John Roebling
they really did build the bridge
The Bessemer process produced the lightweight steel needed to build a suspension bridge.
civil engineers, structural engineers, and architects are the main bridge builders.
An advantage to covered bridges is that they shield traffic from the elements (rain, snow, high winds, ect.). One semi-common disadvantage is that covered bridges tend to burn more easily than other types of bridges.
Steel bridges take a long time to build because of the precision of the work. The pieces have to fit perfectly together, or else the bridge will not be safe.
they really did build the bridge
John Roebling. He first twisted together the strands of steel to use in the building of the Brooklyn Bridge.
The Bessemer process produced the lightweight steel needed to build a suspension bridge.
The Bessemer process produced the lightweight steel needed to build a suspension bridge.
Iron- and steel-casting
strong steel made it possible to build skyscrapers and suspension bridges
Electricity powered homes and factories. How did electricity change Americans' lives?
The Inca people were the first to build a suspension bridge. The date of when they started building them is unknown but it predates 1532.
The Inca people were the first to build a suspension bridge. The date of when they started building them is unknown but it predates 1532.
The Inca people were the first to build a suspension bridge. The date of when they started building them is unknown but it predates 1532.
The Romans used the arch to build large buildings and bridges.
Iron- and steel-casting