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Compact 200
BAILEY
The 80-Ton 200 Bailey Bridge is a prefabricated steel structure bridge designed for temporary construction access applications. This model, designated JSBLGQ-ZB200(321), features a compact 200 configuration that balances load capacity, installation speed, and cost efficiency. Manufactured in Jiangsu, China, these bridges comply with both ASTM and GB standards, making them suitable for commercial construction projects worldwide.
Parameter | Value |
Model Number | JSBLGQ-ZB200(321) |
Configuration | Type 200, Single-Row, Single-Layer, Reinforced (SSR) |
Load Capacity | 80 tons |
Standard Span | 21 meters |
Material Grade | Q355B-Q460C |
Tolerance | ±1% |
Pier Diameter | 630mm spiral steel pipe |
Production Capacity | 2500 tons per month |
Compliance Standards | ASTM, GB |
The bridge utilizes a Single-Row, Single-Layer, Reinforced (SSR) truss design. The addition of reinforcing chords allows this single-row structure to achieve an 80-ton load capacity over a 21-meter span. This configuration provides an efficient structural solution that reduces material usage while maintaining required performance levels.
The prefabricated superstructure is supported by 630mm diameter spiral steel pipe piers. This integrated all-steel system eliminates the need for concrete curing, which reduces installation time compared to traditional bridge construction methods. The modular components can be assembled on-site with standard construction equipment.
The bridge features a heavy-duty deck system engineered to withstand high-frequency construction vehicle traffic. The deck design requires minimal maintenance throughout the project duration, providing consistent performance under regular use by fully loaded construction trucks.
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This bridge design was implemented for a primary school expansion project in Rugao, Nantong City, Jiangsu Province. The client, Nantong Xinyuan Construction Engineering Co., Ltd., required a temporary access route that could support continuous traffic of 80-ton construction vehicles.
The 21-meter span bridge was installed using the SSR configuration, meeting the project's load requirements while allowing for rapid deployment. The all-steel construction eliminated waiting periods for concrete curing, enabling the main construction work to proceed according to schedule. This project demonstrates how reinforced Bailey bridge configurations can be applied to heavy-load temporary access applications.
Bailey bridges are manufactured in Jiangsu, China, with a monthly production capacity of 2500 tons. Components are bundled for shipping, and loading can be arranged at any Chinese port, with Shanghai Port being the most common. Payment is accepted via Telegraphic Transfer (TT).
The Type 200 Bailey Bridge with SSR configuration supports a maximum load capacity of 80 tons over a 21-meter span. Different configurations and spans will have varying load capacities.
With the all-steel prefabricated design and spiral steel pipe piers, a 21-meter span Bailey bridge can be installed in a significantly shorter time compared to traditional concrete bridges, as no concrete curing period is required.
Bailey bridges are constructed using steel materials ranging from Q355B to Q460C grade, which comply with both ASTM and GB industry standards.
200 Bailey bridges are primarily used for temporary construction access, emergency response routes, and temporary transportation solutions. They are commonly deployed in civil construction, infrastructure development, and disaster recovery projects.
