Rammed or Prefabricated Brick-Concrete Houses

There are significant differences in construction methods, characteristics, and application scenarios between rammed brick-concrete houses and prefabricated brick-concrete houses.

Rammed Brick-Concrete Houses

Construction Method: This method employs on-site pouring (ramming) techniques, using brick walls as vertical load-bearing structures and reinforced concrete beams and floor slabs as horizontal load-bearing systems. The overall structure is formed by on-site reinforcement binding, formwork erection, and concrete pouring. Characteristics:

• Advantages: Easy access to materials (common building materials such as bricks, sand, gravel, and cement), relatively low cost; strong durability, with the combination of brick walls and concrete effectively resisting natural erosion; superior fire resistance compared to pure wooden structures, meeting civil building safety standards.
• Disadvantages: High self-weight requires high foundation bearing capacity; poor seismic performance, prone to collapse due to brittle failure of brick walls during earthquakes; construction relies on manual wet operations (such as bricklaying and pouring), resulting in high labor intensity and long construction periods. Application Scenarios: Widely used in small and medium-sized low-rise (1-3 floors) and multi-story (4-6 floors) civil buildings (such as residences and schools) and industrial buildings (such as warehouses), particularly suitable for areas with good foundation conditions and low seismic fortification requirements.

Prefabricated Brick-Concrete Houses

Construction Method: This method centers around reinforced concrete prefabricated modules, which are standardized and produced in factories (such as wall panels, floor slabs, and stairs). These modules are transported to the site and assembled using mechanical lifting and splicing, connected by bolts or welding, with reserved interfaces for water and electricity pipelines. Characteristics:

• Advantages: Short construction period (module production and foundation construction are carried out simultaneously), reducing labor costs; factory production ensures uniform component quality and minimizes on-site errors; better environmental performance (reduced wet operations, lower dust and noise pollution).
• Disadvantages: Cracks may appear at module connections due to thermal expansion and contraction or settlement differences, requiring regular maintenance; the overall structural integrity is weaker than that of cast-in-place systems, with seismic performance limited by connection node design; high initial investment (requiring the construction of prefabrication factories or equipment leasing). Application Scenarios: In foreign countries, they are mostly used for temporary housing, post-disaster reconstruction, or low-cost housing projects; in China, due to the similar cost of rural self-built houses and prefabricated houses, and residents' high requirements for structural stability, they are currently mainly used for temporary construction site housing or transitional buildings, with significant growth in export markets (such as Southeast Asia and Africa) (the export growth rate of Chinese prefabricated buildings reached 45% in the first quarter of 2023).