Investigación

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Documentos generados por los docentes e investigadores de la Universidad en su labor de investigación científica producida o editada por los departamentos y centros de la Universitat Politècnica de València.

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Now showing 1 - 13 of 13

3D Point Cloud and GIS Approach to Assess Street Physical Attributes
(MDPI AG, 2024-06) Orozco Carpio, Patricio Rodrigo; Viñals Blasco, Mª José; López González, María Concepción; Dpto. de Expresión Gráfica Arquitectónica; Dpto. de Ingeniería Cartográfica Geodesia y Fotogrametría; Escuela Técnica Superior de Arquitectura; Centro de Investigación en Ingeniería Mecánica; Escuela Técnica Superior de Ingeniería de Edificación; Centro de Investigación en Métodos de Producción de Software - ProS; Centro de Investigación en Arquitectura, Patrimonio y Gestion para el desarrollo Sostenible; AGENCIA ESTATAL DE INVESTIGACION; Universitat Politècnica de València
[EN] The present research explores an innovative approach to objectively assessing urban streets attributes using 3D point clouds and Geographic Information Systems (GIS). Urban streets are vital components of cities, playing a significant role in the lives of their residents. Usually, the evaluation of some of their physical attributes has been subjective, but this study leverages 3D point clouds and digital terrain models (DTM) to provide a more objective perspective. This article undertakes a microurban analysis of basic physical characteristics (slope, width, and human scale) of a representative street in the historic centre of Valencia (Spain), utilizing 3D laser-scanned point clouds and GIS tools. Applying the proposed methodology, thematic maps were generated, facilitating the objective identification of areas with physical attributes more conducive to suitable pedestrian dynamics. This approach provides a comprehensive understanding of urban street attributes, emphasizing the importance of addressing their assessment through advanced digital technologies. Moreover, this versatile methodology has diverse applications, contributing to social sustainability by enhancing the quality of urban streets and open spaces.
Análisis gráfico del proyecto, el sistema constructivo y la estructura de la Fundación Calouste Gulbenkian de Lisboa
(Universidad Autónoma de Encarnación, 2022-04-02) Eixerés Ros, Josep; Giménez Ribera, Manuel; Cabrera Fausto, Ivan; Dpto. de Expresión Gráfica Arquitectónica; Escuela Técnica Superior de Arquitectura; Dpto. de Mecánica de los Medios Continuos y Teoría de Estructuras; Centro de Investigación en Ingeniería Mecánica; Centro de Investigación en Métodos de Producción de Software - ProS; Centro de Investigación en Arquitectura, Patrimonio y Gestion para el desarrollo Sostenible
[EN] On his death in 1955, Calouste Gulbenkian left his legacy to the Government of Portugal, favoring the creation of one of the most sensitive architectures in the country, the Calouste Gulbenkian Foundation. Through the language of architecture, drawing, the project is studied by means of the analysis of the original drafts and blueprints. Issues such as use, presentation modes and graphic techniques define the components of any drawing, whose ultimate goal is to contribute to the evolution and development of architecture. Drawings made from an existing reality are intended, not much for the interest that reflects its documentary quality, but for an analysis material for the complete understanding of the work, from the history of the place to the structural solutions developed for each of the projected buildings.
Analysis of the Current Status of Sensors and HBIM Integration: A Review Based on Bibliometric Analysis
(MDPI AG, 2024-04) Vieira de Souza Rolim, Renan Cornélio; López González, María Concepción; Viñals Blasco, Mª José; Dpto. de Expresión Gráfica Arquitectónica; Dpto. de Ingeniería Cartográfica Geodesia y Fotogrametría; Escuela Técnica Superior de Arquitectura; Centro de Investigación en Ingeniería Mecánica; Escuela Técnica Superior de Ingeniería de Edificación; Centro de Investigación en Métodos de Producción de Software - ProS; Centro de Investigación en Arquitectura, Patrimonio y Gestion para el desarrollo Sostenible; Ministerio de Universidades; AGENCIA ESTATAL DE INVESTIGACION; Universitat Politècnica de València
[EN] This article presents a bibliometric analysis conducted on the implementation of sensor extracted data in the context of Historical Building Information Modeling (HBIM) with a focus on the conservation of heritage buildings. The study utilized recognized databases, namely, Web of Science (WoS) and Scopus. A bibliometric analysis methodology was applied, employing the VOSviewer 1.6.19 software. The results obtained provide a robust overview of the current state and trends in HBIM and sensor research and enabled the identification of emerging trends in the field of preventive conservation. Three promising trends were identified, establishing connections between this field and 4D spatial data management, energy performance, and artificial intelligence. Additionally, relations with climate change were also detected. These trends underscore a significant convergence of technologies and methodologies in the realm of heritage building conservation. The conclusions serve as a valuable contribution to guiding future research in the field of built heritage conservation.
Analysis of tourist flows and the comfort of guided tours in the Seu-Cathedral district of Valencia using participant observation and digital itinerary monitoring tools
(Editorial Universitat Politècnica de València, 2024-07-10) Teruel, Maria-Dolores; Viñals Blasco, Mª José; Orozco Carpio, Patricio Rodrigo; Dpto. de Expresión Gráfica Arquitectónica; Dpto. de Ingeniería Cartográfica Geodesia y Fotogrametría; Escuela Técnica Superior de Arquitectura; Centro de Investigación en Ingeniería Mecánica; Escuela Técnica Superior de Ingeniería de Edificación; Centro de Investigación en Métodos de Producción de Software - ProS; Centro de Investigación en Arquitectura, Patrimonio y Gestion para el desarrollo Sostenible
[ES] One of the challenges facing tourist destinations is to increase knowledge about aspects such as security concerning its implementation, measurement and evaluation to ensure the comfort of the visit. Tourist groups, both spontaneous and organised, that pass through the historic centre of a city are a permanent and fundamental element in the development of the tourist experience. However, it is necessary to know the routes taken by the guided groups to avoid concentrations of visitors that could impede mobility and hinder the daily lives of other residents. To obtain more information about this tourist activity, this study focuses on the study of the group's situations of insecurity and discomfort during the tour. The methodology consisted of participant observation on the routes usually followed by these guided groups applied to the Seu-Cathedral neighbourhood in Valencia. The Wikilocs tool was also used to monitor the route and detect the number of encounters and places of congestion. The results point to the need to plan the safety aspects of the visits, especially traffic and transit obstacles, the identification of congestion situations and the holding of periodic events, as well as the study of shaded areas and the incorporation of outdoor furniture to increase the number of visitors.
Comparative analysis of point clouds acquired from a TLS survey and a 3D virtual tour for HBIM development
(Copernicus Publ., 2023) Liu, J.; Willkens, D.; López González, María Concepción; Cortés Meseguer, Luis; García Valldecabres, Jorge Luis; Escudero, Pablo Ariel; Alathamneh, S.; Centro de Investigación en Arquitectura, Patrimonio y Gestion para el desarrollo Sostenible; Dpto. de Construcciones Arquitectónicas; Centro de Investigación en Ingeniería Mecánica; Centro de Investigación de Tecnología de la Edificación; Dpto. de Expresión Gráfica Arquitectónica; Escuela Técnica Superior de Ingeniería de Edificación; Centro de Investigación en Métodos de Producción de Software - ProS; AGENCIA ESTATAL DE INVESTIGACION
[EN] This paper presents a comparative analysis of point clouds acquired from a terrestrial laser scanner (TLS) survey and a 3D virtual tour using Matterport technology for heritage building information modeling (HBIM) development. The study uses the Cloister of the Royal College of Corpus Christi Seminary, an important cultural heritage site in Valencia, Spain, as a case study. The point clouds from the TLS survey and Matterport scans were compared both quantitively in CloudCompare software and visually to assess their accuracy and quality. The Matterport point cloud data was found to be slightly lower in quality and accuracy compared to the TLS data, but still sufficient for developing some low-tolerance geometry in the HBIM model. The study shows that Matterport point cloud data has potential to supplement TLS scans, particularly in areas missed during the TLS survey due to range limitations. Matterport technology is accessible, affordable, and easy to use, making it a feasible option for heritage sites with limited resources. Moreover, Matterport technology captures high-quality visual data, including color and texture, providing a detailed representation of the heritage site. Thus, Matterport technology can be a valuable contribution to cultural heritage documentation and preservation, particularly for sites requiring a quick and efficient surveying process. The findings of this research offer insights into the relative advantages and limitations of these two reality capture techniques for cultural heritage documentation and preservation, and could potentially inform decision-making processes for future heritage preservation projects.
Complex Spaces in HBIM Models: Volumetric Visualization for a Data Insertion
(Editorial Universitat Politècnica de València, 2024-07-24) Vieira de Souza Rolim, Renan Cornélio; Dpto. de Expresión Gráfica Arquitectónica; Centro de Investigación en Ingeniería Mecánica; Escuela Técnica Superior de Ingeniería de Edificación; Centro de Investigación en Métodos de Producción de Software - ProS; Centro de Investigación en Arquitectura, Patrimonio y Gestion para el desarrollo Sostenible; Ministerio de Ciencia e Innovación
[ES] In recent years, digital technologies are increasingly being used to document and monitor heritage buildings, acting as decision support tools for technicians and managers working in these buildings. Among the most widely used tools, HBIM (Heritage Building Information Modeling) as a methodology for virtual documentation of information on heritage buildings and their life cycle, and sensors as tools for recording environmental data of extreme relevance for preventive conservation, maintenance and visitor management in heritage buildings stand out. This paper presents a 3D modelling process using BIM software, where the model allows a more accurate measurement of the volume of interior spaces in rooms bounded by complex ceilings. This process also makes it possible to visualise the spatial volume in 3D as well as to attribute informative parameters to it. For this purpose, the vaults of the church of the Real Colegio-Seminario del Patriarca in Valencia, Spain, have been used as a case study.
Geospatial Tools for Determining Visitor Carrying Capacity in Tourist Streets and Public Spaces of Historic Centres
(MDPI AG, 2023-11-06) Orozco Carpio, Patricio Rodrigo; Viñals, María José; Escudero, Pablo Ariel; Vieira de Souza Rolim, Renan Cornélio; Dpto. de Expresión Gráfica Arquitectónica; Centro de Investigación en Ingeniería Mecánica; Escuela Técnica Superior de Ingeniería de Edificación; Centro de Investigación en Métodos de Producción de Software - ProS; Centro de Investigación en Arquitectura, Patrimonio y Gestion para el desarrollo Sostenible; Ministerio de Ciencia e Innovación
[EN] This paper presents a methodology for using geospatial tools to enact efficient tourism planning and management in streets and other public spaces in historic centres. The study uses 3D laser scanning, GIS, and spatial data processing techniques to analyse the visitor carrying capacity of streets near cultural attractions. The methodology was tested on Miguelete Street in València (Spain), next to the Cathedral. The results show that these digital tools are efficient and accurate for the spatial analysis of visitor carrying capacity studies.
GIS and HBIM for tourism management: a multiscale challenge
(Editorial Universitat Politècnica de València, 2024-07-10) Orozco Carpio, Patricio Rodrigo; Vieira de Souza Rolim, Renan Cornélio; Dpto. de Expresión Gráfica Arquitectónica; Centro de Investigación en Ingeniería Mecánica; Escuela Técnica Superior de Ingeniería de Edificación; Centro de Investigación en Métodos de Producción de Software - ProS; Centro de Investigación en Arquitectura, Patrimonio y Gestion para el desarrollo Sostenible; Agencia Estatal de Investigación; Gobierno de España; Universitat Politècnica de València
[ES] Historic cities present complex management challenges, requiring strategies that balance cultural preservation with planning and enhancement efforts, particularly in the context of tourism activities. Digital twins, which integrate various data sources to create spatial databases, offer a promising solution to this challenge, enabling comprehensive views of urban environments and historical structures. Among the key tools employed in this digital transformation are Historic Building Information Modelling (HBIM) and Geographic Information Systems (GIS). HBIM provides detailed representations of historical structures, while GIS offers spatial analysis tools for organizing and visualizing data at larger scales, crucial for tourist management. The integration of these tools facilitates informed decision-making processes and supports the development of smart tourist cities. However, to achieve this, it is first necessary to define the levels of information that will be addressed for both. In this document, various elements levels are proposed considering different scales, along with the levels of geometric and semantic complexity they may have. Additionally, it is explored how these data can be represented within a GIS platform.
Restoration Site sheet GIS: Use of Digital Tools for Collecting Data on Heritage Site intervention
(Editorial Universitat Politècnica de València, 2024-07-24) Ciaffoni, Valentina; Orozco Carpio, Patricio Rodrigo; Dpto. de Expresión Gráfica Arquitectónica; Centro de Investigación en Ingeniería Mecánica; Escuela Técnica Superior de Ingeniería de Edificación; Centro de Investigación en Métodos de Producción de Software - ProS; Centro de Investigación en Arquitectura, Patrimonio y Gestion para el desarrollo Sostenible; Ministerio de Ciencia e Innovación; Sapienza Università di Roma
[ES] This contribution aims to illustrate the author's research work within the research group HBIMSIG-Turismo at the Universitat Politècnica de València. The research between Rome and Valencia connects two investigative realities in different fields and locations through an exchange and collaboration. The investigation intends to define a digital methodology for recovering the knowledge emerging from restoration site interventions on “widespread” cultural heritage. Conservation interventions represent fundamental moments in the history of buildings as they allow for a direct understanding of the material reality of the asset. Therefore, preserving the memory of these interventions is crucial to ensuring thorough and updated knowledge of the heritage and for the virtuous management of future interventions on the asset. The illustrated case study is situated in the historic centre of the city of Rome, in the ancient Rione Parione. The protection of widespread private heritage is extremely complex in this tourist area. The interventions subject to archiving involve the external surfaces of two buildings that are part of a vast and varied heritage within the multi-layered historic city. The authors have defined an operational tab called the Restoration Site sheet to collect and share information related to these interventions. This digital database guides the user in filling it out. Sharing the research group's experience regarding the tourist management of the public space adjacent to the Cathedral of Valencia has enabled the integration of the digital Restoration Site sheet within a georeferenced GIS model. This work illustrates the methodology used to integrate geometric-spatial data into a semantic model (database) designed to meet a specific need: preserving the memory of conservation site interventions on cultural heritage.
Scan-to-HBIM: automated transformation of point clouds into 3D BIM models for the digitization and preservation of historic buildings
(Universitat Politècnica de València, 2023-12-21) Escudero, Pablo Ariel; Dpto. de Expresión Gráfica Arquitectónica; Centro de Investigación en Ingeniería Mecánica; Escuela Técnica Superior de Ingeniería de Edificación; Centro de Investigación en Métodos de Producción de Software - ProS; Centro de Investigación en Arquitectura, Patrimonio y Gestion para el desarrollo Sostenible
[EN] Three-dimensional digital models of historical buildings must seamlessly integrate a wide array of data from diverse sources, including point clouds, alphanumeric information, 2D and 3D representations, BIM, GIS, images, sensor data, and real-time information streams, among other heterogeneous resources. Centralizing and presenting this multifaceted information cohesively is fundamental for fostering a comprehensive understanding and analysis of these historical monuments. In this context, the article introduces an automated process (Scan-to-HBIM) tailored specifically to transform point clouds into threedimensional models within BIM environments. This innovative approach not only enhances the accuracy in representing historic buildings but also significantly amplifies the level of detail (LoD), enabling a more nuanced representation of architectural structures. The article delves into the Scan-to-HBIM process, elucidating its relevance in the broader context of digitization and preservation of historic buildings, with a particular focus on its application to a sample point cloud. Furthermore, it underscores the pivotal advantages of this approach, emphasizing its proficiency in managing diverse datasets, elevating the level of detail, and exploring practical applications in both BIM and GIS realms.
The blue domes of Valencia: the challenge of their digitisation
(Editorial Universitat Politècnica de València, 2024-07-10) Cortés Meseguer, Luis; García Valldecabres, Jorge Luis; Escudero, Pablo Ariel; Dpto. de Expresión Gráfica Arquitectónica; Dpto. de Construcciones Arquitectónicas; Centro de Investigación en Ingeniería Mecánica; Escuela Técnica Superior de Ingeniería de Edificación; Centro de Investigación en Métodos de Producción de Software - ProS; Centro de Investigación en Arquitectura, Patrimonio y Gestion para el desarrollo Sostenible; Centro de Investigación de Tecnología de la Edificación
[ES] The blue domes are perhaps the architectural element that best defines Valencian architecture. These structures, present in numerous historic and religious buildings, beautify the urban landscape and represent the region’s rich cultural and artistic heritage. However, despite their importance, no clear strategic plan exists for their enhancement and conservation. Creating a specialised digital repository for the blue domes of Valencia is an urgent necessity. This repository should include a comprehensive typological classification, documenting each dome's architectural and stylistic characteristics. Advanced technologies such as 3D scanning and photogrammetry can capture and store precise details of these structures. The HBIM methodology can be beneficial, allowing for the integration of detailed data on each dome's construction, materials, and conservation status. A well-organised repository would not only facilitate better heritage management but could also be linked to cultural tourism. Valencia has great potential to attract tourists interested in architecture and history. Promoting tourist routes centred on the blue domes can increase the visibility and cultural value of these elements. Furthermore, the repository could be vital for academic and professional research. Researchers, art historians, and architects would have access to a complete and detailed database, facilitating studies and conservation projects.
The Common Data Environment in Monument Master Plans
(Editorial Universitat Politècnica de València, 2024-07-10) García Valldecabres, Jorge Luis; Cortés Meseguer, Luis; Escudero, Pablo Ariel; Dpto. de Expresión Gráfica Arquitectónica; Dpto. de Construcciones Arquitectónicas; Centro de Investigación en Ingeniería Mecánica; Escuela Técnica Superior de Ingeniería de Edificación; Centro de Investigación en Métodos de Producción de Software - ProS; Centro de Investigación en Arquitectura, Patrimonio y Gestion para el desarrollo Sostenible; Centro de Investigación de Tecnología de la Edificación
[ES] This contribution addresses the digital twin's shared data environment (CDE) role in Master Plans of Monumental Buildings. The essential objective is the preservation of immovable properties for future generations. Researchers in the cultural heritage field have used digital tools to document historic buildings and preserve them infinitely digitally. The question is whether the digital twin and its application can help achieve sustainable building and environment management.The primary document will always be the building itself. However, within conservation, restoration, or maintenance, it is necessary to have an extensive documentary archive where interventions are recorded. The older the monument, the greater the knowledge of the built element must be acquired before any intervention, which requires much time in previous research. Technological advancements and digital repositories make it easier to create digital platforms within Heritage Building Information Modelling (HBIM) because we work with historic buildings.The digital twin is a shared data environment and is a management and recovery tool for architectural heritage. To develop this work, it has been necessary to collaborate with expert stakeholders involved in the management of buildings throughout their life cycles.
The Use of Sense of Presence in Studies on Human Behavior in Virtual Environments: A Systematic Review
(MDPI AG, 2023-12) Barranco Merino, Robi; Higuera-Trujillo, Juan Luis; Llinares Millán, María del Carmen; Dpto. de Expresión Gráfica Arquitectónica; Dpto. de Organización de Empresas; Escuela Técnica Superior de Arquitectura; Instituto Universitario de Investigación en Tecnología Centrada en el Ser Humano; Centro de Investigación en Ingeniería Mecánica; Escuela Técnica Superior de Ingeniería de Edificación; Centro de Investigación en Métodos de Producción de Software - ProS; GENERALITAT VALENCIANA; AGENCIA ESTATAL DE INVESTIGACION
[EN] Sense of presence is a key element of the user experience in the study of virtual environments. Understanding it is essential for disciplines, such as architecture and environmental psychology, that study human responses using simulated environments. More evidence is needed on how to optimize spatial presence in simulations of built environments. A systematic review was conducted to define the use of sense of presence in research on human behavior in virtual spaces. Conceptualized dimensions, measurement methodologies, simulation technologies and associated factors were identified. The study identified a diversity of approaches and the predominance of subjective measures over sense of presence indicators. Several studies noted that environmental variables and spatial typologies had significant effects on presence. The results showed that different user profiles responded to stimuli in different ways. The results emphasized the importance of conceiving the construct in interrelation with the built context. A more comprehensive and multidisciplinary orientation is required to identify principles that optimize the spatial experience in virtual environments. This will be important for disciplines that research the human experience using virtual environments.

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