Conferencia: Arquitectura & BIM

Digital innovation for design and heritage

30 de Mayo, Ancona, Italia.

#conferenze

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HIGH QUALITY SEMANTICALLY-AWARE 3D MODELING OF COMPLEX ARCHITECTURE

by Quattrini, Malinveni, Clini, Nespeca, Orlietti

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ABSTRACT:

In order to improve the framework for 3D modeling, a great challenge is to obtain the suitability of Building Information Model (BIM) platform for historical architecture. A specific challenge in HBIM is to guarantee appropriateness of geometrical accuracy. The present work demonstrates the feasibility of a whole HBIM approach for complex architectural shapes, starting from TLS point clouds.

A novelty of our method is to work in a 3D environment throughout the process and to develop semantics during the construction phase. This last feature of HBIM was analyzed in the present work verifying the studied ontologies, enabling the data enrichment of the model with non-geometrical information, such as historical notes, decay or deformation evidence, decorative elements etc. The case study is the Church of Santa Maria at Portonovo, an abbey from the Romanesque period. Irregular or complex historical architecture, such as Romanesque, needs the construction of shared libraries starting from the survey of its already existing elements. This is another key aspect in delivering Building Information Modeling standards. In particular, we focus on the quality assessment of the obtained model, using an open-source sw and the point cloud as reference. The proposed work shows how it is possible to develop a high quality 3D model semantic-aware, capable of connecting geometrical-historical survey with descriptive thematic databases. In this way, a centralized HBIM will serve as comprehensive dataset of information about all disciplines, particularly for restoration and conservation. Moreover, the geometric accuracy will ensure also reliable visualization outputs.


From survey to HBIM for documentation, dissemination and management of built heritage. The case study of St. Maria in Scaria d’Intelvi.

by Raffaella Brumana, Daniela Oreni, Anna Raimondi, Andreas Georgopoulos, Angeliki Bregianni.

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Abstract

The research presented here is the result of two related theses, carried out in collaboration between PoliMi, (Italy) and NTUA, (Greece). Part of it is carried out within the INTERREG EU project framework, which aims to the valuation and dissemination of the role of the Church of S.Maria di Scaria (Vall’ Intelvi) in the international European exchange of skills in the past centuries. It mainly focuses on the Carloni’s intervention (XVIII century), a local family of craftsmen, famous across many European cities and regions for the construction of monuments with rich decorations. In this way they managed to send holy gifts and money, but also offered their skills in order to enrich the church of Scaria as a symbol of their success.

The laser scanning and photogrammetric surveys have been carried out with the on-site stratigraphic analysis and with the quest for the scarcely available historical documents, in an attempt to study the reconstruction and the main transformations and chronological phases, from the Romanic to the Baroque interventions and to the more recent ones: An integrated BIM approach has been chosen as an experimental way of transmitting a piece of the history of the church life to the local people and also for touristic purposes.

In order to disseminate the information on the transformations of the building and on the various decorations in a way that would facilitate the readability and interpretation of the monument by the visitors, a little local museum, co-funded by the EU Interreg programme, is planned to be realized mainly containing the exhibition of the collections of the sacred vessels and furnishings donated to the church in the past. To enhance this aim a 3D object modeling will also be exposed in the multimedia section of the museum. A Heritage Building Information Modeling (HBIM) has been developed, while investigating the potential of an object library specially generated to illustrate the various structural elements, the multiple construction technologies for the walls, the vault system, the roof etc., and the decorative layers (frescos, stuccos and frames), along with the critical aspects faced by standard BIM in a complex geometry shift from Surface approach to Object modeling. The research contributes to the explanation of the sequence and construction technologies adopted for the vault system, the first two vaults of the nave (their interesting texturing and the particular geometry registered by laser scanning related to the hypothesized centering), with respect to the vault covering the altar and the

Andreas Georgopoulos2, Angeliki Bregianni2, National Technical University of Athens, NTUA, School of Rural & Surveying Engineering, Section of Topography,
Lab of Photogrammetry

Athens, Greece, 9, Iroon Polytechniou -15780 2drag@central.ntua.gr 2aggelikh@msn.com

apse. The HBIM approach development is analyzed to help the generation of a vocabulary and an abacus of elements to be geographically referenced across Europe to disseminate typical construction elements and skills.


by D. Orenia, R. Brumana, A. Georgopoulos y B. Cuca

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Conservation of built heritage is progressively linked to the regular maintenance of buildings, defining the preventing conservation as a real necessity in everyday practice. In this view, it is necessary to have an instrument that allows to collect, compare, share and manage all the data available concerning the geometry and state of conservation of buildings. Such data include, among others, products of surveys, drawings, thematic and historical contents, but the information about maintenance or restoration activities should also be added. This paper discusses the possibility to advance from 3D content models to a Historic Building Information Models (HBIM) in order to support preventive conservation, information sharing and knowledge dissemination of heritage for professionals, public institutions and experts involved in the decision making process. Paragraphs 2.1 and 2.2 describe in detail three-dimensional content models, while paragraph 2.3 gives a brief overview on the use of HBIM for built heritage, at Italian and European level, analysing the questions of data sharing, interoperability and standards in using different software. Some case studies, section 3, illustrate the use of BIM solution for the documentation and management of architectural heritage.


by Mónica Inés Fernández, Ricardo Gustavo Piegari yLiliana Bonvecchi

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Objetivos

Evaluar las mutaciones aportadas por la concepción y comunicación de la Arquitectura a partir de la incorporación de tecnologías digitales, valorando los profundos cambios que afectan a las disciplinas dedicadas a la enseñanza del proyecto; analizar la imposición de transformaciones de orden cultural, y plantear modos de pensamiento y prácticas de distribución del conocimiento conducentes a una nueva estética de la arquitectura.

Verificar cuál es la transformación de la arquitectura que evoluciona a través de las redes de información y comunicación, y cómo se comporta la Comunidad Virtual al servicio de la enseñanza de la arquitectura, teniendo en cuenta que las alternativas de concepción y representación responden a modelos basados en la dinámica del espacio virtual.

Estudiar alternativas de materialidad arquitectónica que den cuenta de la transferencia de la capacidades generativas de los entornos virtuales al lenguaje concreto de la arquitectura.


by Rodrigo Garcia Alvarado

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La fabricación digital de modelos constructivos permite estudiar las condiciones materiales de los proyectos y la industrialización de sus componentes. Elaborando elementos soportantes o paramentos, para revisar su sus aspectos técnicos y estéticos (Stacey, 2004; Gramazio y Kohler, 2008). Utilizando tecnologías que están siendo crecientemente integradas en la industria de la construcción para realizar piezas estructurales y revestimientos. Promoviendo de este modo un proceso de edificación mas eficiente, integrado y variable.

Este trabajo presenta estrategias para definir componentes constructivos en diseños digitales con el fin de realizar su fabricación automatizada. Preferentemente con equipos de corte y montaje, debido a que estos sistemas están siendo implementados en las industrias y pueden ser experimentados con cortadores láser y brazos robóticos. Además que implican un reconocimiento de los elementos constructivos y de sus actividades de elaboración y conformación, fomentando una mayor comprensión material del diseño.

Se presentan estrategias para realizar secciones estructurales de volúmenes arquitectónicos, perfiles de corte en software BIM, montaje flexible de elementos constructivos y desarrollo de nuevos sistemas de edificación.


For more efficient, more sustainable buildings, HOK employs integrated project delivery and the Revit® platform for BIM.

By HOK

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Nature vs. Neon

08Apr18

Can sustainable design save money and the environment?

By Phillip G. Bernstein

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Introduction and abstracts

Michael Broshar FAIA AIA

Norman Strong FAIA AIA

Daniel S. Friedman FAIA

 

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My aim in this introduction is to briefly sketch three related developments that suggest fundamental changes in the

ways we might soon teach and practice: first, the widening influence of contemporary theory on building composition; second, the proliferation of pedagogies that dissolve professional or disciplinary distinctions based on scale; and third, the shift from linear perspective to virtual modeling and its impact on the relation between the logic of representation and the logic of construction. A fourth development arguably might be the global economy, but for the moment let digital equalization of distance and geography stand as background.

The first development involves a shift in emphasis from static to dynamic form. Deeper, more precise understandings of time and movement suggest the radical transition from plane and solid geometry to morphogenesis. Complex systems have effectively displaced classical proportion and order as the basis of formal experimentation. In this new compositional vocabulary, ‘field’ supersedes ‘figure’,‘ event’ supersedes ‘object’, ‘vector’ supersedes ‘axis’. Such terms derive in part from the analysis of ecology and landscape, intricate systems that “escape definitive control or closure” and “address the complexity of loosely structured organizations that grow and change with time” (Allen and Corner 2003). Design pedagogies that use animation software to stimulate the exploration of dynamic form are increasingly commonplace. Most of these pedagogies stage formal exploration within a theoretical framework heavily influenced by the contemporary avant-garde, trailed closely by the popular press, which regularly showcases heterodox digital composition.

The second development results from the confluence of these new theories of form with the ever-widening discourse on sustainability. Energy conservation and sustainable technologies nowadays influence policy in both the marketplace and the university. ‘Green’ research extends sustainable principles through the transfer and adaptation of manufacturing technologies from the automotive and aerospace industries to building construction (Kieran and Timberlake 2004). One characteristic of the overlapping pedagogies that exercise these discourses is increasing sensitivity to the behavior and interdependency of dynamic networks across multiple scales of production. Distinctions between small, medium, and large are therefore increasingly difficult to maintain or enforce, both within and outside the academy.




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