Sara Gutiérrez-González

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

This work addresses the European Life-Repolyuse project entrepreneur approach as an example of how to transform a scientific laboratory material in a real market product in a fast and efficient way. The key aspect to reach the success was aligning the vast expertise of the Building Engineering Research Group (GIIE) from the University of Burgos, in...

The economic model of the construction sector is becoming more circular by emphasizing sustainability at all stages from the design, the production phase, the installation, the use, the removal and finally its transport to landfill. This work analyses the influence of added polyurethane foam waste from refrigerated industry on the technical propert...

The amount of plastics deposited in the environment is constantly increasing. To improve their circularity, numerous research lines emerge, such as the creation of new construction materials that incorporate polymeric waste. This practice manages to extend the life cycle of the waste, avoids the consumption of limited natural resources and gives th...

Higher education institutions and educators must provide their students with the opportunity to have global, intercultural, and collaborative experiences that will enable them to solve specific problems in different socio-cultural contexts. Industry 4.0 provides a very suitable context in which to carry out these experiences from home, thus contrib...

Con esta guía didáctica, de carácter marcadamente práctico, la Universidad de Burgos refuerza su compromiso por la Sostenibilidad y el Desarrollo Humano Sostenible, recogidos en sus estatutos y en la Declaración Institucional de la UBU a favor del Comercio Justo y el Consumo Responsable. Esta Guía Didáctica tiene como objetivo, impulsar la integrac...

Con esta guía, de carácter marcadamente práctico, la Universidad de Burgos refuerza su compromiso por la Sostenibilidad y el Desarrollo Humano Sostenible, recogidos en sus estatutos, en la Declaración de la CRUE de 2005 de las Universidades sobre compra verde, y en la Declaración Institucional de la UBU a favor del Comercio Justo y el Consumo Respo...

diferentes prácticas en el Laboratorio de Materiales de Construcción a lo largo del curso, recogidas en las guías docentes, dentro de los procesos educativos de cada asignaturas. Se plantea utilizar la Metodología Activa del Aprendizaje por Rincones dentro de las prácticas en el Laboratorio de Materiales, para conseguir el objetivo de implantar la...

Since the beginning of the 21 st century, the production of plastic has experienced a boom, reaching more than half of all the plastic ever produced [1]. Besides, It is estimated that around the 40 percent of the plastic products become garbage in less than one month [2]. If the same trend continues, some studies estimate that by 2050 there will be...

In the following analysis we want to show the work carried out at the University of Burgos, in which high school students are given their first notions about construction materials, both in their characterization and in the knowledge of new eco-materials. In this way, teenagers can have their first contact with the scientific world from a theoretic...

In accordance with the European politics of reducing the amount of polymers and plastics wastes, the inclusion of compounds such as roof wastes as recycled and reusable materials to replace variable amounts of aggregates is interesting in the production of new construction materials due to their physical and chemical behaviour. Prefabricated mortar...

In this paper, the LCA of two gypsum ceiling tiles is compared, the first one is a traditional gypsum tile and the second is a new eco ceiling tile in which polyurethane foam waste has been incorporated. Both tiles were made at one of the largest gypsum tile factories in Europe. The life cycle assessment has been considered from cradle to grave for...

The objective of this case study is based on establishing the real possibilities for the placement of cement mortars lightened with recycled shredded polyurethane, and their performance over a very long period of time, several years. Multiple types of mortars have been designed and dosed to be used as masonry base and resurfacing mortars. On site,...

La formación de los estudiantes universitarios y el desarrollo de sus capacidades humanas y profesionales precisan de metodológicas activas innovadoras que incentiven sus habilidades y destrezas, con el objetivo de incentivar el aprendizaje y hacer frente con garantía a los nuevos retos sociales. En las titulaciones técnicas, las Prácticas de Labo...

This work shows an investigation in which plasterboard are designed, with the addition of ladle furnace slag, generated in the steel manufacturing process in the Secondary Metallurgy. The properties of gypsum mortars manufactured with the addition of ladle furnace slag have been characterized, with progressive substitutions of the conglomerate by...

Our purpose is to produce a prefabricated lightweight cement structure with polymeric industrial waste from shredded recycled vehicle roofs, which is fire resistant. Mortars obtained are fabricate with Portland cement, sand, water and shredded roof wastes from the automobile industry that replaces different quantities of aggregates. The additives...

La Universidad de Burgos afrontó el curso 2010-2011 el reto de iniciar un nuevo Grado en Ingeniería de la Edificación, que consistía en la adecuación de los estudios de Arquitectura Técnica en España según el Sistema de Bolonia. Uno de los objetivos era introducir criterios de sostenibilidad en esta titulación académica, por lo que se impartieron t...

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...

The introduction of polyurethane waste from the production of cars into gypsum plasterboards in its matrix is studied. This new plasterboard is compared to commercial gypsum plasterboard; therefore, the doses and the uses of both materials are the same. The prefabricated material is entirely characterized under the Standard EN 520:2005+A1 by the fo...

5th International Conference of Educational Innovation in Building. CINIE 2021.

5th International Conference of Educational Innovation in Building. CINIE 2021.

In the last few years, research in the field of sustainability has experienced a significant increase in interest between sustainability and other areas (inclusive education, active methodologies, and society). Moreover, the use of mixed research methods (quantitative and qualitative) along with the application of data mining techniques, enables th...

The properties and the behaviour of plaster mortars designed with Polyurethane Foam Waste (PFW) are studied in this investigation. A characterization of the mixtures is completed, in accordance with the technical specifications of European Norms. The incorporation of polyurethane waste foam can yield porous and lighter mortars, with better resistan...

The process of preparing a “Declaration of Performance” is presented for a masonry mortar manufactured with by-products from the steelmaking industry recycled as aggregates, for subsequent CE Marking, with the aim of promoting its commercialization within the European Union. Specific tests are applicable to construction mortars, both for masonry an...

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...

Present waste management policies aim to reduce waste environmental impacts and improve resources’ efficiency. The use of waste and recycled materials to develop green construction materials are attracting researchers worldwide to develop new solutions addressed to increase the sustainability of buildings. This work presents a study of a new recycl...

In the European Union, the demand for polyurethane is continually growing. In 2017, the estimated value of polyurethane production was 700,400 Tn, of which 27.3% is taken to landfill, which causes an environmental problem. In this paper, the behaviour of various polyurethane foams from the waste of different types of industries will be analyzed wit...

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,...

In the European Union, the demand for polyurethane is continually growing. In 2017, the estimated production value of polyurethane was 700,400T, of which 27.3% is taken to landfill, which causes an environmental problem. In this paper the behaviour of various polyurethane foams from the waste of different types of industries will be analysed with t...

The fatigue behavior of lightweight polyurethane foam waste cement mortars was analyzed, in which the sand is replaced by polyurethane waste in volumetric proportions of 50%, 60% and 75%. For this purpose, having calculated the static modulus of elasticity of the mortars, successive loading and unloading cycles under compression are performed. Thes...

In this paper, ecological masonry mortars as a new building material are design, using a mix of calcium lime and Portland cement as binder, together with steelmaking waste aggregate (Electric Arc Furnace Slag and Ladle Furnace Slag), in substitution of natural aggregate and, subsequently a comparative study was made using mathematical models. To do...

The commitment of the European Union to a sustainable and environmentally friendly development is one of the main objectives of the Europe 2020 strategy. The challenge to attain zero energy consumption buildings requires innovating in order to become more efficient and comply with the requirements of Directive 2010/31/EU on energy efficiency of bui...

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...

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...

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...

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,...

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...

The objective of this work is to study the fracture behavior of lime-cement masonry mortars prepared with various proportions of lime and cement. Different amounts of Electric Arc Furnace – EAF-(black) slag and Ladle Furnace –LF-(white) slag were used in substitution of conventional aggregate. By varying the Water/Binder ratio the characteristics o...

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...

The behaviour of water absorption by capillarity and the water vapour permeability of masonry mortars with added steelmaking aggregates consisting of steelmaking slags are studied. The steelmaking slags are a mixture of electric arc furnace slag (EAFS) and ladle furnace slag (LFS), for use as bonding mortars in construction and on vertical walls as...

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...

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...

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...

One of the most extensive applications of recycled construction and demolition waste is as recycled aggregate in substitution of natural aggregate. An application for the fine fraction is investigated in this study by preparing lightweight mortars with different types of fine recycled aggregate from concrete waste and rubble. The properties of the...

A durability study is presented of masonry mortars prepared with varying quantities of electric-arc furnace slag (EAFS) and ladle furnace slag (LFS) in the same mixtures, in substitution of natural fine aggregate. The behavior of the mortars subjected to freeze-thaw cycles, wet-dry cycles, marine environments, salt crystallization tests, and indust...

La invención tiene como objetivo la utilización de residuos siderúrgicos en la elaboración de conglomerados de cal para la construcción. Para la fabricación de los morteros se utilizan indistintamente cal aérea o cal hidráulica como conglomerante, además de subproductos industriales obtenidos en la fabricación del acero, en forma de escoria negra d...

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...

The simultaneous application of electric arc furnace slag and ladle furnace white slag, in substitution of natural fine aggregate in masonry mortars, is presented with the principal objective of achieving mixes that show a similar performance to conventional mortars. Materials dosed with steel slag fines at different levels of substitution (25%, 50...

Mortars made with Portland cement, sand, water and recycled polyurethane foam from industrial waste, including surfactants, are examined in this study. The research was carried out on the influences of the additives on the physical and mechanical properties of these recycled mortars. Results show that in spite of the porosity increase and apparent...

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...

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...

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...

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...

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...

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....

This paper describes the application of the methodology of Problem Based Learning (PBL) in the Course of Construction I of Interior Architecture Degree by University of Burgos. This teaching experience was carried out with a small group of students for three academic years, using bituminous materials module. The results obtained were analyzed takin...

This study concerns the fabrication of lightweight mortars in which varying quantities of sand were substituted by polyamide powder waste. The values of apparent density, mechanical resistances, permeability, and thermogravimetric analyses are characterised according to the amount of polyamide powder waste used into the mixtures. The microstructure...

A series of mortars subjected to accelerated corrosion in a humid environment form the basis for this study. In particular, we studied the corrosion behavior of steel reinforcement bars that were embedded in cement mortars that contained white ladle furnace slag in partial substitution for fines and cement. The effects were observed using computeri...

This study deals with the properties of a series of plasters containing different proportions of ladle furnace slag used as mineral aggregate. The tests characterize the influences of two admixtures: a superfluidifier to reduce the water absorption (sikaMix®) of mortar plaster and an adhesive emulsion to improve the surface adherence (sikaLatex®)....

New mix-designs of concrete, with specific particles packing (Fig. 1), containing photocatalytic fillers or polymer-based aggregates (Fig. 2), allow creating new functionalities. Characterization technics such as Raman/FT-IR spectroscopies and SEM/AFM observations are more and more useful to study the surface and the microstructure of concrete.

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...

Yeso de construcción fabricado a partir de sulfato cálcico dihidratado con diferentes sustituciones de yeso por poliamida en polvo reciclada.

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...

The study of mortars containing polymer wastes is a key-topic to create new construction materials for a sustainable development. This work deals with the characterization of the microstructure of lightweight mortars containing polymer waste powder, which are recycled such as aggregates. The observations of cross-sections and fractured samples usin...