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Abstract

The No. 3 Bridge in Ordos adopts a half-through double arch bridge structure with a main span of 192 m. As this project has prominent landscape effects, abstract spatial relationships, and complex structural forms, conventional design ideas cannot meet the design requirements. The project utilizes the forward parameteric design concept and employs the "R+GH" design method to conduct three-dimensional parametric modeling of the main arch and secondary arch of the No. 3 Bridge. Meanwhile, by conducting finite element analysis, the influence of structural deformation on the derrick booms during the operation stage was evaluated, and the spatial angle of the cable conduits was corrected. The three-dimensional design results are transformed into two-dimensional drawings for output by relying on the powerful spatial design and interaction capabilities of forward parametric design. This paper elaborated on the application of forward parametric design in spatially irregular arch bridge structures, as well as the seamless connection between parametric design and structural finite element calculation, three-dimensional spatial display, two-dimensional result output, and other functions. Finally, references can be provided for the application of forward design in similar bridges.

Publication Date

1-18-2024

DOI

10.14048/j.issn.1671-2579.2023.06.036

First Page

230

Last Page

233

Submission Date

March 2025

Reference

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