Engineering of composite materials made of epoxy resins modified with recycled fine aggregate

The paper presents studies performed on polymer-cementitious composite made of epoxy resin coating modified with aggregate and cementitious substrate. Epoxy resin is a perfect material that can be used to protect cementitious materials. According to its manufacturer, it can be mixed with fine aggreg...

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Autores principales:	Krzywiński Kamil, Sadowski Łukasz, Piechówka-Mielnik Magdalena
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	epoxy resin coating cementitious substrate polymer-cementitious composite durability recycled fine aggregate building demolition wastes floor structure Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/2eeb5872627640b18a1a53d6b03a8fe5
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spelling	oai:doaj.org-article:2eeb5872627640b18a1a53d6b03a8fe52021-12-05T14:11:03ZEngineering of composite materials made of epoxy resins modified with recycled fine aggregate2191-035910.1515/secm-2021-0029https://doaj.org/article/2eeb5872627640b18a1a53d6b03a8fe52021-05-01T00:00:00Zhttps://doi.org/10.1515/secm-2021-0029https://doaj.org/toc/2191-0359The paper presents studies performed on polymer-cementitious composite made of epoxy resin coating modified with aggregate and cementitious substrate. Epoxy resin is a perfect material that can be used to protect cementitious materials. According to its manufacturer, it can be mixed with fine aggregate. Coarse aggregate made of building demolition wastes is mostly utilized in concrete mixtures or road structures. Fine aggregate is not widely used. Therefore, the novelty of this research was the utilization of recycled fine aggregate (RFA) in epoxy resin coatings. Natural fine aggregate (NFA) was also used as an extender in the coating. The natural aggregate in the coating was partially replaced with recycled aggregate in amounts of 0, 20, 40, 60, 80, and 100% of its weight. Sixteen specimens of polymer-cementitious composites were prepared for the flexural tensile strength test, and thirty-two specimens for the compressive strength test. The macroscale tests were performed after 35 days of curing (28 days – cementitious substrate, and 7 days – epoxy resin). The results show that the epoxy resin coating does not affect the flexural tensile and compressive strength of the analyzed composites. Moreover, the type of aggregate used in the coating does not have a significant impact on the measured properties of polymer-cementitious composites. Economic analysis was performed in order to estimate the cost of the natural and RFAs used in epoxy resin coatings. The calculations show that a higher amount of RFA should be used to increase savings.Krzywiński KamilSadowski ŁukaszPiechówka-Mielnik MagdalenaDe Gruyterarticleepoxy resin coatingcementitious substratepolymer-cementitious compositedurabilityrecycled fine aggregatebuilding demolition wastesfloor structureMaterials of engineering and construction. Mechanics of materialsTA401-492ENScience and Engineering of Composite Materials, Vol 28, Iss 1, Pp 276-284 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	epoxy resin coating cementitious substrate polymer-cementitious composite durability recycled fine aggregate building demolition wastes floor structure Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	epoxy resin coating cementitious substrate polymer-cementitious composite durability recycled fine aggregate building demolition wastes floor structure Materials of engineering and construction. Mechanics of materials TA401-492 Krzywiński Kamil Sadowski Łukasz Piechówka-Mielnik Magdalena Engineering of composite materials made of epoxy resins modified with recycled fine aggregate
description	The paper presents studies performed on polymer-cementitious composite made of epoxy resin coating modified with aggregate and cementitious substrate. Epoxy resin is a perfect material that can be used to protect cementitious materials. According to its manufacturer, it can be mixed with fine aggregate. Coarse aggregate made of building demolition wastes is mostly utilized in concrete mixtures or road structures. Fine aggregate is not widely used. Therefore, the novelty of this research was the utilization of recycled fine aggregate (RFA) in epoxy resin coatings. Natural fine aggregate (NFA) was also used as an extender in the coating. The natural aggregate in the coating was partially replaced with recycled aggregate in amounts of 0, 20, 40, 60, 80, and 100% of its weight. Sixteen specimens of polymer-cementitious composites were prepared for the flexural tensile strength test, and thirty-two specimens for the compressive strength test. The macroscale tests were performed after 35 days of curing (28 days – cementitious substrate, and 7 days – epoxy resin). The results show that the epoxy resin coating does not affect the flexural tensile and compressive strength of the analyzed composites. Moreover, the type of aggregate used in the coating does not have a significant impact on the measured properties of polymer-cementitious composites. Economic analysis was performed in order to estimate the cost of the natural and RFAs used in epoxy resin coatings. The calculations show that a higher amount of RFA should be used to increase savings.
format	article
author	Krzywiński Kamil Sadowski Łukasz Piechówka-Mielnik Magdalena
author_facet	Krzywiński Kamil Sadowski Łukasz Piechówka-Mielnik Magdalena
author_sort	Krzywiński Kamil
title	Engineering of composite materials made of epoxy resins modified with recycled fine aggregate
title_short	Engineering of composite materials made of epoxy resins modified with recycled fine aggregate
title_full	Engineering of composite materials made of epoxy resins modified with recycled fine aggregate
title_fullStr	Engineering of composite materials made of epoxy resins modified with recycled fine aggregate
title_full_unstemmed	Engineering of composite materials made of epoxy resins modified with recycled fine aggregate
title_sort	engineering of composite materials made of epoxy resins modified with recycled fine aggregate
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/2eeb5872627640b18a1a53d6b03a8fe5
work_keys_str_mv	AT krzywinskikamil engineeringofcompositematerialsmadeofepoxyresinsmodifiedwithrecycledfineaggregate AT sadowskiłukasz engineeringofcompositematerialsmadeofepoxyresinsmodifiedwithrecycledfineaggregate AT piechowkamielnikmagdalena engineeringofcompositematerialsmadeofepoxyresinsmodifiedwithrecycledfineaggregate
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Engineering of composite materials made of epoxy resins modified with recycled fine aggregate

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