Brooklyn Bridge Research Paper

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Summary

The Brooklyn Bridge is one of the oldest suspension bridges in America, spanning over the East River and connecting Brooklyn to Manhattan. John Augustus Roebling designed the bridge, and his wife, Emily Warren Roebling, supervised its construction for 11 years after his death. The bridge was completed in 1883 and was the longest suspension bridge in the world until 1903. It is made from limestone, granite, and Rosendale cement, and spans 5989 feet with a width of 85 feet. On its opening day, 1800 cars and 150,300 people crossed the bridge. However, there were complications, including a stampede that caused 27 deaths and issues with the bridge’s aerodynamics, which were not resolved until the 1950s. Despite these challenges, the Brooklyn Bridge is now an iconic landmark for New York City, America, and the world. It is an important connection between Brooklyn and Manhattan and has changed the city’s landscape forever.

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The Brooklyn Bridge

The Brooklyn Bridge, also known as the East River Bridge, is a famous bridge in New York City. It crosses the East River and is one of the oldest suspension bridges in the United States. It is the only link between Brooklyn and Manhattan and was once considered the longest suspension bridge in the world, spanning 486.3m. Additionally, it has historical significance as America’s first steel-wire suspension bridge.

John Augustus Roebling, a renowned bridge builder in Pennsylvania and Ohio, was the designer of the Brooklyn Bridge. Unfortunately, he passed away soon after creating the plans. However, his wife, Emily Warren Roebling, preserved his masterpiece and collaborated with engineers. Over the next 11 years, she played a crucial role in overseeing the bridge’s construction. Today, both John and Emily Roebling are esteemed as pioneers of contemporary bridge engineering.

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The bridge’s towers are constructed using limestone, granite, and Rosendale cement. The bridge’s blocks were manufactured in Maine and transported to New York by schooner. Upon its completion in 1883, the suspension/cable-stay hybrid bridge had a length of 5,989 feet and a width of 85 feet. It stood at a height of 41 meters and had a weight of 14,680 tons. On its inaugural day, a remarkable number of 1,800 cars and 150,300 individuals crossed what was then the only means of reaching the opposite side.

There were numerous complications with the bridge. On May 30, 1883, the bridge was on the brink of collapse, leading to a stampede resulting in approximately 27 deaths. In the early 1900s, many cars fell into the East River due to the absence of sturdy and permanent railing, which was promptly addressed. Additionally, the bridge’s aerodynamics were not well understood until the 1950s when it underwent wind tunnel testing. Fortunately, the structure protected many people from winds exceeding 100mph. Surprisingly, waves play a crucial role in bridge construction. Engineers aim to prevent resonance, which occurs when the bridge’s natural vibrating frequency matches an external frequency, such as intense winds. In such cases, ridges of high and low pressure form above and below the bridge, causing severe vertical movements that could result in its collapse. The Tacoma Narrow Bridge Incident in 1940 serves as a tragic illustration of this phenomenon.

Today, the Brooklyn Bridge is a renowned symbol for multiple entities, including New York City, America, and even our entire continent. It has received the designation of the eighth wonder of the world. For a significant period, it held the record as the tallest structure in the Western Hemisphere. Approximately 250,000 individuals traverse the bridge every day, utilizing the pedestrian walkway that John Roebling primarily intended for their pleasure. Furthermore, this bridge forever altered the constantly evolving New York City by establishing a vital link between the densely populated areas of Brooklyn and Manhattan.

Works Cited

The text provides information about the Brooklyn Bridge. It includes a link to the History Channel website and another link to an article about the Tacoma Narrow Bridge Disaster. Additionally, there is a web search suggestion for the Brooklyn Bridge on Google.com.

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