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Title: EARLY AGE MECHANICAL PROPERTIES OF CEMENT BASED MORTAR WITH ZEOLITE AGGREGATES
EARLY AGE MECHANICAL PROPERTIES OF CEMENT BASED MORTAR WITH ZEOLITE AGGREGATES

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Ionut-Ovidiu Toma; Ioana Olteanu; George Taranu; Oana-Mihaela Banu; Sergiu-Mihai Alexa-Stratulat
10.5593/sgem2022V/6.2/s26.52
10.5593/sgem2022V/6.2
1314-2704
978-619-7603-52-1
English
22
6.2
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Green Buildings Technologies and Materials
As natural resources are rapidly depleting and the demand of cement based products in construction industry is continuously increasing, there is a pressing need for finding alternatives without large penalties in terms of mechanical properties. Another issue to be resolved is related to current design guidelines developed for traditional cement based materials (e.g. mortar and concrete). Zeolites, either natural or synthetic, are crystalline alumina silicates with pozzolanic activity in cement based materials that lead to obtaining mortars and concrete with improved elastic, mechanical and durability properties. They represent a viable alternative to river or quarry aggregates. The paper focuses on assessing the early age mechanical properties of cement based mortar with natural zeolites aggregates that were used to replace river sand in different percentages: 10, 20 and 30 percent by mass. A mortar mix, without zeolite aggregates, was also considered and served as reference. Standard 40?40?160 mm mortar prisms were cast and then cured in water for 14 days. The samples were measured and weighed in order to determine the density of the mortar mixes. The damping material properties were determined based on ASTM C215 code. Flexural and compressive strength were determined in accordance to SR EN 196-1 specifications.
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The results presented in this paper were obtained as part of the PN-III-P2-2.1-PED-2021- 0677 research grant “Sustainable Concrete for Energy Efficient Buildings” funded by Executive Agency for Higher Education, Research, Development and Innovation Funding – UEFISCDI.
conference
https://doi.org/10.5593/sgem2022V/6.2/s26.52
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Proceedings of 22nd International Multidisciplinary Scientific GeoConference SGEM 2022
22nd International Multidisciplinary Scientific GeoConference SGEM 2022, 06-08 December, 2022
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish 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; Turkish Acad Sci.
405-412
06-08 December, 2022
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zeolite aggregates, aggregate replacement, damping properties, flexural strength, compressive strength