Browsing by Author "Bock, Thomas"
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Item A Conceptual Design of an Integrated Façade System to Reduce Embodied Energy in Residential Buildings(Multidisciplinary Digital Publishing Institute (MDPI), 2020-07) Pan, Wen; Iturralde, Kepa; Bock, Thomas; Martinez, Roberto Garay; Juez, Olga Macias; Finocchiaro, Pietro(1) The overall energy requirement of a building may be impacted by the building design, the selection of materials, the construction methods, and lifecycle management. To achieve an optimum energy-efficiency level when dealing with a new building or renovation project, it is important to improve the entire construction process as it is not enough to merely focus on the operational phase. If conventional construction practices do not evolve, compromise, or adapt to necessary changes, then it becomes challenging to deliver an ultimate low energy building. (2) This paper demonstrates the trend of off-site prefabrication and its production principles and the notions of open-building design and Design for X, as well as offering an overview of the development of automation in construction, which provides both insights and evaluations based on the context of the research. (3) Three European Union Horizon 2020 research projects were evaluated, and the outcome of the projects served as the backbone for the research and inspired the design of the proposed integrated façade system. Two design scenarios were proposed to demonstrate the potential improvements that could be achieved in a new build as well as in renovation projects. (4) The research lays a foundation for establishing a larger cross-disciplinary collaboration in the future.Item SOLUTIONS FOR DIGITISATION AND PREFABRICATION IN THE ENERGY REFURBISHMENT OF BUILDINGS(2020-02) Tellado-Laraudogoitia, Nagore; Lasarte, Natalia; Macías, Olga; Iturralde, Kepa; Bock, Thomas; Sebesi, Yvon; Tecnalia Research & Innovation; E&I SEGURAS Y RESILIENTES; EDIFICACIÓN DE ENERGÍA POSITIVAThe objective of this study is to evaluate the practical application of a digital process for the buildings’ energy rehabilitation using prefabricated modules. The literature is extensive in this aspect, numerous technologies are mentioned for the digitalization of buildings’ rehabilitation process (BIM, laser scanner, drones, etc.), and there are also many prefabricated products for rehabilitation, but its introduction in the market is still very limited. This is due in part to the uncertainty in its practical application, and the difficulties that may entail changing processes, digitizing them, and integrating innovations in a sector as conservative as construction. Within BERTIM project, prefabricated wooden modules that integrate both carpentry and HVAC distribution networks and a methodology for the energy rehabilitation of buildings through a digitalized process have been developed. These developments have been implemented in two buildings which has allowed to identify the main barriers and difficulties that construction companies encounter in the execution. The main difficulties are: i) the method of capturing building data for the generation of its BIM model, ii) the integration of the HVAC distribution networks into the modules iii) the installation procedure of the modules on the existing building façade so that minimum execution times are ensured even in façades with many deviations and a large lack of verticality. This study addresses these difficulties and proposes practical solutions that will allow industrials to implement digital processes and will foster the use of prefabricated modules in the buildings’ energy rehabilitation.