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John A. Roebling – The Father of the Brooklyn Bridge

John A. Roebling – The Father of the Brooklyn Bridge

On June 12, 1806, engineer John Augustus Roebling was born. He was best known for the design of the Brooklyn Bridge. Sadly Roebling passed away 14 years before the famous bridge in New York City City was opened. John A. Roebling was born in Mühlhausen, he spent all his school life in Thuringia and later enrolled at the Bauakademie in Berlin. He studied architecture, bridge construction, dyke construction, hydraulics, engineering, and found…
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The Broughton Suspension Bridge and the Resonance Disaster

The Broughton Suspension Bridge and the Resonance Disaster

On April 12, 1831, the Broughton Suspension bridge collapsed, reportedly due to mechanical resonance induced by troops marching in step. But, also wind can be the cause for mechanical resonance which leads to disaster, such as for the Tacoma Narrows Bridge in 1940. But, also buildings can be affected, such as the 39-story shopping mall called the “Techno-Mart” in Seoul, Korea, that had to be evacuated because of people synchronously exercising Tae Bo. The…
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The Sydney Harbour Bridge

The Sydney Harbour Bridge

On March 19, 1932, the Sydney Harbour Bridge was opened, which connects the Sydney central business district and the North Shore. It is the sixth longest spanning-arch bridge in the world, and it is the tallest steel arch bridge, measuring 134 m from top to water level. “To get on in Australia, you must make two observations. Say, “You have the most beautiful bridge in the world” and “They tell me you trounced…
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The Clifton Suspension Bridge

The Clifton Suspension Bridge

Clifton Suspension Bridge On December 8, 1864, the Clifton Suspension Bridge spanning the Avon Gorge and the River Avon, designed by Isambard Kingdom Brunel, was openend for the public. Although Brunel was not able to see the bridge in operation anymore during his lifetime, the Clifton Suspension bridge was the first major commision of the famous engineer of the Great Western Railroad and the then largest steamships in the world. In the…
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