEPADATU; Loredana JUDELE; Ioana ENTUC; Eduard PROASPAT; Gabriel SANDULACHE
10.5593/sgem2024v/6.2/s25.29
10.5593/sgem2024v/6.2
1314-2704
978-619-7603-78-1
English
24
6.2
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Green Building Materials and Eco-Technologies
In an increasingly competitive economy, we are facing fierce competition in the construction materials industry, where the use of recyclable waste from demolitions has become more than a necessity. The compensation for the loss of certain properties, which could otherwise lead to a reduction in mechanical characteristics, has been achieved through the addition of nanoparticles with superior qualities. This paper will present the main nanoparticles introduced as subtle additives (ranging from 0.01 percent to a maximum of 1 percent) - currently limited due to manufacturing costs - into the formulations of construction materials such as nanocomposites, nanomortars, nanoconcretes, etc., as well as in sometimes substantial fractions of recycled aggregates, among others. Several types of nanoparticles will be discussed, starting with nanoclay, which improves strength and durability and carbon nanotubes, predominantly used in polymers for construction. In concrete, nano-silica can enhance compressive strength and reduce permeability, graphene oxide can improve mechanical properties and reduce weight and nano-metakaolin, being a pozzolanic material, contributes to long-term strength and durability. At the same time, an analysis will be conducted on some of the recyclable waste from construction, which, under certain conditions, can become integral parts of the formulations for new materials. In this way, we can address two societal issues: the first related to recycling demolition waste and the second to reducing pollution. Furthermore, we can highlight the circular economy, as these materials are reintroduced and repurposed in the creation of new advanced building materials.
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This work is supported by a mobility grant of the Romanian Minister of Research Innovation and Digitalization, project number PN-IV-P2-2.2-MC-2024-0263, within National Research Development and Innovation Plan PNCDI IV coordinated by UEFISCDI
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https://doi.org/10.5593/sgem2024v/6.2/s25.29
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Proceedings of 24th International Multidisciplinary Scientific GeoConference SGEM 2024
24th International Multidisciplinary Scientific GeoConference SGEM 2024, 27 - 30 November, 2024
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Russian Acad Arts; Turkish Acad Sci.
231-238
27 - 30 November, 2024
website
10180
nanoparticle, recyclable demolition waste, new advanced buildings materials

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