Alfonso García-Santos

Alfonso García-Santos
Universidad Politécnica de Madrid | UPM · Departamento de Construcción y Tecnología Arquitectónicas

PhD

About

82
Publications
21,299
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297
Citations
Citations since 2016
17 Research Items
193 Citations
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2016201720182019202020212022010203040

Publications

Publications (82)
Article
Full-text available
In the search for methods to incorporate Phase Change Materials (PCM) into Portland cement mortar mixtures, PCM based on paraffins adhered to a silica-based matrix appear as a suitable option. However, paraffin particles have been observed to escape from the silica matrix when water is added. There are only limited data on how the use of such PCM a...
Article
Full-text available
Resumen Se analiza la relación entre la inversión inmobiliaria institucional que procede de los sistemas de previsión social, tales como fondos de pensiones, compañías aseguradoras, mutualidades laborales, etc. y la regeneración y activación del patrimonio arquitectónico, dotándolo de nueva vida y utilidad para el conjunto de la sociedad. La discu...
Article
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Resumen: Este artículo expone la metodología de trabajo desarrollada en las investigaciones del Departamento de Construcción y Tecnología Arquitectónicas de la UPM, basada en el concepto de ecoinnovación, y en la normativa AENOR de Ecodiseño (UNE-EN ISO 14006), en normativas relacionadas como la UNE-EN ISO 9001 y 14001, entre otras. Dicha metodolog...
Article
Full-text available
Resumen. La variación cromática de la superficie de las maderas de construcción, mediante la aplicación controlada superficial de ácidos incoloros en estado líquido permite establecer un modelo predictivo entre las maderas ensayadas y las maderas no ensayadas en esta investigación. El modelo predictivo obtenido está basado en ábacos, ordenados por...
Article
Full-text available
Se estudia el efecto que produce el envejecimiento natural en la variación cromática de la cerámica porosa cara vista tratada con hidrofugantes, teóricamente incoloros, seleccionados en función de su composición química. La cerámica es hidrofugada con cada producto, dejándola envejecer en ambiente natural durante doce meses, cuantificando cada mes...
Article
The aim of this research is to compare the uniformity of the color histograms of the RGB color space between the traditional surface treatment with fire against the controlled surface treatment of colorless acids in liquid state on construction timbers, developed by the authors. A "conceptual translation" is proposed as a starting point, from the p...
Article
Full-text available
All water repellent products, theoretically colorless, when applied superficially in the porous face ceramic, produce a chromatic variation in the color of the ceramic. The factors that influence the color variation are explored. The ceramic is selected according to its type of manufacture: manual, pressed and extruded, characterizing it considerin...
Article
Nanotechnology has favored the knowledge of materials, in terms of both behavior and atomic structure, at the nano-scale. Which has meant improving numerous products and creating new ones in almost all areas of science. In addition its multidisciplinary character will allow to be applied in the field of construction. This article presents some of t...
Article
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In recent years, nanotechnology has emerged as an excellent tool for choosing materials for the architectural design of spaces that are sensitive to bacteria, such as hospitals, clinics, etc. This article deals with the main finishes. Graphene provides incomparable possibilities thanks to its properties. Its high bactericidal activity allows improv...
Article
In recent years, nanotechnology has emerged as an excellent tool for choosing materials for the architectural design of spaces that are sensitive to bacteria, such as hospitals, clinics, etc. This article deals with the main finishes. Graphene provides incomparable possibilities thanks to its properties. Its high bactericidal activity allows improv...
Book
Full-text available
EURAU 2016 - In between scales - European Symposium on Research in Architecture and Urban Design. ABSTRACTS ISBN 978-606-638-140-6 529 pages 28-30th September 2016 UAUIM Bucharest http://eurau2016.uauim.ro/ Honor Committee Ministry of National Education and Scientific Research Ministry of Culture Emil Barbu Popescu – Honorary President of UAUIM Gu...
Article
Full-text available
The research analyses the variation of the surface chromatic properties, hue and brightness, sustained by the Portland cement mortar support, due to the application of anti-graffiti protective treatments. The test specimens were digitally analysed using a methodology based on the RGB model, which resulted in the image histogram values of each test...
Research
Full-text available
PANEL ACRISTALADO MODULAR PARA EDIFICACIONES. Resumen: Panel acristalado modular para edificaciones, que tiene un bastidor estructural (11) en el que van fijadas una ventana exterior (2) y una ventana interior (4),con una cámara de aire (3) entre ambas, junto con medios de intercambio de calor para el tratamiento del aire que circula por la cámara...
Article
Framing of unitized curtain walls is dimensioned to carry wind load without taking advantage of potential composite contribution of glass. Subsequently, it is unnecessarily deep, occupying valuable space, and protrudes to the inside, causing visual disruption. Moreover, it is generally made of high thermal conductivity metal alloys, contributing to...
Article
Full-text available
The variation of weight, absorption ratio and surface water level undergone by the ceramic support protected by the incorporation of a treatment with water repellent products is analyzed. The water repellent products are selected based on their chemical composition in six types, classified in monocomponent and bicomponent. The waterproofing of the...
Article
Full-text available
Not availableSe analiza la variación cromática que producen los productos hidrofugantes, teóricamente incoloros, para determinar cuál es el hidrofugante que menor variación produce en la cerámica. Se realiza una clasificación de la cerámica en función de su color (blanco, gris, ocre, rojo y marrón) y de los productos hidrofugantes en función de su...
Article
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The automation of domestic services began to be implemented in buildings since the late nineteenth century, and today we are used to terms like ‘intelligent buildings’, ‘digital home’ or ‘domotic buildings’. These concepts tell us about constructions which integrate new technologies in order to improve comfort, optimize energy consumption or enhanc...
Article
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Integrated automation may have a fundamental role in the architecture of the future. However, until today the home automation is not a factor taken into account from the architectural design and this impedes this discipline to be generalised in order to reshape the future of these new buildings. Therefore, there is a need for a thorough study of th...
Article
The adaptation of building constructions to energy saving requirements entails the study of the performance of constructive systems making up the building envelope. Since the façade is the envelope constructive system of greater impact, in terms of energy demand, the thermal characterisation of its components is of great interest. In this article,...
Article
Full-text available
Not availableSe analiza la variación de la tasa de absorción inicial y del nivel de agua superficial que sufre la cerámica porosa cara vista protegida por la incorporación de un tratamiento con productos hidrofugantes. Se selecciona la cerámica en relación con su proceso de fabricación: manual, prensado y extrusionado. Los productos hidrofugantes s...
Article
Full-text available
Energy storage by using latent heat with phase change materials (PCM), in construction, can produce improvements in the thermal conditioning of buildings and reduce energy consumption. For its possibility of use in building materials, the microencapsulated paraffin appears as a technological good alternative. This paper expose its application to ce...
Article
Full-text available
Energy storage by using latent heat with phase change materials (PCM), in construction, can produce improvements in the thermal conditioning of buildings and reduce energy consumption. For its possibility of use in building materials, the microencapsulated paraffin appears as a technological good alternative. This paper expose its application to ce...
Article
Lime renders are of great importance not only to enhance the appearance of the buildings, but also to protect and preserve old masonries. They constitute a specialized system, composed of several layers, in which each of them depends on the others and carries out some specific functions in order to assure a suitable performance of the whole. Knowle...
Article
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A proper understanding of the concept of sustainability requires an approach based on a critical reading of the international regulatory framework regarding environment and sustainability. While the concept of sustainability is easily understood, bringing it to the policy level presents many difficulties, accentuated in the case of the construction...
Article
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LCA has been traditionally concerned with product design, but by limiting the functional unit of an LCA to a building material or component, a number of functions that should be provided by buildings cannot be properly taken into account. Nowadays there is an intensive standardization process on building environmental assessment and CEN/TC 350 is d...
Article
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A study on gypsum mechanical resistance is presented. It is based or it’s reinforcing by means of synthetic polymer addition, either in fiber or in watery dispersion forms. The increase of gypsum mechanical characteristics is attempted, due to its relevant qualities like the following: abundance in Spain, low energetic cost, hadliness, and househol...
Article
Full-text available
Thermal energy storage has been linked to Architecture since ancient times, in large massive buildings through sensible heat. Latent heat storage —through phase change materials (PCMs) is another way of thermal storage, which has aroused great interest in recent decades. These materials, maintain constant temperature during the phase change while t...
Article
Full-text available
Chromatic variation, colour and luminosity, undergone by the ceramic support protected by the incorporation of a treatment with water repellent products, is analysed. A new methodology is suggested, based on RGB model where quantifiable values from each ceramic sample are obtained through digital measurement of the colour (image histograms), taking...
Article
Full-text available
Differential Scanning Calorimetry (DSC) is a thermal analysis technique which has been used for more than three decades to measure the temperatures and heat flows associated with transitions in materials as a function of time. Other techniques, are Differential Thermal Analysis DTA and Conventional Calorimetry. There is great uncertainty in the va...
Article
Full-text available
In this research the suitability of including PCM in gypsum boards to multiply their thermal energy storage capacity is demonstrated. So the thermal storage capacity of several constructive materials is evaluated and compared, whose use and application is similar to the gypsum boards: paneling of a wall and partition wall. An experimental facility...
Conference Paper
Full-text available
The variation of surface properties, COLOUR AND LUMINOSITY, on a ceramic support protected by water repellent products is analysed. The samples (treated and untreated) were analysed using digital processing. Quantifiable measures for each ceramic sample were obtained using computer programs. Different shades to the reference, were observed on the s...
Article
Purpose Traditional façade systems are at the point where the minimum comfort guarantees have peaked, showing hygrothermic performance deficiencies which result in higher heating consumption, which is why it is necessary to make improvements in design and building construction, especially in envelopes, for which efficient building enclosures should...
Article
Full-text available
This paper presents an adaptation of the Integral Masonry System (IMS) developed in Europe under the “AllWall System” trade name for concrete or clay, block or brick masonry walls using just mortar. In this case the system is modified for an adobe block infill to allow the construction of earthquake resistant housing in developing countries. When a...
Conference Paper
Full-text available
Traditional façade systems are at the point where the minimum comfort guarantees have peaked, showing hygrothermic performance deficiencies which result in higher heating consumption, which is why it´s necessary to make improvements in design and building construction, especially in envelopes, for which efficient building enclosures should be used,...
Article
Full-text available
Contemporary construction systems tend to be thinner, lighter and better insulated than ever, but usually lack thermal mass. In order to improve the indoor temperature and reduce the energy consumption in the lightweight building it is necessary to add thermal energy storage capacity to the construction elements. Phase change materials (PCM) have h...
Article
Full-text available
There are currently various universities and institutions developing research into the integration of photovoltaic systems in buildings, internationally known by its abbreviation in English, BIPV (Building Integrated Photovoltaics). Within this technology, one aspect stands out, considered innovative, the integration of hybrid models or cogeneratio...
Article
Full-text available
Traditional façade systems are at the point where the minimum comfort guarantees have peaked, showing hygrothermic performance deficiencies which result in higher heating consumption, which is why it´s necessary to make improvements in design and building construction, especially in envelopes, for which efficient building enclosures should be used,...
Article
Full-text available
El objetivo fundamental de este trabajo es describir el conjunto de tecnologías domóticas y sistemas inteligentes que posibilitarán y optimizarán los distintos prototipos que van a ser construidos dentro de los trabajos que se están desarrollando en el ámbito de la participación de la Universidad Politécnica de Madrid en el Concurso SOLAR DECATHLON...
Article
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La Universidad Politécnica ha sido seleccionada por el Departamento de Energía de Estados Unidos para participar en el concurso internacional para Universidades denominado SOLAR DECATHLON 2007. Dicho concurso consiste en el diseño y construcción de un prototipo de vivienda autosuficiente energéticamente, la cual será expuesta en el Mall de Washingt...
Article
Full-text available
The investigation analyses the variation of superficial properties, COLOUR and LUMINOSITY, hat the ceramic support protected by the incorporation of a protection with transparent painting undergoes, antigraffiti. The test pieces were analysed by digital procedures, obtaining quantifiable values of each ceramic sample by means of computer programs (...
Article
The microstructure characterization and mechanical properties of a reinforced cement by the introduction of polypropylene fibres creating a composite material with a reduction of the weight and possible regulation of the times of setting has been carried out. A detailed microstructure determination has been made first time by environmental scanning...
Article
Full-text available
The tiny Gaudí School that once stood at the foot of the ‘Sagrada Familia’ is a gem of modernist brick architecture that has been overshadowed and even trampled on (for 7 years, from 1995 to 2002) by its gigantic neighbour, an atrocity that met with the same indifference as a beggar outside a church door. It was built in 1909 as a provisional struc...
Article
The investigation analyses the variation of superficial properties, COLOUR and LUMINOSITY, hat the ceramic support protected by the incorporation of a protection with transparent painting undergoes, antigraffiti. The test pieces were analysed by digital procedures, obtaining quantifiable values of each ceramic sample by means of computer programs (...
Article
La Universidad Politécnica de Madrid ha sido seleccionada para participar en un concurso internacional de diseño, construcción y demostración de una vivienda solar autosuficiente que, sin renunciar a las comodidades de un hogar moderno, sepa conciliar la integración de nuevas tecnologías y el respeto a su entorno. La aventura, denominada Solar Deca...
Article
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The Universidad Politécnica de Madrid (UPM) has been selected to participate in an international design and construction contest of a self-sufficient solar house. The goal is to build something that would be both, comfortable and capable of dealing with modern equipments, and beyond that, finding harmony between technology and environment. This adv...
Article
Se realiza un resumen de las investigaciones realizadas sobre los refuerzos de la escayola con adiciones binarias de fibras y dispersiones poliméricas (patente P2001-02532 titulada “Placas de escayola o yeso reforzadas con adiciones binarias de fibras de polipropileno y dispersiones de melamina-formaldehído’’). El refuerzo consigue un yeso o una es...
Article
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This summary addresses the research conducted on scagliola reinforced with binary additions of fibres and polymer particles (patent P2001-02532 titled (in Spanish) “Scagliola or plaster tiles reinforced with binary additions of polypropylene fibres and melamine-formaldehyde particles”). The very strong plaster or scagliola obtained with this t...
Article
Full-text available
The present investigation deals with the microstructural characterization of a composite material, which is comprised of polypropylene fibers in an cement matrix, by means of environmental scanning electron microscopy (ESEM) and field emission scanning electron microscopy (FESEM). The microstructure of the different phases that compose the matrix i...
Article
Full-text available
The present investigation deals with the microstructural characterization of a composite material, which is comprised of polypropylene fibers in an cement matrix, by means of environmental scanning electron microscopy (ESEM) and field emission scanning electron microscopy (FESEM). The microstructure of the different phases that compose the matrix i...
Article
The present research analyses the possibility to reinforce gypsum using enea fibres (Typha Latifolia) creating a compound material in wich the fibres contribute to increase mechanical resistance, producing as well a reduction of the weight and a possible regulation of the set time.
Article
The present research analyses the possibility to reinforce gypsum using enea fibres (Typha Latifolia) creating a compound material in wich the fibres contribute to increase mechanical resistance, producing as well a reduction of the weight and a possible regulation of the set time. La investigación presente analiza la posibilidad de reforzar los m...
Article
Full-text available
The actual research study, carried out in the Laboratory of Construction Materials of the ETSAM., analyses the modifications in superficial properties (regarding colour and texture) of grey Portland cement mortars due to the use of different formworks release agents (car oil, mineral oil and paraffin) and to the addition of plastic superplasticiser...
Article
The actual research study, carried out in the Laboratory of Construction Materials of the ETSAM., analyses the modifications in superficial properties (regarding colour and texture) of grey Portland cement mortars due to the use of different formworks release agents (car oil, mineral oil and paraffin) and to the addition of plastic superplasticiser...