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    Bridges are used around the world to get over a bay of water. There are several different designs that could be used when building bridges such as arc, beam , cable-stayed, truss and suspension bridges. The Golden Gate Bridge is a very well known example of a suspension bridge. It is located in San Francisco, California. Construction began in 1933, in the midst of the Great Depression, and the bridge gave steady jobs to many people during this hard time. It was finished and opened in 1937, officially connecting Marlin County and San Francisco. The reason these types of bridges are called suspension bridges is because of two large cables, held up by two towers, are suspending a roadway. The main cables, made out of steel, extend from one…

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    Truss Bridges

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    Intro; A bridge is a structure that is built over a river, road, or railway to allow people and vehicles to cross from one side to the other. (CambridgeDictionaryOnline.com) Bridges come in many different shapes sizes and designs. However there multiple different categories of bridges ranging from Arch bridge, Truss bridge, Cantilever bridge, Cable-Stayed bridge, Beam bridge and Suspension bridge, All ranging with different designs. All of the different bridge designs are made to withstand a…

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    Discussion: Bridges are affected by both internal and external forces. Internal forces occur within the bridge, through tension, compression, bending, etc. External forces are applied to the outside of the bridge, and can be static or dynamic. The static load of the bridge is the bridge itself, and the weight of its members and components. This is created by the force of gravity pulling on the members of the bridge. The dynamic load moves and changes, such as traffic, people, wind. It is created…

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    Beam Bridges

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    Beam bridges, are also known as girder bridges. They are one of the oldest and most common bridges. They are held up by river banks or piers at both ends. Box girders and trusses can help a beam bridge stay up and be stronger. Highways overpasses are normally beam bridges. The first person to build a beam bridge is not known. Although, the first beam bridges were built in ancient times. Some of the first beam bridges were built in Rome. Some of the most famous beam bridges are the Manchac Swamp…

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    Paper On Bowstring Bridge

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    For our design we have decided to do a bowstring bridge. A bowstring bridge normally are used to carry road and rail traffic. By bowstring bridges being able to use arches it makes it so that the weight of anything crossing the bridge is actually able to go straight down into the bridge instead of dispersing across the entire bridge. This makes sure that the bridge doesn’t have one spot taking on too much weight on the bridge. Bowstring bridges tend to be become stronger over time because the…

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    Post Truss Bridge

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    Bridge Design: Edmond Liu My popsicle bridge is based on a truss design, which is a bridge design held up by a connected structure composed of many smaller pieces. In particular, my bridge is a variation of the Queen Post Truss Bridge, which has two central supporting posts to allow for a greater span allowing for larger contact points. (http://pghbridges.com/basics.htm)…

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    Early Suspension Bridges

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    History From the earliest of times we created bridges. Hunters needed to cross rivers and a fallen tree may come in handy.Early suspension bridge consisted of intertwined forest tendrils In Roman times they built bridges over ravines like Trajan in AD 105 that crosses the Tagus in Spain the bridge was made of granite with two massive arches 110 feet wide and 210 feet tall relative to the water.Every wedge block weighed 8 tons. Slaves organized these blocks through a system of pulleys powered by…

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    many different types of bridges. More specifically, there are many types of truss bridges. One popular truss bridge is the Golden Gate Bridge, which is located in San Francisco, California. This bridge is a Warren deck truss bridge because of the equal size of the diagonals and to contain both tension and compression (Types of bridges) and it has a Suspension, fixed and approach Spans because of the metal braced ribbed deck arch.(Golden Gate Bridge). Some other important features of this bridge…

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    Bridges Types Assessment There are five main types of bridges, these include the truss bridge, the arch bridge, the suspension, the beam bridge and the cable-stayed bridge. Each of these categories has various strengths, weaknesses and defining features and these are listed and clarified in the following report. The Truss Bridge Truss bridges are a reliable, economical and easy-to-build variety of bridges as they use a combination of tension and compression to provide a high level of…

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    beam bridge or known as a girder bridge, is a bridge structure that consists of horizontal beams spanning supported by pillar at each end of the deck. The weight of the beam including the structure itself, plus any load it carries are supported by the downward force into the pillars. The beam bridge works on the principles of compression and tension, where on top of the bridge bends, it undergoes compression and at the bottom it is subjected to a horizontal tension. Therefore, the bridge must be…

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