Profiles · Sizes pending
Cementitious — indicative fig. M·32
Fire A1 Non-combustibleEmbodied carbon 0.10kgCO₂e/kg LowCompressive 40-50 MPa at 28 daysMPa StructuralDesign life 50yr
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
01 Physical
Density 2300-2500 kg/m³kg/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
Chemical resistance Good - resistant to mild acids/alkalis pH 5-9
pH tolerance 5-9 standard, 3-11 with special mix
Surface roughness 6-12 μm Ra (off-form finish)µm
02 Mechanical
Tensile strength 3-4 MPaMPa
Compressive strength 40-50 MPa at 28 daysMPa
Flexural strength 4-6 MPaMPa
Shear strength 4-7 MPaMPa
Poisson's ratio 0.15-0.20
Impact resistance Moderate - requires reinforcement
Creep resistance Creep coefficient 2.0-3.0
03 Thermal
Thermal conductivity 1.4-2.0 W/m·KW/m·K
Specific heat 880-920 J/kg·KJ/kg·K
Thermal expansion 10-13 × 10⁻⁶/°C×10⁻⁶/°C
04 Compliance & Fire First question
Combustibility class Non-combustible
Fire resistance level 60-240 minutes (FRL -/60/60 to 240/240/240)
Ignition temp N/A - non-combustible°C
Flame spread index 0
Smoke dev. index 0
Heat release rate 0 kW/m²
05 Sustainability & Health
Embodied carbon 0.10-0.14 kg CO2e/kg
Carbon footprint 250-350 kg CO2e/m³
Embodied energy 1.5-2.0 MJ/kgMJ/kg
Water footprint 150-200 L/m³L/kg
Recyclability 90-100%%
Recycled content 0-30% (fly ash/slag SCM)%
Renewable content 0%%
Circular score 7/10
VOC emissions <2 μg/m³ (A+ rating)
Toxicity rating Non-toxic - inert material
LEED contribution MR credits 2-4 points
06 Durability · Cost · Logistics
Expected lifespan 50-100 years
Maintenance interval 5-10 years inspection
Warranty period 10-20 years structural
Material cost (range) $450-750 per m³
Material cost (per unit) $2000-5000 per column (4-6m)
Lead time 2-8 weeks depending on size/quantity
Lifecycle cost $100-200/m³ over 50 years
Annual maintenance $0-50 per column
Market availability Readily available - multiple suppliers
07 Assessment
Advantages
- 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
Constraints
- Higher initial cost than cast-in-place ($450-750/m³)
- Requires crane access and capacity
- Transportation limitations for oversized elements
- Limited design flexibility after manufacture
- Potential for damage during transport
- Connection detailing complexity
- Lead time for custom designs (4-8 weeks)
- Size limitations due to transport regulations
08 Applications
A1 Multi-storey commercial buildings
A2 Industrial warehouses and factories
A3 Infrastructure projects (bridges, overpasses)
A4 Educational facilities
A5 Healthcare buildings
A6 Residential apartment complexes
A7 Retail structures
A8 Car park structures
A9 Agricultural buildings
A10 Marine structures (with appropriate mix design)
09 Sources & Standards
Sources pending — citations for this material are not yet recorded. Verify all figures against manufacturer data and current standards before specifying.