Pavement/Precast Concrete (Material aspect) Precast Concrete (Material aspect) Sustainable Concrete (Material general) Cement/Natural healing & Self-healing Aggregate/Alkali Silica Reaction/Delayed Ettringite Formation Alkali Silica Reaction/Delayed Ettringite Formation Sustainable Concrete (CCU material) Sustainable Concrete (Material general)/Sustainable Concrete (Material general) Geopolymer・Alkali-activated materials Geopolymer・Alkali-activated materials/New material Construction (material) New material Construction (material) Recycled concrete Recycle/Sustainability (environmental) Special concrete/3D printing 3D printing Repair & Strengthening (material) Repair & Strengthening (material)/Polymer-cement concrete Strength & Mechanical property High‐strength concrete (material)/Mass concrete Fiber Reinforced Concrete (Material aspect) Fiber Reinforced Concrete (Material aspect)/High‐flowable concrete High‐flowable concrete/Construction Construction Durability Fresh concrete Admixture Admixtur/ Light weight concrete Frost damage Frost damage/Combined deterioration Non-destructive Test/Diagnosis (Steel corrosion)/Non-destructive Test/Diagnosis (Damage/Defect) Non-destructive Test・Diagnosis (Damage/Defect) Shrinkage & Creep Shrinkage & Creep/Property general Property general Non-destructive Test・Diagnosis (Material properties/Durability) Fire resistance/ Initial defect Water Penetration/Carbonation Chloride attack Corrosion Corrosion prevention/Chemical Attack

Repair & Strengthening (structural) Bond, Anchorage & Joint Bond, Anchorage & Joint/Slab Precast Concrete (Structural aspect) Precast Concrete (Structural aspect)/Prestressed concrete Structural design & Design method Beam Beam/Columnbeam connection Columnbeam connection Composite & Mixed structure Composite & Mixed structure/Sustainable Concrete (Structural aspect) New material & Construction (structural)/Renewal/Conversion Shear wall Shear wall/Earthquake damage Foundation Foundation/Shear & Torsion Shear & Torsion Fatigue & Impact Fatigue & Impact/ Seismic general/Constitutive equation Assessment of Existing and Deteriorated Structure Seismic performance evaluation Fracture mechanics/Damage Assessment Column Structural analysis Framed structure/Structural Health Monitoring Seismic retrofit Maintenance & Life cycle