Prefabricated Concrete Box House

The prefabricated concrete box house is a form of prefabricated assembled building. Based on digital and modular design, it achieves efficient construction through standardized factory production and rapid on-site assembly.

Technical Features

The prefabricated concrete box house takes digital design as its core. Through computer-based operations, it completes component splitting, pipeline layout, and unit combination simulations, shifting a large amount of traditional on-site work to the factory. Its basic units include prefabricated concrete modules, prefabricated beams, and prefabricated slabs. For example, the E-MIC system independently developed by China Construction First Bureau ensures component precision and quality through standardized production. The factory-based production model not only reduces the complexity of on-site construction but also integrates structural, pipeline, and decoration aspects in advance through integrated design, enhancing the overall performance of the building.

Application Advantages

1. Construction Efficiency: The on-site assembly method significantly shortens the construction period, making it particularly suitable for projects with tight time requirements. For instance, after the E-MIC system is built in the factory, it can be directly assembled on-site, greatly reducing the wet work involved in traditional construction.
2. Environmental Friendliness: Factory-based production reduces the generation of construction waste and lowers noise and dust pollution from on-site construction, aligning with the development trend of green buildings.
3. Flexibility: Modular design makes spatial arrangements more adaptable, meeting the needs of various scenarios such as urban renewal, old community renovations, and temporary buildings. For example, by splitting and transporting large-width modules (such as living room sections), transportation width limitations can be overcome, enabling flexible assembly.

Transportation and Safety

Transportation conditions are an important consideration in the design of prefabricated concrete box houses. To meet large-width requirements, modules are usually split for transportation and then assembled on-site. For example, the patented assembled composite box by Chengdu Construction Engineering Road & Bridge improves shear transfer performance through a plug-and-socket assembly design, ensuring structural safety. Modular buildings undergo rigorous safety verification, with standardized production and precise assembly processes eliminating quality hazards found in traditional construction.

Development Cases

1. Chengdu Construction Engineering Road & Bridge: In 2025, it obtained a patent for the assembled composite box. By optimizing the assembly structure, it enhanced the mechanical performance between modules, providing technical support for high-rise or large-span buildings.
2. China Construction First Bureau: At the 2026 China International Fair for Trade in Services, the E-MIC system showcased by China Construction First Bureau differs from traditional prefabricated buildings by achieving a 'full factory construction + rapid on-site assembly' model, representing the cutting-edge direction of industry technology.