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Academic literature on the topic 'Lightweight façade systém'
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Journal articles on the topic "Lightweight façade systém"
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Pracucci, Alessandro, Sara Magnani, and Oscar Casadei. "The Integration of Vacuum Insulated Glass in Unitized Façade for the Development of Innovative Lightweight and Highly Insulating Energy Efficient Building Envelope—The Results of Eensulate Façade System Design." Designs 4, no. 4 (2020): 40. http://dx.doi.org/10.3390/designs4040040.
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The European Commission has identified the building industry as one of the key sectors to achieve its 2020 strategy to create conditions for smart, sustainable, and inclusive growth. In this frame, the aim of Horizon 2020′s Eensulate project is the development of innovative lightweight and highly insulating energy efficient unitized building façades, suitable for both new and existing buildings. The Eensulate façade module integrates two components developed within the project: Vacuum Insulated Glass (VIG) for architectural purposes, with a U-value of 0.3 W/sqm∙K; a highly insulating foam for automated manufacturing and insulation for the spandrel part. This article presents the Eensulate façade system design simulations and achievements related to VIG integration to solve issues that emerged by the utilization of its innovative components (sealant thermal bridge and getter strips). VIG design and testing have gradually changed the façade module and consequently, façade components have been progressively designed to achieve the expected target of 0.641 W/sqm∙K for thermal transmittance. The results demonstrate that the target can be achieved by aluminum profiles, Ethylene Propylene Diene Monomer (EPDM) thermal bridge, and additional insulating components, obtaining a new product for unitized façades able to reduce energy consumption in buildings with large glass surfaces.
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Zamora Mestre, Joan Lluis, and Andrea Niampira. "Lightweight ventilated façade: Acoustic performance in laboratory conditions, analysing the impact of controlled ventilation variations on airborne sound insulation." Building Acoustics 27, no. 4 (2020): 367–79. http://dx.doi.org/10.1177/1351010x20916719.
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The use of double-sheet enclosures with an intermediate non-ventilated air cavity guarantees a higher airborne sound insulation. The insulation advantages depend on air tightness and the placement of sound absorbing material in the air cavity. The lightweight ventilated façade is a system constructed by the addition of an external light cladding on a heavy single wall to establish an intermediate air cavity. This air cavity can be ventilated under controlled cooling effects, because of Sun’s radiation, and to reduce the risk of dampness caused by rainwater. Owing to this ventilation, acoustic insulation of the lightweight ventilated façade could be less effective. However, some authors indicate that air cavity moderate ventilation does not necessarily lead to a significant reduction in the airborne sound insulation. The authors previously verified this situation in a real building where the existing façade of masonry walls was transformed into a lightweight ventilated façade. The preliminary results indicate the acoustic benefits can be compatible with the hygrothermal benefits derived from controlled ventilation. This article presents the next step, the evaluation of the lightweight ventilated façade acoustic performance under laboratory conditions to revalidate the previous results and refining aspects as the air cavity thickness or the state of openings ventilation. The main results obtained indicate that the airborne sound insulation in laboratory is aligned with the previous results in a real building. Air cavity thickness from 110 to 175 mm and ventilation openings from 0% to 3.84% of the façade area does not lead to a significant reduction in the airborne sound insulation.
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Boulic, Léa, Pierluigi D’Acunto, Federico Bertagna, and Juan José Castellón. "Form-driven design of a bending-active tensile façade system." International Journal of Space Structures 35, no. 4 (2020): 174–90. http://dx.doi.org/10.1177/0956059920931021.
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This article highlights the design potentials of a recently proposed form-driven approach for bending-active tensile structures, in which the geometry of the actively bent elements can be directly defined without the recourse to a form-finding procedure. The approach is applied to the design of a lightweight sun-shading system that can be used to protect glazed building façades, and in which actively bent beams are restrained by pre-stressing strips. Other than structural requirements, the geometry of this hybrid structure is informed by functional and environmental considerations to prevent overheating and glare inside the building.
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Fadai, Alireza, Matthias Rinnhofer, and Wolfgang Winter. "Development of Timber-Wood Lightweight Concrete-Glass Composite for Multi-Story Façades." Applied Mechanics and Materials 887 (January 2019): 30–39. http://dx.doi.org/10.4028/www.scientific.net/amm.887.30.
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Within several research projects and with the aim to optimize structural performance, energy efficiency and ecological characteristics of structural building components the Department of Structural Design and Timber Engineering (ITI) at the Vienna University of Technology (TU Wien) developed several wood-based composite systems, which combine timber products with other conventional building materials and components. As a representative example for these developments, this paper illustrates the results of the joint research project “Wood-based concrete: building construction with composite elements of wood-concrete compounds and timber (WooCon)”. The objective of the research project “WooCon” is to develop a multi-layer wall system composed of wood lightweight concrete (WLC), connected timber sections, textile reinforcement as well as glass layers on the exterior to gain and use advantages of each used material - lightweight, structural, thermal storage and insulation, ecological and economic benefits - to name the most important ones. In order to assess the structural physical properties of wood-based composite wall elements, in a first step measurements of the thermal properties with respect to thermal-insulating properties and thermal storage capacity are carried out. In following step, the results obtained are used further to simulate the thermodynamic and hygrothermal building behavior. The aim of the simulations is to investigate the effect of the wood-based composite wall elements to the annual heating demand as well as to the operative room temperature of a typical south-orientated living space.
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Cianfrini, Claudio, Massimo Corcione, Emanuele Habib, and Alessandro Quintino. "Energy performance of a lightweight opaque ventilated façade integrated with the HVAC system using saturated exhaust indoor air." Energy and Buildings 50 (July 2012): 26–34. http://dx.doi.org/10.1016/j.enbuild.2012.03.014.
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Leśniak, Agnieszka, and Monika Górka. "Structural Analysis of Factors Influencing the Costs of Facade System Implementation." Applied Sciences 10, no. 17 (2020): 6021. http://dx.doi.org/10.3390/app10176021.
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External facades of buildings and other structures shape the image of every building, creating the architecture of cities. Traditional concrete forms, as a symbol of durability and stability, have been replaced by lightweight enclosures—for example, in the form of aluminium–glass facades and ventilated facades. In this paper, the authors attempt to verify the strength of influence and relations between the identified factors shaping the costs of facade system implementation using structural analysis. On the basis of the collected quantitative and qualitative data obtained as a result of research on design documentation and cost estimates of implemented public buildings, as well as on the basis of interviews conducted among experts, factors which have a real impact on the costs of facade systems in the form of aluminium and glass facades and ventilated facades were identified. The indicated factors were analysed and classified using the method of structural analysis, namely the MICMAC method (refers to the French acronym for Cross-Impact Matrix Multiplication Applied to Classification). Particular influences and relations between factors were examined. Finally, six groups of factors influencing the costs of facade systems were identified, including regulatory factors that do not have a very strong impact on the level of costs, but which show a strong correlation with other factors; determinants that have a very strong impact on the costs; and a group of external factors that show the smallest influence on the estimation of façade cost.
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Andreescu, Ioan, Vlad Alexandru Gaivoronschi, and Marius Mosoarca. "The Hidden Gem." Advanced Materials Research 778 (September 2013): 880–87. http://dx.doi.org/10.4028/www.scientific.net/amr.778.880.
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Timisoara is an important city situated in the westernmost corner of Romania. Its historic core was until late XIXth century a heavily defended citadel. The Great Synagogue in the Citadel, inaugurated by the Emperor Franz Josef I, is one of the most spectacular buildings of the city. A centrally shaped and domed building, enveloped in “moorish-andalusian” decorated façade, stands out for both the civic dignity of the newly emancipated Jewish community (1865), and its desire to integrate in the modern society. The beautifully ornamented massive brick building, covered by a central skylighted dome and surrounded by vaulted aisles also contains two exceptional wooden structures: the interior balconies including the orgue balcony and the roof structure over the vaults. Both are functional as well as ornamental, structurally and geometrically sophisticated and displaying high levels of craftsmanship. The ongoing project for the restoration of the Synagogue and its conversion into an auditorium revealed the complexities of the wooden structures – the lightweight and delicate balconies were able to sustain hundreds of worshippers for more than a century: the complex roofing system, stretched between the exterior tympans, the skylight of the dome and the exterior profile of the vaults, display elegance and minimalism. Both structures withstood the test of time, neglect and constant seismic activities. Maintaining these structures according to contemporary safety and risk management standards proved to be both a challenging and a rewarding opportunity.
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Ciampi, Giovanni, Yorgos Spanodimitriou, Niloufar Mokhtari, et al. "Improving the Passive Energy Performance of the Buildings’ Envelope in the Southern European Area: A Study on the Integration of a Tensile Material." TECNICA ITALIANA-Italian Journal of Engineering Science 65, no. 2-4 (2021): 345–52. http://dx.doi.org/10.18280/ti-ijes.652-431.
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In this paper, the energy and environmental impacts of a passive retrofit action, involving the installation, on an office building, of a second-skin system with the external layer made of a PVC-coated polyester fabric, were evaluated in terms of primary energy saving and carbon dioxide equivalent emissions. The primary energy consumption and the carbon dioxide equivalent emissions associated with the considered case studies were evaluated through the dynamic simulation software TRNSYS, across a whole year. The study was carried out considering five cities (Athens, Barcelona, Lisbon, Marseille and Naples) in five different countries in southern Europe upon varying the orientation of the two main façades of building (north-south and east-west orientation were considered). The office building was modeled in detail considering different construction characteristics upon varying the country. The simulation results highlight that the best results in terms of PES (equal to 22.4%) in Naples, while the best results in terms of CO2 (equal to 32.0 MgCO2,eq) were obtained when the building is located in Athens. In addition, the adoption of the proposed passive lightweight retrofit solution allowed the reduction of both cooling and thermal yearly energy demand up to 57.7% (Marseille) and 17.8% (Barcelona), respectively.
Dissertations / Theses on the topic "Lightweight façade systém"
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Muroň, Jakub. "Areál VUT Kraví hora." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-391848.
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The subject of this diploma thesis is to continue on the previous atelier work, which was focused on elaboration of a strategic urban-architectural study of the Kraví hora area and the BUT holding located there. A multifunctional facility, which would include activities that BUT still lacks, should be designed there. In any case, it should not be an extension of the teaching, research or accommodation capacities, since there have been built enough of these by BUT recently. At the same time, the proposed activities should not be controversial with the interests of the city. The BUT area at Kraví hora is one of the most valuable areas of the city of Brno. The city, which has tried to buy it from BUT several times, has an eminent interest in this area. However BUT considers it as its "family silver", because they realize its extraordinary value. Nevertheless, due to the binding regulatory conditions, construction possibilities are very limited. The aim of this study is to find such a use of this area, which would be a compromise corresponding to both the city's expectations and the needs of BUT. The intention of the previous project, which has been continued by this diploma thesis, was the removal of unsatisfactory buildings and the reduction of the garden colonies; despite to a study created by the City of Brno but partially kept, cultivated and reorganized; and rebuilding of the BUT area, which will be opened to the public and communicate with park. The public will obtain an access to nowadays inaccessible and impermeable areas by removing inappropriate buildings and fences, as well as by the modification of the public space and creating one major spine communication realized as an extension of the existing road and which will serve only for the supply, hikers and cyclists. The newly founded BUT complex with its strategic location on the top of Kraví hora hill and next to the observatory will invite large number of people not only from the surroundings but a
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Oliveira, Luciana Alves de. "Metodologia para desenvolvimento de projeto de fachacas leves." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/3/3146/tde-08092010-125813/.
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A vedação de fachada, incluindo esquadrias e revestimento, um dos mais relevantes subsistemas do edifício, é responsável pelas condições de habitabilidade e estética, contribui para a valorização do empreendimento e tem um papel importante com relação à sustentabilidade. Além disso, os custos de execução e de manutenção da fachada são expressivos com relação aos dos outros subsistemas. Pela sua importância técnica e econômica, as tecnologias construtivas responsáveis pela execução das fachadas, frequentemente, passam por evoluções, como o surgimento das tecnologias de fachadas leves, as quais podem ser empregadas em vários segmentos da construção. Dois desses segmentos são o da construção de edifícios comerciais e o de reabilitação ou renovação de edifícios. Entretanto, essas tecnologias ainda são carentes de desenvolvimentos tecnológicos nacionais mais específicos e projetos melhor elaborados, nos quais se considerem questões do processo de projeto e de execução, bem como do desempenho da fachada em uso, como segurança, eficiência energética, isolamento acústico, estanqueidade à água, durabilidade e manutenabilidade. Nesse contexto, o objetivo deste trabalho é propor uma metodologia para o desenvolvimento do processo de projeto de vedações de fachada, particularizados para as tecnologias de fachadas leves, para edifícios comerciais de múltiplos pavimentos, considerando tanto a possibilidade da construção quanto da renovação, discutindo-se aspectos de gestão e tecnologia. A proposição da metodologia foi baseada em estudos bibliográficos e em comparações entre exemplos reais do processo da produção de empreendimentos de construção e renovação no Brasil e na França. Dessa forma, o desenvolvimento e conclusão deste trabalho foram divididos em quatro grupos: estudos no Brasil; estudos na França; análise comparativa dos resultados desses estudos; e elaboração da metodologia e sua discussão. A metodologia proposta considera de forma sistêmica alguns aspectos do processo de projeto, particularizados para as tecnologias de fachadas leves, contemplando aspectos de gestão e de tecnologia, incorporando contribuições de um grupo de profissionais.<br>The facades are considered one of the most relevant building subsystems, contributing both to building valuation and its performance, and has a great importance concerning the sustainability. In addition, its execution and maintenance costs are expressive when compared to others subsystems. Because of its economical and technical importance, the façade technologies have been passing through constant evolution, for example the development of the lightweight façades system that can be used in many construction segments, as commercial building construction and building renovation. Although the use of lightweight façades technologies is increasing worldwide, its application in Brazil requires more precise researches regarding design and construction management and also performance requirements, as security, thermal and acoustic isolation, energy efficiency, watertightness, durability and maintenance. In this context, the objective of this work is to propose a methodology to develop the design process of the lightweight facade system for office buildings, applicable either to construction either to building renovation, discussing management and technology aspects. This work will be based on existing bibliography and on comparative study between Brazilian and French construction and renovation building practices. Thus, this work was divided in four stages: Brazilian studies; French studies; comparative analyses between these studies; and elaboration of the methodology. Concluding, the methodology proposed considers some aspects of the design process, particularized to lightweight façade technologies, taking into account management (agents, design management phases and aims, interfaces, technology selection and design and product critical analyses) and technological aspects (façade performance specifications).