The fundamental concept of prefabricated construction stems from early human practices involving the pre-processing of building components and their subsequent on-site assembly. In traditional architecture, various components-such as those made of wood, stone, or brick and tile-were often processed in advance before being transported to the construction site for installation. Traditional timber structures, in particular, featured components like beams, columns, purlins, rafters, and doors and windows that possessed precise dimensions and defined connection interfaces, allowing them to be joined together using techniques such as mortise-and-tenon joints. This approach-breaking a building down into distinct components and then assembling them into a unified whole-bears a resemblance to the core philosophy of modern prefabricated construction.
With advancements in mechanical manufacturing and industrial production technologies, the construction industry gradually adopted standardized and prefabricated production methods. Building components no longer relied solely on on-site processing; instead, they could be mass-produced in factories and then transported to the site for installation. The use of modern materials like steel and concrete, alongside developments in machining, transportation, and heavy lifting technologies, paved the way for the industrialization of construction. Particularly in response to the growing demand for large-scale residential and urban development, the use of prefabricated components to boost construction efficiency and reduce on-site labor has become a key trend in the industry's evolution.
Prefabricated construction has evolved from the simple pre-fabrication of components into a comprehensive building system encompassing standardized design, factory-based production, assembly-oriented construction, and information-based management. Buildings can be divided into various modules and components based on design specifications; these undergo processing and quality inspections in the factory before being transported to the site for assembly. Modern prefabricated construction emphasizes not only speed but also component precision, overall building quality, efficient resource utilization, and ease of future maintenance. In essence, prefabricated construction is a modern building method that has emerged by integrating modern industrial production and construction technologies with the traditional concept of component-based building.