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Implementation of BIM + WebGIS Based on Extended IFC and Batched 3D Tiles Data: An Application in RCC Gravity Dam for Republication of Design Change Model

  • Construction Management
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KSCE Journal of Civil Engineering Aims and scope

Abstract

The construction of hydropower project is a complex management process, whose management covers the entire construction site. Building information modeling (BIM) + Web Geographic Information System (WebGIS) is an effective means to solve the management of the construction site and main structures. Industry foundation classes (IFC) is commonly used in architecture, engineering and construction (AEC) industry as a standard for BIM data exchange. However, as the components of hydropower projects have not been included in IFC standards, IFC needs to be extended in application. At the same time, WebGIS pays more attention to display whole scene and ignores the processing of high-precision models. There will be deficiencies in network transmission and browser rendering in WebGIS environment of elaborate BIM model. Therefore, the batched three dimensions (3D) Tiles data format, which uses Web Graphics Library (WebGL) as the standard for 3D model rendering, has been widely considered in recent years. At present, in the field of BIM and GIS fusion, the conversion of extended IFC to 3D Tiles data is still blank, and none of the current BIM modeling software has the ability to export the components of hydropower projects. This paper proposes an extended IFC export method based on Autodesk Revit and a data exchange from extended IFC to batched 3D Tiles. Finally, the effectiveness of this method is verified by a design modification case of roller compacted concrete (RCC) gravity dam.

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The authors gratefully appreciate support from the National Key Research and Development Program of China (No. 2018YFC0406900), the Yunnan Key Research and Development Program (No. 2017IB014), and the Innovative Research Groups of the National Natural Science Foundation of China (No. 51621092).

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Correspondence to Peiqi Jiang.

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Zhang, S., Jiang, P. Implementation of BIM + WebGIS Based on Extended IFC and Batched 3D Tiles Data: An Application in RCC Gravity Dam for Republication of Design Change Model. KSCE J Civ Eng 25, 4045–4064 (2021). https://doi.org/10.1007/s12205-021-0115-9

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  • DOI: https://doi.org/10.1007/s12205-021-0115-9

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