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Jesús Gadea Sáinz

Jesús Gadea Sáinz
Universidad de Burgos | UBU · Department of Architectural Constructions and Construction and Territory Engineering

About

44
Publications
8,302
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472
Citations
Citations since 2017
11 Research Items
327 Citations
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20172018201920202021202220230102030405060
20172018201920202021202220230102030405060
20172018201920202021202220230102030405060

Publications

Publications (44)
Conference Paper
El grado en Arquitectura Técnica de la Universidad de Burgos lleva un recorrido de 10 años en el Plan Bolonia, que implantó de manera simultánea en el curso 2010-2011 para los cuatro cursos del grado. Dentro de las estrategias iniciales del Grado, la adquisición de competencias a través del trabajo por proyectos en las asignaturas de materiales de...
Patent
Esta patente de invención abarca la obtención de materiales derivados del yeso fabricados con grandes cantidades de escoria como reemplazo siderúrgico del conglomerante para ser utilizados como placas de yeso de aplicación en construcción, a la que se pueden incorporar aditivos que mejoren alguna propiedad. Asimismo, se estudia en profundidad el co...
Article
Full-text available
The physical and mechanical properties of prefabricated plaster materials prepared with large quantities of white slag as an aggregate replacement are studied in the form of plasterboards for use in construction. The initial characterization results show a reduction in the mechanical strength of the specimens as the amount of white slag increases,...
Article
Full-text available
Resumen Este trabajo recoge una experiencia colaborativa docente entre el Grupo de Innovación Docente en Ingeniería de la Edificación de la Universidad de Burgos y el Equipo Docente del 3º Curso del Segundo Ciclo de Educación Infantil del Colegio Público Fernando de Rojas de Burgos. El Grupo de Innovación Docente en Ingeniería de la Edificación de...
Chapter
The durability of using cement mortars lightened with rigid polyurethane foam waste is analysed, adding to previous research on their characterization, preparation, and manufacture carried out by the Construction Materials Research Group, University of Burgos. For this work a storage hut was built. The mortars used two types of cement: CEM II and I...
Chapter
The characterization of a new gypsum mortar-based composite material that incorporates various combinations of polyurethane waste in its matrix is reported in this paper. The new material, a lightweight plate for use in internal ceilings, is characterized in a series of standardized tests: bulk density, mechanical behavior, and the reaction to fire...
Chapter
Ladle furnace slags have successfully been used in the manufacture of masonry mortars. However, this type of steelmaking waste is not easily mixed with the other components, resulting in separation of the mix water and insufficient hydration, which prevents proper setting and hardening of the mixes. Two types of new-generation admixtures were used,...
Article
Full-text available
Introduction:The use of polymer wastes in pavement as road is an increasing trend in the road construction sector. Those new pavements reduce the amount of solid waste disposed into landfills and provide more sustainable construction due to the use of in-situ materials. Polyurethane foam waste is a thermostable polymer being used in the form of a g...
Patent
La presente invención se refiere a la fabricación de morteros sustituyendo la arena por residuo procedente de la industria extractiva de la pizarra. Mediante la utilización de cementos específicos y aditivos orgánicos en polvo se consiguen morteros con buenas propiedades para su uso en el sector de la construcción y se evitan los problemas que los...
Article
Full-text available
Gypsum plasterboard that incorporates various combinations of polyurethane foam waste and polypropylene fibers in its matrix is studied. The prefabricated material was characterized in a series of standardized tests: bulk density, maximum breaking load under flexion stress, total water absorption, surface hardness, thermal properties, and reaction...
Poster
Full-text available
By using polymeric additives with low hydrophilic–lipophilic balance (HLB) values, the lightweight mortars show more and more high mechanical properties according to the increase of the substitution rate of sand by polyurethane wastes. These non-ionic surfactants seem to promote a homogeneous microstructure and improve the adhesion between PU waste...
Article
This paper presents an investigation into the incorporation of polyamide powder waste in mortars with a polymeric organic soluble non-ionic surfactant. Several samples were prepared by replacing the aggregate with amounts of 0, 25, 50, 75 and 100 % polyamide powder, to obtain lightweight materials. It was found that the presence of powder waste mod...
Article
The advantageous influence of two different polycarboxylate and melamine superplasticizers is studied in relation to the properties of blended mortar plaster made with recycled polymers (polyamide powder and polyurethane foam). The characteristics of the test specimens are defined and tested in both a fresh and a hardened state. The influence of th...
Article
An experimental analysis is performed on the fatigue behaviour of composite specimens made with Portland cement, sand, water, and polyurethane foam wastes. Different mixtures were firstly prepared through the substitution of different amounts of sand by equivalent volumes of polyurethane. The test pieces underwent cyclic compression tests, to study...
Patent
Mortero de cal con poliamida reciclada en polvo, obtenido en la mezcla de cal, árido, agua y diferentes sustituciones de cal por poliamida en polvo como residuo derivado de la industria. La presente invención se basa en la obtención de un mortero de cal obtenido a partir del reciclado de polvo de poliamida, que sustituye a los morteros de albañiler...
Patent
Procedimiento de obtención de placa de yeso laminada concebida para su utilización en la construcción, especialmente para su empleo en la realización de tabiquería interior y exterior. La placa está realizada a partir de un compuesto consistente básicamente en yeso o escayola comercial (sulfato cálcico semihidratado) y residuos de poliamida en polv...
Patent
Procedimiento de obtención de placas de yeso laminado aligeradas con residuo de espuma de poliuretano, placa obtenida y uso de la misma. Se describe un procedimiento de obtención de placa de yeso laminada concebida para su utilización en la construcción, especialmente para su empleo en la realización de tabiquería interior. La placa está realizada...
Article
Full-text available
Este trabajo presenta los resultados de un proceso experimental de reutilización de residuos obtenidos de desechos de placas de yeso laminado elaboradas con residuos poliméricos de origen industrial (espuma de poliuretano) y reforzadas con fibras de polipropileno, para la fabricación de nuevas placas de yeso laminado. Para ello, se expone la metodo...
Patent
Mortero de albañilería fabricado a partir de conglomerante, árido y agua con diferentes sustituciones de árido por melamina en polvo (urea-formaldehido o la melanina formaldehido). La presente invención se basa en la obtención de un material obtenido a partir de melamina en polvo, que puede añadirse junto con los componentes finos del árido o bien...
Patent
Se consigue con esta invención la obtención de conglomerados de yeso y escayola con áridos procedentes de fracciones de rechazo de la industria de la piedra artificial de tipo cuarzo reciclada para su uso en la construcción, para obtener productos de construcción de diferentes colores con prestaciones mejoradas respecto a materiales de referencia....
Conference Paper
Full-text available
El objetivo de este trabajo consiste en el diseño de nuevos materiales de construcción mezcla de yeso con diferentes cantidades de aditivos y escorias de horno de cuchara, con propiedades que son comparables a las de mezclas convencionales de acuerdo con las normas de construcción actuales. No se han encontrado referencias bibliográficas que traten...
Patent
Yeso de construcción fabricado a partir de sulfato cálcico dihidratado con diferentes sustituciones de yeso por poliamida en polvo reciclada.
Patent
Yeso de construcción fabricado a partir de sulfato cálcico hemihidratado con diferentes sustituciones de yeso por escoria blanca de horno cuchara reciclada, obtenida como subproducto del proceso de afino de las coladas de hierro de la metalurgia primaria. La presente invención se basa en la obtención de un material con características apropiadas pa...
Patent
Mortero de construcción fabricado a partir de cemento, agua y árido con sustitución total o parcial del árido por poliamida en polvo reciclada. La presente invención se basa en la obtención de un material aligerado obtenido a partir del reciclado de polvo de poliamida como árido, que sustituye a los morteros de albañilería aligerados, eliminando to...
Conference Paper
This presentation presents the results obtained in the production of lightweight mortars where different amounts of sand were replaced by polyamide powder wastes. The characterization of the materials obtained was carried out in fresh and hardened state, considering especially the vapor permeability and micro and macroporosity properties. It has be...
Article
Full-text available
This paper presents the results obtained in the production of lightweight mortars where different amounts of sand were replaced by polyamide powder wastes. The characterization of the materials obtained was carried out in fresh and hardened state, considering especially the vapor permeability and micro and macroporosity properties. It has been foun...
Patent
La presente invención consiste en la obtención de un nuevo material de yeso aligerado para su uso en la construcción, en el que se incorporan residuos industriales de espumas rígidas de poliuretano. Los residuos poliméricos espumados se mezclan tras su molido con el yeso a diferentes granulometrías en función de su uso.
Article
This study investigates the influence of polyamide powder waste on the rheological properties of plaster pastes. Plaster blends are prepared using different volumetric proportions of polyamide by fixing the water/conglomerate ratio. A rotational viscometer is used to determine the yield shear stress and the plastic viscosity of the pastes. These re...
Patent
Hormigón bituminoso en caliente para la construcción e ingeniería civil obtenido a partir del reciclado de espumas rígidas de poliuretano, de utilidad como nuevo material para pavimentos. La invención protege, además del producto, su uso en función de las distintas propiedades del material a partir de diferentes dosificaciones, mejorando algunas de...
Article
Masonry mortars made with Portland cement, sand, water and white recycled polyurethane foam from industrial waste are examined in this study. Different mixtures were firstly prepared through the substitution of different amounts of sand by equivalent volumes of polyurethane and then, with different ratios of cement/aggregates. The comparative study...
Article
This paper presents the results of an experimental study on the use of polyamide powder waste to produce a new lightweight plaster material with improved thermal properties. Plaster blends were prepared using different volumetric proportions of polyamide. The characteristics of the tests specimens were defined and tested by fixing the consistency a...
Article
This paper presents a study of the properties and thermal behaviour of plaster with polyurethane foam wastes. Plaster mixtures, prepared using differing volumes of polyurethane foam waste from two different sources, were ground to different granulometric sizes. The characteristics of the specimens were defined and tested by fixing the consistency a...
Patent
Composite ligero cemento-polímero para la construcción obtenido a partir del reciclado de espumas rígidas de poliuretano, de utilidad como nuevo material de construcción que sustituye a los morteros ligeros, eliminando los áridos expansivos u otro tipo de compuestos más tradicionales que se emplean en la fabricación de estos productos, sustituyéndo...
Article
This paper presents results of an experimental study on the use of rigid polyurethane foam wastes with cement-based mixtures to produce lightweight mortar. Several mortar grades were obtained by mixing cement with different amounts of polyurethane, aggregate and water. Dosages were varied to replace aggregates with recycled polyurethane, while the...
Article
Full-text available
The aim of this work is to contribute to the knowledge of the interactions between aggregates and the components of the interstitial phase of concrete and to determine whether those aggregates that are subsequently used in the manufacture of concrete are reagents and are therefore likely to undergo a progressive deterioration of their initial prope...
Article
The aim of this work is to contribute to the knowledge of the interactions between aggregates and the components of the interstitial phase of concrete and to determine whether those aggregates that are subsequently used in the manufacture of concrete are reagents and are therefore likely to undergo a progressive deterioration of their initial prope...
Article
Full-text available
In this paper it is studied the reactivity of the slates with alkali hydroxides released by the cements in concretes and mortars. For this purpose several essays were performed under different conditions to a selection of slates of different origins and composition. It has been shown that all the tested slates are susceptible to alkali-silica and a...
Article
Full-text available
Siliceous aggregates are characterized for presenting certain chemical reactivity opposite to the calcium hydroxide liberated in the hydration of the Portland cement. The consequence of this reaction between the aggregate and the components of the intermediate concrete phase is the formation of gels very eager for water that can generate important...

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