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CB200
ZHONGHAI
ZHQL-CB200
Steel truss bridges represent a powerful fusion of two engineering strengths: the inherent resilience of steel and the efficient load-distribution of truss frameworks. As a modern evolution of traditional truss bridges, they have become a backbone of infrastructure worldwide, trusted for their ability to span vast distances, support heavy loads, and withstand the test of time—making them indispensable for highways, railways, and even coastal crossings.
The use of steel as the primary material is what sets these bridges apart. Steel boasts exceptional tensile and compressive strength, far exceeding that of wood or concrete, allowing steel truss bridges to span longer distances—some exceeding 1,500 meters—without compromising stability. Unlike wood, steel is resistant to rot, pests, and weathering; when treated with anti-corrosion coatings, it can endure harsh conditions, from freezing winters to saltwater coastal environments, with minimal maintenance. Additionally, steel’s ductility means it can flex slightly under heavy loads or seismic activity, reducing the risk of sudden failure—a critical advantage in earthquake-prone regions.
Structurally, steel truss bridges retain the triangular truss design that defines truss systems, but steel’s strength enables more efficient member sizing. The trusses—composed of steel chords (top and bottom), verticals, and diagonals—distribute weight evenly across the structure, transferring forces to the bridge’s piers or abutments. This efficiency means less material is needed compared to solid-beam bridges, lowering construction costs and making steel truss bridges a cost-effective choice for large-scale projects. For example, railroad steel truss bridges are designed to support the constant weight of freight trains, while highway versions accommodate heavy trucks and daily commuter traffic.
Modern steel truss bridges also embrace innovation. Prefabricated steel truss components can be manufactured off-site and assembled quickly on location, reducing construction time and minimizing disruption to surrounding areas. Some designs integrate sleek, minimalist truss patterns, blending functionality with aesthetic appeal—making them not just engineering feats, but also visual landmarks.
From connecting major cities to supporting critical transportation networks, steel truss bridges stand as a testament to how advanced materials and time-tested structural design can create solutions that are strong, durable, and adaptable to the world’s evolving infrastructure needs.
| CB200 Truss Press Limited Table | |||||||||
| NO. | Internal Force | Structure Form | |||||||
| Not Reinforced Model | Reinforced Model | ||||||||
| SS | DS | TS | QS | SSR | DSR | TSR | QSR | ||
| 200 | Standard Truss Moment(kN.m) | 1034.3 | 2027.2 | 2978.8 | 3930.3 | 2165.4 | 4244.2 | 6236.4 | 8228.6 |
| 200 | Standard Truss Shear (kN) | 222.1 | 435.3 | 639.6 | 843.9 | 222.1 | 435.3 | 639.6 | 843.9 |
| 201 | High Bending Truss Moment(kN.m) | 1593.2 | 3122.8 | 4585.5 | 6054.3 | 3335.8 | 6538.2 | 9607.1 | 12676.1 |
| 202 | High Bending Truss Shear(kN) | 348 | 696 | 1044 | 1392 | 348 | 696 | 1044 | 1392 |
| 203 | Shear Force of Super High Shear Truss(kN) | 509.8 | 999.2 | 1468.2 | 1937.2 | 509.8 | 999.2 | 1468.2 | 1937.2 |
| CB200 Table of Geometric Characteristics of Truss Bridge(Half Bridge) | ||||
| Structure | Geometric Characteristics | |||
| Geometric Characteristics | Chord Area(cm2) | Section Properties(cm3) | Moment of Inertia(cm4) | |
| ss | SS | 25.48 | 5437 | 580174 |
| SSR | 50.96 | 10875 | 1160348 | |
| DS | DS | 50.96 | 10875 | 1160348 |
| DSR1 | 76.44 | 16312 | 1740522 | |
| DSR2 | 101.92 | 21750 | 2320696 | |
| TS | TS | 76.44 | 16312 | 1740522 |
| TSR2 | 127.4 | 27185 | 2900870 | |
| TSR3 | 152.88 | 32625 | 3481044 | |
| QS | QS | 101.92 | 21750 | 2320696 |
| QSR3 | 178.36 | 38059 | 4061218 | |
| QSR4 | 203.84 | 43500 | 4641392 | |
Project cases
Steel truss bridges represent a powerful fusion of two engineering strengths: the inherent resilience of steel and the efficient load-distribution of truss frameworks. As a modern evolution of traditional truss bridges, they have become a backbone of infrastructure worldwide, trusted for their ability to span vast distances, support heavy loads, and withstand the test of time—making them indispensable for highways, railways, and even coastal crossings.
The use of steel as the primary material is what sets these bridges apart. Steel boasts exceptional tensile and compressive strength, far exceeding that of wood or concrete, allowing steel truss bridges to span longer distances—some exceeding 1,500 meters—without compromising stability. Unlike wood, steel is resistant to rot, pests, and weathering; when treated with anti-corrosion coatings, it can endure harsh conditions, from freezing winters to saltwater coastal environments, with minimal maintenance. Additionally, steel’s ductility means it can flex slightly under heavy loads or seismic activity, reducing the risk of sudden failure—a critical advantage in earthquake-prone regions.
Structurally, steel truss bridges retain the triangular truss design that defines truss systems, but steel’s strength enables more efficient member sizing. The trusses—composed of steel chords (top and bottom), verticals, and diagonals—distribute weight evenly across the structure, transferring forces to the bridge’s piers or abutments. This efficiency means less material is needed compared to solid-beam bridges, lowering construction costs and making steel truss bridges a cost-effective choice for large-scale projects. For example, railroad steel truss bridges are designed to support the constant weight of freight trains, while highway versions accommodate heavy trucks and daily commuter traffic.
Modern steel truss bridges also embrace innovation. Prefabricated steel truss components can be manufactured off-site and assembled quickly on location, reducing construction time and minimizing disruption to surrounding areas. Some designs integrate sleek, minimalist truss patterns, blending functionality with aesthetic appeal—making them not just engineering feats, but also visual landmarks.
From connecting major cities to supporting critical transportation networks, steel truss bridges stand as a testament to how advanced materials and time-tested structural design can create solutions that are strong, durable, and adaptable to the world’s evolving infrastructure needs.
| CB200 Truss Press Limited Table | |||||||||
| NO. | Internal Force | Structure Form | |||||||
| Not Reinforced Model | Reinforced Model | ||||||||
| SS | DS | TS | QS | SSR | DSR | TSR | QSR | ||
| 200 | Standard Truss Moment(kN.m) | 1034.3 | 2027.2 | 2978.8 | 3930.3 | 2165.4 | 4244.2 | 6236.4 | 8228.6 |
| 200 | Standard Truss Shear (kN) | 222.1 | 435.3 | 639.6 | 843.9 | 222.1 | 435.3 | 639.6 | 843.9 |
| 201 | High Bending Truss Moment(kN.m) | 1593.2 | 3122.8 | 4585.5 | 6054.3 | 3335.8 | 6538.2 | 9607.1 | 12676.1 |
| 202 | High Bending Truss Shear(kN) | 348 | 696 | 1044 | 1392 | 348 | 696 | 1044 | 1392 |
| 203 | Shear Force of Super High Shear Truss(kN) | 509.8 | 999.2 | 1468.2 | 1937.2 | 509.8 | 999.2 | 1468.2 | 1937.2 |
| CB200 Table of Geometric Characteristics of Truss Bridge(Half Bridge) | ||||
| Structure | Geometric Characteristics | |||
| Geometric Characteristics | Chord Area(cm2) | Section Properties(cm3) | Moment of Inertia(cm4) | |
| ss | SS | 25.48 | 5437 | 580174 |
| SSR | 50.96 | 10875 | 1160348 | |
| DS | DS | 50.96 | 10875 | 1160348 |
| DSR1 | 76.44 | 16312 | 1740522 | |
| DSR2 | 101.92 | 21750 | 2320696 | |
| TS | TS | 76.44 | 16312 | 1740522 |
| TSR2 | 127.4 | 27185 | 2900870 | |
| TSR3 | 152.88 | 32625 | 3481044 | |
| QS | QS | 101.92 | 21750 | 2320696 |
| QSR3 | 178.36 | 38059 | 4061218 | |
| QSR4 | 203.84 | 43500 | 4641392 | |
Project cases