-What advances in science and technology help solve urban problems?
Skyscrapers, electricity in rail ways,
technology and urban life
- cities in the industrial area expanded outward and upward.
- in 1870 25 cities in america had populations over 50,000 people by 1890 there were 58 cities
SKYSCRAPERS
-Architects became able to build higher buildings because of the invention of the elevator and the development of steel skeletons of the buildings, so it could bare the weight
-Louis Sullivan designed a ten-story building, called Wainwright Building in St. louis
- they built these because of limited space and cost of the ground
-in New york Daniel Burnham desined a 285 foot tower in 1902
ELECTRIC TRANSIT
-As the skyscraper expanded upward the transportation expanded outward.
- before the Cival War horses pulled streetcars acrooss towns on iron rails embedded in the streets.
- Because of electricity it transformed the transportation system.
- In 1888 Richmond Virginia Became the first city to use electricity in transportation, for example trolley cars
-New railroad systems went through the suburbs, New York alone had 100,000 commuters every day.
- A few large cities moved there railways far above ground, and called them elevated trains(el trains). Other cities Like New York moved there Trains Underground and called them subways. These subways and El Trains helped these cities to annex in suburb development.
-ENGENEERING AND URBAN PLANNING
- Steel Cable suspension bridges made the cities closer together.
Comments