Portal:Bridges
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Template:/box-header Portal:Bridges/Intro Template:/box-footer Lua error in package.lua at line 80: module 'Module:Box-header/colours' not found.  The Hohenzollern Bridge in Cologne, Germany with Cologne Cathedral in the background. Lua error in package.lua at line 80: module 'Module:Box-header/colours' not found. The Trinity Bridge in Saint Petersburg in the morning. |
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Bridge scour is the removal of sediment such as sand and rocks from around bridge abutments or piers. Scour, caused by swiftly moving water, can scoop out scour holes, compromising the integrity of the bridge.
Bridge scour is one of the three main causes of bridge failure. It has been estimated that 60% of all bridge failures result from scour and other hydraulic related causes. It is the most common cause of highway bridge failure in the United States, where 46 of 86 major bridge failures resulted from scour near piers from 1961 to 1976.
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Albert Fink (October 27, 1827 – April 3, 1897) was a German civil engineer. He is best known for his railroad bridge designs, and devising the Fink truss.
Born in Lauterbach, Hesse, Germany, he studied architecture and engineering at the Polytechnic school in Darmstadt, and graduated in 1848. In 1849 he emigrated to the United States. He soon found work with the Baltimore and Ohio Railroad as a draftsman, and became chief office assistant to Benjamin H. Latrobe. In this position he oversaw the design and construction of buildings and bridges. With the construction of the road between Cumberland, Maryland and Wheeling, West Virginia (then in the state of Virginia). Fink supervised much of the design, and oversaw the building of some of the first iron bridges in the nation, including that over the Monongahela River in Fairmont, West Virginia. It was this bridge that first implemented his design of the Fink truss, and was in fact in its time the longest iron railroad bridge. With the completion of this portion of road, the section between Grafton and Parkersburg, West Virginia was commenced, and many of the bridges and tunnels of this route were also supervised by him. He was also during this time a consulting engineer of the Norfolk and Petersburg railway, which was at the time building the bridge at Norfolk, Virginia. He left the Baltimore and Ohio railroad in 1857 to become the assistant of George McLeod, chief engineer of the Louisville and Nashville Railroad. Under them he built numerous bridges, including the Green River Bridge in Kentucky, then the longest iron bridge in the nation, a bridge in Nashville, Tennessee over the Cumberland, and one over the Ohio at Louisville, Kentucky, which at one mile in length was the longest truss bridge of its time.
Bridge types: Arch bridge, Aqueduct[disambiguation needed], Bailey bridge, Bascule bridge, Beam bridge, Box girder bridge, Cable-stayed bridge, Caisson, Cantilever bridge, Cantilever spar cable-stayed bridge, Clapper bridge, Covered bridge, Curling bridge, Drawbridge, Extradosed bridge, Folding bridge, Footbridge, Girder bridge, Inca rope bridge, Jetway, Lattice truss bridge, Log bridge, Mabey Logistic Support Bridge, Moon bridge, Plate girder bridge, Pontoon bridge, Retractable bridge, Self-anchored suspension bridge, Segmental bridge, Side-spar cable-stayed bridge, Simple suspension bridge, Skew arch bridge, Step-stone bridge, Stressed ribbon bridge, Submersible bridge, Suspension bridge, Swing bridge, Tied arch bridge, Tilt bridge, Through arch bridge, Toll bridge, Transporter bridge, Trestle, Truss arch bridge, Truss bridge, Tubular bridge, Vertical lift bridge, Viaduct, Vierendeel bridge, Weigh bridge, Zig-zag bridge
Individual bridges Contoocook Railroad Bridge, Akashi Kaikyo Bridge, Delaware Memorial Bridge, Forth Bridge, Golden Gate Bridge, Huey P. Long Bridge, Humber Bridge, Kintai Bridge, Lake Ponchartrain Causeway, Mike O'Callaghan - Pat Tillman Memorial Bridge, Millau Viaduct, New River Gorge Bridge, Pont de Normandie, Rion-Antirion Bridge, San Francisco - Oakland Bay Bridge (Eastern span replacement), San Mateo – Hayward Bridge, Stonecutters Bridge, Sunshine Skyway Bridge, Tacoma Narrows Bridge, Tsing Ma Bridge, Verrazano-Narrows Bridge(please expand)
