The difference between large span bridge and ordinary bridge

Large span bridges and ordinary bridges are two main types of cable support structures, and they have obvious differences in structural characteristics and usage environment. Here is a detailed introduction to the differences between the two:
1. Structural characteristics
1. Ordinary bridge tray: Ordinary bridge tray is the most common cable support structure, usually made of steel or aluminum alloy materials. Its structure is compact and has a relatively small support span, which is suitable for cable layouts in general buildings. Ordinary bridges have the characteristics of simple structure, easy installation and low cost.
2. Large span bridge: Large span bridge is a type of bridge designed to meet special needs. Its biggest feature is its large support span. Compared with ordinary bridges, the middle of the large span bridge is without beam support, so it can span a larger space. In addition, large span bridges are usually made of high-strength, corrosion-resistant materials to cope with complex environmental challenges.
2. Use scenarios
1. The application scenarios of ordinary bridge trays are mainly limited to the interior of general buildings, such as office buildings, commercial complexes, etc. In these scenarios, the number of cables is relatively small and the layout is relatively regular, and ordinary bridges can fully meet the needs.
2. Large span bridges are more used in large-scale buildings, industrial plants, oil platforms and other scenarios. In these environments, the cables are numerous and the layout is complex, and they need to span larger spaces. Therefore, large span bridges are widely used with their unique advantages.
3. Performance comparison
Large span bridges have more advantages in load carrying capacity and adaptability than ordinary bridges. Its large-span design can simplify the installation process, reduce the intermediate support structure, and reduce overall costs. At the same time, the high-strength and corrosion-resistant material used in the large span bridge allows it to operate stably in harsh environments and have higher reliability.
4. Summary

In general, there are obvious differences between large span bridges and ordinary bridges in terms of structural characteristics, usage scenarios and performance. When making a choice, it needs to be considered based on actual needs and scenario characteristics. Ordinary bridge trays are suitable for cable layouts inside general buildings, while large span bridges are more suitable for applications in large buildings and complex environments.