Required objects in different exchange models during the delivery of structural

Required objects in different exchange models during

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Table 5. Required objects in different exchange models during the delivery of structural design information S_ER.1 S_ER.1-A_ER.2 S_ER.2 S-BIM_Co Number Option Number Number Option Number Beam 5,649 R 5,649 6,087 R 6,087 Column 1,299 R 1,299 1,594 R 1,594 Foundation 1,551 0 1,551 R 1,551 Slab 98 R 98 98 R 98 Wall 426 R 426 426 R 426 Reinforcement 0 0 11,337 0 Figure 14. File sizes of IFC-based structural models
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574 H. Lai et al. Exchange requirement-based delivery method of structural design information for collaborative design ... transformable by most software tools. In this study, the XML-based method supports the definition of structural design information. The presented delivery method provides a user-defined way to mitigate the problem that there is no correspond- ing IDM/MVD for this delivery. Currently, its application is limited to structural design of civil engineering proj- ects at different design stages. Furthermore, this study may have the following potential improvement: 1. The current ER Matrix still needs the user’s identi- fication or modification for the use in practice. To improve the efficiency of the proposed method, a query language is being developed to support an automatic extraction according to the user-defined semantic words. Through this language, the users only need to define several core words, and the algo- rithm can automatically query corresponding model data and export the required BIM model complying with the IFC. 2. This study can be extended to other disciplines for information delivery, such as architectural design and MEP design. Additionally, the proposed ER Matrix can be applied to other engineering do- mains in the AEC industry by extension, such as infrastructural and industrial engineering. It will improve information exchange in specific use cases where no relevant IDM/MVD exists. 3. The XML-based language developed for represent- ing the ER Matrix can be supported by the XML- compliant software to extract the required informa- tion from their own models. The language can be transformed into the mvdXML, a generic format developed by buildingSMART to support MVD, which leads to broader support from software tools. Acknowledgements This work was supported by the National Key Tech- nologies Research and Development Program of Chi- na during the 13th Five-Year Plan Period under Grant 2016YFC0702001; and the China BIM Standard Research under Grant P-BIM01B00. This support is gratefully ac- knowledged. Author contributions Xueyuan Deng and Huahui Lai conceived the study “Ex- change requirement-based delivery method of structural design information for collaborative design using Industry Foundation Classes”. Huahui Lai and Cheng Zhou were responsible for data collection and analysis. With the help of Xueyuan Deng, Huahui Lai developed the algorithm for the implementation of the proposed delivery method.
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