Birendra Kumar Singh,
Abstract
Trussed railway bridges offer a unique structural advantage by efficiently distributing the load between the truss members and the girder. In such designs, a significant portion of the load is carried by the truss members, which reduces the stress on the bridge girder itself. As a result, the girder in a trussed bridge can be constructed with a reduced thickness compared to bridges that lack a truss system. This optimization not only minimizes the use of materials for the girder but also contributes to the overall cost-effectiveness of the structure. Another critical advantage of trussed bridges is their ability to span longer distances, making them particularly suitable for large-scale infrastructure projects such as railway bridges crossing rivers, valleys, or other challenging terrains. The combination of trusses and girders enhances the overall stability and durability of the bridge while maintaining efficiency in material use. Trussed systems are also highly adaptable, as they can be designed to withstand dynamic loads, such as those imposed by passing trains, ensuring safety and reliability under variable conditions. Additionally, the modular nature of trussed bridges facilitates easier construction and maintenance. The individual components of the truss can be prefabricated and assembled on-site, reducing construction time and labor costs. Furthermore, their design enables them to resist deformation and stress concentration, ensuring a longer service life compared to other bridge types without trusses. Overall, trussed railway bridges represent an ideal balance between structural integrity, material efficiency, and adaptability for diverse engineering challenges. Their capacity to bear heavy loads over long spans makes them a preferred choice for modern railway bridge design, ensuring safety, sustainability, and economic viability in infrastructure development.
Keywords: Railway bridge girders, trussed bridge structures, long-span bridges, load distribution, structural efficiency
[This article belongs to Trends in Transport Engineering and Applications ]
Birendra Kumar Singh. Trussed Bridges. Trends in Transport Engineering and Applications. 2025; 12(01):11-16.
Birendra Kumar Singh. Trussed Bridges. Trends in Transport Engineering and Applications. 2025; 12(01):11-16. Available from: https://journals.stmjournals.com/ttea/article=2025/view=209361
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Trends in Transport Engineering and Applications
| Volume | 12 |
| Issue | 01 |
| Received | 27/01/2025 |
| Accepted | 02/02/2025 |
| Published | 04/02/2025 |
| Publication Time | 8 Days |
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