Prefabricated Concrete House

Prefabricated concrete houses are a type of pre-cast housing (also known as prefabricated assembled buildings), referring to a form of construction where building components are industrially produced and assembled on-site.

Technical Scope and Component Types

The core technology of prefabricated concrete houses lies in prefabricated concrete structures, with components including prefabricated beams, slabs, walls, columns, and other products. These components are produced through standardized processes in factories, ensuring precise dimensions and stable quality. For example, the Nanjing Jindi Yufang project adopted a prestressed prefabricated concrete assembled integral frame structure system, demonstrating the application capabilities of prefabricated components in complex structures.

Development History and Applications

Prefabricated concrete technology in China began in the 1950s, primarily used for factory and residential construction in its early stages. After the 21st century, with increased production efficiency and environmental protection demands, this technology regained attention. Companies like Vanke Group developed prefabricated shear wall residential structural systems and applied prefabricated frame technology in projects, driving technological upgrades in the industry.

Characteristics of Modular Construction

Modular construction represents a higher level of integration within prefabricated concrete houses. It involves breaking down buildings into independent modules (such as ceilings, floors, plumbing and electrical systems, etc.), which are fully manufactured in factories and then transported to the site for assembly. This approach offers the following advantages:

• Short construction period: On-site work time is significantly reduced, with construction efficiency increased by over 50%.
• Quality control: Factory environments ensure component precision and reduce human errors.
• Energy conservation and environmental protection: On-site wet work is minimized, reducing dust and noise pollution.
• Easy maintenance: Modular design facilitates later inspection, repair, and replacement. However, this model places extremely high demands on industrial infrastructure, requiring a complete technical system, production system, and industrial cluster support.

Price Differences

The prices of prefabricated concrete houses vary depending on the manufacturer and specifications. For example:

• The price of a prefabricated civil house roof slab (steel-framed concrete lightweight slab) from Zhuozhou Penglei Trading Co., Ltd. is 480.0 yuan per piece.
• The price of a reinforced concrete prefabricated house (modular integrated house) from Zhuozhou Yuezhuo Building Materials Trading Department is 450.0 yuan per piece. Price differences mainly stem from materials, dimensions, and functional complexity, allowing consumers to choose products that suit their needs.