While designing pre-fabricated buildings, manufacturing and effective installation techniques should be taken into account. That is, the design of structural parts, utilisation of structural parts and their joints should be installed with minimum use of materials and manpower for manufacture and erection.
In fully pre-fabricated construction, it is the practice to use larger elements while simultaneously reducing the relative mass. This is achieved by using more efficient design, light-weight concrete, synthetic heat insulation and other efficient materials.
At present, pre-fabricated concrete factories not only manufacture structural components but also assemble buildings from fabricated blocks and perform the whole complex of construction work. As pre-fabricated elements grow larger and taller, pre-fabrication makes possible speedier construction.
The erection should involve minimum consumption of labour, time and other means. Effectiveness in erection depends on efficient pre-assembly of structures relatively, equal weights of section unit, high degree of pre-fabrication and accuracy of manufacture, and simplicity of the butt-joints and provision of fastening devices.
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