Bridges started in ancient Rome‚ and from that point on‚ the understanding of them spread slowly. Both architectures and engineers helped bridges to become a more advanced structure all over the world throughout the years. In the beginning it was known that to build a bridge was very simple‚ all you really needed was natural resources around you‚ such as tree logs and stone. The purpose of bridges is to provide an easier passage way over any interference that your vehicle can not go through such
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Bridge Instruments Bridge Instruments Various types of bridge circuits are used in instrumentation. They can operate in either deflection mode or null principle. They give very high degree of accuracy. Bridges Instruments are used to measure • Resistance‚ Inductance‚ Capacitance • Purity of components • Impedances and admittances • Physical parameters Bridge Instruments Types of Bridges • • AC Bridge DC Bridge DC Current Bridge Instruments • Wheatstone bridge and
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Signature Bridge The Yamuna Bridge at Wazirabad is an unsymmetrical cable-stayed bridge with a span of 251 meters and length of 675 meters. The bridge’s composite deck carries 8 lanes (4 in each direction). It is about 35 meter wide and is supported by lateral cables spaced at 13.5 meters interval. The height of the steel tower is approximately 150 meters. The area around the bridge will later be developed into a park and the Yamuna River will be widened to lake like dimensions. At the same time
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The Tacoma Narrows bridge of 1940 was a disastrous‚ yet amazing‚ flawed‚ yet stunning structure. The Tacoma narrows bridge travels across the Puget Sound river‚ connecting Tacoma and the Kitsap Peninsula. It was located in Washington State‚ before tragedy struck. The bridge‚ the 3rd longest suspension bridge in the world at the time‚ was designed by a man named Leon Moiseff‚ helped by Elmer Maxwell Hayden‚ Clark Eldridge‚ Frederick Bert Farquharson‚ Lacey V. Murrow‚ and around 225 workers with
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The Brooklyn Bridge (initially known as the "New York and Brooklyn Bridge") links the districts of Manhattan and Brooklyn in New York City . It was built between 1870 and 1883 and‚ at the time of its inauguration‚ it was the largest suspension bridge in the world (1825 meters long‚ and the light between pillars is 486.3 meters)‚ a record of light until 1889 the Forth Bridge is built ‚ with a maximum light of 521 m. It was also the first suspended by steel cables . Since then‚ it has become one of
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Suspension bridges come in two different designs: the suspension bridge‚ recognized by the elongated ’M’ shape‚ and the less-common cable-stayed design‚ which has more of an ’A’ shape. The cable-stayed bridge does not require two towers and four anchorages as does the suspension bridge. Instead‚ the cables are run from the roadway up to a single tower where they are secured. Forces on a cable-stayed bridge A cable-stayed bridge near Savannah‚ Georgia‚ USA A typical cable-stayed bridge is
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Bridge Project Questions 1- History of Bridges In the beginning bridges were very simple structures that were built from easily accessible natural resources- wooden logs‚ stone and dirt. Because of that‚ they had ability only to span very close distances‚ and their structural integrity was not high because mortar was not yet invented and rain slowly but constantly dissolved dirt fillings of the bridge. Revolution in the bridge construction came in Ancient Rome whose engineers found that
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the project is to build a truss that would be able to take a specific amount of downward force remarkably with respect to the weight of the truss itself‚ i.e. to construct a truss that would hold a relatively high efficiency score. And construct the bridge in such a way to as to keep the deflection of the structure at minimal. Introduction First of all‚ what is a truss? In an engineering view‚ a truss is a structure that is made up of series of triangular unit made of straight members that are connected
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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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Case study 7.2 The Tacoma narrows Suspension Bridge. In the Tacoma narrows bridge project the project planning was fairly planned‚ developers and Engineers did not coordinate proper strategies and a scope management for this project‚ even before its inauguration and opening‚ the bridge exhibited strange characteristics that were noticeable right away. I think the only appropriate project planning was the budget that was obtains by the federal
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