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CB100
Famous steel bridges stand as testaments to human ingenuity, blending structural innovation with cultural significance to become global landmarks. These bridges not only revolutionized transportation but also defined the identities of the cities and regions they serve, showcasing steel’s unmatched strength and versatility in spanning vast rivers, harbors, and valleys.
One of the most iconic is the Brooklyn Bridge in New York City, USA. Completed in 1883, it was the world’s first steel-wire suspension bridge, spanning the East River to connect Manhattan and Brooklyn. Designed by John A. Roebling, its massive steel cables (each containing over 5,000 wires) and Gothic-style stone towers were engineering marvels of the era. Once the longest suspension bridge in the world, it transformed New York’s growth by linking two burgeoning boroughs, and today remains a symbol of American industrial innovation.
Across the Atlantic, the Tower Bridge in London, UK, is a beloved steel icon. Opened in 1894, this combined bascule and suspension bridge spans the River Thames, with its distinctive twin steel towers and movable central section (lifted to allow tall ships to pass). Its steel framework, clad in stone for aesthetic harmony with nearby Tower of London, balances functionality and grandeur—making it one of London’s most visited attractions and a symbol of the city’s maritime heritage.
In Australia, the Sydney Harbour Bridge (nicknamed the “Coathanger”) is a masterpiece of steel engineering. Completed in 1932, this arch bridge spans Sydney Harbour, connecting the central business district to the North Shore. Made from over 52,000 tons of steel, its massive arch (with a span of 503 meters) was the world’s widest and longest single-arch bridge at the time. Beyond its role as a vital transport link, it’s a national symbol, famous for its New Year’s Eve fireworks displays that draw global attention.
Another standout is the Golden Gate Bridge in San Francisco, USA. Though known for its orange hue, its core structure is steel. Opened in 1937, this suspension bridge spans the Golden Gate Strait, with steel cables supporting a deck that withstands strong winds and fog. At its completion, it was the longest suspension bridge in the world, and its sleek design has made it an enduring symbol of San Francisco and American engineering prowess.
These famous steel bridges transcend their role as crossings—they are cultural touchstones, celebrating steel’s ability to turn ambitious visions into lasting, functional works of art.
| 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 |
Famous steel bridges stand as testaments to human ingenuity, blending structural innovation with cultural significance to become global landmarks. These bridges not only revolutionized transportation but also defined the identities of the cities and regions they serve, showcasing steel’s unmatched strength and versatility in spanning vast rivers, harbors, and valleys.
One of the most iconic is the Brooklyn Bridge in New York City, USA. Completed in 1883, it was the world’s first steel-wire suspension bridge, spanning the East River to connect Manhattan and Brooklyn. Designed by John A. Roebling, its massive steel cables (each containing over 5,000 wires) and Gothic-style stone towers were engineering marvels of the era. Once the longest suspension bridge in the world, it transformed New York’s growth by linking two burgeoning boroughs, and today remains a symbol of American industrial innovation.
Across the Atlantic, the Tower Bridge in London, UK, is a beloved steel icon. Opened in 1894, this combined bascule and suspension bridge spans the River Thames, with its distinctive twin steel towers and movable central section (lifted to allow tall ships to pass). Its steel framework, clad in stone for aesthetic harmony with nearby Tower of London, balances functionality and grandeur—making it one of London’s most visited attractions and a symbol of the city’s maritime heritage.
In Australia, the Sydney Harbour Bridge (nicknamed the “Coathanger”) is a masterpiece of steel engineering. Completed in 1932, this arch bridge spans Sydney Harbour, connecting the central business district to the North Shore. Made from over 52,000 tons of steel, its massive arch (with a span of 503 meters) was the world’s widest and longest single-arch bridge at the time. Beyond its role as a vital transport link, it’s a national symbol, famous for its New Year’s Eve fireworks displays that draw global attention.
Another standout is the Golden Gate Bridge in San Francisco, USA. Though known for its orange hue, its core structure is steel. Opened in 1937, this suspension bridge spans the Golden Gate Strait, with steel cables supporting a deck that withstands strong winds and fog. At its completion, it was the longest suspension bridge in the world, and its sleek design has made it an enduring symbol of San Francisco and American engineering prowess.
These famous steel bridges transcend their role as crossings—they are cultural touchstones, celebrating steel’s ability to turn ambitious visions into lasting, functional works of art.
| 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 |
