Listar Departamento de Ingeniería Rural, Construcciones Civiles y Proyectos de Ingeniería por autor "43db3591-c87a-4e87-af88-2e86630fee96"
Mostrando ítems 1-20 de 20
-
A Novel Artificial Neural Network to Predict Compressive Strength of Recycled Aggregate Concrete
Suescum-Morales, David; Salas-Morera, Lorenzo; Jiménez, José Ramón; García-Hernández, Laura (MDPI, 2021)Most regulations only allow the use of the coarse fraction of recycled concrete aggregate (RCA) for the manufacture of new concrete, although the heterogeneity of RCA makes it difficult to predict the compressive strength ... -
Catalogue of Pavements with Recycled Aggregates from Construction and Demolition Waste
Barbudo Muñoz, M. Auxiliadora; Jiménez, José Ramón; Ayuso Muñoz, Jesús; Pérez Galvín, Adela; Agrela Sáinz, Francisco (MDPI, 2018)Construction and Demolition Waste come from debris generated during construction, renovation and demolition of buildings, roads, and bridges. Recycling and reuse are essential in terms of sustainability, mainly from an ... -
Effect of the Composition of Mixed Recycled Aggregates on Physical–Mechanical Properties
López Uceda, Antonio; Fernández Ledesma, Enrique; Salas-Morera, Lorenzo; Jiménez, José Ramón; Suescum-Morales, David (MDPI, 2021)Recycled aggregates (RA) from construction and demolition waste are an alternative to natural aggregates in the construction sector. They are usually classified according to their composition. The main constituent materials ... -
Feasible use of colliery spoils as subbase layer for low-traffic roads
Suescum-Morales, David; Romero Esquinas, Álvaro; Fernández Ledesma, Enrique; Fernández, José M.; Jiménez, José Ramón (Elsevier, 2019)The aim of this paper is to characterise, both physically and chemically, the colliery spoils of Pozo San José, located in the Guadiato Valley (Córdoba, Spain), and evaluate their possible use as unbound materials or as ... -
Functional and structural parameters of a paved road section constructed with mixed recycled aggregates from non-selected construction and demolition waste with excavation soil
Tavira, Javier; Jiménez, José Ramón; Ayuso Muñoz, Jesús; Sierra, María José; Fernández Ledesma, Enrique (Elsevier, 2018)This paper evaluates the lab and in situ mechanical properties of non-selected mixed recycled aggregates from construction and demolition waste (CDW) used as base and subbase unbound materials. Excavation materials are ... -
Geopolymer concrete with treated recycled aggregates: Macro and microstructural behavior
Pawluczuk, Edyta; Kalinowska-Wichrowska, Katarzyna; Jiménez, José Ramón; Fernández Rodríguez, José María; Suescum-Morales, David (Elsevier, 2021)Geopolymer concrete is a more environmentally friendly alternative than conventional concrete because its production does not need cement. Instead, waste materials such as fly ash, rice husk ash, slag, etc. are used. This ... -
Mechanical behaviour of self-compacting concrete made with non-conforming fly ash from coal-fired power plants
Romero Esquinas, Álvaro; Fernández Ledesma, Enrique; Otero, R.; Jiménez, José Ramón; Fernández, José María (Elsevier, 2018)Currently, global sustainability depends on achieving integrated productivity in all economic sectors, making it possible to respond to the environmental challenges facing humanity at present. With the dual objective of ... -
Optimisation of mortar with Mg-Al-Hydrotalcite as sustainable management strategy lead waste
Lozano Lunar, Angélica; Álvarez, José Ignacio; Navarro-Blasco, Íñigo; Jiménez, José Ramón; Fernández Rodríguez, José María (MDPI, 2021)This study analyses how a Mg-Al-Hydrotalcite with carbonate in the interlayer influences the hydration of mortar allowing the management of lead waste (solid or liquid) in a cement-based material. First, the compatibility ... -
Performance of Sustainable Mortars Made with Filler from Different Construction By-Products
López Uceda, Antonio; Fernández Ledesma, Enrique; Jiménez, José Ramón; Fernández Rodríguez, José María (MDPI, 2022)One way to contribute to sustainability in the construction sector is through the incorporation of construction by-products from their own activities. This work intends to extend the possibilities for enhancement of these ... -
Preliminary Study of Recycled Aggregate Mortar for Electric Arc Furnace Dust Encapsulation
Ledesma, Enrique F.; Lozano Lunar, Angélica; Ferreira, Ruan L. S.; Fernández Rodríguez, José María; Jiménez, José Ramón (MDPI, 2021)This article shows the preliminary results of a study carried out to determine the technical feasibility of encapsulating a high percentage of EAFD in cement-based mortars manufactured with the fine fraction of recycled ... -
Promotion of Circular Economy: Steelwork Dusts as Secondary Raw Material in Conventional Mortars
Lozano Lunar, Angélica; Barbudo Muñoz, M. Auxiliadora; Fernández, J.M.; Jiménez, José Ramón (MDPI, 2018)Among the actions proposed by the European Union for the implementation of Circular Economy is the use of waste as a secondary raw material (SRM). During the fusion of the scrap, a steel dust is generated, named Electric ... -
Real-scale study of a heavy traffic road built with in situ recycled demolition waste
Tavira, Javier; Jiménez, José Ramón; Fernández Ledesma, Enrique; López Uceda, Antonio; Ayuso Muñoz, Jesús (Elsevier, 2020)This real-scale study carries out a research of the behaviour of building demolition wastes in a road with high intensity traffic. A mobile recycling plant treated in situ the demolition wastes from 105 single-family homes. ... -
Recycling screening waste and recycled mixed aggregates from construction and demolition waste in paved bike lanes
Tavira, Javier; Jiménez, José Ramón; Ayuso Muñoz, Jesús; López Uceda, Antonio; Fernández Ledesma, Enrique (Elsevier, 2018)This research conducts a full-scale study on the use of recycled mixed aggregates from construction and demolition waste and its screening waste in an experimental bike lane. The subgrade and the natural and recycled ... -
Ternary Blends for Self-Compacting Mortars Production Composed by Electric Arc Furnace Dust and Other Industrial by-Products
López Uceda, Antonio; Cantador Fernández, David; Raposeiro Da Silva, Pedro; Brito, Jorge de; Fernández Rodríguez, José María; Jiménez, José Ramón (MDPI, 2022)This study is framed within the circular economy model through the valorisation of industrial by-products. This research shows the results of producing self-compacting mortars (SCMs) with electric arc furnace dust (EAFD) ... -
The Influence of Heat and Mechanical Treatment of Concrete Rubble on the Properties of Recycled Aggregate Concrete
Pawluczuk, Edyta; Kalinowska-Wichrowska, Katarzyna; Bołtryk, Michał; Jiménez, José Ramón; Fernández, José María (MDPI, 2019)Concrete is a building material commonly used for ages. Therefore, in the result of repairs or demolition of building structures, large amounts of concrete rubble are created, which requires appropriate management. The aim ... -
The Performance of Concrete Made with Secondary Products—Recycled Coarse Aggregates, Recycled Cement Mortar, and Fly Ash–Slag Mix
Kalinowska-Wichrowska, Katarzyna; Pawluczuk, Edyta; Bołtryk, Michał; Jiménez, José Ramón; Fernández Rodríguez, José María; Suescum-Morales, David (MDPI, 2022)The properties of cement concrete using waste materials—namely, recycled cement mortar, fly ash–slag, and recycled concrete aggregate—are presented. A treatment process for waste materials is proposed. Two research experiments ... -
The role of pH on leaching of heavy metals and chlorides from electric arc furnace dust in cement-based mortars
Fernández Ledesma, Enrique; Lozano Lunar, Angélica; Ayuso Muñoz, Jesús; Pérez Galvín, Adela; Fernández, José María; Jiménez, José Ramón (Elsevier, 2018)Electric arc furnace dust (EAFD) presents a pollution hazard due to its heavy metal leachability. Its characterization is essential for recovery or disposal in hazardous waste landfills. The present work discusses the ... -
Use of Carbonated Water as Kneading in Mortars Made with Recycled Aggregates
Suescum-Morales, David; Jiménez, José Ramón; Fernández Rodríguez, José María (MDPI, 2022)The increased concern about climate change is revolutionising the building materials sector, making sustainability and environmental friendliness increasingly important. This study evaluates the feasibility of incorporating ... -
Use of Periodic Mesoporous Organosilica–Benzene Adsorbent for CO2 Capture to Reduce the Greenhouse Effect
Cantador Fernández, David; Esquivel, Dolores; Jiménez, José Ramón; Fernández Rodríguez, José María (MDPI, 2024)The CO2 adsorption of a phenylene-bridged ordered mesoporous organosilica (PMO–benzene) was analyzed. The maximum capture capacity was 638.2 mg·g−1 (0 °C and 34 atm). Approximately 0.43 g would be enough to reduce the ... -
Wastes as Aggregates, Binders or Additions in Mortars: Selecting Their Role Based on Characterization
Brazao Farinha, Catarina; Brito, Jorge de; Veiga, Rosário; Fernández, J.M.; Jiménez, José Ramón; Romero Esquinas, Álvaro (MDPI, 2018)The production of waste has increased over the years and, lacking a recycle or recovery solution, it is forwarded to landfill. The incorporation of wastes in cement-based materials is a solution to reduce waste deposition. ...