reixdark127
Structural
- Mar 5, 2025
- 1
I am designing a seismically isolated urban bridge, and one of my concerns is how to account for live vehicle loads during the design earthquake. The bridge spans half a kilometer and has multiple supports. If I were to model the live load as a static load, I would need to consider numerous load variations, making the analysis impractical. My main challenge is determining how to incorporate these loads into a time-history analysis effectively.
Similarly, I have another project currently under evaluation in terms of quantities and budget, where a cable-stayed bridge has been proposed. This raises another concern since, due to the flexibility of such structures, geometric nonlinear analysis is required. Given the complex configuration and the many possible live load scenarios on both the deck and the cables, I am unsure how to model and analyze live loads in these types of bridges.
Similarly, I have another project currently under evaluation in terms of quantities and budget, where a cable-stayed bridge has been proposed. This raises another concern since, due to the flexibility of such structures, geometric nonlinear analysis is required. Given the complex configuration and the many possible live load scenarios on both the deck and the cables, I am unsure how to model and analyze live loads in these types of bridges.
