Mechanical Characterization of Gypsum Composites Containing Inert and Insulation Materials from Construction and Demolition Waste and Further Application as A Gypsum Block
| Autor: | César Porras Amores, Mercedes del Río Merino, Jaime Santa Cruz Astorqui, Carmen Viñas Arrebola, Marica Sorrentino, Paola Villoria Sáez |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Morteros - Construcción
3308.02 Residuos Industriales 0211 other engineering and technologies 02 engineering and technology sustainable construction lcsh:Technology Revestimientos - Construcción 021105 building & construction General Materials Science Ceramic Composite material Particiones interiores lcsh:QC120-168.85 block 3313.04 Material de Construcción 021001 nanoscience & nanotechnology Hardness plaster Compressive strength 3312.12 Ensayo de Materiales visual_art recycled material visual_art.visual_art_medium 0210 nano-technology lcsh:TK1-9971 interior partition 3312.02 Aglomerantes Gypsum Materials science 2211.02 Materiales Compuestos Construcción sostenible Material sostenible engineering.material Gypsum block Residuos de Construcción Demolición (RCD) Article Flexural strength Mixed waste lcsh:Microscopy Reciclaje - Construcción Material Compuesto de Raiz Polimérica (PMC) lcsh:QH201-278.5 lcsh:T 3312.08 Propiedades de Los Materiales Yeso Demolition waste lcsh:TA1-2040 engineering lcsh:Descriptive and experimental mechanics lcsh:Electrical engineering. Electronics. Nuclear engineering Poliestireno expandido (EPS) lcsh:Engineering (General). Civil engineering (General) |
| Zdroj: | Materials Volume 13 Issue 1 RIARTE Consejo General de la Arquitectura Técnica de España (CGATE) Materials, Vol 13, Iss 1, p 193 (2020) |
| ISSN: | 1996-1944 |
| DOI: | 10.3390/ma13010193 |
| Popis: | This article analyzes the feasibility of using construction and demolition waste (expanded polystyrene, ceramic, and concrete waste) in a gypsum matrix to manufacture plaster for interior coatings or for prefabricated elements for interior partitions. To do this, several gypsum specimens were prepared (4 × 4 × 16 cm) incorporating different percentages of waste based on the weight of the gypsum (25%, 50%, and 75% of ceramic, concrete, and a mixture of both). Reference samples were also produced (without additions) to compare the results obtained. The compounds with the best performance were selected and lightened by preparing other samples in which 1/3 and 2/3 of the volume of ceramic, concrete, and mixed waste were replaced with expanded polystyrene (EPS). All samples were tested in the laboratory and the following physical and mechanical characteristics were determined: density, surface hardness, flexural strength, compressive strength, capillary water absorption, and thermal conductivity. Several applications were proposed for the selected compounds. A gypsum block with a sandwich configuration was obtained (40 × 20 × 10 cm) using the optimum compound. The block was further tested regarding its density and compression strength. A comparative analysis showed that it is possible to produce materials with a gypsum matrix by adding ceramic, concrete, and EPS waste, improving the behavior of the traditional gypsum and enabling them to be applied in various construction applications. These applications have a lower environmental impact than ordinary ones because they use less primary raw material, due to the reuse of waste. |
| Databáze: | OpenAIRE |
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