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CB200
ZHONGHAI
ZHQL-CB200
Custom steel bridges stand out as specialized engineering solutions, designed to address the unique challenges of complex or one-of-a-kind crossing scenarios—where standard, off-the-shelf bridges fall short. Unlike prefabricated steel bridges with fixed designs, these structures are fully customized to match site conditions, load requirements, environmental constraints, and even aesthetic goals, making them indispensable for projects ranging from urban landmarks to remote industrial crossings.
The customization process begins with a deep analysis of project-specific needs. Engineers first assess site factors: narrow or irregular riverbanks, seismic activity zones, overhead power lines, or environmentally sensitive areas (like wetlands) all shape the bridge’s design. They then factor in load demands—whether the bridge must support heavy freight trains, high-volume highway traffic, or pedestrians with accessibility needs (such as ramps for wheelchairs). For example, a custom steel bridge spanning a busy shipping channel might feature a long, curved truss design to avoid disrupting water traffic, while one in a seismic zone would incorporate flexible steel frames to withstand earthquakes.
Material and structural customization further define these bridges. While all custom steel bridges use high-strength steel, the grade and treatment are tailored: coastal bridges may use corrosion-resistant alloy steel (like ASTM A924) to withstand saltwater, while industrial bridges might use thicker, wear-resistant steel to handle heavy machinery.
Structural designs are equally flexible—custom steel bridges can take the form of trusses, arches, cable-stays, or box girders, depending on span length and aesthetic preferences. Some even blend steel with other materials (like glass or concrete) for architectural appeal, such as urban pedestrian bridges that double as public art installations.
Custom steel bridges also excel in solving logistical challenges. For remote mining sites, they can be designed in modular sections for easy transport via trucks or helicopters, then assembled on-site. For historic districts, they can mimic traditional bridge styles (like stone arches) using steel for hidden structural support, preserving the area’s character while ensuring modern safety standards.
While custom steel bridges require longer design and construction timelines than standard models, their ability to fit unique needs makes them a worthwhile investment. They prove that steel’s versatility—combined with tailored engineering—can turn even the most complex infrastructure challenges into durable, functional, and visually fitting solutions.
| 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 |
Custom steel bridges stand out as specialized engineering solutions, designed to address the unique challenges of complex or one-of-a-kind crossing scenarios—where standard, off-the-shelf bridges fall short. Unlike prefabricated steel bridges with fixed designs, these structures are fully customized to match site conditions, load requirements, environmental constraints, and even aesthetic goals, making them indispensable for projects ranging from urban landmarks to remote industrial crossings.
The customization process begins with a deep analysis of project-specific needs. Engineers first assess site factors: narrow or irregular riverbanks, seismic activity zones, overhead power lines, or environmentally sensitive areas (like wetlands) all shape the bridge’s design. They then factor in load demands—whether the bridge must support heavy freight trains, high-volume highway traffic, or pedestrians with accessibility needs (such as ramps for wheelchairs). For example, a custom steel bridge spanning a busy shipping channel might feature a long, curved truss design to avoid disrupting water traffic, while one in a seismic zone would incorporate flexible steel frames to withstand earthquakes.
Material and structural customization further define these bridges. While all custom steel bridges use high-strength steel, the grade and treatment are tailored: coastal bridges may use corrosion-resistant alloy steel (like ASTM A924) to withstand saltwater, while industrial bridges might use thicker, wear-resistant steel to handle heavy machinery.
Structural designs are equally flexible—custom steel bridges can take the form of trusses, arches, cable-stays, or box girders, depending on span length and aesthetic preferences. Some even blend steel with other materials (like glass or concrete) for architectural appeal, such as urban pedestrian bridges that double as public art installations.
Custom steel bridges also excel in solving logistical challenges. For remote mining sites, they can be designed in modular sections for easy transport via trucks or helicopters, then assembled on-site. For historic districts, they can mimic traditional bridge styles (like stone arches) using steel for hidden structural support, preserving the area’s character while ensuring modern safety standards.
While custom steel bridges require longer design and construction timelines than standard models, their ability to fit unique needs makes them a worthwhile investment. They prove that steel’s versatility—combined with tailored engineering—can turn even the most complex infrastructure challenges into durable, functional, and visually fitting solutions.
| 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 |
