Abstract
BIM technology is widely used in expressway Construction projects. In the process of transforming two-dimensional design into three-dimensional design, there are still many problems that need to be solved urgently. Based on the Beijing-Shanghai highway reconstruction and expansion project, this paper proposes an evolutionary design method. Based on the application standard of project model technology, the method uses BIM model software, based on skeleton lines and templates, using EKL programming language to realize the structure size from coarse to fine, information from summary to detail, and progressive design method for component granularity from bottom to high. At the same time, a three-dimensional design method for automatically generating road centerlines is proposed. The results show that the evolutionary design method is in line with the current project habits, matching the existing design concepts, and can efficiently complete the design work at different stages, effectively avoiding a lot of repetitive work.
Highlights
BIM technology is widely used in the highway engineering, especially in large highway, bridges and tunnels
BIM-based design usually increases work hour, as most existing highway projects are based on 2D design
This paper proposes an evolutionary design method of BIM technology
Summary
BIM technology is widely used in the highway engineering, especially in large highway, bridges and tunnels. BIM-based design usually increases work hour, as most existing highway projects are based on 2D design. How to build BIM model finely, fast and efficiently is yet to be solved. Many have used BIM technology to study the design and application of highway projects. Blaine [4] studied the differences in the application of BIM technology in two Bridges. Song Fuchun [5] studied the application of BIM technology in the design of cablestayed bridges. Dong Jun [6] studied the application of BIM technology in highway construction. This paper proposes an evolutionary design method of BIM technology. The proposed design method in applied in Beijing-Shanghai highway reconstruction and expansion projects; a parametric, automatic and iterable BIM modeling solution to general highway reconstruction and expansion projects is concluded
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