Yasmeen A. S. Essawy and Khaled Nassar
Elemental Graph Data Model A Semantic and Topological Representation of Building Elements
845 - 856
2017
11
6
International Journal of Civil and Environmental Engineering
https://publications.waset.org/pdf/10007928
https://publications.waset.org/vol/126
World Academy of Science, Engineering and Technology
With the rapid increase of complexity in the building industry, professionals in the AEC industry were forced to adopt Building Information Modeling (BIM) in order to enhance the communication between the different project stakeholders throughout the project life cycle and create a semantic objectoriented building model that can support geometrictopological analysis of building elements during design and construction. This paper presents a model that extracts topological relationships and geometrical properties of building elements from an existing fully designed BIM, and maps this information into a directed acyclic Elemental Graph Data Model (EGDM). The model incorporates BIMbased search algorithms for automatic deduction of geometrical data and topological relationships for each building element type. Using graph search algorithms, such as Depth First Search (DFS) and topological sortings, all possible construction sequences can be generated and compared against production and construction rules to generate an optimized construction sequence and its associated schedule. The model is implemented in a C platform.
Open Science Index 126, 2017