Philological HBIM for Knowledge, Management, and Valorisation of the Industrialized Building: The Case of Prefabricated Large Panels Systems (1950–80)

The paper presents the results of an ongoing research relating to the application of HBIM for the knowledge and management of industrialized buildings of the second half of the Twentieth century (1950–1980). The main aim of the study is to advance the HBIM approaches dedicated to the heritage of contemporary buildings, setting up a methodological framework that supports the technical knowledge and the management of the existing building stock, focusing on the novel use of the BIM model as a tool to collect, organize, classify, and access, the archival documents and the historical survey-derived data. The methodology concerns three phases, following the different HBIM roles as a knowledge, systematization, and representation tool, within the historical-technical analyses: (1) design of the CDE and classification of the documentary sources; (2) 3D crossreference and verifications of the documents-derived data; (3) production of opendata and interactive visualizations. Theworkflowrelied on modelling strategies for an effective exploitation of the native functionalities of the BIM Authoring commercial platforms and the IFC open standards, with the aim to extend the proposed approach to the professional communities for the management of the Twentieth century building heritage. The methodological framework is applied to the digitalization of the noteworthy Camus system, a French patent used in the Gratosoglio district (Milan) in the 1960s. Such system is a benchmark of reinforced concrete large panels prefab systems and it has a large-scale and world-wide diffusion.