Two-Story Foldable Container House

A two-story foldable container house refers to the double-layer stacking of foldable container panel houses, used in scenarios such as construction sites, temporary offices, or residences, and must meet structural, safety, and supporting equipment requirements.

Structural Strength Requirements

1. Foundation Bearing Capacity: The bottom of the lower container must be reinforced, with a foundation bearing capacity of ≥150 kPa, and a concrete垫层 (concrete cushion layer) or steel frame platform should be laid. For example, the products of Shouguang Huameida Steel Structure Engineering Co., Ltd. use a 10-channel steel welded frame that can bear a total weight of approximately 8 tons, including the upper container and its load.
2. Container Connection: The upper and lower layers must be fixed with special locks or bolts, with no fewer than 8 connection points. The patented hinge system of Wuhan Fujuyi Integrated Housing Co., Ltd. can achieve a wind resistance rating of Level 10, ensuring stacking stability.

Safety Specifications

1. Wind and Earthquake Resistance: The total height of double-layer stacking should not exceed 6 meters and must comply with the "Technical Regulations for the Application of Temporary Buildings." Inner Mongolia Laixin Color Steel Structure Co., Ltd. increases the lateral displacement after stacking to within H/200 by adding diagonal bracing structures, enhancing wind and earthquake resistance.
2. Fire Safety Access: A maintenance space of ≥1.2 meters must be reserved between layers, and fire extinguishing equipment should be installed. Some models, such as those from Shanghai Tangcheng Portable House Co., Ltd., are equipped with built-in smoke alarms to strengthen fire warnings.

Supporting Equipment

1. Stair Installation: Fixed stairs that comply with the GB4053 standard must be installed, with a tread depth of ≥280 mm to ensure safe passage for personnel.
2. Electrical Wiring: It is recommended to use flame-retardant conduit for exposed installation to avoid damaging structural integrity by drilling through walls, reducing the risk of electrical fires.

Differences in Application Scenarios

1. Construction Sites: Models with anti-fall nets are preferred, such as the container houses from Tianjin Nuotai Integrated Housing Co., Ltd., to prevent the risk of falling objects from heights.
2. Field Operations: The light steel double-wing foldable houses from Jining Yanchang Steel Structure Engineering Co., Ltd. are recommended, as their pitched roof design effectively prevents snow accumulation, adapting to harsh weather conditions.

Operational Precautions Before stacking, check that the container corner fittings are undamaged to ensure connection reliability;高空作业 (high-altitude operations) are prohibited during typhoon warnings to avoid structural instability caused by strong winds.