Study on the structural stability of partial cable-stayed bridges with multiple towers and high piers during construction
Chenglong Zhu, Lingbo Wang, Yixiang Liu, Lin Kang, Xinjun Guo, Xiaobo Zheng · 2024
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Description
Chenglong Zhu and co-authors check the stability of a long, multi-tower cable-stayed bridge while it is still being built, in a 2024 study. Their case is a five-tower, six-span bridge on high piers in Shaanxi, China, built outward in cantilevers before the spans meet. Half-built bridges are at their most fragile, and this design, partly cable-stayed, behaves in complex ways.
The team simulated the whole construction sequence, stage by stage, in both simple and fully nonlinear modes. They varied the stiffness of towers, piers, and deck to find which parts the stability leans on. They also stress-tested ugly surprises: a hanging work basket dropping off, or the two arms growing unevenly, combined with softer piers. Such rehearsals tell builders which stages need watching and which mishaps the design can shrug off.
Catalog record
| CREATOR | Chenglong Zhu, Lingbo Wang, Yixiang Liu, Lin Kang, Xinjun Guo, Xiaobo Zheng |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 52 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |