Atlas index
Form · 150–300 mm
Cementitious — indicative fig. M·14

Highly flowable concrete with EFNARC slump-flow classes SF1 (550-650 mm), SF2 (660-750 mm), SF3 (760-850 mm).

01 Physical

Density 2500kg/m3
Specific gravity 2.35
Porosity 8%
Water absorption 4%
Hardness 6
UV resistance Excellent
Chemical resistance Good
pH tolerance 6-11
Surface roughness 2µm

02 Mechanical

Tensile strength 2.2-4.1MPa
Compressive strength 20-50MPa
Flexural strength 5.5MPa
Shear strength 3MPa
Poisson's ratio 0.2
Impact resistance Moderate
Creep resistance Moderate

03 Thermal

Thermal conductivity 1.4W/m·K
Specific heat 1000J/kg·K
Thermal expansion 10×10⁻⁶/°C

04 Compliance & Fire First question

Combustibility class Non-combustible
Fire resistance level 120
Flame spread index 0
Smoke dev. index 0
Heat release rate 0

05 Sustainability & Health

Embodied carbon 0.38
Carbon footprint 380
Embodied energy 1.8MJ/kg
Water footprint 200L/kg
Recyclability 100%
Recycled content 30%
Renewable content 0%
Circular score 7
VOC emissions 0
Toxicity rating Non-toxic
LEED contribution 3

06 Durability · Cost · Logistics

Expected lifespan 50-100 years
Maintenance interval 5 years
Warranty period 10 years
Material cost (range) $350-450/m³
Material cost (per unit) $400/m³
Lead time 24-48 hours
Lifecycle cost $12/m²/year
Annual maintenance $0.50/m²
Market availability Good in major cities

07 Assessment

Advantages

  • 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

Constraints

  • Higher initial material cost (20-40% premium)
  • Requires skilled mix design and quality control
  • Sensitive to variations in moisture content
  • Limited placement window in hot weather
  • Potential for increased shrinkage
  • Higher cement content increases embodied carbon
  • Requires specialised testing equipment
  • Formwork must withstand higher lateral pressures
  • Limited availability in regional areas
  • Longer initial setting time

08 Applications

A1 Bridge beams and decks with congested reinforcement
A2 Precast and prestressed concrete elements
A3 Architectural concrete requiring superior finish
A4 Tunnel linings and underground structures
A5 Marine structures and waterfront infrastructure
A6 Columns and walls in high-rise construction
A7 Post-tensioned slabs and transfer structures
A8 Repair and strengthening of existing structures
A9 Noise-sensitive urban construction sites
A10 Complex formwork geometries

09 Sources & Standards

Sources pending — citations for this material are not yet recorded. Verify all figures against manufacturer data and current standards before specifying.

MATERIALS ATLAS · CL·AD M·14 · data indicative — verify per project