Profiles · Sizes pending
Cementitious — indicative fig. M·31
Fire A1 Non-combustibleEmbodied carbon 0.32kgCO₂e/kg LowCompressive 65MPa StructuralDesign life 100yr Durable
High-strength prestressed concrete beams manufactured off-site with pre-tensioned or post-tensioned steel strands, offering superior span capabilities (up to 40m), durability (50-100 year design life), and fire resistance for Australian conditions.
01 Physical
Density 2400kg/m³
Specific gravity 2.4
Porosity 10%
Water absorption 4%
Hardness 6
UV resistance Excellent
Chemical resistance Good to moderate depending on exposure
pH tolerance 6.5 – 11
Surface roughness 5μm
02 Mechanical
Tensile strength 4MPa
Compressive strength 65MPa
Flexural strength 5MPa
Shear strength 3.5MPa
Poisson's ratio 0.2
Impact resistance High
Creep resistance 2
03 Thermal
Thermal conductivity 1.7W/m·K
Specific heat 880J/kg·K
Thermal expansion 10×10⁻⁶/°C
04 Compliance & Fire First question
Combustibility class Non-combustible
Fire resistance level 240minutes
Ignition temp N/A
Flame spread index 0
Smoke dev. index 0
Heat release rate 0kW/m²
05 Sustainability & Health
Embodied carbon 0.32kgCO2e/kg
Carbon footprint 320kgCO2e/m³
Embodied energy 2MJ/kg
Recyclability 100%
Recycled content 25%
Renewable content 0%
Circular score 7/10
VOC emissions 0g/L
Toxicity rating Non-toxic
LEED contribution 4points
06 Durability · Cost · Logistics
Expected lifespan 100years
Maintenance interval 10years
Warranty period 10years
Material cost (range) [object Object] – [object Object]
Material cost (per unit) 600$/m³
Lead time 56days
Lifecycle cost 45$/m²/year
Annual maintenance 0.5%
Market availability Readily available
07 Assessment
Advantages
- Extended span capabilities (up to 40m)
- High load-bearing capacity
- Excellent durability (50-100 year design life)
- Superior fire resistance (up to 4-hour FRL)
- Crack control through prestressing
- Quality factory production
- Rapid on-site installation
- Lower lifecycle costs
- Inherent bushfire resistance (BAL-FZ compliant)
Constraints
- Higher initial cost than cast-in-place
- Transport limitations for large sections
- Crane requirements for installation
- Limited design flexibility once cast
- Specialist design expertise required
- Connection detailing complexity
- Potential for prestress losses over time
08 Applications
A1 Bridge girders and infrastructure
A2 Long-span commercial buildings
A3 Industrial warehouses
A4 Multi-storey car parks
A5 Stadium and grandstand structures
A6 Marine structures and wharves
A7 Railway sleepers and infrastructure
A8 Architectural facades
A9 Post-tensioned floor systems
09 Sources & Standards
Sources pending — citations for this material are not yet recorded. Verify all figures against manufacturer data and current standards before specifying.