Guizhou Concrete Prefabricated House

Guizhou concrete prefabricated houses represent a significant practice in the field of construction industrialization. Through standardized, prefabricated, and green technologies, they effectively adapt to Guizhou's natural conditions characterized by mountainous terrain, limited land, humid climate, and complex topography, addressing challenges such as poor transportation, long construction periods, and labor shortages.

Technical Features

1. Standardization and Prefabrication: Utilizing steel structures or light steel-concrete composite systems, components are prefabricated using high-precision molds, with accuracy errors controlled to within millimeters. On-site wet work is reduced by over 80%. Taking the prefabricated reinforced concrete full-frame shear wall structure as an example, core components such as walls, floors, and beams are integrated with steel reinforcement skeletons, insulation layers, waterproof layers, and pre-installed piping in the factory. The construction period is shortened by over 40% compared to traditional methods, enabling "plug-and-play" installation.
2. Green and High-Performance: Material recyclability exceeds 85%, with factory production scrap recycling rates reaching 95%. Construction sites are free of dust and sewage emissions, with construction waste accounting for only 10% of that from traditional building methods. C30-C40 grade concrete is used, embedded with Φ8-Φ12 steel reinforcement mesh, achieving a compressive strength of 25-30MPa, 1.5 times that of traditional brick-and-mortar structures. Walls are designed with EPS insulation layer slots, improving thermal insulation by 40%, withstanding wind speeds up to Category 10 and seismic fortification intensity of 7 degrees.

Core Advantages

1. Efficiency and Cost: A single 30㎡ module can be prefabricated in the factory in just 7 days, with on-site installation by 3 workers and a crane taking only 4 hours. A 100㎡ house can be fully erected in just 2 days. For a 120㎡ rural self-built house, the cost of a traditional brick-and-mortar structure is approximately 180,000-220,000 yuan, while the cost of the main prefabricated house module is only 120,000-150,000 yuan, reducing overall costs by 30%. If opting for a leasing model, annual rent can be as low as 5,000 yuan per room.
2. Environmental Protection and Health: Formaldehyde emissions are ≤0.05mg/m³, well below the national standard (0.1mg/m³). Environmentally friendly concrete and water-based paints are used, aligning with Guizhou's ecological civilization construction goals.
3. Spatial Flexibility: Standard modules measure 6m×3m×3m and can be horizontally spliced or vertically stacked (up to 3 floors) to achieve flexible floor plans, adapting to the layout demands of mountainous terrain.

Application Scenarios
Widely applied in rural revitalization, tourist homestays, emergency shelters, and mountainous school projects. Local enterprises such as Guizhou Lvzhu Technology Co., Ltd. have intelligent production lines with an annual capacity exceeding 100,000 square meters. Their products have passed national green building material certifications and have been applied in multiple provincial demonstration projects.