Bridge Structures and The Use of Geometry in Their Design What is a bridge? A bridge is a structure providing continuous passage over a body of water‚ roadway‚ or valley. Every bridge looks different from the another. Their bridge structure is different. There are nine types of main bridges. Bridge engineers use a lot of geometry to help them design the different bridges. Without geometry‚ the bridges would not be safe. Bridges have been around for a long time. The earliest bridges
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When people in the United States today hear the term "London Bridge‚" they are most likely to think of one of the most peculiar sights anywhere within the United States that of the London Bridge in Lake Havasu City‚ Arizona. Surrounded by faked-up Tudor buildings and busloads of tourists‚ the large bridge is dwarfed by the majesty of the desert Southwest. The entire enterprise stands as a monument to a deep human appreciation for irony‚ for what else could explain the immense cost and energy that
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Suspension Of all the bridge types in use today‚ the suspension bridge allows for the longest spans. At first glance the suspension and cable-stayed bridges may look similar‚ but they are quite different. Though suspension bridges are leading long span technology today‚ they are in fact a very old form of bridge. Some primitive examples of suspension bridges use vines and ropes for cables. Typical Span Lengths 70m - 1‚000m+ World’s Longest Akashi Kaikyo Bridge‚ Japan Total Length 3‚911m
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Place and Time The Myall creek massacre happened near the Gwydir River‚ in the central New South Wales district of Namoi. It happened on the 10 June‚ 1838 at Myall creek. The Kamilaroi Nation The Weraerai tribe of the Kamilaroi nation were the tribe involved in this conflict. At the Myall creek station there were mainly older men‚ women because several days before the massacre‚ 10 of the most able-bodied men had gone to a station about 24 kilometres away‚ named Newtons on the big River‚ where they
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of Americans‚ the Muscogee Creek Nation has changed tremendously. We no longer dress up in head dresses and make sacrifices‚ but we do try our best to preserve and teach our culture and heritage. Today the Creek Nation is still an organized community with a leader‚ meetings‚ rituals‚ and a language. Creek Indians can be found in many places today‚ and there is no definite way to tell that one is of the creek descent except by their blood. To declare yourself as a creek citizen you must first be
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“BROOKLYN BRIDGE” The Brooklyn Bridge’s construction is one of the great achievements in United States history and helped pave the way for New York City’s rapid expansion in the 19th and 20th centuries. It was an undertaking that required extraordinary effort‚ sacrifice and ingenuity by its designers as well as its builders to complete. Its completion was a feat of engineering that was unmatched in its time: it was the longest suspension bridge – the first to use steel-wire – and dominated the New
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Yesterday‚ the 8 orange team went to the Conodoguinet Creek for class. We went there to see the velocity of objects running down the stream. We got water samples to see what the alkalinity levels were in the creek. Finally‚ the last thing that we did was pick up rocks and brought them to shore to see if there were any macroinvertebrates that were attached to the rock. That is why our class went to the Conodoguinet creek yesterday. When my group went to the first station‚ we were testing the
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railway bridges because it made good use of iron. The Pratt has many variations‚ most with their own unique name. For instance‚ the Baltimore‚ Pennsylvania‚ and the Parker are all based off the Pratt. Pratt Truss How the forces are spread out Here are two diagrams showing how the forces are spread out when the Pratt Truss is under a load. The first shows the load being applied across the entire top of the bridge. The second shows a localized load in the center of the bridge. In both
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The Bridge: Synopsis In 1970‚ Antonello is 22 years old and recently married. He has been working on the Westgate Bridge for almost 2 years and loves his job. Like many of his workmates‚ Antonello is proud of the bridge. He believes it is going to be more spectacular than the Sydney Harbour Bridge‚ that it is going to bring the city together and that they‚ the bridge builders‚ will be remembered for years to come. On the 15th October 1970 the Westgate Bridge collapses during construction and thirty-five
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Myall Creek Massacre on June 10‚ 1838 What is Myall Creek Massacre? Myall Creek massacre (1838) an incident in which‚ in retaliation for an alleged “outrage”‚ White station hands killed 28 Aborigines at Myall Creek in New South Wales‚ Australia. As a result‚ 11 White men were tried for murder. They were acquitted‚ but seven of them were retried‚ found guilty‚ and hanged. There was much public protest. Although prosecution of White people for such an incident was unusual‚ the incident itself was
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