Background:
The industrialized building system (IBS) is defined as in which all components of the building are made on the site or in factory according to accurate and specific dimension and shape and then transported to the construction project to be erected .
The development process of industrialized building system is not new in the construction industry. During the Second World War, there was too much destruction in the United Kingdom caused by the armed groups. Consequently, group of engineers were trying to address that damage in a short time with a low cost in order to occupy the homeless people who suffered from that destruction. So, they invented the precast technology and other forms of industrialized construction to overcome the problem of destructed shelters.
In United States, the precast was used for the first time in construction industry in 1930 when it was applied in the construction of prefabricated steel house by General house. In spite of all the efforts they spent to implement it, it was quickly faded due to the high cost and high capital plus the inconsistent local codes. However, it was noted that the usage of the precast increased sharply after
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It allows fast replacing of cast in situ concrete to shape beams, walls, slabs and columns. It is preferred for the wall construction instead of columns and beams due to a lot of repetitive of the same wall components in building wall frame. Its components are widely available in standard sizes and stiffened using built in stiffeners or tie roads to tolerate the concrete pressure when concreting is being done. This system provides a rapid speed of installation, less cost and simplicity in instruments. It also gives excellent accuracy and good interior finishing which ends the need of