34-meter Container House

The construction of a 34-meter container house requires a combination of standard specifications and customized designs. Common solutions include combining standard containers or customizing long containers, taking into account structural strength, transportation, installation, and compliance.

I. Combination Solutions for Standard Containers

Standard containers commonly come in lengths of 3 meters, 6 meters, 9 meters, 12 meters, etc. To achieve a 34-meter-long house, multiple standard containers can be combined:

• Combination Method: For example, using five 6-meter containers (total length of 30 meters) plus one 4-meter container (requiring customization or cutting adjustments), or using three 12-meter containers (36 meters) and cutting them down by 2 meters. However, cutting can damage the original structural strength of the containers, necessitating additional reinforcement of the frame (such as adding crossbeams and corner fittings) and re-treating waterproofing and sealing performance.
• Structural Reinforcement: After combination, high-strength bolts or welding should be used to connect the containers, and steel support columns should be added at the joints to ensure overall resistance to deformation. For example, Xi'an Jimei's 3-meter × 6-meter container house can be expanded into a larger space through corner fitting connections, but professional design is required to avoid stress concentration.

II. Customized Long Container Solutions

If a seamless 34-meter length is required, a non-standard long container must be directly customized:

• Material and Process: A light steel frame (such as galvanized square tubes) paired with color steel plates or rock wool sandwich panels is used to ensure both strength and weight reduction. For example, a company in Hebei offers "galvanized light steel prefabricated houses of customizable lengths," where the amount of steel used in the frame must be determined through structural calculations (such as wind load and snow load).
• Transportation and Installation: Oversized containers need to be transported in sections (such as 17 meters each). When assembling on-site, expansion joints (approximately 5-10 centimeters) should be reserved and filled with flexible sealing materials to prevent cracking due to thermal expansion and contraction. Installation requires the use of cranes and ensures a flat foundation (such as concrete pads or steel ground beams).

III. Key Considerations

• Compliance: It must comply with local building codes (such as fire rating and seismic requirements). For example, color steel plates must meet Class A non-combustible standards, and the structure must pass wind pressure tests (such as designing for 12-level typhoons in coastal areas).
• Functional Design: Plan doors, windows, electrical circuits, and water supply and drainage based on the intended use (such as residential or office). For example, complaints arose about the insufficient bed length in container houses at the Nagoya Asian Games, highlighting the need to confirm in advance whether the internal layout complies with ergonomic principles.
• Cost and Cycle: Customized long containers cost approximately 20%-30% more than combined standard containers and have a longer production cycle (requiring 4-6 weeks). If the budget is limited, priority can be given to combining standard containers and optimizing space through interior decoration (such as suspended ceilings and partitions).