Topic: Movable Bridges
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What is movable bridge?
( ′müv·ə·bəl ′brij ) (civil engineering) A bridge in which either the horizontal or vertical alignment can be readily changed to permit the passage of traffic beneath it. Often called drawbridge (an anachronism). Read More »
Source: http://www.answers.com/topic/movable-bridge
What is the feature of fixed movable bridge?
You can't have a "fixed" "movable" bridge, the two terms are contradictory. Read More »
Source: http://wiki.answers.com/Q/What_is_the_feature_of_fixed_movable_br...
Which is more economical for movable support system and bridge gi...
Definition from China ZZHZ company Movable support system is a kind of construction machinery to install bridge girders by way of cast-in-place with its own formwork, supported by box girder. Bridge girder launcher realizes bridge construct... Read More »
Source: http://wiki.answers.com/Q/Which_is_more_economical_for_movable_su...
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Movable Bridges
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Answers to Other Common Questions
More information please ... perhaps a photo of one? View cameras are on "rails" and can be focused and moved using the rail. Camera only about $1000 ... tripod and lens extra. Some cameras attached to bellows, can be moved using the bellows...
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Source: http://answers.yahoo.com/question/index?qid=20080416220200AAlehAH
Easiest way, and not too expensive: go to a 'hobby shop'. Purchase an "Erector set". they are sold as a kit in 2 or 3 levels. You need the highest level. Comes with diagrams, directions, specific tools for the parts involved, and of course ...
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Source: http://answers.yahoo.com/question/index?qid=20090918061329AAIj5rz
Google People google!.. cant give you enough information for your presentation in here but here are some links. They should have enough info for your presentation. Dont know how much in depth you want, might need a textbook for indepth info...
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Source: http://answers.yahoo.com/question/index?qid=20120331205807AAcsTwT
Movable bridges are generally constructed over waterways where it is impossible or prohibitive to build a fixed bridge high enough for water traffic to pass under it. The most common types of movable bridge are the lifting, bascule, and swi...
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Source: http://answers.encyclopedia.com/question/movable-bridges-110718.h...
The procedures for opening the City's movable bridges are stipulated by United States Coast Guard regulations. While no permits are required for an opening, for most bridges the regulations state that two to four-hour notifications must be ...
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Source: http://www.nyc.gov/html/dot/html/faqs/faqs_bridge.shtml
There are 25 movable bridges in New York City, including two retractile bridges, seven swing bridges, four lift bridges, and twelve bascule (drawbridge) bridges.
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Source: http://www.nyc.gov/html/dot/html/faqs/faqs_bridge.shtml
