The safe disposal of an enormous amount of waste glass (WG) in several countries has become a severe environmental issue. In contrast, concrete production consumes a large amount of natural resources and contributes to environmental greenhouse gas emissions. It is widely known that many kinds of waste may be utilized rather than raw materials in the field of construction materials. However, for the wide use of waste in building construction, it is necessary to ensure that the characteristics of the resulting building materials are appropriate. Recycled glass waste is one of the most attractive waste materials that can be used to create sustainable concrete compounds. Therefore, researchers focus on the production of concrete and cement mortar by utilizing waste glass as an aggregate or as a pozzolanic material. In this article, the literature discussing the use of recycled glass waste in concrete as a partial or complete replacement for aggregates has been reviewed by focusing on the effect of recycled glass waste on the fresh and mechanical properties of concrete.
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http://dx.doi.org/10.3390/ma15186222 | DOI Listing |
Environ Sci Pollut Res Int
January 2025
Legambiente nazionale APS - RETE ASSOCIATIVA - ETS, via Salaria 403, 00199, Rome, Italy.
This paper presents a preliminary assessment of waste accumulation along riverbanks in Italy, aiming to provide baseline data for future monitoring and management efforts. The study surveyed 18 stations along 16 rivers across different regions of Italy, from north to south, to quantify and characterise the types and abundance of litter present along their banks. Field surveys were conducted by Legambiente citizen scientists applying a standardised protocol to record and categorise litter items systematically.
View Article and Find Full Text PDFPolymers (Basel)
December 2024
Department of Applied Mathematics, Materials Science and Engineering and Electronic Technology, Universidad Rey Juan Carlos, Calle Tulipán s/n, 28933 Móstoles, Spain.
This work investigates the sustainable reuse of expanded polystyrene (EPS) waste through a multi-cycle physical recycling process involving dissolution in acetone and subsequent manufacturing via Direct Ink Write (DIW) 3D printing and casting. Morphology and mechanical properties were evaluated as a function of the manufacturing technique and number of dissolution cycles. Morphological analysis revealed that casted specimens better replicated the target geometry, while voids in 3D-printed specimens aligned with the printing direction due to rapid solvent evaporation.
View Article and Find Full Text PDFPolymers (Basel)
December 2024
Graduate School of Organic Materials Science, Yamagata University, Yamagata 990-8510, Japan.
Glass short fiber-reinforced thermoplastics (GSFRTPs) are a cost-effective alternative to other short fiber-reinforced thermoplastics (SFRTPs). Their excellent mechanical properties make them a suitable material for components that require rigidity and light weight in widely diverse fields, including transportation and office automation equipment. The melt-mixing process is used to shorten glass fibers.
View Article and Find Full Text PDFMaterials (Basel)
December 2024
Department of Civil Engineering, University of Burgos, 09001 Burgos, Spain.
The glass fiber-reinforced polymer (GFRP) materials of wind turbine blades can be recovered and recycled by crushing, thereby solving one of the most perplexing problems facing the wind energy sector. This process yields selectively crushed wind turbine blade (SCWTB), a novel waste that is almost exclusively composed of GFRP composite fibers that can be revalued in terms of their use as a raw material in concrete production. In this research, the fresh and mechanical performance of concrete made with 1.
View Article and Find Full Text PDFHeliyon
December 2024
Department of Applied Chemistry and Chemical Engineering, Islamic University, Kushtia, Bangladesh.
Hematite (α-FeO) nanoparticles have been synthesized from waste source of iron which contains a prominent amount of iron (93.2 %) and investigated the effect of low temperature calcination. The two-step synthesis method involved preparing ferrous sulfate through acid leaching process followed by oxidation and calcination at temperatures ranging from 200 to 400 °C to produce the desired α-FeO in nano form.
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