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CB100
In industries and transportation networks reliant on heavy-load movement—such as mining, logistics, and freight rail—high-quality prefabricated steel truss bridges have become the backbone of reliable infrastructure. Designed to withstand extreme weights while maintaining structural integrity, these bridges merge precision engineering with prefabrication efficiency, addressing the critical need for durable, heavy-duty crossing solutions.
At the heart of their heavy-load capability is robust structural design. High-quality prefabricated steel trusses utilize high-strength alloy steel (e.g., ASTM A572 Grade 50) that offers superior tensile and compressive strength, ensuring resistance to deformation under loads of 100+ metric tons. The triangular truss framework, a hallmark of these bridges, distributes heavy weights across multiple load-bearing points, preventing stress concentration on individual components. Factory prefabrication further guarantees consistency: each truss member is cut, welded, and inspected to strict industry standards (such as AWS D1.1 for welding), eliminating on-site errors that could compromise load capacity.
Material innovation enhances their performance in heavy-load scenarios. Advanced anti-fatigue treatments, including shot peening and stress-relief annealing, reduce the risk of structural wear from repeated heavy vehicle or equipment crossings. Additionally, corrosion-resistant coatings (e.g., zinc-nickel plating) protect steel components in harsh environments—such as mining sites with chemical exposure or coastal freight routes—preserving load-bearing capacity over decades. Unlike concrete bridges, which may crack under sustained heavy loads, steel trusses exhibit ductility, absorbing stress without sudden failure.
Real-world applications validate their reliability. In Australian mining regions, prefabricated steel truss bridges support daily crossings of 200-ton haul trucks, reducing downtime compared to traditional bridges. In European freight corridors, these bridges handle 120-ton train loads while maintaining a 100-year design life. Their modular design also allows for load capacity upgrades—critical as industries shift to heavier equipment.
For infrastructure requiring uncompromised heavy-load performance, high-quality prefabricated steel truss bridges deliver durability, efficiency, and long-term value, ensuring seamless operation of heavy-duty transportation networks.
| 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 |
In industries and transportation networks reliant on heavy-load movement—such as mining, logistics, and freight rail—high-quality prefabricated steel truss bridges have become the backbone of reliable infrastructure. Designed to withstand extreme weights while maintaining structural integrity, these bridges merge precision engineering with prefabrication efficiency, addressing the critical need for durable, heavy-duty crossing solutions.
At the heart of their heavy-load capability is robust structural design. High-quality prefabricated steel trusses utilize high-strength alloy steel (e.g., ASTM A572 Grade 50) that offers superior tensile and compressive strength, ensuring resistance to deformation under loads of 100+ metric tons. The triangular truss framework, a hallmark of these bridges, distributes heavy weights across multiple load-bearing points, preventing stress concentration on individual components. Factory prefabrication further guarantees consistency: each truss member is cut, welded, and inspected to strict industry standards (such as AWS D1.1 for welding), eliminating on-site errors that could compromise load capacity.
Material innovation enhances their performance in heavy-load scenarios. Advanced anti-fatigue treatments, including shot peening and stress-relief annealing, reduce the risk of structural wear from repeated heavy vehicle or equipment crossings. Additionally, corrosion-resistant coatings (e.g., zinc-nickel plating) protect steel components in harsh environments—such as mining sites with chemical exposure or coastal freight routes—preserving load-bearing capacity over decades. Unlike concrete bridges, which may crack under sustained heavy loads, steel trusses exhibit ductility, absorbing stress without sudden failure.
Real-world applications validate their reliability. In Australian mining regions, prefabricated steel truss bridges support daily crossings of 200-ton haul trucks, reducing downtime compared to traditional bridges. In European freight corridors, these bridges handle 120-ton train loads while maintaining a 100-year design life. Their modular design also allows for load capacity upgrades—critical as industries shift to heavier equipment.
For infrastructure requiring uncompromised heavy-load performance, high-quality prefabricated steel truss bridges deliver durability, efficiency, and long-term value, ensuring seamless operation of heavy-duty transportation networks.
| 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 |
