Peer-reviewed articles 17,970 +


Ionut-Ovidiu Toma; Ioana Olteanu; George Taranu; Oana-Mihaela Banu; Sergiu-Mihai Alexa-Stratulat
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
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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[2] Samimi K., Kamali-Bernard S., Maghsoudi A. A., Durability of self-compacting concrete containing pumice and zeolite against acid attack, carbonation and marine environment, Construction and Building Materials, vol. 165, pp 247–263, 2018,;
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[4] Shariful Islam M., Mohr B.J., VandenBerge D., Performance of natural clinoptilolite zeolite in the cementitious materials: A comparative study with metakaolin, fly ash, and blast furnace slag, Journal of Building Engineering, vol. 53, 104535, 2022,;
[5] ASTM C215-14 - Standard Test Method for Fundamental Transverse, Longitudinal, and Torsional Resonant Frequencies of Concrete Specimens, ASTM International, 2014
[6] SR EN 196-1. Methods for testing cement –Part 1: determination of strength. Romanian Standards Association; 2006 (in Romanian).
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[8] Kaboosi K., Emami K., Interaction of treated industrial wastewater and zeolite on compressive strength of plain concrete in different cement contents and curing ages, Case Studies in Construction Materials, Volume 11, e00308, 2019,;
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[12] Yoon C. B., Lee H. S., Experimental Study on the Evaluation of Physical Performance and Durability of Cement Mortar Mixed with Water Repellent Impregnated Natural Zeolite, Materials, vol. 13, 3288, 2020,
[13] Nagrockiene D., Girskas G., Research into the properties of concrete modified with natural zeolite addition, Construction and Building Materials, vol. 113, pp 964-969, 2016,
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.
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.
06-08 December, 2022
zeolite aggregates, aggregate replacement, damping properties, flexural strength, compressive strength

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