Bridges Essay examples -- essays research papers

REASEARCH publisher Bridges have been around sense the beginning of time. The Ancient roman letters engineers used two significant innovations, the cofferdam and cement. The cofferdam is when the put woody spikes in to the bottom of the river then used watertight clay oer the spikes to make a bridge. Now today there argon more than efficient ways to make a bridge then equitable out of cement and clay. There are Suspension Bridges, Arch Bridges, cover Bridges and many more. Suspension bridges have become a very common method of bridge construction in the stretch out century. For example the Brooklyn Bridge, George Washington Bridge, Golden Gate Bridge and the Verrazano-Narrows Bridge. These bridges both use the conventional suspension bridge design were large cables are suspended between towers and smaller cables ar...