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A vertical-lift bridge or just lift bridge is a type of movable bridge in which a span rises vertically while remaining parallel with the deck. The vertical lift offers several benefits over other movable bridges such as the bascule and swing-span bridges. Generally speaking, they cost less to build for longer moveable spans. [1]
Vertical lift bridges in the United States (1 C, 34 P) Pages in category "Vertical lift bridges" The following 11 pages are in this category, out of 11 total.
The 516-foot (157 m) lift span replaced a swing span in 1989 and, with 200 ft (61 m) of clearance underneath when raised, it is one of the highest vertical-lift bridges in the world. [ 21 ] Hawthorne Bridge – A four-lane bridge over the Willamette River in Portland, Oregon , opened in 1910, and the oldest operating vertical-lift bridge in the ...
The Voith Schneider propeller was originally a design for a hydro-electric turbine. [2] Its Austrian inventor, Ernst Schneider, had a chance meeting on a train with a manager at Voith's subsidiary St. Pölten works; this led to the turbine being investigated by Voith's engineers, who discovered that although it was no more efficient than other water turbines, Schneider's design worked well as ...
In civil engineering, clearance refers to the difference between the loading gauge and the structure gauge in the case of railroad cars or trams, or the difference between the size of any vehicle and the width/height of doors, the width/height of an overpass or the diameter of a tunnel as well as the air draft under a bridge, the width of a lock or diameter of a tunnel in the case of watercraft.
Vertical lift bridges in the United States by state or territory (10 C) Pages in category "Vertical lift bridges in the United States" The following 34 pages are in this category, out of 34 total.