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Steel Bailey bridges, also known as steel structure temporary bridges, are a type of bridge structure that primarily uses steel as the main structural material. They are widely used in various situations due to their simple structure, rapid installation, and cost-effectiveness. Steel Bailey bridges are commonly used for temporary bridge construction, post-disaster reconstruction, military transportation, and as temporary passages in busy traffic areas. The following will provide a detailed introduction to the basic description and parameters of steel Bailey bridges.
The main structure of a steel bailey bridge consists of steel beams, steel supports, steel railings, and steel bridge decks, among other components. The design of steel bailey bridges typically takes into account the need for rapid installation and dismantling, which is why the bridge structure is relatively simple and often utilizes standardized modular design. The span and load-bearing capacity of the bridge can be customized according to actual needs, but the basic structural design ensures a high level of traffic capacity and stability.
The advantages of a steel bailey bridge lie in its high material strength and light weight, which effectively reduce the difficulty of transportation and installation. Its steel has very high tensile and compressive strength, allowing the bridge to perform well when bearing heavy traffic loads. Additionally, the maintenance of a steel Bailey bridge is relatively simple, and it can resist a certain degree of corrosion and wear, making it suitable for use under various environmental conditions.
Here is a parameter table for a typical steel Bailey bridge:
Parameters | Specifications |
Types of bridges | Steel Bailey bridge (steel temporary bridge) |
Bridge length | 10 - 50 meters (can be customized according to needs) |
Bridge width | 3 - 6 meters (single or dual carriageway) |
Maximum span | 15 - 30 meters |
Design Load | Vehicle load class B and C (suitable for heavy vehicles) |
Types of steel | Q235, Q345 and other high-strength steels |
Bridge deck thickness | 8 - 12 mm |
Steel beam specifications | Angle iron, I-beam, H-beam, etc. |
Installation method | Modular assembly, standardized connection. |
Maximum carrying capacity | 50 - 100 tons (depending on design requirements) |
Service life | 15 - 30 years (depending on environmental conditions) |
Preservation treatment | Hot-dip galvanizing, applying anti-corrosion coatings |
Installation time | 1 - 3 days (depending on the specific situation and the experience of the workers) |
Steel Bailey bridges, due to their superior economy and practicality, have become the preferred option for bridge construction in various scenarios. Whether for temporary use or as a long-term bridge, they can meet different needs. With reasonable design and high-quality manufacturing, steel Bailey bridges can provide safe and reliable traffic passages, offering strong support for transportation and emergency rescue.
