Your assignment is to prepare and submit a paper on model arch bridge and tha design improvement. Bridges are designed to withstand both live and dead loads. Dead loads are loads that do not change, such as the structure’s weight. These include the sidewalks, deck, railings, and the concrete or steel load-carrying members. Dead loads account for the considerable and significant percentage of stress in load carrying members. The second load, live load, changes. the change can be due to decreased or increased pedestrian and traffic loading. When designing a bridge, safety and strength of the structure are the most important considerations.
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