High-Performance Fiber-Reinforced Cementitious Composites

  • High-ductile fiber-reinforced concrete — ECC (Engineered Cementitious Composite)
  • HDFRAAC — High-ductile fiber-reinforced cement-free (alkali-activated) composite
  • UHPC — Ultra-high performance concrete
  • Tensile strain capacity up to 22 % (exceeds steel ductility)
  • Micromechanics-based fiber bridging analysis
  • Fiber distribution evaluation via image processing
  • Tensile behavior simulation
  • Development of special FRCC for infrastructure applications

Self-Healing Composites

  • Crack self-healing phenomenon in green alkali-activated slag-based concrete
  • Mineral-based healing agents and superabsorbent polymers (SAP)
  • Autogenous healing in high-strength ECC
  • Evaluation using modified permeability test methods
  • Self-healing of chloride diffusion resistance and steel corrosion

Key goal: drastically reduce lifecycle maintenance costs for concrete structures.

High-Performance Concrete

  • Self-compacting concrete (rheological control of cementitious materials)
  • Optimal concrete mixture proportioning using artificial intelligence
  • Alkali-activated slag binder properties and carbonation
  • Low-CO₂ geopolymer composites
  • Recycled-fiber-reinforced composites from textile waste

High-Damping Materials

  • Polyurethane-based composite
  • Concrete incorporating polyurethane-coated aggregates
  • Equivalent damping ratio up to 10 % for seismic applications
  • Multifunctional building materials and structural systems

Light-Transmitting Concrete

  • Embedded optical fiber arrays for natural light transmission
  • Architectural applications combining structural and aesthetic functions
  • Optimization of fiber geometry and concrete matrix

Image Processing & AI Techniques

  • Image processing for crack measurement and fiber distribution evaluation
  • Artificial neural networks (ANN) for property prediction
  • Genetic algorithms for mix design optimization
  • Fuzzy logic and machine learning applications
  • AI-assisted concrete surface crack detection

Representative Results

High ductility bending

ECC specimen under extreme bending — tensile strain up to 22 %

Self-healing composite

Self-healing cracks in slag-based composite

High damping concrete

Polyurethane-based high-damping concrete composite