New Type of Prefabricated Concrete House

The new type of prefabricated concrete house is fully named as the assembled reinforced concrete full-frame shear wall structure house. It adopts the factory prefabrication + on-site assembly process, offering advantages such as high efficiency, cost-effectiveness, and environmental friendliness, making it suitable for various scenarios.

Core Process and Structural Features

The new type of prefabricated concrete house is cast in one piece in a factory using high-precision molds for core components such as walls, floors, beams, and columns. Each module integrates a steel reinforcement framework, insulation layers, waterproof layers, and pre-embedded piping structures, forming flexible 'building blocks'. It uses C30-C40 grade concrete with built-in Φ8-Φ12 steel reinforcement mesh, achieving a compressive strength of 25-30MPa, which is 1.5 times that of traditional brick-and-mortar structures. The walls have reserved slots for EPS insulation layers, which, when inserted on-site, improve thermal insulation by 40%, ensuring warmth in winter and coolness in summer. The modules are connected through pre-stressed bolts and welded steel plates, forming an integrated frame with a wind resistance rating of up to Level 10 and a seismic fortification intensity of Level 7 (equivalent to the destructive force of the Wenchuan earthquake).

Core Advantages

1. High Efficiency: A single 30㎡ module takes only 7 days for factory prefabrication. On-site, three workers with a crane can complete the installation of a single module in 4 hours, and the overall construction of a 100㎡ house takes only 2 days. Case studies in rural Henan show that villas can be built in as fast as 4 hours, and entire buildings can be completed in 2 days.
2. Low Cost: The traditional construction cost for a 120㎡ self-built rural house is approximately 180,000-220,000 yuan, while the cost of the main modules for a concrete house is only 120,000-150,000 yuan, with total expenses controllable within 200,000 yuan, representing a 30% reduction in overall costs. In the rental model, the annual rent can be as low as 5,000 yuan per room, with some regions offering prices as low as 260 yuan/㎡.
3. Green and Environmentally Friendly: Factory production achieves a 95% recycling rate for off-cuts, with no dust or sewage emissions at the construction site, and construction waste is only 10% of that from traditional construction. Environmentally friendly concrete and water-based paints are used, with formaldehyde emissions ≤0.05mg/m³, well below the national standard (0.1mg/m³), enabling 'immediate occupancy upon installation'.
4. Flexible Space: The standard module size is 6m×3m×3m, allowing for free combination of house types through horizontal splicing or vertical stacking (up to 3 floors), meeting the diverse needs of rural self-built houses, cultural and tourism homestays, etc.
5. Longevity and Safety: The all-reinforced concrete structure has a service life of over 70 years, capable of withstanding earthquakes of magnitude 7 or above and typhoons of Level 12, offering significantly superior safety compared to traditional buildings.

Application Scenarios

It is suitable for rural self-built houses, commercial spaces, cultural and tourism projects, as well as temporary residences, construction site offices, dormitories, rural villas, and shops, meeting the dual demands of rapid construction and long-term use.