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Author(s):	Bednorz, Jennifer; Hindersmann, Iris; Jaeger, Klaus; Marszalik, Monika
Title:
Abstract:	Gemäß dem Stufenplan Digitales Planen und Bauen des Bundesministeriums für Verkehr und digitale Infrastruktur (BMVI) ist ab 2020 die ganzheitliche Anwendung von Building Information Modeling (BIM) für Projekte im Infrastrukturbereich vorgesehen. Ansätze und Strategien zum Einsatz von BIM in Betrieb und Erhaltung von Brückenbauwerken liegen nur begrenzt vor. Das Ziel des Projekts ist es, die Möglichkeiten zur Erstellung von BIM-fähigen As-Built-Modellen für Bestandsbrücken an einem Bauwerk zu untersuchen, anzuwenden und Empfehlungen zur Nutzung dieser Modelle in der Betriebsphase zu geben. Es wurden zwei Bauwerksmodelle anhand der Punktwolke eines Laserscans und der konventionellen Modellierung auf Grundlage von Bestandsunterlagen erstellt. Der geometrische Abgleich beider Modelle zeigt die Unterschiede von Plan- und Ist-Zustand der Bestandsbrücke auf. Die Anwendungsbereiche der verschiedenen Modelle und der Aufwand zur Erstellung der Modelle werden erläutert. Methods for generating of as-built models for existing bridges According to the BMVI's 'Road Map for Digital Design and Construction', the holistic application of Building Information Modeling (BIM) for infrastructure projects is planned for 2020. Approaches and strategies for the use of BIM in the operation and maintenance of bridge structures are limited. The aim of the project is to investigate and apply the possibilities for the creation of BIM-capable As-Built models for existing bridges on a structure and to give recommendations for the use of these models in the operating phase. Two building models were created on the basis of the point cloud of a laser scan and the conventional modelling based on existing documents. The geometric comparison of both models shows the differences between the planned and actual condition of the existing bridge. The fields of application of the different models and the effort to create the models are explained.
Source:	Bautechnik 97 (2020), No. 4
Page/s:	286-294
Language of Publication:	German

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