Hi I want prefabricated structure PDF file for author Ganesh and latha
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Prefabrication is the practice of assembling components of a structure in a factory or other manufacturing site and transporting complete assemblies or subassemblies to the construction site where the structure is to be located. The term is used to distinguish this process from the more conventional construction practice of transporting the basic materials to the construction site where the entire assembly is carried out.
The term prefabrication also applies to the manufacture of elements other than structures at a fixed site. It is often used when manufacturing a section of a machine or any moving structure moves from the main manufacturing site to another location, and the section is supplied assembled and ready to fit. Generally, it is not used to refer to electrical or electronic components of a machine, or mechanical parts such as pumps, gearboxes and compressors that are normally supplied as separate elements, but to sections of the machine body that in the past were made with The whole machine. The prefabricated parts of the machine body may be referred to as "subassemblies" to distinguish them from the other components.
History
Prefabrication has been used since antiquity. For example, it is claimed that the oldest known engineering road in the world, the sweet track built in England around 3800 BC, employed prefabricated wooden sections brought to the site instead of mounted on the site.
The Sri Lankan kings of ancient Sri Lanka have used the technology of prefabricated buildings to erect giant structures, dating back 2000 years, where sections were prepared separately and then assembled together, especially in the Kingdom of Anuradhapura and Kingdom of Polonnaruwa
In the 19th century Australia a large number of prefabricated houses were imported from the UK. The method was widely used in the construction of prefabricated housing in the twentieth century, as in the United Kingdom as temporary housing for thousands of urban families "bombed" during World War II. The assembly sections at the factories saved time on the site and the lightness of the panels reduced the cost of foundations and on-site assembly. Concrete gray and with flat roofs, prefabricated houses were not isolated and cold and life in a prefab acquired a certain stigma, but some prefabricated London were occupied for much more than 10 years projected.
The glass palace, erected in London in 1851, was a very visible example of the prefabricated construction of iron and glass; It was followed on a smaller scale by the Oxford Rewley Road train station.