Prefabrication
From Wikipedia, the free encyclopedia
Prefabrication is the practice of manufacturing the parts of an assembly in one location, ready for them to be assembled in another place.
The practice was widely used in the construction of prefabricated housing during the 20th century, providing a product made in factory conditions that would save time on site and, at least in theory, improve quality. However, prefabricated housing and many other items have a certain level of stigma because of the originally flimsy design and low cost. There has been a great improvement in prefabricated housing over the past decades and it is becoming a valid alternative to traditional housing.
Prefabrication also sometimes occurred in ancient times. For example, the world's oldest known engineered roadway, the Sweet Track, was prefabricated in England in the 3800s BC.
Prefabrication is also used for many other types of constructions, because it saves engineering time on construction site, which is often delayed by bad weather. Bridges and avelanche galleries are also sometimes built of prefabricated elements. Pylons of concrete are also in most cases prefabricated. Radio towers for mobile phone services in Germany consist often of multiple prefabricated sections. Modern lattice towers and guyed masts are also assembled of prefabricated elements.
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means to make them in a factory prior to the construction of the structure.
