Earthquake Resistant Bridges Jacqueline Stoy 4/24/2013 Geography of Cultural Diversity 3350:275 Tuesday/Thursday 12:05-12:55 Throughout history‚ bridges have been a primary means of transportation. Unfortunately‚ natural disasters have come to destroy such bridges on many occasions. One of the most deadly natural disasters to face the bridges is earthquakes. The movement of the ground causes the supporting beams and columns to twist and collapse‚ often resulting in injury or death for
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Ruby Bridges Reflection Ruby Bridges is an African-American six year old girl who‚ in 1960‚ proved to the non coloured population that she was capable of attending the exact same school as a white child. Ruby was one of the three coloured children selected to get an education through the strict white populated school surrounded by angry protesting parents who were against letting a coloured child into the same school their child was studying in‚ however‚ by attending this school she proved that
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Popsicle-Stick Bridge The goal: to build the strongest possible bridge to take a matchbox car‚ using wooden popsicle sticks. Constraints: The bridge must span a 55cm gap No more than 100 popsicle sticks may be used The sticks may not be cut Only white glue may be used Construction paper may be used for the deck only The test load is applied to a 4cm-wide section at the top of the arch. The test jig looks like this: (Well-built bridges can support over
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John Roebling‚ the creative genius behind the Brooklyn Bridge project‚ had first envisioned it in 1852 after having witnessed the horrible delays caused by the East River choked with ice. However‚ because of suspicions among the public of whether a bridge that would have to be wide enough to allow boats to pass under it and strong enough to sustain the terrible winds and powerful currents of the river was possible‚ the project seemed unrealistic. The winter of 1866/1867‚ which was one of the worst
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Available online at www.sciencedirect.com Computers & Industrial Engineering 54 (2008) 513–525 www.elsevier.com/locate/dsw An integrated AHP–DEA methodology for bridge risk assessment q Ying-Ming Wang a b a‚* ‚ Jun Liu b‚ Taha M.S. Elhag c c Institute of Soft Science‚ Fuzhou University‚ Fuzhou 350002‚ PR China School of Computing and Mathematics‚ Faculty of Engineering‚ University of Ulster at Jordanstown‚ Shore Road‚ Newtownabbey‚ Co. Antrim BT37 0QB‚ Northern Ireland‚ UK
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The Beautiful Tower Bridge in England For the bridge of the same name in Sacramento‚ California‚ see Tower Bridge (California). Tower Bridge (built 1886–1894) is a combined bascule and suspension bridge in London‚ over the River Thames. It is close to the Tower of London‚ from which it takes its name. It has become an iconic symbol of London. The bridge consists of two towers tied together at the upper level by means of two horizontal walkways‚ designed to withstand the horizontal forces exerted
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Pratt Truss Bridge The purpose of this experiment is to study several bridges and build a bridge similar to the one that gave the students the uppermost muse. The students had to research facts about Truss Bridges‚ including its beginnings during the late 1700’s. Early Truss Bridge builders were first to spread its name throughout the United States‚ but the name of Truss Bridges soon cultivated across the world. There were numerous reasons as to why the design of Truss Bridges grew so broad. Firstly
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CHAPTER 1 INTRODUCTION 1.1 Introduction A bridge consists of super structure of steel or reinforced concrete member that is supported on one or more points by cables extending from one or more tower is known as cable stayed bridge. The cable-stayed bridge is one of the most modern bridges. It consists of a continuous strong beam (girder) with one or more pillars or towers (pylons) in the middle Cables stretch diagonally between these pylons and the beam‚ these cables forms intermediate supports
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…5 Causes of failure……………………………………………….………6 Replacement bridge…………………………………….........……….10 Conclusions…………………………………………………………...10 References...........................................................................................11 Abstract (143 words) The Tacoma Narrows bridge was a one of a kind bridge at its time. Starting from its size and ending with the structure of the bridge‚ It was considered to be an outstanding bridge at that time. It looked perfect and flawless as it started
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After reading the article‚ Can we talk? Researcher talks about the role of communication in marriages‚ I cannot relate with Nara Schoenberg understands of self-disclosure in relationships. I have been married for twelve years but together with my husband for seventeen years. We have a wonderful relationship. We take one day of the week for ourselves. Whether it is go to the supermarket or for diner and a movie‚ we spend time together and talk about our hopes and dreams with each other. In this
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