Customization of Container Villa Houses
The customization of container villa houses requires comprehensive consideration of factors such as the degree of prefabrication, thermal performance, functional zoning, cost, and safety.
Degree of Prefabrication: The main structure, interior and exterior wall decorations, and piping of container villas are typically prefabricated in factories, with only lifting and joint treatment required on-site. This fully prefabricated approach significantly reduces construction errors, improves spatial squareness, and reduces the need for later modifications. For example, some companies use a combination of galvanized steel frames and rock wool sandwich panels to integrate walls, roofs, and floors into rigid units, achieving millimeter-level precision.
Thermal Performance: Metal containers have high thermal conductivity coefficients, necessitating multi-layer construction to enhance thermal insulation. Common solutions include using galvanized sheets on the outer layer to resist wind and sand, filling 80-100 millimeters of rock wool as the main insulation layer in the middle, and using PVC-coated steel sheets on the inner layer to reduce thermal radiation. Some designs also add an elevated layer at the bottom of the container to block ground cold bridge conduction. However, attention must be paid to the airtightness treatment of door and window sealing strips and joints to prevent local condensation.
Functional Zoning: The fixed dimensions of containers (e.g., 3 meters by 6 meters) force designs to adopt functional overlay strategies. For example, kitchens and bathrooms are compressed to one end of the container to form a wet area, using integrated bathroom technology for waterproofing; living and sleeping areas use convertible furniture (e.g., wall-mounted folding tables, drop-down beds) to switch between day and night functions. However, systematic planning of item storage is necessary, otherwise, the actual usable area may shrink by more than 20%.
Cost and Relocation: The single lifting and transportation cost for a container villa is approximately 15-25 yuan per kilometer. Upon arrival at a new site, only water and electricity connections are needed for use, and the low relocation cost has spurred the 'mobile living' model. However, it should be noted that when the number of disassemblies and assemblies exceeds five times, fatigue damage to connecting bolts may increase the risk of structural deformation by about 15%.
Safety: Modern inhabited containers optimize structural safety through modular design, with costs only 30%-50% of traditional houses. The manufacturing process requires quality assurance through pressure testing, weld imaging, and other inspections, but source control during transportation is still necessary to avoid issues such as incomplete cargo packaging and non-standard sealing.
