Conference PaperPDF Available

Computational design in the HBIM process

Authors:

Abstract

The aim of the work is to show how the application of the computational design can speed up and improve the realization of complex geometries typical of historical architecture and automate some processes in the design phase. The object of the research is the building housing the Cento art gallery (Pinacoteca Guercino), damaged by the seismic events of May 2012.
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... The uniqueness of such constructions is not only inherent in the relationship of sub-building systems and components at the level of the building organism but is also to be placed at the level of the functional building components themselves. For pre-industrial buildings, the adoption of libraries of sub-system families is necessary, with specially structured parametric components [1,5,6], in order to ensure the inclusion in the model of construction characteristics upon which we base the working hypothesis: materials, construction technique, conservation status [5]. From this perspective, HBIM is a process in which inter-scalar relationships are possible. ...
... There are also a series of research projects that are developing tools that are particularly interesting for this discussion, but which have not yet found an official place in the commercial field. This is the case of the study conducted by the research group of the Federico II University of Naples [23] and by the Open Project group [6] on the detection of post-earthquake damage. In both cases, the aim is to return a digital crack picture. ...
... As highlighted by Vilutiene et al. [21] the number of publications strictly linked to the structural aspects of BIM emerged significantly in the scientific literature only after 2014, and it is possible to identify some applications strictly related. Some of these are already consolidated and others are in development, such as: the design and construction, as well as the identification of coordination problems between the structural elements and those other disciplines, monitoring the performance and life cycle of structural elements, optimising seismic retrofitting [22], and assessing structural damage following seismic events [6,23]. To date, most vendors offer BIM software that incorporates the three features The type of adopted survey allowed the characterisation of the object from a geometric and constructional point of view, in order to describe and interpret the strain and crack pattern (Fig. 9). ...
Article
Full-text available
A validated method for digital representation of historic construction through HBIM permits assessment of compliance with workmanlike manner and structural performance. The construction of an appropriate model is closely linked to survey methodology, to the integrated application of multiple techniques of direct and indirect survey and non-destructive tests. The paper specifically deals with the complementarity between photogrammetry based on UAV (Unmanned Aerial Vehicles) with TLS (Terrestrial Laser Scanner). Finally, through this methodology, the HBIM model set for structural use allows the analysis of local mechanisms in order to verify the performance of the building.
... L'unicità di tali costruzioni non è insita solo nelle modalità di relazione degli elementi di fabbrica (EF) e dei componenti nel sistema apparecchiatura costruttiva, ma è da collocarsi anche al livello degli elementi stessi. Per l'oggetto edilizio pre-industriale si richiede l'adozione di librerie di famiglie di elementi di fabbrica, strutturate appositamente [1,7,8] e con componenti (elementi costruttivi funzionali -ECF) parametrici. In tal modo è possibile garantire l'inclusione nel modello di caratteristiche costruttive che poniamo a base dell'ipotesi di lavoro: materiali, tecnica costruttiva, stato di conservazione [9]. ...
... La massa dei dati acquisibili è potenzialmente così elevata da imporre la selezione degli elementi della nuvola di punti, che di fatto è acritica [6] e difficilmente computabile [15]. Numerose ricerche in questo ambito [8,13,[15][16][17] hanno messo in luce potenzialità e problematiche legate alla definizione di una pipeline per la modellazione BIM di oggetti intelligenti. La creazione del plug-in GreenSpider di torna all'indice Garagnani 6 [15], ha influenzato gli studi sulle shape grammars (script per la realizzazione di forme). ...
... La creazione del plug-in GreenSpider di torna all'indice Garagnani 6 [15], ha influenzato gli studi sulle shape grammars (script per la realizzazione di forme). La soluzione offerta da Sampietro [8] definisce shape grammar specifiche per singole tipologie di elementi costruttivi (es: volte), per rappresentare l'insieme generabile da determinate regole e parametri, definiti attraverso software VPL (Visual Programming Language) come Autodesk Dynamo. Altre ricerche riguardano la creazione di famiglie parametriche nidificate (a creare dizionari H-IFD) 7 , con la definizione dell'aggregazione gerarchica dei componenti a seconda della funzione strutturale, non strutturale e decorativa [13]. ...
Conference Paper
Full-text available
L’HBIM (Heritage Building Information Modelling) assume sempre maggiore importanza nell’ambito dei processi conoscitivi del patrimonio costruito, in particolare nel supportare l’investigazione della costruzione storica e delle sue prestazioni, per cui è indispensabile scegliere la metodologia di rilievo integrato più appropriata. L’articolo affronta la complementarietà della fotogrammetria basata su UAV (Unmanned Aerial Vehicles) con TLS (Terrestrial Laser Scanner), le relative criticità e potenzialità per la restituzione di un modello HBIM approfondito dal punto di vista costruttivo. Il caso di studio scelto, villa Palma-Guazzaroni HBIM per la conoscenza e la rappresentazione della costruzione storica HBIM per la conoscenza e la rappresentazione della costruzione storica a Terni, presenta diverse e importanti fasi costruttive storiche ed è caratterizzato da un diffuso degrado dei materiali in tutti gli elementi di fabbrica. Sono presenti inoltre fenomeni di dissesto, con rilevante quadro fessurativo, e crolli di parte delle chiusure orizzontali. Ciò ha permesso di sperimentare metodologicamente la definizione di un modello informato sugli aspetti dell’apparecchiatura costruttiva e del dissesto strutturale e valutarne la capacità di supportare utilmente la conoscenza dell’organismo edilizio.
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