Assessment of the Applicability of Sustainable Epoxy Composites Containing Waste Rubber Aggregates in Buildings

Dębska, B.; Lichołai, Lech; Miąsik, Przemysław

doi:10.3390/buildings9020031

Cited by 23 publications

(20 citation statements)

References 34 publications

(44 reference statements)

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“…The aggregate used to make resin composites must be durable and clean as well as dry. Most often it is quartz sand [4], but partial sand replacement with alternative aggregates, such as perlite [5], expanded clay [6], and waste rubber [7,8] gives good effects. Resin concretes are characterized by very high compressive strength (over 100 MPa) and bending strength, as well as very good chemical resistance.…”

Section: Introductionmentioning

confidence: 99%

Assessment of the Mechanical Parameters of Resin Composites with the Addition of Various Types of Fibres

et al. 2020

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The article describes tests of epoxy mortars after the addition of fibres. The fibres were a substitute for sand in the amount of 0, 1, 2, 3, 4 and 5% by volume, respectively. Three types of mortar were obtained, containing polypropylene, glass and carbon fibres, respectively. Statistical analyses (ANOVA) were carried out to assess the impact of fibre content on the mechanical properties of mortars. Brittle fracture toughness was also tested using the Cracked Straight Through Brazilian Disc method. The addition of each type of fibre improved the assessed parameters. Based on the obtained research results, and also due to availability and price, the most advantageous seems to be the production of composites containing the addition of polypropylene fibres.

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Section: Introductionmentioning

confidence: 99%

Assessment of the Mechanical Parameters of Resin Composites with the Addition of Various Types of Fibres

et al. 2020

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“…An upper variant of recycling the waste rubber is regeneration which represents a technological process of breaking the vulcanized rubber network by various methods that may be acting thermal, mechanical, chemical, or combinations thereof [11,12]. Most researches that were carried out in the field…”

Section: Introductionmentioning

confidence: 99%

Reducing of Energy Consumption by Improving the Reclaiming Technology in Autoclave of a Rubber Wastes

Dobrotă

2019

Energies

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The devulcanization of the rubber wastes in autoclave represent a technological variant that allows the superior utilization of rubber wastes, but with high energy consumption. The researches aimed at improving the devulcanization technology in order to obtain reclaimed rubber with superior characteristics, but also with a reduction in energy consumption. An improvement to devulcanization technology consisted in vacuuming the autoclave at the end of the devulcanization process. An increase in the degree of devulcanization of the rubber from 86.83% to 93.81% and an improvement of the physico-mechanical characteristics of the reclaimed rubber was achieved by applying this technology. The realization of the new type of regenerated rubber allowed for an increase in the degree of it use for different mixtures, from 15–20 phr to 30–40 phr without substantially affecting the physical and mechanical properties of the products. Additionally, the researche has shown that, by obtaining the new type of reclaimed rubber, the duration of the refining process has been reduced by 30%. All of this leads to a considerable reduction in energy consumption and transformation of the rubber waste reclaiming process into a sustainable one.

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“…In this case, the most commonly known parameters characterizing a given material and real values determining local climatic conditions are used for the analysis. A large number of articles [8,9,[29][30][31] present the results of the designed elements, obtained on the basis of two research methods: experimental and computer simulation. By comparing the two methods, it is possible to verify experimental results with theoretical results.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the Thermal Characteristics of a Composite Ceramic Product Filled with Phase Change Material

et al. 2019

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The article presents a comparative analysis carried out using three methods, determining the heat transfer coefficient U for a ceramic product modified with a phase change material (PCM). The purpose of the article is to determine the convergence of the resulting thermal characteristics, obtained using the experimental method, numerical simulation, and standard calculation method according to the requirements of PN-EN ISO 6946. The heat transfer coefficient is one of the basic parameters characterizing the thermal insulation of a building partition. Most often, for the thermal characteristics of the partition, we obtain from the manufacturer the value of the thermal conductivity coefficient λ for individual homogeneous materials or the heat transfer coefficient U for the finished (prefabricated) partition. In the case of a designed composite element modified with a phase change material or other material, it is not possible to obtain direct information on the above parameter. In such a case, one of the methods presented in this article should be used to determine the U factor. The U factor in all analyses was determined in stationary conditions. Research has shown a significant convergence of the resulting value of the heat transfer coefficient obtained by the assumed methods. Thanks to obtaining similar values, it is possible to continue tests of thermal characteristics of partitions by means of numerical simulation, limiting the number of experimental tests (due to the longer test time required) in assumed different partition configurations, in stationary and dynamic conditions.

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Assessment of the Applicability of Sustainable Epoxy Composites Containing Waste Rubber Aggregates in Buildings

Cited by 23 publications

References 34 publications

Assessment of the Mechanical Parameters of Resin Composites with the Addition of Various Types of Fibres

Assessment of the Mechanical Parameters of Resin Composites with the Addition of Various Types of Fibres

Reducing of Energy Consumption by Improving the Reclaiming Technology in Autoclave of a Rubber Wastes

Analysis of the Thermal Characteristics of a Composite Ceramic Product Filled with Phase Change Material

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