Bridge Design for Prestressed Concrete Box Section
Bridges are defined as structures which are provided a passage over a gap without closing way
beneath. They may be needed for a passage of railway, roadway, footpath and even for carriage of
fluid, bridge site should be so chosen that it gives maximum commercial and social benefits,
efficiency, effectiveness and equality. Bridges are nation's lifelines and backbones in the event of
war. Bridges symbolize ideals and aspirations of humanity. They span barriers that divide, bring
people, communities and nations into closer proximity. They shorten distances, speed transportation
and facilitate commerce. Bridges are symbols of humanity's heroic struggle towards mastery of forces
of nature and these are silent monuments of mankind's indomitable will to attain it.
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