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CB200
ZHONGHAI
ZHQL-CB200
Portable steel bridges merge the strength of steel with the convenience of mobility, creating flexible infrastructure solutions that excel in scenarios where speed, adaptability, and durability are critical. Unlike permanent steel bridges, these structures are designed for easy transportation, rapid assembly, and disassembly—making them indispensable in emergency response, military operations, and remote area development worldwide.
At their core, portable steel bridges rely on modular, prefabricated components. Steel’s high strength-to-weight ratio is key here: it allows the bridges to be lightweight enough for transport (via trucks, helicopters, or boats) while still supporting heavy loads, from passenger vehicles to construction equipment. Most designs use interlocking steel truss panels, beams, and decking that can be connected with simple tools—no specialized engineering teams are required. For example, a small crew can often assemble a 30-meter portable steel bridge in a single day, a feat impossible with traditional permanent bridges.
The versatility of portable steel bridges shines in diverse use cases. In disaster relief, they quickly replace bridges destroyed by floods, earthquakes, or storms, restoring access for aid delivery and stranded communities. During military missions, they enable troops to cross rivers, valleys, or damaged roads swiftly, maintaining tactical mobility. In remote regions—such as rural areas in developing countries or isolated construction sites—they serve as temporary or semi-permanent crossings, connecting villages to markets or supporting infrastructure projects like mining or pipeline construction.
Modern portable steel bridges also prioritize durability and adaptability. Many feature anti-corrosion steel coatings to withstand harsh weather, from humid jungles to icy tundras. Some designs can be adjusted to different spans (from 10 meters to over 100 meters) or reconfigured for pedestrian-only use, adding to their flexibility. Unlike temporary wooden bridges, which degrade quickly, portable steel bridges can be reused across multiple projects, reducing waste and long-term costs.
In a world where unexpected challenges and remote infrastructure needs persist, portable steel bridges stand as practical, reliable solutions. They prove that strength and mobility can coexist, turning logistical hurdles into manageable tasks and ensuring connectivity when it matters most.
| CB321(100) Truss Press Limited Table | |||||||||
| No. | Lnternal Force | Structure Form | |||||||
| Not Reinforced Model | Reinforced Model | ||||||||
| SS | DS | TS | DDR | SSR | DSR | TSR | DDR | ||
| 321(100) | Standard Truss Moment(kN.m) | 788.2 | 1576.4 | 2246.4 | 3265.4 | 1687.5 | 3375 | 4809.4 | 6750 |
| 321(100) | Standard Truss Shear (kN) | 245.2 | 490.5 | 698.9 | 490.5 | 245.2 | 490.5 | 698.9 | 490.5 |
| 321 (100) Table of geometric characteristics of truss bridge(Half bridge) | |||||||||
| Type No. | Geometric Characteristics | Structure Form | |||||||
| Not Reinforced Model | Reinforced Model | ||||||||
| SS | DS | TS | DDR | SSR | DSR | TSR | DDR | ||
| 321(100) | Section properties(cm3) | 3578.5 | 7157.1 | 10735.6 | 14817.9 | 7699.1 | 15398.3 | 23097.4 | 30641.7 |
| 321(100) | Moment of inertia(cm4) | 250497.2 | 500994.4 | 751491.6 | 2148588.8 | 577434.4 | 1154868.8 | 1732303.2 | 4596255.2 |
Portable steel bridges merge the strength of steel with the convenience of mobility, creating flexible infrastructure solutions that excel in scenarios where speed, adaptability, and durability are critical. Unlike permanent steel bridges, these structures are designed for easy transportation, rapid assembly, and disassembly—making them indispensable in emergency response, military operations, and remote area development worldwide.
At their core, portable steel bridges rely on modular, prefabricated components. Steel’s high strength-to-weight ratio is key here: it allows the bridges to be lightweight enough for transport (via trucks, helicopters, or boats) while still supporting heavy loads, from passenger vehicles to construction equipment. Most designs use interlocking steel truss panels, beams, and decking that can be connected with simple tools—no specialized engineering teams are required. For example, a small crew can often assemble a 30-meter portable steel bridge in a single day, a feat impossible with traditional permanent bridges.
The versatility of portable steel bridges shines in diverse use cases. In disaster relief, they quickly replace bridges destroyed by floods, earthquakes, or storms, restoring access for aid delivery and stranded communities. During military missions, they enable troops to cross rivers, valleys, or damaged roads swiftly, maintaining tactical mobility. In remote regions—such as rural areas in developing countries or isolated construction sites—they serve as temporary or semi-permanent crossings, connecting villages to markets or supporting infrastructure projects like mining or pipeline construction.
Modern portable steel bridges also prioritize durability and adaptability. Many feature anti-corrosion steel coatings to withstand harsh weather, from humid jungles to icy tundras. Some designs can be adjusted to different spans (from 10 meters to over 100 meters) or reconfigured for pedestrian-only use, adding to their flexibility. Unlike temporary wooden bridges, which degrade quickly, portable steel bridges can be reused across multiple projects, reducing waste and long-term costs.
In a world where unexpected challenges and remote infrastructure needs persist, portable steel bridges stand as practical, reliable solutions. They prove that strength and mobility can coexist, turning logistical hurdles into manageable tasks and ensuring connectivity when it matters most.
| CB321(100) Truss Press Limited Table | |||||||||
| No. | Lnternal Force | Structure Form | |||||||
| Not Reinforced Model | Reinforced Model | ||||||||
| SS | DS | TS | DDR | SSR | DSR | TSR | DDR | ||
| 321(100) | Standard Truss Moment(kN.m) | 788.2 | 1576.4 | 2246.4 | 3265.4 | 1687.5 | 3375 | 4809.4 | 6750 |
| 321(100) | Standard Truss Shear (kN) | 245.2 | 490.5 | 698.9 | 490.5 | 245.2 | 490.5 | 698.9 | 490.5 |
| 321 (100) Table of geometric characteristics of truss bridge(Half bridge) | |||||||||
| Type No. | Geometric Characteristics | Structure Form | |||||||
| Not Reinforced Model | Reinforced Model | ||||||||
| SS | DS | TS | DDR | SSR | DSR | TSR | DDR | ||
| 321(100) | Section properties(cm3) | 3578.5 | 7157.1 | 10735.6 | 14817.9 | 7699.1 | 15398.3 | 23097.4 | 30641.7 |
| 321(100) | Moment of inertia(cm4) | 250497.2 | 500994.4 | 751491.6 | 2148588.8 | 577434.4 | 1154868.8 | 1732303.2 | 4596255.2 |