Precast concrete column, standard finish (Specified by section size)
Factory-manufactured reinforced concrete structural columns with standard finish, designed to AS3600:2018 specifications for superior quality control and rapid installation in Australian construction projects
Factory-manufactured reinforced concrete structural columns with standard finish, designed to AS3600:2018 specifications for superior quality control and rapid installation in Australian construction projects
Precast concrete columns are structural elements manufactured off-site in controlled factory conditions, reinforced with steel bars or mesh to AS/NZS 4671 standards. These columns are cast in reusable moulds, cured under optimal conditions, and transported to site for crane installation. Designed to comply with AS3600:2018 and AS1379 requirements, they offer consistent quality, reduced on-site construction time, and excellent structural performance suitable for all Australian climate zones (BCA Climate Zones 1-8).
- Superior quality control through factory manufacturing
- Rapid installation (typically one crane lift per column)
- Consistent 40-50 MPa strength achievement
- Excellent fire resistance (FRL up to 240/240/240)
- High durability with 50-100 year design life
- Reduced on-site labour requirements
- Weather-independent manufacturing
- Minimal site storage requirements
- Excellent acoustic performance (STC 45-55)
- Low maintenance requirements
- 01 Superior quality control through factory manufacturing
- 02 Rapid installation (typically one crane lift per column)
- 03 Consistent 40-50 MPa strength achievement
- 04 Excellent fire resistance (FRL up to 240/240/240)
- 05 High durability with 50-100 year design life
- 01 Higher initial cost than cast-in-place ($450-750/m³)
- 02 Requires crane access and capacity
- 03 Transportation limitations for oversized elements
- 04 Limited design flexibility after manufacture
- 05 Potential for damage during transport
- Density
- 2300-2500 kg/m³ kg/m³
- Specific gravity
- 2.3-2.5
- Porosity
- 8-12% %
- Water absorption
- 3-5% by mass %
- Hardness
- 6-7 Mohs scale
- UV resistance
- Excellent - no degradation // Inorganic material
- Chemical resistance
- Good - resistant to mild acids/alkalis pH 5-9 // AS3600 durability
- pH tolerance
- 5-9 standard, 3-11 with special mix
- Surface roughness
- 6-12 μm Ra (off-form finish) µm
- Tensile strength
- 3-4 MPa MPa
- Compressive strength
- 40-50 MPa at 28 days MPa
- Flexural strength
- 4-6 MPa MPa
- Shear strength
- 4-7 MPa MPa
- Poisson's ratio
- 0.15-0.20
- Impact resistance
- Moderate - requires reinforcement // Brittle but reinforced
- Creep resistance
- Creep coefficient 2.0-3.0 // AS3600 long-term values
- Embodied carbon
- 0.10-0.14 kg CO2e/kg // Based on density and mix
- Carbon footprint
- 250-350 kg CO2e/m³ // EPD Australasia data
- Embodied energy
- 1.5-2.0 MJ/kg MJ/kg // Cement Council data
- Water footprint
- 150-200 L/m³ L/kg // Manufacturing water use
- Recycled content
- 0-30% (fly ash/slag SCM) % // Supplementary cementitious materials
- Renewable content
- 0% % // All mineral-based
- Circular score
- 7/10 // High recyclability, long life
- Combustibility class
- Non-combustible // NCC Group A material
- Fire resistance level
- 60-240 minutes (FRL -/60/60 to 240/240/240) // AS3600 Tables
- Ignition temp
- N/A - non-combustible °C // Won't ignite
- Flame spread index
- 0
- Smoke dev. index
- 0
- Heat release rate
- 0 kW/m² // No heat contribution
- Material cost (range)
- $450-750 per m³ // Australian market 2025
- Material cost (per unit)
- $2000-5000 per column (4-6m) // Typical column pricing
- Lead time
- 2-8 weeks depending on size/quantity // Manufacturing schedule
- Lifecycle cost
- $100-200/m³ over 50 years // Including maintenance
- Annual maintenance
- $0-50 per column // Minimal maintenance
- Market availability
- Readily available - multiple suppliers // Australia-wide
- Expected lifespan
- 50-100 years // AS3600 design life
- Maintenance interval
- 5-10 years inspection // Visual inspection cycle
- Warranty period
- 10-20 years structural // Manufacturer warranties