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The prefabricated Bailey bridge is a modular steel bridge system based on an optimized design of the classic Bailey structure, specifically designed to meet the pedestrian access needs of modern urban construction, scenic area development, and emergency rescue operations. This product uses high-strength steel prefabricated components, connected by pins for rapid assembly, and features a lightweight structure, high load-bearing capacity, and wide span adaptability. Whether crossing rivers, highways, or canyons, its flexible structural form allows for construction to be completed in a very short period.
In addition to their superior engineering performance, pedestrian Bailey bridges also prioritize aesthetics and durability. The bridge structure undergoes professional anti-corrosion treatment, enabling it to withstand various harsh climates, with low maintenance costs and a long service life.
| Product Attributes | |
|---|---|
| Product Name | Prefabricated pedestrian bridge |
| alternative name | Sidewalk; steel structure pedestrian bridge; urban pedestrian bridge; temporary steel bridge; temporary access road; temporary bridge; Bailey bridge |
| model | Type 321; Type 200; Type GWD; Special steel frame, etc. |
| Commonly used frame models | Type 321 Bailey sheet; Type 200 Bailey sheet; GWD Bailey sheet, etc. |
| The largest single span of the steel bridge design | Approximately 60 meters |
| Standard lane width of steel bridge | 1.2 meters, 1.5 meters, 2 meters, or custom-made according to requirements. |
| Load rating | For crowds or small vehicles, the weight limit is generally no more than 5 tons. |
| Design Scheme | Select the appropriate arrangement based on the span and load. |
| Main materials of steel bridge | GB Q345B |
| Connecting pin material | 30CrMnTi |
| Connecting bolt grade | 8.8 grade high-strength bolts; G10.9 grade high-strength bolts |
| Surface corrosion protection | Hot-dip galvanizing; painting; heavy-duty anti-corrosion paint for steel structures; asphalt paint; anti-slip aggregate treatment for bridge decks, etc. |
| Bridge erection methods | Cantilever launching method; in-situ assembly method; earthwork construction method; hoisting method; floating method, etc. |
| Installation will take time. | After the bridge abutments and other conditions are met, 3-7 sunny days are required (depending on the bridge length and site conditions). |
| Installation requires workers. | 5-6 people (to be determined based on site conditions) |
| Installation requires equipment. | Cranes, winches, jacks, chain hoists, welding machines, generators, etc. (can be adjusted according to site conditions) |
| Features of steel bridges | Low cost, attractive appearance, lightweight parts, quick assembly, interchangeable, detachable, and long service life. |
| Authentication | ISO,CCIC,BV,SGS,CNAS |
| Implementation Standards | JT-T/728-2008 |
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