mineral / Cementitious / Cast Concrete
Self-Compacting Concrete (SCC) (150mm, 200mm, 250mm, 300mm structural)
Highly flowable concrete with EFNARC slump-flow classes SF1 (550-650 mm), SF2 (660-750 mm), SF3 (760-850 mm).
Atlas code
MIN-CEM-CC-013
At-a-glance signals
Highly flowable concrete with EFNARC slump-flow classes SF1 (550-650 mm), SF2 (660-750 mm), SF3 (760-850 mm).
Overview
Executive summary
Self-compacting concrete (SCC) is a high-flow concrete that spreads under its own weight without vibration, passing through reinforcement while maintaining uniformity.
Best when…
- Eliminates need for mechanical vibration
- Superior surface finish quality
- Reduced labour and equipment costs
- Faster construction cycles
- Improved workplace safety (reduced vibration exposure)
- Enhanced durability through denser microstructure
- Reduced noise pollution on site
- Better encapsulation of reinforcement
- Suitable for complex and congested reinforcement
- Reduced risk of honeycombing and voids
Top advantages
- 01 Eliminates need for mechanical vibration
- 02 Superior surface finish quality
- 03 Reduced labour and equipment costs
- 04 Faster construction cycles
- 05 Improved workplace safety (reduced vibration exposure)
Top limitations
- 01 Higher initial material cost (20-40% premium)
- 02 Requires skilled mix design and quality control
- 03 Sensitive to variations in moisture content
- 04 Limited placement window in hot weather
- 05 Potential for increased shrinkage
Technical
Physical ·9
- Density
- 2500 kg/m3 Typical density for normal-weight concrete classes.
- Specific gravity
- 2.35
- Porosity
- 8 %
- Water absorption
- 4 %
- Hardness
- 6
- UV resistance
- Excellent // No degradation from UV
- Chemical resistance
- Good // pH 6-11 range
- pH tolerance
- 6-11
- Surface roughness
- 2 µm
Mechanical ·7
- Tensile strength
- 2.2-4.1 MPa Tensile strength for normal-weight concrete classes.
- Compressive strength
- 20-50 MPa Typical compressive strength classes for structural concrete.
- Flexural strength
- 5.5 MPa
- Shear strength
- 3 MPa
- Poisson's ratio
- 0.2
- Impact resistance
- Moderate // Similar to conventional
- Creep resistance
- Moderate // Similar to conventional
Sustainability & Health
Embodied carbon & energy ·7
- Embodied carbon
- 0.38
- Carbon footprint
- 380
- Embodied energy
- 1.8 MJ/kg
- Water footprint
- 200 L/kg
- Recycled content
- 30 %
- Renewable content
- 0 %
- Circular score
- 7
Compliance & Fire
Fire performance ·5
- Combustibility class
- Non-combustible // AS 1530.1
- Fire resistance level
- 120
- Flame spread index
- 0
- Smoke dev. index
- 0
- Heat release rate
- 0
Cost & Lifecycle
Capex & lead time ·6
- Material cost (range)
- $350-450/m³ // AUD 2025 prices
- Material cost (per unit)
- $400/m³ // Typical delivered price
- Lead time
- 24-48 hours // With advance notice
- Lifecycle cost
- $12/m²/year // 50-year analysis
- Annual maintenance
- $0.50/m² // Minimal maintenance
- Market availability
- Good in major cities // Limited regional
Service life & durability ·3
- Expected lifespan
- 50-100 years // With proper design
- Maintenance interval
- 5 years // Inspection cycle
- Warranty period
- 10 years // Structural warranty typical
Layer D
Where it's used
Bridge beams and decks with congested reinforcement
Precast and prestressed concrete elements
Architectural concrete requiring superior finish
Tunnel linings and underground structures
Marine structures and waterfront infrastructure
Columns and walls in high-rise construction
Post-tensioned slabs and transfer structures
Repair and strengthening of existing structures
Noise-sensitive urban construction sites
Complex formwork geometries