Framework Container House Design

The design of framework container houses requires comprehensive consideration of structural, connection, material, and scenario adaptability. The core points are as follows:

1. Structural System and Mechanical Design
Framework container houses primarily use steel structures as the load-bearing system, forming a spatial framework through beams and columns. Their advantages include strong earthquake resistance and flexible spatial layout, which can accommodate large spans. Additionally, components are easy to standardize for production, shortening construction periods. Mechanical design should focus on the cross-sectional shapes of steel beams and columns and the construction of joints: cross-sections should be determined based on load calculations, typically using H-section steel or box-section steel, with sections featuring stiffeners enhancing resistance to lifting stresses. Joint design directly affects wind and earthquake resistance; welded connections offer strong integrity but are difficult to modify, making them suitable for long-term fixed locations; bolted connections facilitate reassembly but require regular inspection for loose fasteners, making them suitable for temporary or movable scenarios.

2. Technical Differences in Connection Methods
Welding and bolting are the two primary connection methods for steel structural frameworks. Welded frameworks achieve permanent connections through high-temperature metal fusion, providing good structural integrity. However, welding deformation must be controlled, and later modifications are costly. Bolted connections transfer forces through high-strength bolts, offering easy installation and disassembly but requiring regular maintenance to prevent loosening, making them suitable for scenarios requiring frequent adjustments or relocations. The choice of connection method should be based on the service life, site conditions, and maintenance capabilities.

3. Sandwich Panel Materials and Performance
Sandwich panels are the core material for the enclosure structure of container houses, composed of metal panels (such as galvanized steel or aluminum alloy) and core materials (polyurethane or rock wool). The thickness of the metal panel affects weather resistance, typically ranging from 0.5-1.2mm to balance strength and cost. The density of the core material determines thermal insulation and fire resistance: polyurethane core materials have a low thermal insulation coefficient (K-value) but require a fire rating of at least B1; rock wool core materials can achieve an A-level fire rating but have slightly weaker thermal insulation. Design should consider local climate (such as extreme temperature variations and humidity) and fire safety regulations when selecting core material types and densities.

4. Adaptability Assessment for Application Scenarios
Before design, scenario requirements should be evaluated: door and window openings should avoid main load-bearing components (such as steel beams and columns) to prevent weakening structural strength; joint treatment should prioritize rubber strip sealing, which offers better waterproofing than simple caulking and extends the house's service life; extreme climate impacts should be considered, such as selecting corrosion-resistant metal panels in high-humidity areas, reinforcing joint strength in high-wind areas, and choosing aging-resistant core materials in high-temperature areas. Additionally, scenarios involving frequent lifting should incorporate stiffeners in the cross-sections of steel beams and columns to handle dynamic loads.