Bridges Essay examples -- essays research papers

REASEARCH PAPER distichs pay been around sense the scratch of time. The Ancient Roman engineers used two significant innovations, the ammunition chest and cement. The cofferdam is when the put wooden spikes in to the bottom of the river then used inviolable clay over the spikes to make a brace. Now today in that respect are more efficient ways to make a bridge then just out of cement and clay. There are abeyance Bridges, Arch Bridges, Covered Bridges and many more. Suspension bridges have become a very common method of bridge social structure in the last century. For example the Brooklyn Bridge, George Washington Bridge, Golden Gate Bridge and the Verrazano-Narrows Bridge. These bridges all use the conventional suspension bridge material body were large cables are suspended between towers and smaller cables ar...