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A platform for research: civil engineering, architecture and urbanism
Port of London's Manchester road bascule bridge
Drawbridge layout reduces structure to separate large components and each is built up in form of closed boxes from prefabricated parts; all parts of superstructure are fabricated from steel to British Standard 2762 and welded throughout; bridge provides 25 ft double land roadway of unrestricted loading with two 7 ft 6 in. footpaths; road surface on main span is curved in elevation to form vertical curve between approach gradients; machinery for operating bridge span and auxiliary mechanisms is of unusual design, and consists of self-contained oil hydraulic pump/motor system; arrangement makes it possible to control output of main pumps by cam mounted on trunnion so that angular speed of span is always related to its inclination.
Port of London's Manchester road bascule bridge
Drawbridge layout reduces structure to separate large components and each is built up in form of closed boxes from prefabricated parts; all parts of superstructure are fabricated from steel to British Standard 2762 and welded throughout; bridge provides 25 ft double land roadway of unrestricted loading with two 7 ft 6 in. footpaths; road surface on main span is curved in elevation to form vertical curve between approach gradients; machinery for operating bridge span and auxiliary mechanisms is of unusual design, and consists of self-contained oil hydraulic pump/motor system; arrangement makes it possible to control output of main pumps by cam mounted on trunnion so that angular speed of span is always related to its inclination.
Port of London's Manchester road bascule bridge
Civ Eng (Lond)
West, R.E. (author)
1968
2 pages
Article (Journal)
English
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