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  • Construction - Design, Materials, Processes | Britannica
    Construction - Design, Materials, Processes: Buildings, like all economic products, command a range of unit prices based on their cost of production and their value to the consumer In aggregate, the total annual value of building construction in the various national economies is substantial In 1987 in the United States, for example, it was about 10 percent of the gross domestic product, a
  • Empire State Building | Height, Construction, History, Facts - Britannica
    The Empire State Building is a steel-framed skyscraper rising 102 stories that was completed in New York City in 1931 and was the tallest building in the world until 1971 Its height is 1,250 feet (381 meters), not including a television antenna mast It is located in Midtown Manhattan, on Fifth Avenue at 34th Street
  • High-rise building | Design, Construction Safety | Britannica
    High-rise building, multistory building tall enough to require the use of a system of mechanical vertical transportation such as elevators The skyscraper is a very tall high-rise building The first high-rise buildings were constructed in the United States in the 1880s They arose in urban areas
  • Construction - Building Science, Materials, Processes | Britannica
    Construction - Building Science, Materials, Processes: A significant achievement of the first industrial age was the emergence of building science, particularly the elastic theory of structures With it, mathematical models could be used to predict structural performance with considerable accuracy, provided there was adequate quality control of the materials used Although some elements of the
  • Earthquake-resistant construction | Building Techniques Materials . . .
    Earthquake-resistant construction, the fabrication of a building or structure that is able to withstand the sudden ground shaking that is characteristic of earthquakes, thereby minimizing structural damage and human deaths and injuries Suitable construction methods are required to ensure that
  • Concrete | Definition, Composition, Uses, Types, Facts | Britannica
    Concrete, in construction, structural material consisting of a hard, chemically inert particulate substance, known as aggregate (usually sand and gravel), that is bonded together by cement and water Learn more about concrete, including its history and uses
  • building construction - Students | Britannica Kids | Homework Help
    Building tradesmen make up the largest single group of craft workers in the country Mass production methods in housing and construction learned during World War II brought a new era to building construction in the postwar years Builders began using more power tools and equipment
  • Construction - Electrical, Wiring, Systems | Britannica
    Construction - Electrical, Wiring, Systems: Electrical systems in these buildings begin at a step-down transformer provided by the utility company and located within or very close to the building The transformer reduces the standard line potential to two dual voltage systems, which then pass through master switches and electric meters to record the subscriber’s usage Each of the voltages
  • Construction - Roman, Architecture, Engineering | Britannica
    Construction - Roman, Architecture, Engineering: It was from the Etruscans, who lived in the northern part of Italy, that the Romans derived much of their early building technology The Etruscans, probably influenced by a few rare Greek examples in southern Italy, developed the true arch in stone A late specimen of the 3rd century bce is the Porta Marzia, an arched city gateway with a span of





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