Abstract
This study proposes a method for assistant environments to integrate 3D bridge model information and engineering document fragments. The engineering document content varies depending on the process. Therefore, we accept a loose coupling concept to support the independence of each information set instead of using a specific data model for effective integration. The engineering document is translated into an Extensible Markup Language (XML)-based structured format based on the explicit and apparent semantic structure of the document. An extended industry foundation classes (IFC) schema is proposed to manage the bridge information model, as well as document fragments. An information document (iMapDoc) is proposed to manage interim data to connect a 3D digital model, an IFC model, and engineering document fragments. Document fragments on a specific component in the 3D bridge model are retrieved to validate the developed integrated assistant module.
Highlights
A certain level of knowledge is required to understand and use construction information presented in the form of engineering documents, such as structural calculation documents
In open Building information modeling (BIM) represented by industry foundation classes (IFC), access to all model object information and modification is enabled [4] according to the standard data access interface (SDAI) standardized by the International Organization for Standardization (ISO) [5]
Research pertaining to the efficient interconnectivity between 3D models and engineering records stored in documents is still in its infancy, whereas research for providing pertinent information based on the visibility of 3D model applications has been actively conducted in recent decades
Summary
A certain level of knowledge is required to understand and use construction information presented in the form of engineering documents, such as structural calculation documents. BIM from the perspective of information management because model visualization and object generation/editing are performed within one platform [2] This method may cause reliability issues, owing to restriction to full data access, platform dependency, and non-guaranteed transparency of internal processes [3]. In open BIM represented by industry foundation classes (IFC), access to all model object information and modification is enabled [4] according to the standard data access interface (SDAI) standardized by the International Organization for Standardization (ISO) [5] This method, requires advanced programming knowledge to control the IFC physical file (IPF) directly for modifying geometries, and there are instability issues in the process of importing the IPF from the BIM tools.
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